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Running Calendar near Mill Valley 2026-2027

Monthly updates for Mill Valley

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

Explore the top running races near Mill Valley for 2026-2027! We've gathered 78 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
11
Su

Hot Chocolate Run – San Francisco

5 km 10 km 15 km
Jan
17
Sa

The Best Races - San Francisco

5 km 10 km 13 mi
Jan
24
Sa

Pacifica Foothills Trail Run

Trail Run 6 mi 13 mi 19 mi
Jan
24-25
Sa - Su

Golden Gate Trail Classic

Trail Run 15 km 25 km 50 km 50 mi
Jan
25
Su

Pleasant Hill Hawks 5K

5 km
Jan
31
Sa

Go Wild MTZ 4 Hr

Backyard Ultra 2 hr 4 hr
February 2026
Feb
7
Sa

Golden Gate Trail Run

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

Bay Breeze - San Leandro

Trail Run 5 km 10 km Half Marathon
Feb
14
Sa

Stanford Treeathlon

Triathlon
Feb
14
Sa

Stanford Draft Legal Triathlon

Triathlon
Feb
14
Sa

Left My Heart in S.F.

5 km 2 hr
Feb
21
Sa

Redtail Ridge

Trail Run 5 km 10 km ... 30 km 50 km
Feb
21
Sa

Montara Mountain Trail Run

Trail Run 10 km 13 mi ... 26 mi 50 km
Feb
21
Sa

Wild Goose Chase Lime Ridge 10K

Trail Run 5 km 10 km
Feb
28
Sa

Victory

5 km 10 km Half Marathon
Feb
28
Sa

Freedom Run - Prescott

5 km
March 2026
Mar
1
Su

Zoom Angel Island

Trail Run 5 mi 10 mi 15 mi
Mar
14
Sa

Marin Ultra Challenge

Trail Run 31 mi 50 mi
Mar
15
Su

The Rattlesnake Ramble

Trail Run 5 km 10 km Half Marathon
Mar
15
Su

Novato Lucky Run

5 km 10 km