Season
Level
Personal Records Personal Records
Event Mark State National Date
800m 2:11.34 Apr 30, 2026
1600m 4:46.28 #17,463 May 4, 2026
3200m 10:00.72 #6,752 May 4, 2026
2 Mile 12:27.00 Oct 18, 2021
5K 16:21.70 #2,985 Aug 21, 2026
800m 2:11.34 Apr 30, 2026
1600m 4:46.28 #17,463 May 4, 2026
3200m 10:00.72 #6,752 May 4, 2026
2 Mile 12:44.99 Aug 12, 2023
1 Mile 6:05.38 Apr 1, 2022
3200m 10:35.22 Nov 15, 2025
5K 16:21.70 #2,985 Aug 21, 2026
2400m 10:15.22 Sep 3, 2019
2 Mile 12:27.00 Oct 18, 2021
800m 2:11.34 Apr 30, 2026
1600m 4:46.28 #17,463 May 4, 2026
3200m 10:00.72 #6,752 May 4, 2026
2 Mile 12:44.99 Aug 12, 2023
3200m 10:35.22 Nov 15, 2025
5K 16:21.70 #2,985 Aug 21, 2026
800m 2:51.28 Apr 25, 2023
1600m 5:43.60 Apr 25, 2023
1 Mile 6:05.38 Apr 1, 2022
2400m 10:15.22 Sep 3, 2019
2 Mile 12:27.00 Oct 18, 2021
See where Declan ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results
PRO

See all 53 of Declan Brennan’s results

Full performance history, included with MileSplit PRO.

Subscribe to view results

2026 - Cc

5000 Meter Run

2026 - Outdoor

800 Meter Run

1600 Meter Run

3200 Meter Run

2025 - Cc

3200 Meter Run

5000 Meter Run

2025 - Outdoor

800 Meter Run

1600 Meter Run

3200 Meter Run

2024 - Cc

5000 Meter Run

2024 - Outdoor

3200 Meter Run

2023 - Cc

5000 Meter Run

2023 - Outdoor

800 Meter Run

1600 Meter Run

2 Mile Run

2022 - Cc

5000 Meter Run

2022 - Outdoor

1600 Meter Run

One Mile Run

2021 - Cc

2 Mile Run

2019 - Cc

2400 Meter Run

College Progression Tracker

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