Personal Records Personal Records
Event Mark State National Date
400m 56.92 — Mar 6, 2026
110mH 20.16 — Mar 6, 2026
300mH 46.87 #20,869 Feb 20, 2026
Long Jump 13-10 — Apr 2, 2026
400m 56.92 — Mar 6, 2026
110mH 20.16 — Mar 6, 2026
300mH 46.87 #20,869 Feb 20, 2026
Long Jump 13-10 — Apr 2, 2026
See where William ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results
PRO

See all 5 of William Stallings’s results

Full performance history, included with MileSplit PRO.

Subscribe to view results

2026 - Outdoor

400 Meter Dash

110 Meter Hurdles

300 Meter Hurdles

Long Jump

College Progression Tracker

Your 1600m performance is better than XX% of Division I athletes when they were Senior in high school.