LS
Louis Serafini
USAMenBirth dateSep 20, 1991
Height-
Weight-
Louis Serafini is a United States middle-distance runner, born on September 20, 1991. He competes primarily in the 800m, 1500m and Mile.
His personal bests include 1:55.07 in the 800m, 3:42.73 in the 1500m, 3:59.33 in the Mile, 8:00.90 in the 3000m and 13:47.97 in the 5000m. He is currently active on the international athletics circuit, representing United States.
Key facts
Mile Short Track
3:59.33
5000 Metres Short Track
13:47.97
Age
34 years old
As of Sep 14, 2026: Mile Short Track 3:59.33, 5000 Metres Short Track 13:47.97, 2026 season best 2:15:40 (Apr 20, 2026, Boston, MA (USA)) · Last competition: Boston Marathon, Apr 20, 2026, 2:15:40 · 34 years old
PB
Personal bests
1:55.07
3:42.73
3:59.33
8:00.90
13:47.97
28:54.95
1:03:49
2:14:59
14:30
4:02.30
8:00.90
45:23
29:04
47:35
1:55.07
2:26.73
2:26.73
3:59.33
13:47.97
4:17.0HT
10:03.04
1:03:31
8:46.40
8:46.40
24:26
23:20
16:51.97
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | Marathon | 2:15:40 | - | Apr 20, 2026 | ↑ | Boston Marathon |
| 2024 | Marathon | 2:17:09 | - | Feb 3, 2024 | ↑ | U.S. Olympic Team Trials - Marathon |
| 2022 | Mile | 4:04.73 | - | Feb 5, 2022 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2022 | mile-short-track | 4:04.73 | - | Feb 5, 2022 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2022 | 10000m | 29:09.78 | - | Mar 6, 2022 | ↑ | JSerra Catholic HS, San Juan Capistrano, CA (USA) |
| 2022 | 15Kilometr | 45:59 | - | Nov 13, 2022 | ↑ | Schenectady, NY (USA) |
| 2022 | Semi | 1:03:49 | - | Jan 16, 2022 | ↑ | Aramco Houston Half Marathon |
| 2022 | Marathon | 2:14:59 | - | Dec 4, 2022 | ↑ | Sacramento, CA (USA) |
| 2021 | 5000m | 13:54.61 | - | May 29, 2021 | ↑ | Bishop Feehan HS, Boston, MA (USA) |
| 2021 | 5MilesRoad | 24:39 | - | Jul 18, 2021 | ↓ | Concord, NH (USA) |
| 2021 | 10000m | 28:54.95 | - | May 14, 2021 | ↑ | Track Meet |
| 2021 | 15Kilometr | 45:28 | - | Nov 14, 2021 | ↑ | Schenectady, NY (USA) |
| 2020 | 3000m-short-track | 8:14.64 | - | Jan 25, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 3000m | 8:14.64 | - | Jan 25, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 5000m-short-track | 13:47.97 | - | Feb 15, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 5000m | 13:47.97 | - | Feb 15, 2020 | ↑ | Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) |
| 2020 | 5MilesRoad | 23:20 | - | Feb 2, 2020 | ↓ | Cambridge, MA (USA) |
| 2020 | Marathon | 2:20:27 | - | Feb 29, 2020 | ↑ | USA Olympic Team Trials Marathon |
| 2019 | Mile | 4:05.95 | - | Feb 9, 2019 | ↑ | NYRR Millrose Games, New York, NY (i) - Elite Event |
| 2019 | mile-short-track | 4:05.95 | - | Feb 9, 2019 | ↑ | NYRR Millrose Games, New York, NY (i) - Elite Event |
