Recreation Calendar

Our annual guide to Northern California's summer recreation season.


Alcatraz Sharkfest Swim Put this one on your calendar for 2014; once again, it sold out months ahead of race day. A challenging race for experienced open-water swimmers, the event is limited to eight hundred entrants. Or, swim the exact same 1.5-mile course via swim-only registration at the Escape from the Rock triathlon one month later. Sun., May 19, at Aquatic Park. 7:50 a.m., $125-$150.

Bay to Breakers It’s the 102nd running of the San Francisco spectacle that requires no introduction. The 12K course (just under 7.5 miles) runs from the Embarcadero to the western edge of Golden Gate Park, so make sure your costume is comfortable. Note that race organizers have clamped down on booze, floats, and unregistered runners. Sun., May 19. 7 a.m., $53-$58.

Bishop High Sierra Ultramarathons Race on four-wheel-drive fire roads through the foothills of the eastern Sierra Nevada, with well-stocked aid stations every two to five miles. Distances of 20 miles, 50K, 50 miles, and 100K. Sat., May 18, at the Millpond Recreation Area. 6 a.m., $75-$125.

Davis Double Century A 200-mile, one-day cycling event through the scenic hills and valleys of Yolo, Napa, and Lake counties. Limited to 1,000 riders. Organized by the Davis Bike Club. Sat., May 18, at 203 W. 14th St., Davis. 5:15 a.m., $100.

Folsom’s Run with Nature Now in its 30th year, this family-friendly event features 5K and 10K chip-timed races, a non-competitive 5K walk, and a free half-mile youth run through the Folsom Zoo Sanctuary. Perhaps the biggest attraction of all is a two-mile obstacle course on multiple surfaces, over fences and under barricades, up flights of stairs and down hills, and across logs spanning a mud obstacle. Sat., May 18, at 403 Stafford St., Folsom. 8 a.m., $10-$50.

Full Moon Paddle This romantic, UC Berkeley-sponsored excursion leads participants beyond the Golden Gate in tandem sit-on-top kayaks to watch the sunset and the full moon rise above the East Bay hills. Previous paddling experience recommended; swimming ability required. Fri., May 24, at the UC Aquatic Center at the Berkeley Marina, 122 University Ave. 7 p.m., $35-$45. (Other dates: Sun., June 23; Sun., July 21; and Tue., Aug. 20.) Sunset paddles also available.

Horseshoe Lake Trail Run Organized by Coastal Trail Runs, this race features 5-mile, half-marathon, marathon, and 50K distances along the Bay Area Ridge Trail within Skyline Ridge, Long Ridge, and Russian Ridge Open Space Preserves. Sun., May 19, at Skyline Ridge Open Space Reserve, Palo Alto. 8 a.m., $35-$65.

Morgan Hill Sprint Triathlon Offering all the variety, excitement, and exertion of a full-length triathlon in a reduced distance sprint format, this event features a 3/4-mile swim, a 16-mile ride, and a 5-mile run. Nine registration categories. Relays okay. Limited to seven hundred entrants. Sun., May 19, at Uvas Reservoir, Morgan Hill. 7 a.m., $85-$170.

Ohlone 50K Wilderness Run One of the East Bay’s few ultramarathons, the Ohlone 50K is a 31-mile, point-to-point race on trails and fire roads. It’s full for this year, so plan on 2014. The course traverses the entire Ohlone Wilderness Trail from Fremont to Livermore and passes through Mission Peak, Sunol, Ohlone, and Del Valle regional parks. Followed by a post-race barbecue. Sun., May 19, at Mission Peak Regional Preserve, Fremont. Bus to start at 6:30 a.m., race time 8 a.m., $100.

Orca Alcatraz Challenge Aquathalon & Swim Swimmers flock from around the world to escape Alcatraz by fighting strong currents and frigid water. Swim distance totals 1.5 miles, followed by an optional 7-mile run through the Presidio and across the Golden Gate Bridge. Youth and adult divisions; relay option available. Mon., May 27, at the East Beach of Crissy Field in the Presidio. 8 a.m., $50-$170.

Prairie City Race Series California’s largest weekly mountain bike and cyclocross race event, Prairie City is a ten-race series with hundreds of riders each week and multiple waves. Races occur on Wednesday evenings from April through June; remaining dates include May 22 and 29 and June 5, 12, and 19. At Prairie City State Vehicle Recreation Area outside Folsom. 5:45 p.m., $10-$35.

