Season
Personal Records Personal Records
Event Mark State National Date
1000m 3:48.82 #12,146 Dec 15, 2025
1 Mile 5:55.36 #8,852 Jan 5, 2026
2.1 Mile 14:24.50 — Oct 10, 2026
3 Mile 22:29.00 #42,849 Sep 22, 2026
5K 21:29.80 — Oct 29, 2026
800m 3:07.00 — Apr 1, 2025
1 Mile 6:00.70 #10,102 Apr 23, 2026
1000m 3:48.82 #12,146 Dec 15, 2025
1 Mile 5:55.36 #8,852 Jan 5, 2026
2.1 Mile 14:24.50 — Oct 10, 2026
2.x Mile 20:42.00 — Sep 15, 2026
3 Mile 22:29.00 #42,849 Sep 22, 2026
5K 21:29.80 — Oct 29, 2026
See where Thomas ranks State & National rankings, available to MileSplit PRO subscribers. Join MileSplit PRO
Results Results
PRO

See all 38 of Thomas Mazzilli’s results

Full performance history, included with MileSplit PRO.

Subscribe to view results

2026 - Cc

2.1 Mile Run

2.x Mile Run (CC Short Course)

Three Mile Run

5000 Meter Run

2026 - Outdoor

One Mile Run

2026 - Indoor

1000 Meter Run

One Mile Run

2025 - Cc

2.1 Mile Run

Three Mile Run

5000 Meter Run

2025 - Outdoor

800 Meter Run

One Mile Run

2025 - Indoor

One Mile Run

2024 - Cc

2.1 Mile Run

Three 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.