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Trail Running Calendar near Pleasanton 2026-2027

Monthly updates for Pleasanton

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

Explore the top trail runs near Pleasanton for 2026-2027! We've gathered 44 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
15
Sa

Redwood (Summer) Trail Run

Trail Run 5 mi Half Marathon ... Marathon 50 km
Aug
30
Su

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
September 2026
Sep
6
Su

Diablo Trail Run

Trail Run 4 mi 10 mi ... 26 mi 50 km
Sep
12
Sa

Berkeley Trail Adventure

Trail Run 10 km Half Marathon 35 km 50 km
Sep
12
Sa

Stevens Creek Striders Reservoir Run

Trail Run 3 mi 7 km 13 mi
Sep
19
Sa

Rocky Ridge Trail Half Marathon

Trail Run 5 km 10 km Half Marathon
Sep
26
Sa

Dick Collins Firetrails

Trail Run Marathon 50 mi 100 km
Sep
27
Su

Spartan Trail - San Jose Trail Challenge

Trail Run 10 km Half Marathon 50 km
October 2026
Oct
17
Sa

Diablo Summit Stomp

Trail Run 5 km 10 km Half Marathon 30 km
Oct
31
Sa

Zombierunner Halloween

Trail Run 5 km 10 km Half Marathon Marathon
November 2026
Nov
1
Su

Oakland Tech 5km Fundraiser Race

Trail Run 5 km
Nov
7
Sa

Mermaid Trail Run - Woodside

Trail Run 3 mi 6 mi ... 13 mi 6 hr
Nov
7
Sa

Lake Chabot Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Nov
14
Sa

Zombierunner Quarry Lakes

Trail Run 5 km 10 km Half Marathon
Nov
26
Th

Zoom Turkey Trot

Trail Run 5 km 10 km Half Marathon
Nov
28
Sa

Quarry Turkey Half Marathon

Trail Run 5 km 10 km Half Marathon
December 2026
Dec
5
Sa

Calero Trail Run - Winter

Trail Run 5 km 10 km ... Marathon 50 km
Dec
12
Sa

Summit Rock Half Marathon

Trail Run 5 km 10 km Half Marathon
Dec
31
Th

Brazen New Year's Eve

Trail Run 5 km 10 km Half Marathon
January 2027
Jan
1
Fr

Brazen New Year's Day

Trail Run 5 km 10 km Half Marathon