Run to Play A 5K run/walk and 10K run benefiting the Castro Valley High School Athletic Department. Sun., May 19, at Castro Valley High School. 8 a.m., $30.

Tilden Tough Ten A challenging alternative to Bay to Breakers for runners who prefer trails, views, and smaller crowds. This is also the first race in the popular East Bay Trail Championships Triple Crown series. Limited to three hundred runners. Sun., May 19, at Inspiration Point in Tilden Regional Park. 8 a.m., $15-$35.

Wildcat Half-Marathon, 10K, and 5K Sitting on 2,400 acres north of Tilden Regional Park, Wildcat Canyon Regional Park offers 360-degree views of the Bay Area. For the second time, Brazen Racing is hosting a trail run at the park, with short, medium, and long distances available. Sat., May 18, at 3800 Clark Rd., El Sobrante. 8 a.m., $34-$65.


Alcatraz “Escape from the Rock” Duathlon This 33-year-old San Francisco tradition begins with a 1.5-mile swim through sixty-degree waters from Alcatraz Island to the shore and concludes with a 7-mile run to Fort Point and Aquatic Park. Limited to four hundred participants. Relay option and swim-only registration also available. Sun., June 2, at Aquatic Park. 8:10 a.m., $125-$220.

The Best of the Bay Century The Cherry City Cyclists of San Leandro string together some of the finest cycling roads throughout the East Bay in this epic ride. Sections include Bear Creek Road, Happy Valley, Wildcat Canyon, South Park, Grizzly Peak, and more. Course options allow participants to the make the ride as challenging as they wish, from moderate to extremely challenging. Sat., June 15, at Orinda Community Park. 6 a.m., $70-$80.

Berry Creek Falls Trail Run Named for the 65-foot Berry Creek Falls, located along the course route, this run features a wide range of habitats including grand old redwoods, steep wooded canyons, and dry ridge-tops. Distances of 10K, 15K, and 50K. Sat., June 8, at Big Basin Redwood State Park. 8 a.m., $35-$50.

Big Basin Marathon/50K Follow the popular Skyline to the Sea Trail from the crest of the Santa Cruz Mountains through Big Basin Redwoods State Park to the Pacific Ocean at Waddell Beach. Sun., June 9, at Saratoga Gap, Los Gatos. 9 a.m., $70-$80.

Burlingame Criterium A 0.7-mile bike circuit through downtown Burlingame for cyclists of all levels, with tight turns and a sprint finish. Multiple competitive categories with forty- to sixty-minute durations and cash prizes, plus a free, hour-long kids’ race. Sun., June 23. 7 a.m., $33-$38.

California Sprint Triathlon Stay in the East Bay for this one: a 1/2-mile swim, 14-mile bike ride, and 3.1-mile run at Pleasanton’s Shadow Cliffs Regional Park. Sat., June 29. 8 a.m., $70-$170. Or, the following day, race the California International Triathlon at the same location, featuring a 1.5K swim, 40K bike, and 10K run. 7 a.m., $105-$200.

Canyon Meadow Trail Run This close-to-home race travels along the East Ridge and West Ridge trails in Oakland’s Redwood Regional Park. Five distances to choose from: 5 mile, half-marathon, 30K, marathon, and 50K. Sun., June 2, at 7867 Redwood Rd., Oakland. 8 a.m., $35-$65.

Catfish Open-Water Swim Take your pick of a 2.4-mile adult swim, 500-yard adult and youth swim, 1.2-mile youth (17 and under) swim, or 1.2-mile all-ages swim — all in Morgan Hill’s Chesbro Reservoir. Sat., June 22. 8 a.m., $35-$85.

CitySolve Urban Race San Francisco Teams of two to four solve clues and face challenges while racing around San Francisco. Cash prizes to the top two teams. Sat., June 1, at Sports Basement, 1590 Bryant St. 11:30 a.m., $50-$60 per person.

Crissy Field 6 & 12 Hour A precisely measured, USAT-certified course with each lap around the lagoon measuring 1.061 miles. This is the place to test your limits and to reach your personal record for most distance covered in six or twelve hours. Sat., June 15, at Crissy Field. 8 a.m., $60-$95.

Dick Houston Memorial Woodminster Cross-Country Race The third and final race in the East Bay Trail Championships Triple Crown series. This scenic, nine-mile loop on trails in Oakland’s forested Joaquin Miller Park features plenty of hills and a killer climb known affectionately as “the Woodmonster.” Sun., June 16, in the Pinewood Picnic Area at 3600 Joaquin Miller Rd. 9 a.m., $28.

