5K races near Littleton, Colorado — 2026 running calendar

Platte River Half-Marathon, Relay & 5k

Littleton, Colorado, United States

Apr 7, 2027 (Wed) – Apr 11, 2027

Running

Half-Marathon 5K

Heritage Eagles 5K

Littleton, Colorado, United States

Jul 18, 2026 (Sat)

Running

5K

Heatwave Half Marathon - Denver

Littleton, Colorado, United States

Jul 11, 2026 (Sat)

Running

1.6K 5K 10K Half-Marathon +1

HRCA Independence Day 5K

Littleton, Colorado, United States

Jul 4, 2026 (Sat)

Running

5K

Before The Fourth 5k

Littleton, Colorado, United States

Jun 27, 2026 (Sat)

Running

5K

The Bullfrog Splashdown

Littleton, Colorado, United States

Jun 14, 2026 (Sun)

Running

10K 5K 2.4K 8.9K

Stepping Stone 5K

Littleton, Colorado, United States

Jun 13, 2026 (Sat)

Running

5K 2.5K

Gluten Free Gallop 5K

Littleton, Colorado, United States

May 16, 2026 (Sat)

Running

5K 2.5K

Hometown Half Marathon & 5k/10k - Denver

Littleton, Colorado, United States

May 10, 2026 (Sun)

Running

1.6K 5K 10K Half-Marathon +1