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Trail Running Calendar near Alum Rock 2026-2027

Monthly updates for Alum Rock

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Alum Rock for 2026-2027! We've gathered 38 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
22
Su

Horseshoe Lake Half Marathon

Trail Run Half Marathon
Mar
28
Sa

Western Pacific Marathon

Trail Run 5 km 10 km Half Marathon
April 2026
Apr
11
Sa

Lake Chabot Trail Run

Trail Run 2 mi 3 mi ... 26 mi 31 mi
Apr
18
Sa

Badger Cove Half Marathon

Trail Run 5 km 10 km Half Marathon
Apr
18
Sa

Horseshoe Lake Trail Run

Trail Run 2 mi 5 mi ... 26 mi 31 mi
Apr
18
Sa

No Foolin' Foot Race

Trail Run 5 km 10 km 15 km
Apr
18
Sa

Woodside Crossover

Trail Run 10 km Half Marathon 35 km 50 km
May 2026
May
9
Sa

Quicksilver Endurance Runs

Trail Run 50 km 100 km
May
9
Sa

Pathways Run 10K

Trail Run 5 km 10 km
May
10
Su

Trailquake

Trail Run 5 km 10 km Half Marathon
May
16
Sa

Run for Amma

Trail Run 10 km 30 km 50 km
June 2026
Jun
7
Su

Lake Chabot Trail Challenge

Trail Run 3 mi 13 mi
Jun
13
Sa

Henry W. Coe Hunting Hollow 10K

Trail Run 5 km 10 km
Jun
26-29
Fr - Mo

The Rock The Loch Half Marathon

Trail Run 5 km 10 km 13 mi
July 2026
Jul
11
Sa

San Lorenzo River Trail Run

Trail Run 2 mi 6 mi ... 26 mi 50 km
August 2026
Aug
2
Su

Skyline 50k Endurance Run

Trail Run Half Marathon 50 km
Aug
8
Sa

Mount Madonna Challenge

Trail Run 5 km 10 km Half Marathon
Aug
22
Sa

Santa Cruz Trail Run

Trail Run 6 mi 13 mi 18 mi
Aug
30
Su

Crystal Springs Trail Run

Trail Run 2 mi 6 mi ... 26 mi 31 mi
September 2026
Sep
12
Sa

Stevens Creek Striders Reservoir Run

Trail Run 3 mi 7 km 13 mi