TH
Theresa Hailey
USAMenBirth dateNov 27, 1988
Height-
Weight-
Theresa Hailey is a United States middle-distance runner, born on November 27, 1988. He competes primarily in the 800m, 1500m and Mile.
His personal bests include 2:15.60 in the 800m, 4:30.34 in the 1500m, 4:53.52 in the Mile, 9:35.96 in the 3000m and 16:27.50 in the 5000m. He is currently active on the international athletics circuit, representing United States.
Key facts
Marathon
2:36:13
25 Kilometres Road
1:31:18
Age
37 years old
As of Sep 23, 2026: Marathon 2:36:13, 25 Kilometres Road 1:31:18, 2026 season best 1:16:14 (Apr 26, 2026, Hayward Field, Eugene, OR (USA)) · Last competition: Eugene Half Marathon, Apr 26, 2026, 1:16:14 · 37 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2026 | Semi | 1:16:14 | - | Apr 26, 2026 | ↑ | Eugene Half Marathon |
| 2025 | Marathon | 2:36:13 | - | Dec 7, 2025 | ↑ | California International Marathon |
| 2023 | 3000m | 9:35.96 | - | Jun 4, 2023 | ↑ | Portland Track Festival - High Performance, Mt. Hood Community College, Gresham, OR - Invitational Events |
| 2023 | 10Kilometr | 34:57 | - | Jun 10, 2023 | - | Mastercard New York Mini 10K |
| 2023 | 12Kilometr | 42:08 | - | May 7, 2023 | - | Lilac Bloomsday Run |
| 2023 | 10MilesRoa | 57:36 | - | Apr 2, 2023 | - | Credit Union Cherry Blossom 10 Mile |
| 2023 | Marathon | 2:38:01 | - | Sep 24, 2023 | ↑ | BMW Berlin Marathon |
| 2022 | 1500m | 4:35.52 | - | Jul 2, 2022 | ↑ | Jesuit High School Track, Portland, OR (USA) |
| 2022 | Mile | 4:53.52 | - | Jul 2, 2022 | ↑ | Jesuit High School Track, Portland, OR (USA) |
| 2022 | 5000m | 16:27.50 | - | Jun 11, 2022 | ↑ | Portland Track Festival |
| 2022 | Semi | 1:16:08 | - | Nov 13, 2022 | ↑ | Monterey, CA (USA) |
| 2022 | Marathon | 2:36:40 | - | Oct 9, 2022 | ↑ | Bank of America Chicago Marathon |
| 2021 | 3000m | 9:49.67 | - | May 29, 2021 | ↑ | Griswold Stadium, Portland, OR (USA) |
| 2021 | 5000m | 16:52.88 | - | Apr 30, 2021 | ↑ | Oregon State Whyte Track and Field Center, Corvallis, OR (USA) |
| 2021 | 25Kilometr | 1:31:18 | - | Oct 23, 2021 | - | Grand Rapids, MI (USA) |
| 2021 | Marathon | 2:37:33 | - | Dec 5, 2021 | ↑ | Sacramento, CA (USA) |
| 2020 | Marathon | 2:42:49 | - | Feb 29, 2020 | ↑ | USA Olympic Team Trials Marathon |
| 2019 | 1500m | 4:30.34 | - | Jul 19, 2019 | ↑ | Portland, OR (USA) |
| 2019 | Mile | 4:55.65 | - | Jan 26, 2019 | ↑ | Seattle, WA (USA) (i) |
| 2019 | 3000m | 9:45.93 | - | Jun 9, 2019 | ↑ | Portland, OR (USA) |
| 2019 | 15Kilometr | 54:37 | - | Dec 7, 2019 | ↑ | New York, NY (USA) |
| 2019 | Semi | 1:16:47 | - | Nov 10, 2019 | ↑ | Monterey Bay Half Marathon |
| 2019 | Marathon | 2:53:49 | - | Apr 15, 2019 | ↑ | B.A.A. Boston Marathon, Boston, MA |
| 2018 | Mile | 5:00.24 | - | Feb 10, 2018 | ↑ | Seattle, WA (USA) (i) |
| 2018 | 3000m | 9:42.27 | - | Jun 10, 2018 | ↑ | Portland, OR (USA) |
| 2018 | 5000m | 16:46.32 | - | Jun 15, 2018 | ↑ | Portland, OR (USA) |
| 2018 | 5Kilometre | 17:45 | - | Mar 18, 2018 | - | Portland, OR (USA) |
| 2018 | Semi | 1:17:00 | - | Oct 7, 2018 | ↑ | Victoria (CAN) |
| 2017 | 10000m | 38:08.0h | - | Mar 3, 2017 | - | Portland, OR (USA) |
| 2017 | 15Kilometr | 56:09 | - | Mar 19, 2017 | ↑ | Portland, OR (USA) |
| 2017 | Semi | 1:18:49 | - | Jun 17, 2017 | ↑ | Duluth, MN (USA) |
| 2017 | Marathon | 2:44:20 | - | Dec 3, 2017 | ↑ | Sacramento, CA (USA) |
