Trail Running calendar near San Jose 2026-2027

Run the 39th Ruth Anderson Memorial Endurance Run on October 10, 2026 in San Francisco. Choose 100 km, 50 miles, or 50 km on a scenic paved loop around Lake Merced with chip timing and certified 50K and 50 mile courses.

Join ZombieRunner Halloween at Hellyer County Park in San Jose on Oct 31 for races from kids dashes to a USATF certified half and marathon. Scenic Coyote Creek trails, festive costumes, shirts and finisher medals make it a fun holiday run.

Enjoy a scenic but hilly trail run at Huddart Park with distances from 3 mile to half marathon, plus a 6 hour challenge and youth dash. Stay for pancakes after the race and choose a virtual option for 5K, 10K or half marathon.

Celebrate Thanksgiving at the Zoom Turkey Trot in Hellyer County Park, San Jose with family friendly distances from a free kids dash to a USATF certified half marathon. Park entry is included and every finisher earns a medal.

Join the festive Krampus Cross Country in San Francisco with live and virtual options Dec 4 to 7 and the in person race on Dec 6. Pick 5K, 10K or the Naughty Nine Miler and take home a woodallion, tee and beer sampler stein.