Brianna Selby

Brianna Selby (born 3 January 2006) is an American sprinter.

Early life Selby attended Indian River High School in Chesapeake, Virginia and signed a letter of intent to compete for the University of Southern California in late 2023.

Career In 2023, Selby became national age-group champion over 60 metres at the New Balance Nationals Indoor Championships, where she ran times of 7.27 seconds, 7.28 s and 7.30 s in succession. Selby competed in 2024 as a member of Speed Evolutions Athletics Club. In March 2024, she ran 7.19 seconds to win the 60 metres title at the New Balance National Indoor Championships. That year, she signed a Name, Image and Likeness (NIL) contract with New Balance.

Competing for the University of Southern California, Selby lowered her personal best to 11.03 seconds in 2025. in June, she ran a new personal best and world under-20 lead of 11.01 seconds in the semi-finals at the 2025 NCAA Outdoor Championships in Eugene, Oregon, prior to placing eighth overall in the final. She reached the semi-finals of the 100 metres at the 2025 USA Outdoor Track and Field Championships, running her heat in 11.34 seconds (-1.5 m/s).

In February 2026, Selby ran a new personal best of 7.15 seconds for the 60 m at the New Mexico Collegiate Classic in Albuquerque, New Mexico. Later that month, she won the 60 m in 7.24 seconds at the Big Ten Indoor Championships. Competing at the 2026 NCAA Indoor Championships she qualified for the final of the 60 metres with a run of 7.21 seconds, placing eighth overall.

Competing at the Mt. SAC Relays in California on 18 April 2026 she was part of a USC team which set a school record of 42.12 seconds in the women's 4 x 100 m relay, running alongside Madison Whyte, Christine Mallard and Mia Brahe-Pedersen. In May, she ran the seventh-fastest time in collegiate history with 10.83 seconds to win the 100 m at the NCAA Regionals. In the semi-finals of the 4 x 100 m relay at the 2026 NCAA Outdoor Championships, she was part of the USC team which became the second school in collegiate history to run the under 42 seconds, as Selby, Dajaz DeFrand, Mia Brahe-Pedersen and Madison Whyte ran an NCAA-leading time of 41.96 seconds.