| 2016 | 1500m | 4:35.62 | - | Jun 12, 2016 | ↑ | Portland, OR (USA) |
| 2016 | 1500m-short-track | 4:43.89 | - | Feb 5, 2016 | - | Portland, OR (USA) (i) |
| 2016 | 5000m | 17:11.00 | - | May 15, 2016 | ↑ | Portland, OR (USA) |
| 2016 | 15Kilometr | 54:56 | - | Mar 13, 2016 | ↑ | Portland, OR (USA) |
| 2015 | 15Kilometr | 56:32 | - | Mar 15, 2015 | ↑ | Portland, OR (USA) |
| 2015 | Semi | 1:19:11 | - | Nov 8, 2015 | ↑ | Monterey, CA (USA) |
| 2015 | Marathon | 2:45:05 | - | Dec 6, 2015 | ↑ | Sacramento, CA (USA) |
| 2014 | 15Kilometr | 57:46 | - | Mar 16, 2014 | ↑ | Portland, OR (USA) |
| 2014 | Semi | 1:21:15 | - | Jan 19, 2014 | ↑ | Tempe, AZ (USA) |
| 2014 | Marathon | 2:52:52 | - | Dec 7, 2014 | ↑ | Sacramento, CA (USA) |
| 2013 | 15Kilometr | 57:21 | - | Mar 17, 2013 | ↑ | Portland, OR (USA) |
| 2013 | Semi | 1:23:23 | - | Jan 20, 2013 | ↑ | Tempe, AZ (USA) |
| 2013 | Marathon | 2:56:43 | - | Apr 15, 2013 | ↑ | Boston, MA (USA) |
| 2012 | Marathon | 3:06:05 | - | Oct 7, 2012 | ↑ | Portland, OR (USA) |
| 2011 | 800m | 2:15.60 | - | Apr 30, 2011 | ↑ | Forest Grove, OR (USA) |
| 2011 | 1500m | 4:37.81 | - | Apr 1, 2011 | ↑ | Salem, OH (USA) |
| 2011 | Mile | 5:01.26 | - | Feb 12, 2011 | ↑ | Seattle Husky Classic |
| 2011 | 3000mSt | 11:41.80 | - | May 12, 2011 | - | Salem, OR (USA) |
| 2011 | Marathon | 3:14:08 | - | Oct 23, 2011 | ↑ | Hood River, OR (USA) |
| 2010 | 800m | 2:17.36 | - | Mar 6, 2010 | ↑ | Seattle, WA (USA) (i) |
| 2010 | Mile | 4:59.90 | - | Feb 13, 2010 | ↑ | Seattle Husky Classic |
| 2009 | 1500m | 4:37.63 | - | Apr 24, 2009 | ↑ | Eugene, OR (USA) |
| 2009 | Mile | 5:01.27 | - | Mar 7, 2009 | ↑ | Seattle, WA (USA) (i) |
| 2008 | 1500m | 4:37.58 | - | Apr 5, 2008 | ↑ | Palo Alto, CA (USA) |
2026
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:16:14 | - | Apr 26 | Eugene Half Marathon |
2025
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:36:13 | - | Dec 7 | California International Marathon |
2023
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:38:01 | - | Sep 24 | BMW Berlin Marathon |
10Kilometr | 34:57 | - | Jun 10 | Mastercard New York Mini 10K |
3000m | 9:35.96 | - | Jun 4 | Portland Track Festival - High Performance, Mt. Hood Community College, Gresham, OR - Invitational Events |
12Kilometr | 42:08 | - | May 7 | Lilac Bloomsday Run |
10MilesRoa | 57:36 | - | Apr 2 | Credit Union Cherry Blossom 10 Mile |
3000m | 9:55.00 | - | Feb 4 | Meyo Invite, Loftus Sports Center, Notre Dame, IN (i) |
2022
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:16:08 | - | Nov 13 | Monterey Bay Half Marathon, Monterey, CA |
Marathon | 2:36:40 | - | Oct 9 | Bank of America Chicago Marathon |
5000m | 16:37.61 | - | Jul 8 | Stumptown Twilight Meet, Griswold Stadium, Portland, OR |
1500m | 4:35.52 | - | Jul 2 | Jessica Hull Mile Record Attempt, Jesuit High School Track, Portland, OR - Split times |
Mile | 4:53.52 | - | Jul 2 | Jessica Hull Mile Record Attempt, Jesuit High School Track, Portland, OR |
5000m | 16:27.50 | - | Jun 11 | Portland Track Festival |
2021
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:37:33 | - | Dec 5 | California International Marathon, Sacramento, CA |
25Kilometr | 1:31:18 | - | Oct 23 | Amway River Bank Run - 25K Run presented by Fifth Third Bank, Grand Rapids, MI - US 25km Ch. |
5000m | 17:04.97 | - | Jun 3 | Stumptown Twilight, Griswold Stadium, Portland, OR - Open Event |
