Season
Level
Personal Records Personal Records
Event Mark State National Date
400m 1:00.92 Apr 7, 2026
110mH 19.45 Apr 28, 2026
300mH 47.61 #23,313 May 6, 2026
High Jump 5-6 #17,918 May 14, 2025
Long Jump 17-5.5 Apr 9, 2026
100m 15.00 Feb 28, 2024
200m 26.49 Apr 9, 2026
400m 1:00.92 Apr 7, 2026
110mH 19.45 Apr 28, 2026
300mH 47.61 #23,313 May 6, 2026
High Jump 5-6 #17,918 May 14, 2025
Long Jump 17-5.5 Apr 9, 2026
High Jump 5-4 #5,076 Mar 17, 2026
Long Jump 16-4.5 #14,135 Mar 17, 2026
100m 15.00 Feb 28, 2024
200m 26.49 Apr 9, 2026
400m 1:00.92 Apr 7, 2026
110mH 19.45 Apr 28, 2026
300mH 47.61 #23,313 May 6, 2026
High Jump 5-6 #17,918 May 14, 2025
Long Jump 17-5.5 Apr 9, 2026
High Jump 5-4 #5,076 Mar 17, 2026
Long Jump 16-4.5 #14,135 Mar 17, 2026
Long Jump 15-5.5 May 10, 2023
See where Duncan ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results

To see all performances, subscribe to

MileSplit Logo
Join Now

Already a Pro member?

2026 - Outdoor

200 Meter Dash

400 Meter Dash

110 Meter Hurdles

300 Meter Hurdles

High Jump

Long Jump

2026 - Indoor

High Jump

Long Jump

2025 - Outdoor

400 Meter Dash

High Jump

Long Jump

2025 - Indoor

High Jump

2023 - Outdoor

100 Meter Dash

Long Jump

College Progression Tracker

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