Personal Records Personal Records
Event Mark State National Date
800m 1:58.53 May 13, 2023
1000m 2:34.59 Jan 29, 2023
1 Mile 4:27.08 May 17, 2023
3000m 9:42.60 Mar 29, 2025
5K 16:07.21 Nov 11, 2022
100m 15.00 Dec 3, 2024
800m 2:01.97 Feb 10, 2024
1000m 2:34.59 Jan 29, 2023
1 Mile 4:34.98 Jan 10, 2026
600m 1:28.91 Dec 15, 2022
800m 1:58.53 May 13, 2023
1500m 4:13.74 Mar 30, 2024
1 Mile 4:27.08 May 17, 2023
3000m 9:42.60 Mar 29, 2025
2 Mile 9:54.70 May 3, 2023
8K 27:39.61 Sep 17, 2023
1.x Mile 12:40.00 Sep 11, 2019
2400m 11:02.90 Sep 21, 2019
3000m 11:46.20 Nov 2, 2019
2.x Mile 16:20.00 Sep 21, 2022
5K 16:07.21 Nov 11, 2022
100m 15.00 Dec 3, 2024
800m 2:01.97 Feb 10, 2024
1000m 2:34.78 Jan 26, 2024
1 Mile 4:34.98 Jan 10, 2026
800m 2:01.00 Apr 10, 2026
1500m 4:13.74 Mar 30, 2024
1 Mile 4:43.96 Apr 12, 2024
3000m 9:42.60 Mar 29, 2025
8K 27:39.61 Sep 17, 2023
600m 1:28.91 Dec 15, 2022
1000m 2:34.59 Jan 29, 2023
1 Mile 4:37.43 Feb 12, 2022
800m 1:58.53 May 13, 2023
1 Mile 4:27.08 May 17, 2023
2 Mile 9:54.70 May 3, 2023
1.x Mile 12:40.00 Sep 11, 2019
2400m 11:02.90 Sep 21, 2019
3000m 11:46.20 Nov 2, 2019
2.x Mile 16:20.00 Sep 21, 2022
5K 16:07.21 Nov 11, 2022
See where Declan 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

800 Meter Run

1500 Meter Run

2026 - Indoor

1000 Meter Run

One Mile Run

2025 - Outdoor

3000 Meter Run

2025 - Indoor

100 Meter Dash

2024 - Cc

8000 Meter Run

2024 - Outdoor

800 Meter Run

1500 Meter Run

One Mile Run

2024 - Indoor

100 Meter Dash

800 Meter Run

1000 Meter Run

One Mile Run

2023 - Cc

8000 Meter Run

2023 - Outdoor

800 Meter Run

One Mile Run

2 Mile Run

2023 - Indoor

600 Meter Run

1000 Meter Run

One Mile Run

2022 - Cc

2.x Mile Run (CC Short Course)

5000 Meter Run

2022 - Outdoor

One Mile Run

2022 - Indoor

1000 Meter Run

One Mile Run

2021 - Cc

5000 Meter Run

2021 - Outdoor

2 Mile Run

2021 - Indoor

One Mile Run

2020 - Cc

5000 Meter Run

2020 - Indoor

One Mile Run

2019 - Cc

1.x Mile Run

2400 Meter Run

3000 Meter 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.