All Events

Truckee Half Marathon | Truckee 5K • Saturday, August 1, 2026 • Truckee, California Description: The ninth annual Truckee Half Marathon & Truckee 5K invites runners to experience one of Northern California’s most scenic mountain race weekends. Set in the heart of Historic Downtown Truckee, both race distances start and...

Have you ever seen dogs surf waves? The World Dog Surfing Championships return to Pacifica with fun, competition, and canine stars.

Tour de Big Bear • July 31 – August 2, 2026 • Big Bear Lake, CA LEARN MORE HERE Join us for Southern California’s favorite ride – the Tour de Big Bear! Tour de Big Bear is Southern California’s premier mountain cycling festival, set amid the scenic San Bernardino Mountains...

Gear up for an unforgettable adventure at the Marlette 50K, an iconic trail running event set against the breathtaking backdrop of Lake Tahoe

Hermosa Beach Triathlon • August 9, 2026 • Hermosa Beach The Hermosa Beach Triathlon is a scenic, beginner-friendly sprint event set against the iconic Southern California coastline, perfect for triathletes of all experience levels. The course features a thrilling ¼-mile ocean swim in the Pacific, followed by a 10-mile bike...

Looking for an epic race? Discover the June Lake Triathlon California’s stunning mountain triathlon set in the Eastern Sierra.

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 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...

Join the ultimate adventure at the Lake Tahoe Triathlon, where you will swim, bike, and run amidst breathtaking scenery. Register now.

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!

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...

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.

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 • 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 September 26–October 3, 2026 • San Francisco to Los Angeles The California Coast Classic Bike Tour is the Arthritis Foundation’s flagship, fully supported, multi-day cycling adventure—covering 525 miles over eight days from San Francisco to Los Angeles along iconic Highway 1. Riders experience big coastal...

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...

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,...

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 & 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 • 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...