LM
Leoni Mierswa
GERWomenBirth dateMay 28, 2000
Height-
Weight-
Leoni Mierswa is a Germany middle-distance runner, born on May 28, 2000. She competes primarily in the 800m, 1500m and Mile.
Her personal bests include 2:08.16 in the 800m, 4:19.90 in the 1500m, 4:42.12 in the Mile, 9:12.47 in the 3000m and 15:56.85 in the 5000m. She is currently active on the international athletics circuit, representing Germany.
Key facts
3000 Metres Short Track
9:12.47
Mile Short Track
4:42.12
Last competition
NCAA Division I West First Rounds, Cushing Stadium, College Station, TX
May 31, 2025 · 17:03.62
Age
26 years old
As of Sep 24, 2026: 3000 Metres Short Track 9:12.47, Mile Short Track 4:42.12, 2025 season best 9:12.47 (Mar 3, 2025, Norton Sports Center, Louisville, KY (USA) (i)) · Last competition: NCAA Division I West First Rounds, Cushing Stadium, College Station, TX, May 31, 2025, 17:03.62 · 26 years old
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2025 | 800m | 2:09.37 | - | Apr 5, 2025 | ↑ | Stanford Invitational, Cobb Track and Angell Field, Palo Alto, CA - Invitational Events |
| 2025 | 800m-short-track | 2:11.56 | - | Feb 8, 2025 | ↑ | Texas A&M Charlie Thomas Invitational, R.A. "Murray" Fasken Indoor Track Stadium, College Station, TX (i) - Olympic Development |
| 2025 | 1000m | 2:53.49 | - | Jan 18, 2025 | ↑ | Texas Tech Corky Classic |
| 2025 | 1000m-short-track | 2:53.49 | - | Jan 18, 2025 | ↑ | Texas Tech Corky Classic |
| 2025 | 1500m | 4:19.90 | - | Apr 4, 2025 | ↑ | Stanford Invitational, Cobb Track and Angell Field, Palo Alto, CA - Invitational Events |
| 2025 | 1500m-short-track | 4:26.87 | - | Feb 15, 2025 | ↑ | Boston University David Hemery Valentine Invitational |
| 2025 | Mile | 4:42.12 | - | Feb 8, 2025 | ↑ | Texas A&M Charlie Thomas Invitational, R.A. "Murray" Fasken Indoor Track Stadium, College Station, TX (i) - Olympic Development |
| 2025 | mile-short-track | 4:42.12 | - | Feb 8, 2025 | ↑ | Texas A&M Charlie Thomas Invitational, R.A. "Murray" Fasken Indoor Track Stadium, College Station, TX (i) - Olympic Development |
| 2025 | 3000m | 9:12.47 | - | Mar 3, 2025 | ↑ | ACC Indoor Track & Field Championships, Norton Sports Center, Louisville, KY (i) |
| 2025 | 3000m-short-track | 9:12.47 | - | Mar 3, 2025 | ↑ | ACC Indoor Track & Field Championships, Norton Sports Center, Louisville, KY (i) |
| 2025 | DistanceMe | 11:13.13 | - | Mar 1, 2025 | ↑ | ACC Indoor Track & Field Championships, Norton Sports Center, Louisville, KY (i) |
| 2025 | 5000m | 15:56.85 | - | Apr 17, 2025 | ↑ | Bryan Clay Invitational |
| 2024 | 800m-short-track | 2:10.51 | - | Feb 9, 2024 | ↑ | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2024 | 800m | 2:10.51 | - | Feb 9, 2024 | ↑ | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2024 | 1500m | 4:25.52 | - | Mar 22, 2024 | ↑ | Clyde Hart Classic, Clyde Hart Track & Field Stadium, Waco, TX |
| 2024 | mile-short-track | 4:47.73 | - | Feb 9, 2024 | ↑ | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2024 | Mile | 4:47.73 | - | Feb 9, 2024 | ↑ | Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2024 | 3000m-short-track | 9:19.15 | - | Dec 7, 2024 | ↑ | Boston University Sharon Colyear-Danville Season Opener |
| 2024 | 3000m | 9:19.15 | - | Dec 7, 2024 | ↑ | Boston University Sharon Colyear-Danville Season Opener |
| 2024 | DistanceMe | 11:34.87 | - | Feb 23, 2024 | ↑ | American Athletic Conference Indoor Track & Field Championships |
| 2024 | 5000m | 16:50.11 | - | Apr 12, 2024 | ↑ | Bryan Clay Invitational |
| 2023 | 800m | 2:08.16 | - | May 13, 2023 | ↑ | American Athletic Conference Outdoor Track & Field Championships |
| 2023 | 800m-short-track | 2:13.08 | - | Feb 24, 2023 | ↑ | American Athletic Conference Indoor Track & Field Championships |
| 2023 | 1500m | 4:23.04 | - | May 14, 2023 | ↑ | American Athletic Conference Outdoor Track & Field Championships |
| 2023 | mile-short-track | 4:51.35 | - | Feb 10, 2023 | ↑ | Boston University David Hemery Valentine Invitational |
| 2023 | Mile | 4:51.35 | - | Feb 10, 2023 | ↑ | Boston University David Hemery Valentine Invitational |