| 2019 | 3000m-short-track | 8:00.90 | - | Feb 24, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 3000m | 8:00.90 | - | Feb 24, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 5000m | 13:58.90 | - | Jan 26, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 5000m-short-track | 13:58.90 | - | Jan 26, 2019 | ↑ | Boston, MA (USA) (i) |
| 2019 | 8Kilometre | 24:26 | - | Aug 10, 2019 | - | Shelburne Falls, MA (USA) |
| 2019 | 10Kilometr | 29:35 | - | Sep 22, 2019 | ↑ | Gloucester, MA (USA) |
| 2019 | 10MilesRoa | 47:35 | - | Oct 6, 2019 | ↑ | USA 10 Mile Road Running Championships |
| 2019 | Semi | 1:04:00 | - | May 5, 2019 | ↑ | US Half Marathon Championships, Pittsburgh, PA |
| 2019 | Marathon | 2:16:34 | - | Nov 3, 2019 | ↑ | TCS New York City Marathon |
| 2018 | 1000m | 2:27.12 | - | Dec 22, 2018 | ↓ | Boston, MA (USA) (i) |
| 2018 | 1000m-short-track | 2:27.12 | - | Dec 22, 2018 | ↓ | Boston, MA (USA) (i) |
| 2018 | 1500m | 3:42.73 | - | May 14, 2018 | ↑ | Swarthmore, PA (USA) |
| 2018 | Mile | 3:59.33 | - | Feb 25, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | mile-short-track | 3:59.33 | - | Feb 25, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 1500m-short-track | 4:02.30 | - | Feb 9, 2018 | - | Boston, MA (USA) (i) |
| 2018 | 3000m | 8:01.04 | - | Jan 27, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 3000m-short-track | 8:01.04 | - | Jan 27, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 5000m | 13:53.08 | - | Jun 10, 2018 | ↑ | Portland, OR (USA) |
| 2018 | 5000m-short-track | 14:11.38 | - | Dec 1, 2018 | ↑ | Boston, MA (USA) (i) |
| 2018 | 10Kilometr | 29:04 | - | Jun 24, 2018 | ↑ | Boston B.A.A. 10K |
| 2018 | 10MilesRoa | 52:00 | - | Jul 27, 2018 | ↑ | Narragansett, RI (USA) |
| 2018 | Semi | 1:04:53 | - | Nov 11, 2018 | ↑ | - |
| 2017 | MileRoad | 4:17.0h | - | Aug 12, 2017 | - | Boston, MA (USA) |
| 2017 | 3000m | 8:02.60 | - | Jun 1, 2017 | ↑ | Concord, MA (USA) |
| 2017 | 2Miles | 8:46.40 | - | Jan 22, 2017 | - | Cambridge, MA (USA) (i) |
| 2017 | 2MilesShor | 8:46.40 | - | Jan 22, 2017 | - | Cambridge, MA (USA) (i) |
| 2017 | 5000m | 13:54.57 | - | Feb 11, 2017 | ↑ | Boston, MA (USA) (i) |
| 2017 | 5000m-short-track | 13:54.57 | - | Feb 11, 2017 | ↑ | Boston, MA (USA) (i) |
| 2017 | 10000m | 28:59.98 | - | Jun 10, 2017 | ↑ | Portland, OR (USA) |
| 2017 | 10Kilometr | 30:16 | - | Sep 24, 2017 | ↑ | Gloucester, MA (USA) |
| 2017 | Semi | 1:06:20 | - | Mar 19, 2017 | ↑ | - |
| 2016 | 3000m-short-track | 8:04.86 | - | Jan 30, 2016 | ↑ | Boston, MA (USA) (i) |
| 2016 | 3000m | 8:04.86 | - | Jan 30, 2016 | ↑ | Boston, MA (USA) (i) |
| 2016 | 5Kilometre | 14:30 | - | Apr 16, 2016 | - | Boston, MA (USA) |
| 2016 | 5000m | 14:32.88 | - | May 14, 2016 | ↑ | Waltham, MA (USA) |
| 2016 | 4MilesRoad | 18:56 | - | Dec 31, 2016 | - | - |
| 2016 | 10Kilometr | 30:23 | - | Sep 25, 2016 | ↑ | Gloucester, MA (USA) |
