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Trail Running Calendar near Concord 2025-2026

Explore the top trail runs near Concord for 2025-2026! We've gathered 40 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
13-16
Fr - Mo

The Rattlesnake Ramble

Trail Run 5 km 10 km Half Marathon
Mar
14
Saturday

Marin Ultra Challenge

Trail Run 31 mi 50 mi
Mar
20-22
Fr - Su

The Big Alta

Trail Run 28 km 50 km 100 km
Mar
21
Saturday

Redwood (Spring) Trail Run

Trail Run 5 km 5 mi ... Marathon 50 km
Mar
28
Saturday

Western Pacific Marathon

Trail Run 5 km 10 km Half Marathon
April 2026
Apr
4
Saturday

Golden Gate Headlands Marathon

Trail Run 10 km Half Marathon Marathon
Apr
4
Saturday

Diablo Trails Challenge

Trail Run 5 km 10 km Half Marathon 50 km
Apr
11
Saturday

Romancing the Island Half Marathon

Trail Run 10 km Half Marathon
Apr
18
Saturday

Badger Cove Half Marathon

Trail Run 5 km 10 km Half Marathon
Apr
25
Saturday

Mt. Tam Wild Boar Half Marathon

Trail Run 10 km Half Marathon
May 2026
May
9
Saturday

Grizzly Peak Trail Run

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

Cinderella Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
June 2026
Jun
6
Saturday

Bay Area 100

Trail Run 100 mi
Jun
7
Sunday

Lake Chabot Trail Challenge

Trail Run 5 km Half Marathon
August 2026
Aug
2
Sunday

Skyline 50k Endurance Run

Trail Run 50 km
September 2026
Sep
26
Saturday

Dick Collins Firetrails

Trail Run 30 km Marathon 50 mi 100 km
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