Dipsea Race Founded in 1905, the oldest trail race in America travels 7.4 gorgeous miles though Stinson Beach, Muir Woods, and Mt. Tamalpais State Park. The field of 1,500, managed with handicapped start times, is already full — so mark your calendar for next year. Sun., June 9, in downtown Mill Valley.

Double Dipsea Handicap Race Run the Dipsea — twice. This highly challenging course has about 4,500 feet of elevation gain. Sat., June 29, at Stinson Beach. 8 a.m., $40-$60.

The Dream Mile An annual outing in ten cities across the country organized to benefit Vibha, a nonprofit that aids underprivileged children in the United States and India. Half-marathon, 5K, and 10K courses are offered, complemented by a carnival with games and activities. Sun., June 2, at Hellyer County Park in San Jose. 7:30 a.m., $20-$65; free for children under twelve.

Du-TOES If you’ve always wanted to do a triathlon, but don’t like to swim, this event is for you: a run/bike, run/bike/run, or run/bike/kayak (your choice). Two kayak course lengths available: two miles or four miles. Relay option available. This is a USAT-sanctioned race. Sat., June 29, at San Pablo Reservoir in Orinda. 8 a.m., $60-$72.

Folsom Lake Open Water Swim Designed as a training swim for multisport competitors and novices alike, this open-water race has 0.6-, 1.2-, and 2.4-mile distances. Wetsuits are allowed, but not needed; Folsom Lake’s water temperature should be in the mid- to upper-seventies. Sat., June 22, at Beals Point, Folsom Lake Recreation Area. 8 a.m., $35-$40.

Folsom Sprint and International Triathlons Hosted by USA Productions in and around Folsom Lake outside Roseville, the sprint features a 1/2-mile swim, 16-mile bike ride, and 3.1-mile run, while the international-length race features a 1.5K swim, 40K ride, and 10K run. Aqua-Bike and relay options available. Sun., June 9, at Nimbus Flat State Park, Folsom. 7 a.m., $85-$200.

Forest of Nisene Marks Marathon A coastal setting naturally cooled by fog leaves runners to focus on the important details: hilly and steep terrain on a mix of roads and single-track trails that course through a beautiful redwood forest. Event also includes 5K and half-marathon courses. Limited to four hundred participants in all three races. Sat., June 1, at Forest of Nisene Marks State Park, Aptos. 8 a.m., $30-$70.

Kaiser Permanente Women’s Fitness Festival Sacramento’s largest all-women’s event, this annual festival features a 5K run and a 5K run/walk. Proceeds benefit WEAVE, which fights domestic violence and sexual assault. Preceded by a fitness festival and expo. Sun, June 2, at the Capitol Mall. 8 a.m., $28-$36.

Lake Chabot Trail Challenge Hosted by the Castro Valley Track Club, this is the second race in the East Bay Triple Crown Trail Championship. It’s a hilly, 13.1-mile run around and above Lake Chabot, offering great scenery and East Bay views. A 5K race is also featured. Sun., June 2, at the Lake Chabot Marina. 8 a.m., $25-$45.

Mt. Diablo Trail Run Easy is a four-letter word at this grueling event in the East Bay’s Mount Diablo State Park. 8K, 25K, and 50K courses begin at the Mitchell Canyon Trailhead in Clayton and traverse the slopes and ridgelines of this rugged mountain; routes are considered highly technical. Sun., June 2. 8:30 a.m., $40-$75.

Nitro Trail Another half-marathon, 10K, and 5K trio presented by the East Bay’s Brazen Racing team. All take place in Point Pinole Regional Shoreline Park, which offers views of the bay, wildflowers, more than one hundred species of birds, and eucalyptus woodlands. Sat., June 1, at 5551 Giant Highway, Pinole. 8:30 a.m., $34-$65.

San Francisco Marathon The only race to run the roadbed of the Golden Gate Bridge (instead of the sidewalks), the San Francisco Marathon features a full marathon, two half-marathons (runners can choose which half), a 5K, and a kids’ run. The full course starts and finishes on the Embarcadero near the Ferry Building and encircles the northern half of the city. New (and crazy) this year: the 52.4-mile double-marathon. Sun., June 16. 5:30 a.m., $25-$145.

