Annamaria Kostarellis
United StatesActive- Born
- Aug 12, 1999 (27 years old)
- Events
- 10 000 m · Half Marathon
Annamaria Kostarellis is a United States middle-distance runner, born on August 12, 1999. She competes primarily in the 800m, 1500m and Mile.
Her personal bests include 2:17.05 in the 800m, 4:27.76 in the 1500m, 4:50.95 in the Mile, 9:27.34 in the 3000m and 9:14.18 in the 3000m. She has earned 1 gold medal in major international competitions. She is currently active on the international athletics circuit, representing United States.
Personal best · 10 000 m32:10.96
2026 season best33:01Oct 10, 2026
Personal best · Half Marathon1:10:57
Last competitionBoston 10K for Women, Boston, MAOct 10, 2026 · 33:01
As of Nov 13, 2026: 10 000 m 32:10.96 (#869 all-time), Half Marathon 1:10:57, 2026 season best 33:01 (Oct 10, 2026) · Last competition: Boston 10K for Women, Boston, MA, Oct 10, 2026, 33:01 · 27 years old
Personal bests
WA points calculator →DisciplineResultAll-time2026
MileIndoorNY 20174:50.951,001 pts––
3000mIndoorAR 20239:14.181,080 pts––
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 10Kilometr | 33:01 | – | Oct 10, 2026 | Boston 10K for Women, Boston, MA |
| 2026 | 10MilesRoa | 52:30 | – | Apr 12, 2026 | Credit Union Cherry Blossom 10 Mile |
| 2026 | Semi | 1:10:57 | – | Mar 1, 2026 | Publix Atlanta Half Marathon |
| 2025 | mile-short-track Indoor | 4:58.21 | – | Feb 15, 2025 | Don Kirby Elite Invitational |
| 2025 | Mile Indoor | 4:58.21 | – | Feb 15, 2025 | Don Kirby Elite Invitational |
| 2025 | 10Kilometr | 33:08 | – | Jun 7, 2025 | Mastercard New York Mini 10K - Women's Race |
| 2025 | 15Kilometr | 51:19 | – | Jul 13, 2025 | Boilermaker Road Race |
| 2025 | 20Kilometr | 1:08:11 | – | Sep 1, 2025 | USA 20 km Road Running Championships |