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Half Marathon Calendar near Northglenn 2026-2027

Monthly updates for Northglenn

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

Explore the top half marathons near Northglenn for 2026-2027! We've gathered 55 exciting races in the area. Check out our detailed list below to find your next local race.

November 2026
Nov
7
Sa

HRCA Backcountry Wilderness Half Marathon

Trail Run 13 mi
Nov
7
Sa

Turkey Trails Denver

5 km 10 km 13 mi
Nov
14
Sa

Louisville Trail Race

Trail Run 5 km 10 km 13 mi
Nov
14
Sa

The Best Races - Foxfield

5 km 10 km 13 mi
Nov
21
Sa

Turkey Trek - Arvada

5 km 10 km 13 mi
Nov
28
Sa

The Best Races - Foxfield

5 km 10 km 13 mi
December 2026
Dec
5
Sa

All-Out Fa La La

5 km 10 km 13 mi
Dec
12
Sa

Santa Claus Run

5 km 10 km Half Marathon
Dec
12
Sa

The Best Races - Foxfield

5 km 10 km 13 mi
Dec
26
Sa

The Best Races - Foxfield

5 km 10 km 13 mi
January 2027
Jan
9
Sa

Polar Prowl

5 km 10 km 13 mi
February 2027
Feb
6
Sa

Mardi Crawl

5 km 10 km 13 mi
March 2027
Mar
21
Su

All-Out Spring Fever

5 km 10 km 13 mi
April 2027
Apr
11
Su

Platte River Half-Marathon

5 km 13 mi
Apr
24
Sa

All-Out Beat the Heat

5 km 10 km 13 mi
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