Clayton is from Washington, Missouri. During his time at Washington High School, he was a 4-time all-state athlete and set school records in the 1600m (4:20), 3200m (9:19) and 2000m Steeple (6:32). His 9:19 3200m earned him an 8th place finish in the Missouri State Track & Field Championships. He also ran personal best times of 4:17 for the mile and 15:44 for 5000m (cross country) in high school.
After high school, Clayton attended Lindenwood University in St. Charles, Missouri for his freshman year, competing at the NCAA Division II level. He was an all-conference cross country runner, and was 26th at his cross country regional meet. After one year at Lindenwood, he transferred to Wichita State University, where he completed the rest of his eligibility, competing at the NCAA Division I level. Clayton was a 4-time all-conference athlete for Wichita State, twice in cross country, and twice in the 3000m Steeplechase. He was conference champion in the steeplechase once, and runner-up once, and also placed 4th in the indoor 5000m at the American Athletic Conference Championships.
In his final season, he competed at the NCAA Outdoor West Regional Championships in the 3000m Steeple. On the cross country course, he placed as high as 5th in the conference, and 18th in the NCAA Midwest Regional meet. He finished college with personal bests of 8:45 (3000m Steeple), 8:09 (3000m), 14:08 (5000m), 23:34 (8k cross country, and 29:58 (10k cross country).Clayton graduated from Wichita State University with a degree in Exercise Science. He joined Minnesota Distance Elite in September of 2023