San Lorenzo River Trail Run Experience 300-foot-tall, 1,500-year-old redwoods; lush stream canyons; open meadows; pine and oak forests; and chaparral-covered ridges on this race with five distances ranging from 10K to 50K. Sat., June 22, at Harvey West Park, Santa Cruz. 8 a.m., $35-$65.

See Jane Run Alameda Women’s Half-Marathon and 5K A “celebration of women of all sizes, ages, and fitness levels,” this flat race takes place along Alameda’s Bay Trail and offers views of San Francisco and the Bay Bridge. Also includes a kids’ run. Sat., June 8, at Crown Memorial State Beach, Alameda. 8 a.m., $15-$105.

Silicon Valley Triathlon Series Featuring a sprint triathlon (Sat., June 23), a long-course triathlon (Sat., June 23), and an international triathlon (Sun., June 24), this series offers a challenge for everyone. Swims take place in Almaden Lake. Relay option available. At Almaden Lake Park, San Jose. 7 a.m., $100-$250.

Sonoma County Hot Air Balloon Classic Two days of hot-air ballooning, food, crafts, tethered balloon rides, and other fun — including plenty of kid-friendly entertainment. Sat. and Sun., June 15-16, at Keiser Park, 700 Windsor Rd., Windsor. 6:30 a.m., $6-$10; free for kids under six.

Statuto Race Now in its 93rd year, the Statuto Race offers a taste of Italy in San Francisco’s North Beach neighborhood. Hosted by the San Francisco Italian Club, the event features an 8K run and a two-mile walk. Proceeds benefit Stand Up to Cancer. Sun., June 2, at 1630 Stockton St. 9 a.m., $25-$35.

Tahoe Rim Trail 165-Mile Segment Hiking Program Complete the 165-mile Tahoe Rim Trail in manageable segments over the course of the summer, either on Wednesdays or Saturdays. Registration full for this year, so plan for 2014. $425.

Trail Quake 2012 So named because it travels the San Andreas Trail, Trail Quake offers trail racers three distances to choose from: 5K, 10K, and half-marathon. The longer runs ascend peaks offering spectacular views of the South Bay, the Peninsula, and beyond, while all three make use of narrow single-track trails. Sat., June 15, at Sanborn County Park, 16055 Sanborn Rd., Saratoga. 8 a.m., $40-$75.

Tri for Fun Part one of three non-competitive, short-distance triathlons taking place at Shadow Cliffs Regional Park in Pleasanton throughout the summer. Each features a 400-yard swim, an 11-mile bike ride, and a 3.1-mile run. The series is designed for novices, but can also offer great training and time-trial opportunities to experienced triathletes. Relay option available. Sat., June 15. 7 a.m., $65-$188. (Other dates: Sat., July 20, and Sat., Aug. 17.)


Bad Bass Half-Marathon/10K/5K Brazen Racing encourages you to “run like a bad bass at Lake Chabot” at this annual event. The 5K is mostly on paved trails and includes small hills; the 10K and half-marathon spend half their time on dirt and include one major hill. Sat., July 27, at the Lake Chabot Marina. 8 a.m., $34-$65.

The Berkeley Kite Festival Presented by Highline Kites of Berkeley, the annual Berkeley Kite Festival is a one-of-a-kind full-day event for kite aficionados and the curious alike. Includes free kite-making, kite-flying lessons, a Rokkaku battle, and more. Sat. and Sun., July 27-28, at Cesar E. Chavez Park at the Berkeley Marina. 10 a.m., free.

Dirty Dozen and Half-Dozen Endurance Run Do you have what it takes to go for six or twelve hours straight? Test your mettle with this run at Point Pinole Regional Shoreline along a gentle, 3.1-mile loop consisting primarily of dirt fire trails. The race can be done solo or in teams of two or three runners. (Or, opt for the 5K or 10K course.) Sat., July 7. 7 a.m., $33-$95.

Donner Lake Triathlon This triathlon allows participants to swim in the beautiful, clear water of Donner Lake, bike along Highway 40 for spectacular views of the alpine lake, and finally run another course around the lake. Various distances and age classes offered; relay option available. New this year: a half-distance course. A kids’ triathlon is also offered on the preceding day. Sun., July 28, at West End Beach, Donner Lake, Truckee. 7 a.m., $60-$150.

Eppie’s Great Race This “no-swim” triathlon, now in its fortieth year, combines running (5.82 miles), biking (12.5 miles), and paddling (6.35 miles) along the scenic American River Parkway. Multiple age divisions and relay options. Sat., July 20, at Rod Beaudry Dr. and Folsom Blvd., Sacramento. 8 a.m., $30-$190.