| 2016 | 15Kilometr | 45:23 | - | Nov 13, 2016 | ↑ | Schenectady, NY (USA) |
| 2016 | Semi | 1:04:17 | - | Apr 30, 2016 | ↑ | Columbus, OH (USA) |
| 2016 | Marathon | 2:17:25 | - | Oct 9, 2016 | ↑ | Albany, NY (USA) |
| 2015 | 10000m | 29:56.70 | - | Jul 15, 2015 | ↑ | Somerville, MA (USA) |
| 2015 | 10Kilometr | 30:50 | - | Jun 21, 2015 | ↑ | Boston, MA (USA) |
| 2015 | 10MilesRoa | 50:40 | - | Feb 22, 2015 | ↑ | Amherst, NE (USA) |
| 2015 | 20Kilometr | 1:03:31 | - | Sep 6, 2015 | - | Acton, MA (USA) |
| 2015 | Semi | 1:04:32 | - | Oct 31, 2015 | ↑ | Philadelphia, PA (USA) |
| 2015 | Marathon | 2:27:37 | - | Apr 20, 2015 | ↑ | Boston, MA (USA) |
| 2014 | Mile | 4:14.05 | - | Feb 8, 2014 | ↑ | Boston, MA (USA) (i) |
| 2014 | mile-short-track | 4:14.05 | - | Feb 8, 2014 | ↑ | Boston, MA (USA) (i) |
| 2014 | 15Kilometr | 47:05 | - | Nov 9, 2014 | ↑ | Schenectady, NY (USA) |
| 2014 | Semi | 1:08:16 | - | Oct 12, 2014 | ↑ | Boston, MA (USA) |
| 2013 | mile-short-track | 4:12.31 | - | Jan 17, 2013 | ↑ | Boston, MA (USA) (i) |
| 2013 | Mile | 4:12.31 | - | Jan 17, 2013 | ↑ | Boston, MA (USA) (i) |
| 2013 | 3000m | 8:26.57 | - | Jan 26, 2013 | ↑ | Boston, MA (USA) (i) |
| 2013 | 3000m-short-track | 8:26.57 | - | Jan 26, 2013 | ↑ | Boston, MA (USA) (i) |
| 2013 | 5000m | 15:04.73 | - | Apr 20, 2013 | ↑ | Raleigh, NC (USA) |
| 2013 | Semi | 1:11:34 | - | Oct 13, 2013 | ↑ | Albany, NY (USA) |
| 2012 | 800m | 1:55.50 | - | Jan 19, 2012 | ↓ | Boston, MA (USA) (i) |
| 2012 | 800m-short-track | 1:55.50 | - | Jan 19, 2012 | ↓ | Boston, MA (USA) (i) |
| 2012 | 1500m | 3:51.71 | - | Apr 20, 2012 | ↑ | Charlottesville, VA (USA) |
| 2012 | mile-short-track | 4:10.86 | - | Feb 11, 2012 | ↑ | Boston, MA (USA) (i) |
| 2012 | Mile | 4:10.86 | - | Feb 11, 2012 | ↑ | Boston, MA (USA) (i) |
| 2012 | 3000m | 8:23.81 | - | Feb 25, 2012 | ↑ | Boston, MA (USA) (i) |
| 2012 | 3000m-short-track | 8:23.81 | - | Feb 25, 2012 | ↑ | Boston, MA (USA) (i) |
| 2012 | DistanceMe | 10:06.23 | - | Feb 24, 2012 | ↓ | Boston, MA (USA) (i) |
| 2012 | 5000m | 14:39.19 | - | May 11, 2012 | ↑ | Cambridge, MA (USA) |
| 2011 | 800m-short-track | 1:55.54 | - | Feb 4, 2011 | ↓ | Cambridge, MA (USA) (i) |
| 2011 | 800m | 1:55.54 | - | Feb 4, 2011 | ↓ | Cambridge, MA (USA) (i) |
| 2011 | 1500m | 3:53.55 | - | Apr 15, 2011 | ↑ | Lewisburg, PA (USA) |
| 2011 | Mile | 4:08.79 | - | Feb 12, 2011 | ↑ | Boston, MA (USA) (i) |
| 2011 | mile-short-track | 4:08.79 | - | Feb 12, 2011 | ↑ | Boston, MA (USA) (i) |
| 2011 | 3000m-short-track | 8:43.43 | - | Jan 9, 2011 | ↑ | Hanover, NH (USA) (i) |
| 2011 | 3000m | 8:43.43 | - | Jan 9, 2011 | ↑ | Hanover, NH (USA) (i) |
| 2011 | DistanceMe | 10:03.04 | - | Feb 25, 2011 | ↓ | Blacksburg, VA (USA) (i) |
| 2011 | 4xMileRela | 16:51.97 | - | Apr 30, 2011 | - | Philadelphia, PA (USA) |
