Shaunae Miller-Uibo (born 15 April 1994) is a Bahamian track and field sprinter who competes in the 200 and 400 metres.
Of Afro-Bahamian heritage, Miller-Uibo was born in a Christian home to Mabelene and Shaun Miller in Nassau, Bahamas, the granddaughter and niece of pastors, on 15 April 1994.
She has a personal faith and trust in God.
2007
Miller-Uibo competed in athletics from a very young age and won five medals at the 2007 Central American and Caribbean Age Group Championships in Athletics in the under-14 category.
2009
Bronze medals in relay races followed at the 2009 CARIFTA Games and the 2009 Pan American Junior Athletics Championships.
2010
At 16 years old, she was the 400 m 2010 World junior champion and took the World youth title a year later.
She claimed the 400 m titles at the 2010 Central American and Caribbean Junior Championships and 2010 CARIFTA Games, as well as four medals with the Bahamas in the 4 × 100 metres relay and 4 × 400 metres relay.
Sixteen-year-old Miller-Uibo became the first Bahamian to be 400 m champion at the 2010 World Junior Championships in Athletics and the youngest woman to ever win the event.
She won the gold medal in a time of 52.52, denying Margaret Etim, who finished second in 53.05 (this was the slowest winning time in the history of the event).
2011
In the following year, Miller-Uibo won the 2011 World Youth Championships in Athletics with a time of 51.84, becoming the first athlete ever to hold both the U20 and U18 championship 400 m titles concurrently.
She returned to defend her 400 m title at the 2011 CARIFTA Games, but was disqualified in the final.
2012
She also failed in her defence at the 2012 World Junior Championships in Athletics, trailing in fourth.
However, she won 200 m and 4 × 400 metres relay silver medals at the 2012 CARIFTA Games.
At the 2012 London Olympics, Miller-Uibo did not finish her 400 m heat.
2013
At 19, Miller-Uibo placed fourth in the 200 m at the 2013 World Championships, and then took her first senior medal (a bronze) at the 2014 World Indoor Championships competing at 400 m. She was the 2018 Commonwealth Games 200 m champion and won four Diamond League titles, having secured the 200 m/400 m double in 2017; she owns circuit records in both disciplines.
Miller-Uibo holds the world's fastest women's marks in straight races of 150 m and 200 m.
Her personal best of 21.74 s for the 200 m is a Bahamian national record.
She won several national titles in both her disciplines and the NCAA Division I indoor title for the Georgia Bulldogs and Lady Bulldogs.
In her last age category competition, she won three gold medals (200 m, 400 m, 4 × 100 metres relay) at the 2013 CARIFTA Games and was given the Austin Sealy Award as the best athlete of the tournament.
She turned professional in 2013, signing a sponsorship deal with Adidas.
She made her first global final that same year, taking fourth in the 200 m at the 2013 World Championships in Athletics.
2014
The year after, Miller-Uibo won her first senior medal, finishing behind Francena McCorory and Kaliese Spencer in the 400 m at the 2014 IAAF World Indoor Championships.
She made the 200 m final at the 2014 Commonwealth Games but ended the race in sixth.
2015
At the World Athletics Championships, Miller-Uibo won silver medals in the 400 m in 2015 and 2019, and a bronze at the 200 m in 2017 when she also placed fourth at her longer distance.
In 2022, she won her first world outdoor and indoor 400 m titles.
The 2015 season marked her first impact at the Diamond League, as she won the 400 m at the top level Athletissima and Memorial Van Damme meets.
Miller-Uibo won the silver medal in the 400 m at the 2015 World Championships that year.
She also ran with the Bahamian women's 4 × 400 m relay team in the heats at that competition and set a Bahamian national record of 3:28.46 minutes.
2016
She is a two-time Olympic champion after winning the women's 400 metres at the 2016 Rio Olympics and again at the 2020 Tokyo Olympics.
In 2016, Miller-Uibo won the Prefontaine Classic 400 m race.
At the 2016 Rio Olympics, she won the gold medal in the 400 m, diving across the line to beat Allyson Felix by 0.07 seconds and record a personal best time of 49.44 seconds.
She was the flag-bearer for the Bahamas at the 2016 Summer Olympics.
2017
At the 2017 Prefontaine Classic, Miller-Uibo became the first Bahamian woman to run under 22 seconds in the 200 m, improving her own national record to 21.91 seconds.
On 4 June 2017, she set the 200 metres straight world record of 21.76 s, greatly improving the previous record of 22.55 s set by Allyson Felix.
2019
She holds North American records in the 400 m both outdoors and indoors, set in October 2019 and February 2021, respectively.
Her marks of 48.36 (improved at the Tokyo Games) and 50.21 seconds place her respectively sixth and joint eighth on the world all-time list.
She holds world bests over the 300 metres outdoors and indoors.
2020
Her sister is Shauntae-Ashleigh Miller, Miss Universe Bahamas 2020.
She completed her high school education at St. Augustine's College in Nassau and later attended the University of Georgia.
Miller-Uibo went on to win the gold medal again in the 400 m at the 2020 Olympics, held in Tokyo in 2021.
