Airman Haden Stoner, Airman 1st Class Garrett Rivett and Airman Jake Peterson, 312th Training Squadron students, perform lunges during the Blood, Sweat and Stairs competition at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 22, 2018. Traditionally, participants would climb stairs to pay tribute to the first responders who died during 9/11. (U.S. Air Force photo by Senior Airman Randall Moose/Released)

Airman Haden Stoner, Airman Jake Peterson and Airman 1st Class Garrett Rivett, 312th Training Squadron students, lift kettlebells during the Blood, Sweat and Stairs competition at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 22, 2018. Participants would lift the weights 40 times then carry them 20 yards. (U.S. Air Force photo by Senior Airman Randall Moose/Released)

Airman Haden Stoner, Airman Jake Peterson and Airman 1st Class Garrett Rivett, 312th Training Squadron students, perform crunches during the Blood, Sweat and Stairs competition at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 22, 2018. Competitors ran the nearly 2-mile course with multiple stops to complete exercises such as jumping jacks, burpees and jump-squats. (U.S. Air Force photo by Senior Airman Randall Moose/Released)

Airman Jake Peterson, Airman 1st Class Garrett Rivett and Airman Haden Stoner, 312th Training Squadron students, perform jump-squats during the Blood, Sweat and Stairs competition at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 22, 2018. Due to poor weather conditions, the coordinators removed the stair-climbing portion from the competition, and participants performed cardio-based exercises instead. (U.S. Air Force photo by Senior Airman Randall Moose/Released)

Participants run the final stretch of the Blood, Sweat and Stairs competition at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Sept. 22, 2018. The purpose of the event is to remind participants of the sacrifices of the emergency responders on September 11, 2001. (U.S. Air Force photo by Senior Airman Randall Moose/Released)