Marit Ross-Sonnesyn

Marit Ross-Sonnesyn

Born
Nov 13, 1993 (33 years old)
Events
Marathon · Half Marathon

Marit Ross-Sonnesyn is a United States middle-distance runner, born on November 13, 1993. He competes primarily in the 1500m, 3000m and 5000m.

His personal bests include 4:53.63 in the 1500m, 10:09.76 in the 3000m, 17:42.10 in the 5000m, 35:58.33 in the 10000m and 1:17:16 in the Semi. He is currently active on the international athletics circuit, representing United States.

Personal best · Marathon2:39:58
2026 season best2:40:34Oct 11, 2026 · Chicago, IL
Personal best · Half Marathon1:17:16
Last competitionBank of America Chicago MarathonOct 11, 2026 · 2:40:34

As of Nov 13, 2026: Marathon 2:39:58, Half Marathon 1:17:16, 2026 season best 2:40:34 (Oct 11, 2026, Chicago, IL (USA)) · Last competition: Bank of America Chicago Marathon, Oct 11, 2026, 2:40:34 · 33 years old

DisciplineResultAll-time
1500mSt. Peter 2016United States 1500 m all-time list4:53.63339 pts–
3000mIndoorMN 201610:09.76441 pts–
5000mSt. Paul 2018United States 5000 m all-time list17:42.10397 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Semi 1:18:51–Jun 20, 2026Garry Bjorklund Half Marathon
2026Marathon 2:40:34–Oct 11, 2026Bank of America Chicago Marathon
2025Semi 1:17:27–Nov 8, 2025CNO Financial Indianapolis Monumental Half Marathon
2025Marathon 2:46:38–Sep 21, 2025BMW Berlin Marathon, Berlin
2023Marathon 2:39:58–Dec 3, 2023California International Marathon
20225Kilometre 18:26–May 30, 2022–
2022Semi 1:20:14–Jun 18, 2022Duluth, MN (USA)
2022Marathon 2:51:27–Oct 2, 2022Minneapolis, MN (USA)
FAQ

Frequently asked questions

Marit Ross-Sonnesyn's Marathon personal best is 2:39:58, set on Dec 3, 2023 in Sacramento, CA (USA).

Marit Ross-Sonnesyn competes in the Marathon and Half Marathon.

2026 season best: 2:40:34, set on Oct 11, 2026 in Chicago, IL (USA). Last competition: Bank of America Chicago Marathon on Oct 11, 2026, 2:40:34.