| Personal information | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nationality | American | ||||||||||||||
| Born | May 8, 2002 | ||||||||||||||
| Sport | |||||||||||||||
| Sport | Athletics | ||||||||||||||
| Event(s) | Heptathlon, Pentathlon | ||||||||||||||
| Achievements and titles | |||||||||||||||
| Personal best(s) | Heptathlon: 6234 (Eugene, 2024) Pentathlon: 4596 (Virginia Beach, 2025) | ||||||||||||||
Medal record
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Jadin O'Brien (born May 8, 2002) is an American multi-event athlete. She has won multiple NCAA titles in the pentathlon. [1]
From Pewaukee, Wisconsin, her father is former NFL player Kevin O’Brien and her mother Leslie was a track athlete. She played numerous sports as a youngster before focusing on athletics in her freshman year at Divine Savior Holy Angels High School. She began attending University of Notre Dame in 2020. [2]
She finished twelfth in the US Olympic Trials in the heptathlon in 2021. In 2023, she won the 2023 NCAA Championship pentathlon title. [3] She won the heptathlon at the 2023 NACAC U23 Championships. [4]
She suffered a stress fracture in her shin which limited her 2023 outdoor track season however, but retained her NCAA Indoor pentathlon title in 2024. [5] In April 2024, she set a school record in the women’s heptathlon, scoring 6115 points in California. [6] She finished runner-up to Timara Chapman at the NCAA Outdoor Championships in Eugene, Oregon in June 2024, with a tally of 6234 points. [7] [8] She finished seventh in the heptathlon at the US Olympic Trials in June 2024. [9]
She won the 2025 NCAA Championship indoor pentathlon title on March 14, 2025, in Virginia Beach. [10] [11] She did so with a personal-best 4596 points and became the first woman to win three consecutive titles since Kendell Williams. [12]
