June Lake Triathlon
Looking for an epic race? Discover the June Lake Triathlon California’s stunning mountain triathlon set in the Eastern Sierra.
08/15/2026
Monterey Dirt Fondo
Dirt Fondo • August 15, 2026 • Marin Headlands / Sausalito, CA The annual Dirt Fondo is a celebrated off-road cycling adventure hosted by Marin County Bicycle Coalition, tracing classic singletrack, fire roads, and paved sections through the legendary terrain of the Marin Headlands and Mt. Tamalpais. Riders can choose...
Dirty 30
Dirty 30 Mountain Bike Race August 23, 2026 • Valley of the Moon (Santa Rosa), CA The Dirty 30 XL Fondo is a mixed-terrain MTB and drop-bar challenge built around a spectator-friendly figure-8 course on the scenic north shore of Lake Hodges. Riders can choose a single 30-mile lap or...
Lake Tahoe Triathlon: The Ultimate Adventure
Join the ultimate adventure at the Lake Tahoe Triathlon, where you will swim, bike, and run amidst breathtaking scenery. Register now.
08/29/2026 - 08/30/2026
Lake Tahoe Open Water Swim
Looking for an adventure that combines the beauty of nature with the thrill of physical activity? Look no further than Lake Tahoe Open Water Swim!
Mountains to Meadows Endurofest
Ready for Mountains to Meadows Endurofest? Ride epic trails, race hard, and enjoy music, camping, and festival vibes in Lost Sierra.
Grinduro
Grinduro California • September 12, 2026 • Quincy, CA Grinduro California blends the best parts of gravel riding and mountain bike enduro into a one-of-a-kind cycling festival in the scenic Lost Sierra foothills of Quincy. Riders take on a mixed-surface course with multiple timed segments on dirt, gravel, and flowy...
Race the Rails
Cyclists race alongside a historic steam locomotive during the Race the Rails cycling event in Ely, Nevada, showcasing a unique road and mountain bike challenge against a moving train.
Mammoth TUFF Gravel Adventure
Discover the thrill of Mammoth TUFF Gravel Event and Adventure Festival. Experience diverse terrain, push your limits, and connect with fellow biking enthusiasts.
Monterey Bay Half Marathon
Monterey Bay Half Marathon • September 19, 2026 • Marina/Seaside, CA The Monterey Bay Half Marathon delivers a scenic seaside running experience along the Monterey Bay Coastal Recreation Trail—perfect for runners chasing a personal best or a memorable fall race. The largely flat, bike-path course takes participants past beaches, through...
California Coast Classic Bike Tour
Ready for the California Coast Classic Bike Tour? Ride 525 miles from San Francisco to LA for a cause. Register now!
Tour de Cure
Ready to ride for a cause? Join Tour de Cure Northern California and support diabetes research with every mile.
Rock ‘n’ Roll San Jose
Rock ’n’ Roll Running Series San Jose • October 3–4, 2026 • San Jose, CA Learn More Half Marathon • 10K • 5K • KiDS ROCK Description:Rock ’n’ Roll San Jose turns downtown into a high-energy running block party, pairing a fast, flat course with live music, hype squads, and...
San Diego Triathlon Challenge
The San Diego Triathlon Challenge Weekend is CAF’s flagship inclusive sports and fundraising weekend, bringing together athletes of all abilities for triathlon events and community participation opportunities. The weekend features multiple ways to participate—including the signature triathlon (1-mile swim / 30-mile bike / 8-mile run), a 5K Walk + Roll,...
10/25/2026
Pacific Grove Lighthouse 5K
Looking for a scenic fall race? The Pacific Grove Lighthouse 5K offers a fast coastal course with stunning Monterey Bay views.
Rio Del Lago 100 Mile Endurance Run
Rio Del Lago 100 Mile & 50K Endurance Runs • November 7, 2026 • Granite Bay, CA Folsom to Auburn and Back • Learn More The Rio Del Lago Endurance Runs are iconic trail ultramarathon events in the Sierra Nevada foothills, featuring both a legendary 100-mile course and a challenging...
Run Santa Cruz
Run Santa Cruz • November 7, 2026 • Santa Cruz, CA Learn More Here Run Santa Cruz is a vibrant fall running event that invites participants to enjoy beautiful Northern California coastal scenery along a scenic course that typically showcases seaside views, local parks, and community neighborhoods. With options that...
Turkey Trot LA
Turkey Trot Los Angeles • November 26, 2026 • Los Angeles, CA Turkey Trot Los Angeles is one of the West Coast’s largest and most festive holiday running events, bringing tens of thousands of participants together on Thanksgiving morning for a fun, family-friendly 5K and 10K. The course rolls through...
Turkey Trot Los Angeles
Turkey Trot Los Angeles Turkey Trot Los Angeles • November 26, 2026 Turkey Trot Los Angeles is a Thanksgiving morning run/walk through Downtown LA, offering a festive way to start the holiday with family and friends. Participants run past iconic landmarks—including the Walt Disney Concert Hall—before finishing at Grand Park...
E-DIRTY CROSS
E-Dirty Cross E-MTB Race • December 5–6, 2026 • Escondido, CA The E-Dirty Cross E-MTB Race brings high-energy electric mountain bike competition to the Quick n’ Dirty race series with a unique cross-style course that blends singletrack, fire roads, and technical features around scenic Lake Hodges. Limited to Class-1 pedal-assist...

