1. X-treme Challenge Gladiator Arena
9499 Washington St Unit B, Thornton, CO 80229
Coordinate: 39.86953,-104.97794
Phone: (303) 255-2221
2. L.E Fitness
550 Thornton Pkwy Unit 300, Thornton, CO 80229
Coordinate: 39.86938,-104.97972
Phone: (720) 726-3952
3. Spartacus Training
14310 Grant St, Thornton, CO 80023
Coordinate: 39.921375,-105.06915
Phone: (720) 419-5616
4. Fitt
10211 Ura Ln, Thornton, CO 80260
Coordinate: 39.88263,-105.01381
Phone: (720) 301-1163
5. Planet Fitness
880 E 104th Ave, Thornton, CO 80233
Coordinate: 39.88497,-104.97515
Phone: (303) 452-4426
6. Curves
10380 Washington St Unit 5, Thornton, CO 80229
Coordinate: 39.88421,-104.97753
Phone: (800) 615-7352
7. Powerhouse Gym
4251 E 104th Ave, Thornton, CO 80233
Coordinate: 39.88514,-104.93568
Phone: (303) 280-8187
8. Be Fit & Nutrition
670 W 84th Ave, Thornton, CO 80260
Coordinate: 39.84885,-104.99404
Phone: (720) 324-9534
9. Denver Gym and Fitness
4251 E 104th Ave, Thornton, CO 80233
Coordinate: 39.88514,-104.93568
Phone: (303) 280-8187
10. Adventure Fitness Athletic Club
12301 Grant St Unit 210, Thornton, CO 80241
Coordinate: 39.92005,-104.98575
Phone: (303) 920-2030
11. CrossFit
12351 Grant St, Thornton, CO 80241
Coordinate: 39.92109,-104.98608
Phone: (303) 920-2062
12. CrossFit
9668 Pecos St, Thornton, CO 80260
Coordinate: 39.87289,-105.00552
Phone: (303) 519-4840
13. Powerhouse Gym
6415 E 135th Ave, Thornton, CO 80602
Coordinate: 39.94272,-104.91316
Phone: (303) 450-9234
14. Planet Fitness
16511 Washington St, Thornton, CO 80023
Coordinate: 39.99663,-104.97843
Phone: (720) 790-1500