| 2023 | 3000m-short-track | 9:26.58 | - | Dec 2, 2023 | ↑ | Boston University Sharon Colyear-Danville Season Opener, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2023 | 3000m | 9:26.58 | - | Dec 2, 2023 | ↑ | Boston University Sharon Colyear-Danville Season Opener, Boston Univ. Track & Tennis Center, Boston, MA (i) |
| 2023 | DistanceMe | 11:37.10 | - | Feb 24, 2023 | ↑ | American Athletic Conference Indoor Track & Field Championships |
| 2022 | 800m | 2:15.20 | - | Feb 25, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | 800m-short-track | 2:15.20 | - | Feb 25, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | 1500m | 4:35.65 | - | Apr 1, 2022 | ↑ | San Francisco St. Cox Stadium, San Francisco, CA (USA) |
| 2022 | mile-short-track | 4:55.10 | - | Feb 26, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | Mile | 4:55.10 | - | Feb 26, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | 3000m-short-track | 9:51.45 | - | Feb 26, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | 3000m | 9:51.45 | - | Feb 26, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | DistanceMe | 11:46.98 | - | Feb 26, 2022 | ↑ | CrossPlex Athletic Facility, Birmingham, AL (USA) (i) |
| 2022 | 5000m | 17:43.28 | - | Apr 30, 2022 | ↑ | Cushing Stadium, College Station, TX (USA) |
| 2021 | 800m | 2:12.79 | - | May 15, 2021 | ↑ | University of South Florida Track & Field Stadium, Tampa, FL (USA) |
| 2021 | 1500m | 4:42.19 | - | Mar 6, 2021 | ↑ | Mike A. Myers Stadium, Austin, TX (USA) |
| 2021 | mile-short-track | 5:02.89 | - | Feb 13, 2021 | ↑ | Houston-Yeoman FH, Houston, TX (USA) (i) |
| 2021 | Mile | 5:02.89 | - | Feb 13, 2021 | ↑ | Houston-Yeoman FH, Houston, TX (USA) (i) |
| 2021 | 5000m | 17:42.18 | - | May 16, 2021 | ↑ | University of South Florida Track & Field Stadium, Tampa, FL (USA) |
| 2020 | 800m-short-track | 2:15.04 | - | Feb 8, 2020 | ↑ | Quarterback Immobilien Arena, Leipzig (GER) (i) |
| 2020 | 800m | 2:15.04 | - | Feb 8, 2020 | ↑ | Quarterback Immobilien Arena, Leipzig (GER) (i) |
| 2019 | 800m | 2:13.35 | - | Jul 6, 2019 | ↑ | Dessau (GER) |
| 2019 | 1000m-short-track | 3:02.48 | - | Jan 16, 2019 | ↑ | Magdeburg (GER) (i) |
| 2019 | 1000m | 3:02.48 | - | Jan 16, 2019 | ↑ | Magdeburg (GER) (i) |
| 2019 | 1500m | 4:37.65 | - | Jul 28, 2019 | ↑ | Ulm (GER) |
| 2019 | 1500m-short-track | 4:38.99 | - | Feb 24, 2019 | ↑ | Sindelfingen (GER) (i) |
| 2017 | 800m-short-track | 2:17.43 | - | Jan 21, 2017 | ↑ | Halle (GER) (i) |
| 2017 | 800m | 2:17.43 | - | Jan 21, 2017 | ↑ | Halle (GER) (i) |
| 2017 | 1500m | 4:40.63 | - | Jun 9, 2017 | ↑ | Osterode (GER) |
| 2016 | 800m | 2:21.12 | - | Jun 4, 2016 | ↑ | Haldensleben (GER) |
| 2016 | 1500m | 4:42.83 | - | Jul 30, 2016 | ↑ | Mönchengladbach (GER) |
2025
27 performances2024
16 performances2023
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
3000m-short-track | 9:26.58 | - | Dec 2 | Boston University Sharon Colyear-Danville Season Opener, Boston Univ. Track & Tennis Center, Boston, MA (i) |
1500m | 4:23.04 | - | May 14 | American Athletic Conference Outdoor Track & Field Championships |
800m | 2:18.04 | - | May 14 | American Athletic Conference Outdoor Track & Field Championships |
1500m | 4:28.61 | - | May 14 | American Athletic Conference Outdoor Track & Field Championships |
800m | 2:08.16 | - | May 14 | American Athletic Conference Outdoor Track & Field Championships |
800m | 2:08.16 | - | May 13 | American Athletic Conference Outdoor Track & Field Championships |
1500m | 4:28.61 | - | May 12 | American Athletic Conference Outdoor Track & Field Championships |
Showing 1 - 50 of 106
Honours
No medals
FAQ
Frequently asked questions
What is Leoni Mierswa's 3000 Metres Short Track personal best?
Leoni Mierswa's 3000 Metres Short Track personal best is 9:12.47, set on Mar 3, 2025 in Norton Sports Center, Louisville, KY (USA) (i).
Which events does Leoni Mierswa compete in?
Leoni Mierswa competes in the 3000 Metres Short Track and Mile Short Track.
How did Leoni Mierswa perform in 2025?
2025 season best: 9:12.47, set on Mar 3, 2025 in Norton Sports Center, Louisville, KY (USA) (i). Last competition: NCAA Division I West First Rounds, Cushing Stadium, College Station, TX on May 31, 2025, 17:03.62.