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Trail Running Calendar near East San Mateo 2025-2026

Explore the top trail runs near East San Mateo for 2025-2026! We've gathered 48 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
30
Sa

Nitro Trail
Trail Run 5 km 10 km Half Marathon
May
30
Sa

Cinderella Trail Run
Trail Run 8 km Half Marathon ... Marathon 50 km
June 2026
Jun
7
Su

Lake Chabot Trail Challenge
Trail Run 5 km Half Marathon
Jun
13
Sa

Bay Area 100
Trail Run 100 mi
August 2026
Aug
2
Su

Skyline 50k Endurance Run
Trail Run 50 km
Aug
15
Sa

Redwood (Summer) Trail Run
Trail Run 5 mi Half Marathon ... Marathon 50 km
September 2026
Sep
26
Sa

Dick Collins Firetrails
Trail Run Marathon 50 mi 100 km
October 2026
Oct
10
Sa

Ruth Anderson Memorial Endurance Run
Trail Run 50 km 50 mi 100 km