Fall River Century Ride through spectacular Northeastern California scenery in a valley situated between Mt. Lassen and Mt. Shasta. Four course options: 200K, 100 mile, 100K, and 25 mile. Preceded by a pancake breakfast and followed by a three-course meal. Sat., July 20, in Fall River Mills. 7 a.m., $30-$60.

Golden Gate Trail Run Beginning at Rodeo Beach, this race offers views from the Marin Headlands of Tiburon, San Francisco, and that famous bridge. Sun., July 14. 8 a.m., $35-$65.

Healdsburg Harvest Century Bicycle Tour An annual tour — not a race! — through the heart of Sonoma County wine country. Three distances available: 60, 30, or 20 miles. Includes two rest stops and a gourmet barbecue lunch. Proceeds benefit the Healdsburg Chamber of Commerce and Visitors Bureau. Sat., July 20. 6:15 a.m., $90-$100.

Hernia Hill at Twisted Oak Visit the small town of Vallecito, located near historic Murphys along Highway 4, for this event featuring a half-marathon, 10K run, and 5K run/walk. Post-race barbecue. Sat., July 6, at 4280 Red Hill Rd., Vallecito. 8 a.m., $35-$45.

Pleasant Hill Firecracker 5K Fun Run This 5K run/walk leads through downtown Pleasant Hill along the same course as the Fourth of July parade, which begins immediately after the race. Runners make three laps around the course. Thu., July 4, at 45 Crescent Dr. 8 a.m., $25-$40; free for children under seven.

Run to the Lake This benefit for Eden Medical Center’s Trauma Center features a 5K run/walk, a 10K run, and a 50-yard kids’ dash. The course heads from Eden Medical Center to Lake Chabot Regional Park and back. Sun., July 7, at 20103 Lake Chabot Rd., Castro Valley. 8 a.m., $11-$30.

Tiburon Triathlon The 23nd running of the Tiburon Triathlon, presented by the Tiburon Fire Department and benefiting the Tiburon Volunteer Firefighters Association, takes place around Belvedere Community Park and features a half-mile swim, a nine-mile bike ride, and a two-mile run. Relay option available. Sun., July 28. 7:30 a.m., $75-$100.

Vineman Full Triathlon Established in 1990, Vineman is the oldest independent Ironman-distance triathlon in the continental United States. It’s also no joke, with a 2.4-mile swim, a 112-mile bike ride, and a 26.2-mile run. Sat., July 27, at Johnson’s Beach, Guerneville. 6:30 a.m., $375-$475.

Vineman Ironman 70.3 Triathlon Consider this the half-Vineman; it includes a 1.2-mile swim, 56-mile ride, and 13.1-mile run through Sonoma County wine country. Limited to 2,300 entrants. No relay option. Sun., July 14, at Johnson’s Beach, Guerneville. 6:30 a.m., $285-315.


Aloha Celebrity Races and Polynesian Festival Designed for novice paddlers, these races, now in their 21st year, offer a chance to discover the excitement of outrigger canoe racing. After the races, visit the Polynesian Festival for a taste of the tropics. Sun., Aug. 18, at the Santa Cruz Wharf. 9 a.m., free.

Angel Island 12K and 25K Circumnavigate Angel Island once — or twice — and enjoy panoramic views of the Golden Gate Bridge, Alcatraz Island, San Francisco, Marin County, and the East Bay. Sat., Aug. 3, at the Tiburon Ferry Dock, 21 Main St., Tiburon. Ferry departs 8 a.m., $55 (includes ferry fee).

Bear Creek Half-Marathon/10K/5K A scenic, hilly race on fire roads and single-track trails throughout Briones Regional Park. All three courses are loops. Organized by East Bay running club Brazen Racing. Sat., Aug. 17, at Bear Creek Staging Area, Bear Creek and Briones rds., Martinez. 7 a.m., $34-$65.

California Kids Triathlon One of the United States’ largest kids’ triathlons, this event is intended for children ages three through eighteen, regardless of athletic ability of prior triathlon experience. The six different courses and distances are designed to be achievable for all athletes and are presented in a non-competitive format. Sun., Aug. 4, at Arroyo Park, 2000 Shasta Dr., Davis. 8 a.m., $25-$60.

