Season
Level
Personal Records Personal Records
Event Mark State National Date
400m 1:01.35 — May 11, 2026
60mH 11.25 #5,144 Mar 12, 2026
110mH 19.54 — May 6, 2025
High Jump 4-9.75 (1.47m) — May 6, 2025
Pole Vault 8-0.25 (2.45m) #20,330 May 20, 2026
100m 13.98 — Apr 9, 2026
200m 29.84 — Apr 9, 2026
400m 1:01.35 — May 11, 2026
110mH 19.54 — May 6, 2025
Pole Vault 8-0.25 (2.45m) #20,330 May 20, 2026
1600m 6:41.00 — Apr 22, 2025
High Jump 4-9.75 (1.47m) — May 6, 2025
60mH 11.25 #5,144 Mar 12, 2026
100m 13.98 — Apr 9, 2026
200m 29.84 — Apr 9, 2026
400m 1:01.35 — May 11, 2026
110mH 21.00 — May 5, 2026
Pole Vault 8-0.25 (2.45m) #20,330 May 20, 2026
60mH 11.25 #5,144 Mar 12, 2026
400m 1:09.74 — Apr 24, 2025
1600m 6:41.00 — Apr 22, 2025
110mH 19.54 — May 6, 2025
High Jump 4-9.75 (1.47m) — May 6, 2025
See where Jack ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results
PRO

See all 29 of Jack Duncan’s results

Full performance history, included with MileSplit PRO.

Subscribe to view results

2026 - Outdoor

100 Meter Dash

200 Meter Dash

400 Meter Dash

110 Meter Hurdles

Pole Vault

2026 - Indoor

60 Meter Hurdles

2025 - Outdoor

400 Meter Dash

1600 Meter Run

110 Meter Hurdles

High Jump

2024 - Outdoor

110 Meter Hurdles

High Jump

College Progression Tracker

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