Personal Records Personal Records
Event Mark State National Date
1600m 4:35.55 #8,258 Jun 8, 2026
2400m 8:36.46 Sep 17, 2022
3200m 10:21.87 #11,621 Apr 10, 2026
2.5 Mile 14:03.40 Nov 8, 2025
5K 17:59.50 #38,017 Nov 22, 2025
600m 1:48.92 Dec 22, 2022
1000m 2:45.23 #1,273 Feb 7, 2026
1600m 4:40.00 #2,694 Jan 11, 2026
1 Mile 5:06.50 #4,814 Jan 3, 2025
3000m 10:55.60 Jan 16, 2023
3200m 10:32.91 #3,442 Dec 30, 2025
800m 2:14.37 Apr 22, 2025
1600m 4:35.55 #8,258 Jun 8, 2026
3200m 10:21.87 #11,621 Apr 10, 2026
2K Steeple 6:53.32 #475 May 1, 2026
2400m 8:36.46 Sep 17, 2022
2500m 9:39.70 Nov 5, 2022
2.5 Mile 14:03.40 Nov 8, 2025
2.x Mile 16:24.80 Sep 7, 2024
3.x Mile 18:13.60 Sep 6, 2025
5K 17:59.50 #38,017 Nov 22, 2025
See where Theodore ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results
PRO

See all 73 of Theodore O'Sullivan's results

Every mark, PR and season best.

Plus everything included in MileSplit PRO

  • Comprehensive rankings by grade, class, conference & more
  • Progression tracker & head-to-head compare
  • Race video, photos & premium articles and more
Join MileSplit PRO

2026 - Outdoor

1600 Meter Run

3200 Meter Run

2000 Meter Steeplechase

2026 - Indoor

1000 Meter Run

1600 Meter Run

3200 Meter Run

2025 - Cc

2.5 Mile Run

3.x Mile Run

5000 Meter Run

2025 - Outdoor

800 Meter Run

1600 Meter Run

2025 - Indoor

1600 Meter Run

One Mile Run

2024 - Cc

2.5 Mile Run

2.x Mile Run (CC Short Course)

5000 Meter Run

2024 - Outdoor

800 Meter Run

1600 Meter Run

2023 - Cc

2.x Mile Run (CC Short Course)

2023 - Outdoor

800 Meter Run

1600 Meter Run

2023 - Indoor

600 Meter Run

1600 Meter Run

3000 Meter Run

3200 Meter Run

2022 - Cc

2400 Meter Run

2500 Meter Run

2.5 Mile Run

5000 Meter Run

College Progression Tracker

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