5K races near Thornton, Colorado — 2026 running calendar
7 events found
Sep
13
RMRR September Trophy Series
Thornton, Colorado, United States
$10.00
Running
10K
5K
Oct
03
I Can 5k
Thornton, Colorado, United States
Free
Running
5K
+2
Oct
31
I Ain't Scared (of 5k)
Thornton, Colorado, United States
$45.00
Running
5K
Dec
12
WinterFest 5k & Fun Run
Thornton, Colorado, United States
$25.00
Running
5K
Jun
19
Unicorn 5k (North)
Thornton, Colorado, United States
$18.00 - $41.00
Running
5K
1K
May
23
Memorial Day 5K Virtual Run - Thornton
Thornton, Colorado, United States
Running
5K
May
09
2026 Mother's Day Virtual 5k - Thornton
Thornton, Colorado, United States
Running
5K
RMRR September Trophy Series
Thornton, Colorado, United States
Sep 13, 2026 (Sun)
$10.00
Running
10K
5K
I Can 5k
Thornton, Colorado, United States
Oct 3, 2026 (Sat)
Free
Running
5K
+2
I Ain't Scared (of 5k)
Thornton, Colorado, United States
Oct 31, 2026 (Sat)
$45.00
Running
5K
WinterFest 5k & Fun Run
Thornton, Colorado, United States
Dec 12, 2026 (Sat)
$25.00
Running
5K
Unicorn 5k (North)
Thornton, Colorado, United States
Jun 19, 2027 (Sat)
$18.00 - $41.00
Running
5K
1K
Memorial Day 5K Virtual Run - Thornton
Thornton, Colorado, United States
May 23, 2026 (Sat)
– May 25, 2026
Running
5K
2026 Mother's Day Virtual 5k - Thornton
Thornton, Colorado, United States
May 9, 2026 (Sat)
– May 11, 2026
Running
5K