| 2010 | 800m-short-track | 1:55.07 | - | Jan 16, 2010 | ↓ | Cambridge, MA (USA) (i) |
| 2010 | 800m | 1:55.07 | - | Jan 16, 2010 | ↓ | Cambridge, MA (USA) (i) |
| 2010 | 1000m | 2:26.73 | - | Feb 6, 2010 | ↓ | Cambridge, MA (USA) (i) |
| 2010 | 1000m-short-track | 2:26.73 | - | Feb 6, 2010 | ↓ | Cambridge, MA (USA) (i) |
| 2010 | 1500m | 3:52.79 | - | May 14, 2010 | ↑ | Atlanta, GA (USA) |
| 2010 | mile-short-track | 4:10.09 | - | Jan 30, 2010 | ↑ | Boston, MA (USA) (i) |
| 2010 | Mile | 4:10.09 | - | Jan 30, 2010 | ↑ | Boston, MA (USA) (i) |
2026
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:15:40 | - | Apr 20 | Boston Marathon |
2024
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:17:09 | - | Feb 3 | U.S. Olympic Team Trials - Marathon |
2022
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:14:59 | - | Dec 4 | California International Marathon, Sacramento, CA - US Marathon Ch. |
15Kilometr | 45:59 | - | Nov 13 | Stockade-athon, Schenectady, NY |
Marathon | 2:15:55 | - | Jun 18 | Grandma's Marathon, Duluth, MN |
Semi | 1:08:02 | - | May 21 | RBC Brooklyn Half, New York, NY |
10000m | 29:09.78 | - | Mar 6 | Sound Running TEN, JSerra Catholic HS, San Juan Capistrano, CA |
mile-short-track | 4:04.73 | - | Feb 5 | Boston University Bruce Lehane Scarlet and White Invite, Boston Univ. Track & Tennis Center, Boston, MA (i) |
Semi | 1:03:49 | - | Jan 16 | Aramco Houston Half Marathon |
2021
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
15Kilometr | 45:28 | - | Nov 14 | MVP Health Care Stockade-athon 15K, Schenectady, NY |
5MilesRoad | 24:39 | - | Jul 18 | Bill Luti 5 miler, Concord, NH |
5000m | 13:54.61 | - | May 29 | Platinum PT Qualifier, Bishop Feehan HS, Boston, MA |
10000m | 28:54.95 | - | May 14 | Track Meet |
2020
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:20:27 | - | Feb 29 | USA Olympic Team Trials Marathon |
5000m-short-track | 13:47.97 | - | Feb 15 | BU David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
5MilesRoad | 23:20 | - | Feb 2 | Super Sunday & USATF New England 5 Mile Ch., Cambridge, MA |
3000m-short-track | 8:14.64 | - | Jan 25 | John Thomas Terrier Classic, Boston Univ. Track & Tennis Center, Boston, MA (i) |
2019
14 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:16:34 | - | Nov 3 | TCS New York City Marathon |
10MilesRoa | 47:35 | - | Oct 6 | USA 10 Mile Road Running Championships |
10Kilometr | 29:35 | - | Sep 22 | Lone Gull 10K, Gloucester, MA |
8Kilometre | 24:26 | - | Aug 10 | Bridge of Flowers, Shelburne Falls, MA |
Marathon | 2:21:34 | - | Jun 22 | Grandma's Marathon |
Semi | 1:03:14 | - | May 18 | Half Marathon, Brooklyn, NY |
Semi | 1:04:00 | - | May 5 | US Half Marathon Championships, Pittsburgh, PA |
10MilesRoa | 47:38 | - | Apr 7 | Cherry Blossom 10M, Washington, DC |
