Alcatraz Sharkfest Swim Pretend you're an escaping convict and plunge into this 1.5-mile bay swim from Alcatraz Island to San Francisco's Aquatic Park. Sat. June 28. Registration is $100. For more information, visit EnviroSports.com.
Burlingame Criterium With tight turns and a sprint finish, this fast, challenging bike race for riders at all skill levels through downtown Burlingame begins at 1160 Burlingame Ave. at 7:00 a.m. The kids' ride starts at 10:20 a.m. Sun. June 29. For more info, visit BurlingameCriterium.com. The Criterium has partnered with Ryan's Ride, a charitable cycling event for kids. Proceeds go to the Lance Armstrong Foundation. RyansRide.org.
Double Dipsea Handicap Race This 13.7 mile handicap race through Muir Woods and Mount Tamalpais State Park is extra fun for slower runners, because they get a headstart and the faster folks have to work harder to catch up. Sat. Jun 21. Registration $40 (includes T-shirt) online at DoubleDipsea.com
Folsom Lake Open Water Swim With three different distances — 0.6 mile, 1.2 mile, and 2.4 mile — appealing to newbies as well as triathletes, it's a brisk swim through the open waters (temperature around 70 Fahrenheit) of Folsom Lake, starting at Beals Point in the Folsom Lake Recreation Area. Competitors get awards, raffle prizes, refreshments, and a free T-shirt. Sat. June 28. $35 preregistration, $40 on the day. For more information, visit OnYourMarkEvents.com or CapitolAdventureRacing.com.
Forest of Nisene Parks Marathon/Half Marathon/5K Out-and-back course on a fire road trail in the lofty redwood forest wilderness near Aptos. Registration is $25-$50. Sat. June 7. For more information, visit sctc.runners.net.
Full Moon Paddle Experience the romance and magic of the moonlit Suisun City estuary in a leisurely kayak advanture. The paddle is available for three days every month through the summer — the day before, the day of, and the day after the full moon. June 17-19. Registration is $25. Info and reservations: SunsetBayKayaks.com or 707-429-5925 or 707-365-2436.
Giro di Peninsula Based on Italian giro rides, it's a big day of exercise, free T-shirts, and of course good food at the end. All proceeds go to Bay Area people with developmental disabilities and their families. Four different scenic courses to choose from, ambling through the Portola Valley and Los Altos Hills areas: 100K, 70K, 30K, and a nice flat 30K EZ. (The 100K starts at 6:30 a.m.) Sat. June 28. Registration is $45 single, $75 tandem, youth aged 6 to 14, $20. For more info or to register, visit FestaFoundation.org/giro.html
Gold Nugget Junior Stage Race Three full days of cycling races for kids in six categories and four stages — including the Hornitos Hillclimb, Greeley Hill Road Race, and Bootjack Road Race — across Mariposa and Tuolumne counties. Fri. June 27. Registration $50. Visit VeloPromo.com or call 209-533-4996 for more details.
Lovers Leap Classic Presented by Mountain Adventure Seminars, this all-day (8 a.m.-4 p.m.) climb requires moderate competence and strong belaying skills. Sat. June 21 and Tues. June 24. Registration $175 at MTAdventure.com or call 209-753-6556.
Mount Diablo Hill Climb Contra Costa Cycling Club holds this annual race up Mount Diablo. Sat. June 22. For more details, visit C4Racing.org.
Nike Women's Fitness Festival A 5K run and 5K walk for women in Sacramento; both races are timed. The first 2,000 registrants get cool swag including clothes and $50 worth of coupons. Benefits WEAVE, an anti-domestic violence program. Sun. June 8. For more information, visit WFF.FleetFeetSacramento.com or call 916-448-2321.
Prairie City Race Series Held rain or shine in the Prairie City Off Road Vehicle Park south of Folsom, California's largest weekly mountain-bike race series welcomes riders at every skill level, attracting some 450 at every event. Advance online registration fee is $25 single, $35 tandem for your first race, $10 extra to register at the race on race day. After that initial registration, subsequent races will only set you back $12 single, $15 tandem. Free T-shirts and swag bags are on a first-come, first-served basis. A July barbecue and awards ceremony caps off the season. Wed. June 25. For more information, visit RaceMTBikes.com or call 916-988-0683.
River City Run Located in Old Sacramento and benefiting local sustainable-living projects, this 5K/10K run and kids' fun run is part of World Environment Day. Sun. June 1. Registration is $15-$25. For more information, visit RiverCityRun.org.
Shriners 8K and 5K. A Sacramento-area run-walk that benefits Shriners hospitals. Free live entertainment, pancakes, and tour of local Shriners Hospital for all entrants after the race. Sat. June 21. Registration is $5-$26.For more information, visit FleetFeetSacramento.com or call 916-442-3338.
Sonoma County Hot Air Balloon Classic Meet in Keiser Park in Windsor for a lotta hot air. About thirty balloons launch at 6:30 a.m., with tethered balloon rides afterwards. Two days' worth of festivities include craft vendors, food booths, and a kids' playground. Sat. June 28 and Sun. June 29. Tickets are $5-$8; kids under 6, free. For more info, visit SCHABC.org or call 707-837-1884.
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