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Half Marathon Calendar near Federal Heights 2026-2027

Monthly updates for Federal Heights

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Explore the top half marathons near Federal Heights for 2026-2027! We've gathered 51 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
3
Su

Longmont Half

5 km 13 mi
May
9
Sa

Carbon Valley Half Marathon

5 km 13 mi
May
17
Su

Denver Colfax Marathon

10 mi Half Marathon 26 mi
May
23
Sa

The Best Races - Centennial

5 mi 10 mi 13 mi
June 2026
Jun
6
Sa

The Best Races - Centennial

5 km 10 km 13 mi
Jun
7
Su

Colorado 13er Half Marathon

5 km 10 km 13 mi
Jun
13
Sa

All-Out Summer Breeze

5 km 10 km 13 mi
Jun
13
Sa

Barr Lake Trail Race

Trail Run 5 km 15 km ... 30 km 50 km
July 2026
Jul
4
Sa

The Best Races - Centennial

5 km 10 km 13 mi
Jul
4
Sa

The Best Races - Foxfield

5 km 10 km 13 mi
Jul
6
Mo

Breckenridge Brewery Run

5 km Half Marathon
Jul
11
Sa

All-Out Dog Days

5 km 10 km Half Marathon
Jul
25
Sa

The Best Races - Centennial

5 km 10 km 13 mi
August 2026
Aug
2
Su

Bound for Boston Marathon - Denver

Half Marathon Marathon
Aug
8
Sa

All-Out Runapalooza

5 km 10 km Half Marathon
Aug
15
Sa

Boulder Rez Marathon

Trail Run 10 km Half Marathon 31 km 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
11-12
Fr - Sa

American Heroes Run

Trail Run 5 km 9 mi ... 100 mi 24 hr