10Kilometr | 29:37 | - | Mar 16 | St. Patrick's Road Race 10K, Holyoke, MA |
3000m-short-track | 8:00.90 | - | Feb 24 | Boston University Last Chance Qualifier, Boston, MA (i) |
3000m-short-track | 8:10.79 | - | Feb 17 | USATF-New England Indoor Championships, Cambridge, MA (i) |
mile-short-track | 4:05.95 | - | Feb 9 | NYRR Millrose Games, New York, NY (i) - Elite Event |
5000m-short-track | 13:58.90 | - | Jan 26 | John Thomas Terrier Classic, Boston, MA (i) |
mile-short-track | 4:07.95 | - | Jan 18 | Joe Donahue Games, Boston, MA (i) |
2018
16 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
1000m-short-track | 2:27.12 | - | Dec 22 | Boston BU Mini Meet #3, Boston, MA (i) |
5000m-short-track | 14:11.38 | - | Dec 1 | Boston Sharon Colyear-Danville Season Opener, Boston, MA (i) |
Semi | 1:04:53 | - | Nov 11 | Half Marathon, Richmond, VA |
10Kilometr | 29:43 | - | Sep 30 | Gloucester Lone Gull 10K, Gloucester, MA |
10MilesRoa | 52:00 | - | Jul 27 | Narragansett Blessing of the Fleet, Narragansett, RI |
10Kilometr | 29:04 | - | Jun 24 | Boston B.A.A. 10K |
5000m | 13:53.08 | - | Jun 10 | Portland Track Festival, Portland, OR - Elite Event |
Mile | 4:00.42 | - | May 31 | St. Louis Festival of Miles, St. Louis, MO |
1500m | 3:42.73 | - | May 14 | Swarthmore Final Qualifier Meet, Swarthmore, PA |
5000m | 13:59.31 | - | Apr 28 | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
5000m | 13:59.31 | - | Apr 26 | Philadelphia Penn Relays, Philadelphia, PA - USA vs. the World |
mile-short-track | 3:59.33 | - | Feb 25 | Boston University Last Chance Qualifier, Boston, MA (i) |
mile-short-track | 4:02.30 | - | Feb 10 | Boston David Hemery Valentine Invitational, Boston, MA (i) |
1500m-short-track | 4:02.30 | - | Feb 9 | Boston David Hemery Valentine Invitational, Boston, MA (i) - Split times |
3000m-short-track | 8:01.04 | - | Jan 27 | Boston John Thomas Terrier Classic, Boston, MA (i) |
mile-short-track | 4:04.81 | - | Jan 20 | Staten Island Ocean Breeze Invitational, NY (i) |
2017
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:08:53 | - | Oct 8 | Albany Mohawk Hudson River Half Marathon, Albany, NY |
10Kilometr | 30:16 | - | Sep 24 | Gloucester Lone Gull 10K, Gloucester, MA |
MileRoad | 4:17.0HT | - | Aug 12 | Boston Trackhouse Mile, Boston, MA |
Showing 1 - 50 of 124
Honours
No medals
FAQ
Frequently asked questions
What is Louis Serafini's Mile Short Track personal best?
Louis Serafini's Mile Short Track personal best is 3:59.33, set on Feb 25, 2018 in Boston, MA (USA) (i).
Which events does Louis Serafini compete in?
Louis Serafini competes in the Mile Short Track and 5000 Metres Short Track.
How did Louis Serafini perform in 2026?
2026 season best: 2:15:40, set on Apr 20, 2026 in Boston, MA (USA). Last competition: Boston Marathon on Apr 20, 2026, 2:15:40.