![Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800 Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800](https://c8.alamy.com/comp/PE4NBY/participants-pull-sand-bags-up-a-rope-and-pulley-system-during-a-spartan-sprint-race-at-fort-bragg-nc-sept-19-2015-fort-bragg-hosted-the-race-which-drew-more-than-6800-participants-at-smith-lake-recreation-area-the-race-was-more-than-five-miles-and-had-more-than-25-obstacles-along-the-course-us-air-force-photo-by-staff-sgt-marianique-santosreleased-PE4NBY.jpg)
Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800
![Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800 Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800](https://c8.alamy.com/comp/PE4NCP/participants-pull-sand-bags-up-a-rope-and-pulley-system-during-a-spartan-sprint-race-at-fort-bragg-nc-sept-19-2015-fort-bragg-hosted-the-race-which-drew-more-than-6800-participants-at-smith-lake-recreation-area-the-race-was-more-than-five-miles-and-had-more-than-25-obstacles-along-the-course-us-air-force-photo-by-staff-sgt-marianique-santosreleased-PE4NCP.jpg)
Participants pull sand bags up a rope and pulley system during a Spartan Sprint race at Fort Bragg, N.C., Sept. 19, 2015. Fort Bragg hosted the race, which drew more than 6,800
![My 11-Week Training Plan: Training for the Spartan Tahoe Beast Race World Championship Course | obstacle course racing My 11-Week Training Plan: Training for the Spartan Tahoe Beast Race World Championship Course | obstacle course racing](https://obstaclecourseracing.files.wordpress.com/2015/07/spartan-vermont-beast-world-championships-2013-60sandbag-carry.jpg)