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Half Marathon Calendar near Bear Creek Lake Park 2026-2027

Monthly updates for Bear Creek Lake Park

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

Explore the top half marathons near Bear Creek Lake Park for 2026-2027! We've gathered 50 exciting races in the area. Check out our detailed list below to find your next local race.

September 2026
Sep
13
Su

Nun Run

5 km Half Marathon
Sep
19
Sa

All-Out Fall Fest

5 km 10 km Half Marathon
Sep
27
Su

Run Boulderthon: The Boulder Marathon

5 km 10 km Half Marathon Marathon
October 2026
Oct
3-4
Sa - Su

The Bear Chase

Trail Run 3 mi 6 mi ... 50 mi 62 mi
Oct
11
Su

Westy Half

5 km Half Marathon
November 2026
Nov
1
Su

All-Out Kooky-Spooky

5 km 10 km Half Marathon
Nov
7
Sa

HRCA Backcountry Wilderness Half Marathon

Trail Run 13 mi
Nov
14
Sa

Louisville Trail Race

Trail Run 3 mi 6 mi 13 mi
Nov
21
Sa

Turkey Trek - Arvada

5 km 10 km 13 mi
December 2026
Dec
5
Sa

All-Out Fa La La

5 km 10 km Half Marathon