3000m | 9:49.67 | - | May 29 | Portland Track Festival, Griswold Stadium, Portland, OR |
5000m | 16:52.88 | - | Apr 30 | OSU High Performance, Oregon State Whyte Track and Field Center, Corvallis, OR - Invitational Events |
5000m | 16:58.25 | - | Mar 13 | Rich Allen Classic, Stoffer Family Stadium, Newberg, OR |
2020
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:42:49 | - | Feb 29 | USA Olympic Team Trials Marathon |
2019
8 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
15Kilometr | 54:37 | - | Dec 7 | NYRR Ted Corbitt 15-K, New York, NY |
Semi | 1:16:47 | - | Nov 10 | Monterey Bay Half Marathon |
Semi | 1:16:15 | - | Oct 13 | GoodLife Fitness Victoria Half Marathon, Victoria |
1500m | 4:30.34 | - | Jul 19 | Stumptown Twilight, Portland, OR |
3000m | 9:45.93 | - | Jun 9 | Portland Track Festival, Portland, OR |
Marathon | 2:53:49 | - | Apr 15 | B.A.A. Boston Marathon, Boston, MA |
Mile | 4:55.65 | - | Jan 26 | UW Invitational, Seattle, WA (i) |
Semi | 1:17:23 | - | Jan 20 | Humana Rock 'n' Roll Arizona Half Marathon |
2018
6 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Semi | 1:17:05 | - | Nov 11 | Las Vegas Rock 'n' Roll Half Marathon, Las Vegas, NV |
Semi | 1:17:00 | - | Oct 7 | Victoria Half Marathon, Victoria |
5000m | 16:46.32 | - | Jun 15 | Portland Stumptown Twilight, Portland, OR |
3000m | 9:42.27 | - | Jun 10 | Portland Track Festival, Portland, OR - Invitational Events |
5Kilometre | 17:45 | - | Mar 18 | 5 km, Portland, OR |
Mile | 5:00.24 | - | Feb 10 | Seattle Husky Classic, Seattle, WA (i) |
2017
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:44:20 | - | Dec 3 | Sacramento US Marathon Championships, Sacramento, CA |
Semi | 1:18:55 | - | Oct 8 | San José Rock 'n' Roll Half Marathon, San José |
Semi | 1:18:49 | - | Jun 17 | Duluth Garry Bjorklund Half Marathon, Duluth, MN |
Marathon | 3:06:51 | - | Apr 17 | Boston Marathon, Boston, MA |
15Kilometr | 56:09 | - | Mar 19 | Portland 15 km, Portland, OR |
10000m | 38:08.0HT | - | Mar 3 | Portland The Teddy Opener, Portland, OR |
Semi | 1:20:10 | - | Jan 15 | Tempe Rock 'n' Roll Arizona Half Marathon, Tempe, AZ |
2016
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
1500m | 4:35.62 | - | Jun 12 | Portland Track Festival, Portland, OR - Open Event |
5000m | 17:11.00 | - | May 15 | Portland Twilight, Portland, OR |
15Kilometr | 54:56 | - | Mar 13 | Portland Shamrock Run, Portland, OR |
1500m-short-track | 4:43.89 | - | Feb 5 | Portland USA High Performance Meet, Portland, OR (i) |
2015
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
Marathon | 2:45:05 | - | Dec 6 | Sacramento California International Marathon, Sacramento, CA |
Semi | 1:19:11 | - | Nov 8 | Monterey Big Sur Half Marathon, Monterey, CA |
Semi | 1:20:06 | - | Aug 8 | Carlton Oregon Wine Country Half Marathon, Carlton, OR |
Marathon | 2:49:23 | - | May 9 | Eugene Marathon, Eugene, OR |
Showing 1 - 50 of 81
Honours
No medals
FAQ
Frequently asked questions
What is Theresa Hailey's Marathon personal best?
Theresa Hailey's Marathon personal best is 2:36:13, set on Dec 7, 2025 in Capitol Mall, Sacramento, CA (USA).
Which events does Theresa Hailey compete in?
Theresa Hailey competes in the Marathon and 25 Kilometres Road.
How did Theresa Hailey perform in 2026?
2026 season best: 1:16:14, set on Apr 26, 2026 in Hayward Field, Eugene, OR (USA). Last competition: Eugene Half Marathon on Apr 26, 2026, 1:16:14.