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Trail Running Calendar near San Rafael 2025-2026

Explore the top trail runs near San Rafael for 2025-2026! We've gathered 91 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
2
Saturday

Miwok 100K

Trail Run 100 km
May
3
Sunday

Aztec Run

5 km
May
9
Saturday

Muir Woods Marathon

Trail Run 7 mi Half Marathon Marathon
May
16
Saturday

Napa Wilderness Trail Runs

Trail Run 10 km Half Marathon 30 km 50 km
May
16
Saturday

Rim Rock 50 Mile Trail Challenge

Trail Run 50 mi
May
16
Saturday

Wildcat Half Marathon

Trail Run 5 km 10 km Half Marathon
May
30
Saturday

Nitro Trail

Trail Run 5 km 10 km Half Marathon
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
Jun
28
Sunday

Mare Island Half Marathon

5 km 10 km Half Marathon
July 2026
Jul
18-19
Sa - Su

Napa to Sonoma Half Marathon

5 km Half Marathon
August 2026
Aug
22
Saturday

We Run Oakland: For Our Children

5 km
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