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Half Marathon Calendar near City Park 2025-2026

Explore the top half marathons near City Park for 2025-2026! We've gathered 43 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
18
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
November 2025
Nov
1
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Nov
2
Sunday

All-Out Kooky-Spooky

5 km 10 km Half Marathon
Nov
8
Saturday

HRCA Backcountry Wilderness Half Marathon

Trail Run 13 mi
Nov
15
Saturday

Louisville Trail Race

Trail Run 3 mi 6 mi 13 mi
Nov
15
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Nov
22
Saturday

Turkey Trek 10k

5 km 10 km 13 mi
Nov
29
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
December 2025
Dec
6
Saturday

All-Out Fa La La

5 km 10 km Half Marathon
Dec
7
Sunday

RunDenver Series

5 km 4 mi 10 km 13 mi
Dec
13
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Dec
27
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
January 2026
Jan
3
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Jan
10
Saturday

Polar Prowl

5 km 10 km Half Marathon
Jan
17
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Jan
18
Sunday

Arctic Prairie Dog Half Marathon

5 km 10 km Half Marathon
February 2026
Feb
7
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Feb
14
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Feb
15
Sunday

Ralston Creek Half Marathon

5 km Half Marathon
Feb
22
Sunday

Mardi Crawl

5 km 10 km Half Marathon
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