CALENDAR OF EVENTS

Ready for a true test of endurance? Mammoth 50K PedalPalooza delivers a demanding cross-country MTB race in alpine terrain.

Donner Lake Alpine Swim • July 26, 2026 • Truckee, CA The Donner Lake Alpine Swim brings open-water swimmers to the clear, mountain-fed waters of Donner Lake for a scenic race morning in Truckee. With multiple distance options (including 1/2 mile, 1.2 miles, and 2.4 miles), it’s a solid pick...

Badwater 135 — “The World’s Toughest Foot Race” Badwater 135 Ultramarathon • July 27–29, 2026 • Death Valley Basin to Whitney Portal (Furnace Creek/Lone Pine), CA Badwater 135: Covering 135 miles (217km) non-stop from Death Valley to Mt. Whitney, CA, the Badwater® 135 is the most demanding and extreme running...

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...

Ready for Downieville Classic? Ride epic trails, race downhill, and enjoy a vibrant MTB festival in California.

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...

Tri Santa Cruz: Sprint and International Triathlons Tri Santa Cruz Date: August 9, 2026 Location: 119 Center Street, Santa Cruz, CA 95060 Registration & Details: Official Website Participants can enjoy a sheltered swim, followed by a flat bike and run course along the scenic coastline, making it ideal for both...

Ready for an unforgettable race? Join Tri Santa Cruz 2025 on August 10 for a scenic, flat-course triathlon along the iconic California coast!

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...

Run With the Horses Marathon • August 15, 2026 • Green River, Wyoming The Run With the Horses Marathon offers runners a one-of-a-kind high-desert racing experience through the scenic landscapes surrounding Green River, Wyoming. Participants can choose from a marathon, half marathon, 10K, or 5K while taking in sweeping mountain...

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...