Cinderella Trail Run Head to Joaquin Miller Park, one of Oakland’s most beautiful spots, for a 10K, half-marathon, 30K, marathon, or 50K run. Sun., Aug. 18, at Joaquin Miller Park. 8 a.m., $35-$65.

Crystal Springs Trail Run More redwoods, ferns, and vistas from Coastal Trail Runs. Five race distances from 5 miles to 50K. Sat., Aug. 10, at Huddart Park, Woodside. 8:30 a.m., $35-$65.

Dammit Run This annual race, now in its 40th year, starts on the Los Gatos High School track, travels alongside a creek, progresses over a series of wooded hills, and finishes with a downhill descent and another flat. Proceeds benefit Los Gatos High School. Sat., Aug. 10, at 20 High School Ct., Los Gatos. 8:30 a.m., $25-$45.

Folsom Long-Course and International Triathlons The long-distance triathlon (1.2-mile swim, 56-mile bike ride, 13.1-mile run) also includes relay and Aqua-Bike options. The international triathlon (1.5K swim, 40K bike, 10K run) happens the same day. Sun., Aug. 11, at Nimbus Flat State Park. 7 a.m., $105-$225.

The Giant Race For runners, joggers, and fans of the San Francisco Giants. Tackle a half-marathon, 10K, or 5K course, and finish on the field at AT&T Park. Proceeds benefit Project Open Hand. Sun., Aug. 4. 7 a.m., $25-$105.

Golden Gate Park Cross-Country 5K Another race sponsored by San Francisco’s Dolphin South End Running Club, this one starts and ends on the Polo Field’s upper dirt track. Kids’ run at 9:45 a.m. Sun., Aug. 25. 9 a.m., $3-$5.

Golden Gate Sharkfest Swim This new addition to the Sharkfest series, now in its third year, challenges participants to a 1.6-mile swim from the south tower of the bridge to East Fort Baker at Horseshoe Cove in Sausalito. Sat., Aug. 31, at Horseshoe Cove. 9:45 a.m., $125.

Lake Tahoe Sharkfest Swim Sharks in Lake Tahoe? Nope. But this one-mile open-water swim will still put you to the test. Junior and adult divisions. Sun., Aug. 25, at Sand Harbor State Park, Lake Tahoe. 8:30 a.m., $30-$50.

Marin Century and Mt. Tam Double Ride the 106-mile Marin Century, the 95-mile Mt. Tam Century, or the Mt. Tam Double (yep, that’s two hundred miles). None of the events are considered races, and there will be no winners named. Sponsored by the Marin Cyclists bike club. Sat., Aug. 3, at 50 Nova Albion Way, San Rafael. 8 a.m., $35-$105.

Mt. Shasta Summit Century Bike Ride Organizers promise challenging climbs, breathtaking views, lightly traveled rural roads, and a cloverleaf route. Distances include 30 miles, 60 miles, 100 miles, and a “super century” at 139 miles and 16,500 feet of elevation gain. Sun., Aug. 4, at Mt. Shasta City Park, 1315 Nixon Rd. 5:30 a.m., $40-$80.

Presidio Cross-Country 5K Organized by the Dolphin South End Runners, San Francisco’s oldest running club. Sun., Aug. 4, at Julius Kahn Park, West Pacific Ave. at Maple St. 9 a.m., $3-$5; free for kids under ten.

Race Thru the Redwoods 10K Run 6.2 miles through the redwoods of Henry Cowell State Park in Felton. There’s also a one-mile kids’ fun run, preceded by a pancake breakfast. Limited to seven hundred entrants. Sun., Aug. 18. 8:10 a.m., $15-$30.

San Francisco 50 & 100 Mile Endurance Runs Run one or two laps on a 25-mile loop through the Marin Headlands. Sat., Aug. 3, at Rodeo Beach, Golden Gate National Recreation Area. 7 a.m., $90-$200.

Skyline 50K Endurance Run This scenic and moderately hilly loop course travels through East Bay regional parks from Lake Chabot Marina to Skyline Gate in the Oakland hills and returns along the Skyline National Recreation Trail — with plenty of single-track trails and ridgeline running. Sun., Aug. 11, at the Lake Chabot Marina. 7 a.m., $80-$90.

Summer Breeze Take your pick: half-marathon, 10K, or 5K — all of which are flat, fast, and scenic, and travel along the bay shoreline in San Leandro and Hayward. Sat., Aug. 3, at San Leandro Marina Park. 8 a.m., $34-$65.


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