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Half Marathon Calendar near Monte Sereno 2026-2027

Monthly updates for Monte Sereno

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Explore the top half marathons near Monte Sereno for 2026-2027! We've gathered 28 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
18
Sa

Badger Cove Half Marathon

Trail Run 5 km 10 km Half Marathon
Apr
18
Sa

Horseshoe Lake Trail Run

Trail Run 5 mi Half Marathon ... Marathon 50 km
Apr
18
Sa

Woodside Crossover

Trail Run 10 km Half Marathon 35 km 50 km
Apr
19
Su

Santa Cruz Westside Half Marathon

5 km 10 km Half Marathon
Apr
26
Su

Om Run Half Marathon

5 km 10 km Half Marathon
May 2026
May
10
Su

Trailquake

Trail Run 5 km 10 km Half Marathon
May
29-31
Fr - Su

San Jose Half Marathon

8 km 13 mi
May
30
Sa

Beer City Half San Jose

5 km 10 km 13 mi
July 2026
Jul
11
Sa

San Lorenzo River Trail Run

Trail Run 10 km Half Marathon ... Marathon 50 km
August 2026
Aug
8
Sa

Mount Madonna Challenge

Trail Run 5 km 10 km Half Marathon
Aug
15
Sa

Beer City Half Marathon

5 km 10 km Half Marathon
Aug
22
Sa

Santa Cruz Trail Run

Trail Run 10 km Half Marathon 30 km
Aug
30
Su

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
September 2026
Sep
12
Sa

Stevens Creek Striders Reservoir Run

Trail Run 3 mi 7 km 13 mi
Sep
27
Su

Spartan Trail - San Jose Trail Challenge

Trail Run 10 km Half Marathon 50 km
October 2026
Oct
4
Su

Run by The Sea

Trail Run 4 km 12 km Half Marathon
Oct
25
Su

Santa Cruz Marathon

5 km Half Marathon Marathon
Oct
31
Sa

Zombierunner Halloween

Trail Run 5 km 10 km Half Marathon Marathon