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Trail Running Calendar near Santa Rosa 2026-2027

Monthly updates for Santa Rosa

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

Explore the top trail runs near Santa Rosa for 2026-2027! We've gathered 11 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
20-22
Fr - Su

The Big Alta

Trail Run 28 km 50 km 100 km
Mar
21
Sa

Napa Valley Trail Marathon

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

Lake Sonoma 100K

Trail Run Half Marathon 50 km 100 km
Apr
12
Su

Calistoga Mountain Run

Trail Run 10 km Half Marathon 35 km 50 km
Apr
18
Sa

Annadel Half Marathon

Trail Run 5 km 10 km Half Marathon
May 2026
May
3
Su

Tails & Trails- Charitable Walk/Run

Trail Run 5 km
May
3
Su

Angwin to Angwish

Trail Run 10 km 26 km
May
9
Sa

The Wine Half Marathon

Trail Run 13 mi
May
16
Sa

Napa Wilderness Trail Runs

Trail Run 10 km Half Marathon 30 km 50 km
May
16
Sa

Rim Rock 50 Mile Trail Challenge

Trail Run 50 mi
October 2026
Oct
17
Sa

Sonoma Fall Classic

Trail Run 26 mi 50 mi 100 mi