5K races in Colorado, United States — 2026 running calendar

Colorado Women's Classic - Westminster

Westminster, Colorado, United States

10 May, 2026 (Sun)

Running

5K 10K 16.1K

Hometown Half Marathon & 5k/10k - Denver

Littleton, Colorado, United States

10 May, 2026 (Sun)

Running

1.6K 5K 10K Half-Marathon +1

10th Annual Fort Collin's Mother's Day 5K

Fort Collins, Colorado, United States

09 May, 2026 (Sat)

Running

5K

2026 Mother's Day Virtual 5k - Westminster

Westminster, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Arvada

Arvada, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Colorado Springs

Colorado Springs, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Denver

Denver, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Fort Collins

Fort Collins, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Lakewood

Lakewood, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Pueblo

Pueblo, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

2026 Mother's Day Virtual 5k - Thornton

Thornton, Colorado, United States

09 May, 2026 (Sat) – 11 May, 2026

Running

5K

Colterris Wine Run 5k

Palisade, Colorado, United States

09 May, 2026 (Sat)

Running

5K