Westminster close

Half Marathon calendar near Westminster 2025-2026

Explore the top half marathons near Westminster for 2025-2026! We've gathered 40 exciting races in the area. Check out our detailed list below to find your next local race.

April 2025
Apr
19
Saturday

All-Out Beat the Heat

5 km 10 km 13 mi
Apr
19
Saturday

The Best Races - Aurora

5 km 10 km 13 mi
Apr
19
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Apr
26
Saturday

Runs With Scissors Races

13 mi 26 mi 50 km
Apr
27
Sunday

Blue Heron Half

5 km 13 mi
May 2025
May
3
Saturday

The Best Races - Aurora

5 km 10 km 13 mi
May
3
Saturday

The Best Races - Centennial

13 mi
May
4
Sunday

Longmont Half

5 km 13 mi
May
10
Saturday

Mountain Ridge Trail Race

Trail Run 5 km 10 km 13 mi 21 mi
May
10
Saturday

Carbon Valley Half Marathon

5 km 13 mi
May
10
Saturday

Donot Stop Half Marathon - Denver

5 km 10 km 13 mi
May
17-18
Sa - Su

Denver Colfax Marathon

5 mi 10 mi 13 mi 26 mi
May
17-18
Sa - Su

Growing Home - Colfax Fundraiser

5 km 10 mi 13 mi 26 mi
June 2025
Jun
1
Sunday

Colorado 13er Half Marathon

5 km 10 km 13 mi
Jun
7
Saturday

All-Out Summer Breeze

5 km 10 km 13 mi
Jun
14
Saturday

Barr Lake Trail Race

Trail Run 5 km 15 km ... 30 km 50 km
Jun
14
Saturday

The Best Races - Aurora

5 km 10 km 13 mi
Jun
14
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Jun
21
Saturday

Hometown Half Marathon - Denver

5 km 10 km 13 mi
July 2025
Jul
5
Saturday

The Best Races - Aurora

5 km 10 km 13 mi
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