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Running calendar near Thornton 2024-2025

Explore the top running races near Thornton for 2024-2025! We've gathered 88 exciting races in the area. Check out our detailed list below to find your next local race.

October 2025
Oct
4
Saturday

Not So Flatt Breast Cancer Awareness Run

5 km 10 km
Oct
12
Sunday

Westy Half

5 km 13 mi
Oct
18
Saturday

Indian Creek Trail Runs

Trail Run 5 mi 15 mi 55 km 50 mi
Oct
18
Saturday

The Great Trailhead Foot Race 10 Miler

Trail Run 5 mi
Oct
26
Sunday

Ghosts and Goblins 10K

5 km 10 km
November 2025
Nov
1
Saturday

City Park 5k for Pancreatic Cancer Research

5 km
Nov
2
Sunday

All-Out Kooky-Spooky

5 km 10 km 21 km
Nov
15
Saturday

Louisville Trail Race

Trail Run 5 km 10 km 13 mi