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Half Marathon Calendar near West Central Westminster 2025-2026

Monthly updates for West Central Westminster

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Explore the top half marathons near West Central Westminster for 2025-2026! We've gathered 47 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
25
Sa

The Best Races - Centennial

5 km 10 km 13 mi
Apr
26
Su

Blue Heron Half Marathon

5 km 13 mi
May 2026
May
2
Sa

The Best Races - Centennial

5 km 10 km 13 mi
May
3
Su

Longmont Half

5 km Half Marathon
May
9
Sa

Carbon Valley Half Marathon

5 km 13 mi
May
17
Su

Denver Colfax Marathon

10 mi Half Marathon Marathon
May
23
Sa

The Best Races - Centennial

5 km 10 km 13 mi
June 2026
Jun
7
Su

Colorado 13er Half Marathon

3 mi 6 mi 13 mi
Jun
13
Sa

All-Out Summer Breeze

5 km 10 km Half Marathon
Jun
13
Sa

Barr Lake Trail Race

Trail Run 5 km 15 km ... 30 km 50 km
Jun
20
Sa

The Best Races - Centennial

5 km 10 km 13 mi
July 2026
Jul
4
Sa

The Best Races - Centennial

5 km 10 km 13 mi
Jul
11
Sa

All-Out Dog Days

5 km 10 km Half Marathon
August 2026
Aug
8
Sa

All-Out Runapalooza

5 km 10 km Half Marathon
Aug
16
Su

Erie Half

5 km Half Marathon
Aug
23
Su

Pioneer Prairie Dog Half

5 km 10 km Half Marathon
September 2026
Sep
7
Mo

Labor Day Half Marathon

5 km 10 km 13 mi
Sep
12
Sa

Ned Ned Run

Trail Run 5 km 10 km 13 mi
Sep
13
Su

Nun Run

5 km Half Marathon
Sep
19
Sa

All-Out Fall Fest

5 km 10 km Half Marathon