Rucksack World Records  

William C. ran 800 meters in 10 minutes, 25.12 seconds while carrying a 150-pound rucksack.

William C. ran 400 meters in four minutes, 34.28 seconds while carrying a 150-pound rucksack.

William C. ran 200 meters in one minute, 57.65 seconds while carrying a 150-pound rucksack.

William C. ran 316 feet in 43.73 seconds while carrying a 150-pound rucksack.

William C. cycled 0.1 kilometer in two minutes, 23.00 seconds using a stationary bike while carrying a 145-pound rucksack and a 35-pound barbell.

William C. cycled 0.1 kilometer in two minutes, 23.00 seconds using a stationary bike while carrying a 145-pound rucksack and a 35-pound barbell.

William C. completed a 200-meter run in one minute, 16.00 seconds while carrying a 100-pound rucksack.

William C. ran one mile in 14 minutes, 30.00 seconds while carrying a 100-pound rucksack.

William C. climbed a five-step ladder two times in one minute while carrying a 100-pound rucksack.

William C. completed an 800-meter road run in eight minutes, 37.52 seconds while carrying a 100-pound rucksack.

William C. climbed a five-step ladder two times in one minute while carrying a 78-pound rucksack.

William C. reverse climbed a three-step ladder four times in one minute while carrying a 40-pound rucksack.

William C. sprinted 300 feet in 21 seconds while carrying a 100-pound rucksack.

William C. completed a 400-meter road run in three minutes, 29.00 seconds while carrying a 100-pound rucksack.

William C. completed a 150-foot sprint in 11.50 seconds while carrying a 100-pound rucksack.

William C. completed 12 stationary rows in one minute while carrying a 145-pound rucksack on his back.