Riley Chamberlain (runner)
American middle-distance runner
From Wikipedia, the free encyclopedia
Riley Chamberlain (born 21 July 2004) is an American middle- and long-distance, and cross country runner.[1]
1500m: 4:02.03 (Los Angeles, 2025)
Mile: 4:20.61 (Boston, 2026)
3000m: 8:40.89 (Seattle, 2025)
5000m: 14:58.97 (Boston, 2025)
| Personal information | |
|---|---|
| Born | 21 July 2004 |
| Sport | |
| Sport | Athletics |
Event(s) | Middle-distance running, Long-distance running, Cross country running |
| Achievements and titles | |
| Personal best(s) | 800m: 1:59.75 (Portland, 2025) 1500m: 4:02.03 (Los Angeles, 2025) Mile: 4:20.61 (Boston, 2026) 3000m: 8:40.89 (Seattle, 2025) 5000m: 14:58.97 (Boston, 2025) |
Biography
From a family of runners, Chamberlain's father competed at the USA Olympic Trials in the steeplechase, as she ran in track and field at high school alongside her sister, Karissa.[2] Chamberlain attended Del Oro High School prior to competing at the collegiate level for Brigham Young University. She set a BYU record and became the fourth fastest NCAA all-time in the women’s indoor mile run with a time of 4:33.14 at the 2023 Razorback Invitational.[3]
Chamberlain was a member of winning BYU distance medley relay teams at the 2024 and 2025 NCAA Indoor Track and Field Championships.[4] In February 2025, Chamberlain had run alongside Carmen Alder, Meghan Hunter, and Tessa Buswell to set a new collegiate best time of 10:37.58 for the event at the Husky Classic, breaking the previous best mark by over six seconds.[5]
In July 2025, Chamberlain ran a new personal best of 4:02.23 in the 1500 metres whilst competing at the Sunset Tour in Los Angeles. The following week at the Stumptown Twilight in Portland, Oregon, she won the 800 metres in a personal best time of 1:59.75.[6] She qualified for the final of the 1500 metres at 2025 USA Outdoor Track and Field Championships, before falling in a racing incident involving Helen Schlachtenhaufen, and finished behind the pack.[7][8]
Chamberlain placed fourth in the individual race at the 2025 NCAA Cross Country Championships in Missouri, helping BYU to a second place finish in the team event.[9] On 6 December, she ran 14:58.97 for the 5000 metres in Boston, Massachusetts at the Colyear-Danville Season Opener, finishing runner-up as BYU teammate Jane Hedengren broke the NCAA indoor record.[10] On 1 February, Chamberlain moved into the top-ten NCAA all-time list for the 3000 metres indoors with 8:43.16 at the Millrose Games.[11] On 14 February, Chamberlain ran 4:20.61 to set the collegiate indoor mile run record at the 2026 BU Valentine Invitational.[12] On 14 March, she had a top-five finish in the mile run at the 2026 NCAA Indoor Championships.[13]