5K races near Thornton, Colorado — 2026 running calendar
9 events found
Jun
13
Treat Trot - Denver
Thornton, Colorado, United States
$22.00 - $44.00
Running
1.6K
5K
10K
15K
Jun
20
Unicorn 5k (North)
Thornton, Colorado, United States
$24.00 - $51.00
Running
5K
1K
Aug
08
Summer Sizzler- Denver
Thornton, Colorado, United States
$22.00 - $36.00
Running
1.6K
5K
10K
15K
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
$40.00
Running
5K
Dec
12
WinterFest 5k & Fun Run
Thornton, Colorado, United States
$25.00
Running
5K
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
Treat Trot - Denver
Thornton, Colorado, United States
13 Jun, 2026 (Sat)
$22.00 - $44.00
Running
1.6K
5K
10K
15K
Unicorn 5k (North)
Thornton, Colorado, United States
20 Jun, 2026 (Sat)
$24.00 - $51.00
Running
5K
1K
Summer Sizzler- Denver
Thornton, Colorado, United States
08 Aug, 2026 (Sat)
$22.00 - $36.00
Running
1.6K
5K
10K
15K
RMRR September Trophy Series
Thornton, Colorado, United States
13 Sep, 2026 (Sun)
$10.00
Running
10K
5K
I Can 5k
Thornton, Colorado, United States
03 Oct, 2026 (Sat)
Free
Running
5K
+2
I Ain't Scared (of 5k)
Thornton, Colorado, United States
31 Oct, 2026 (Sat)
$40.00
Running
5K
WinterFest 5k & Fun Run
Thornton, Colorado, United States
12 Dec, 2026 (Sat)
$25.00
Running
5K
Memorial Day 5K Virtual Run - Thornton
Thornton, Colorado, United States
23 May, 2026 (Sat)
– 25 May, 2026
Running
5K
2026 Mother's Day Virtual 5k - Thornton
Thornton, Colorado, United States
09 May, 2026 (Sat)
– 11 May, 2026
Running
5K