| Personal information | |
|---|---|
| Nationality | Swedish |
| Born | 4 September 2003 United States |
| Sport | |
| Sport | Athletics |
| Event | Middle distance running |
| College team | Oregon Ducks |
| Achievements and titles | |
| Personal best(s) | 1500m: 4:05.39 (2025) Mile: 4:26.40 (2025) |
Mia Barnett (born 4 September 2003) is a Swedish-American middle-distance runner. She began to represent Sweden in 2025, having previously competed for the United States as a junior athlete. [1]
A dual-citizen with the United States and Sweden, she was born in the United States to a Swedish mother who had moved to the States with her family when she was three years-old, and a father of Swedish-Finnish descent. Barnett grew up in Los Angeles. [2] She attended Crescenta Valley High School, and in 202- ran the third fastest time for the mile run in California high school history, running 4:39.41 in Irvine. [3]
She represented the United States at the 2022 World Athletics U20 Championships in Cali, Colombia, where she reached the final with time of 4:18.51 for the 1500 metres, before placing eleventh overall in the final. [4] [5]
She studied and competed for the University of Oregon. She ran a personal best for the mile run of 4:26.40 at the Drake Relays in April 2025. [6] She qualified for the final of the 1500 metres at the 2025 NCAA Outdoor Championships in Eugene, Oregon in June 2025, finishing second in her 1500 metres semi-final ahead of teammate Klaudia Kazimierska and behind eventual winner Sophie O'Sullivan, before going on to place twelfth in the final. [7] [8] [9]
She began to compete for Sweden in 2025, making her debut in a Swedish vest at the 2025 European Athletics U23 Championships, where she qualified for the final and placed sixth overall in the 1500 metres. [10] [11] After moving to Sweden in 2025 she joined Hälle IF. She was selected for the Swedish team to compete over 1500 metres at the 2025 World Athletics Championships in Tokyo, Japan in September 2025. [12]