High School 2013 As a freshman, Holloway competed indoors for Grassfield High School as a hurdler and jumper, as well as running on relays. At the 2013 Virginia Indoor State Championship, Holloway finished fourth in the 55 meters hurdles with a time of 7.47 s, second in the high jump in 6' 7", and ran legs on the fourth placed 4 × 200 meters relay and fifth placed 4 × 400 meters relay. Outdoors, Holloway amassed season bests of 14.42 s in the 110 m hurdles, 38.52 s in the 300 m hurdles, 6' 11" in the high jump, and 21' 3.75" in the long jump; he did not compete at the state or national meet.
2014 Holloway began to compete at national elite level as a hurdler in his sophomore year. Indoors, he won state championships in the 55 meters hurdles (7.54 s) and the high jump in 6' 10", whilst also finishing third in the 300 meters and fourth in the long jump in 22' 0.25". Holloway then competed at the New Balance Indoor Nationals; where he finished third in the Elite 200 m in a time of 21.93 s and second in the championship 60 meters hurdles in 7.93 s behind Isiah Moore. Notably, Holloway won every 55 meters / 60 meters hurdles race he ran that year except for the aforementioned 60 m hurdles final (as well as the semifinal) at the national meet. After those losses to Moore, Holloway began an ongoing undefeated streak in the 55 m and 60 m hurdles indoors. He also finished 11th in the long jump and ran the second leg on Florida's 4 × 400 m relay team that finished 2nd.
Outdoors, he won the 110 m hurdles, finished 2nd in the long jump and anchored Florida's 4 × 400 m relay team to 4th place. He also ran the third leg on their 4 × 100 m team throughout the season. Holloway competed in the
US Championships, finishing fourth in the 110 m hurdles in 13.39 s.
2018 . Prior to setting the NCAA and American record in the 60 m hurdles, in February he set the NCAA record with a 7.42 s clocking at the Clemson Tiger Paw Invitational, beating and taking the record away from Olympic champion in the 110 m hurdles
Omar McLeod. On 10 March, he defended NCAA title in 7.42 seconds, equalling his collegiate record. This year, he finished second in the long jump and Florida finished third in the 4 × 400 m relay with his help on the second leg. At the
NCAA Division I Outdoor Championships, Holloway retained his 100 m hurdles, running 13.42 s to narrowly beat
David Kendziera by 0.01 s. He also finished 9th in the long jump, ran the 2nd leg on the 4 × 100 m team that finished third, and anchored Florida to fourth place in the 4 × 400 m. At the
NCAA Division I Championships, Holloway retained his 110 mH title, his time of 12.98 s broke the 40-year old NCAA record held by
Renaldo Nehemiah. He also helped his team to win the 4 × 100 m relay, and finish second in the 4 × 400 m relay. Holloway won the 110 m hurdles at the
Gyulai Istvan Memorial on July 9, in a time of 13.16 s, his first race on the European circuit. At the
US Championships, he finished second behind Roberts, running a time of 13.38 s. At the
World Championships in
Doha, he won gold in the 110 m hurdles, running a time of 13.10 s to beat
Sergey Shubenkov into second.
Professional 2021: Olympic silver Holloway set the 60 m hurdles world record on February 24, 2021, at the conclusion of the
World Athletics Indoor Tour in
Madrid, beating
Colin Jackson's 27-year-old world record of 7.30 s by one hundredth of a second. Holloway had previously matched his
American record of 7.32 s in the heats, already the #2 all-time performance going into the meet, before winning the final in 7.29 s. His victory in the final also made him the overall winner of the 2021 World Indoor Tour in the 60 m hurdles. He made his outdoor pro debut at the
Miramar Invitational on April 10, winning the 110 m hurdles final in a
wind-assisted (+2.2 m/s) 13.04 s, his fastest opening performance in the event. On June 26, at the
US Olympic trials, he set a new personal best of 12.81 s in the semi-finals of the 110 m hurdles, the second fastest time in history and only 0.01 s behind
Aries Merritt's world record of 12.80 s. He went onto win the final in 12.96 s. At the
2020 Olympics in
Tokyo, Holloway won silver in the 110 m hurdles, finishing behind
Hansle Parchment in 13.09 s.
2022: World indoor and outdoor titles . At the
World Indoor Championships in
Belgrade, Holloway won gold in the 60 m hurdles in 7.39 s. He had previously equalled his world record of 7.29 s in the semi-finals. On 17 July, at the
World Championships in
Eugene, he won gold in the 110 m hurdles, running a time of 13.03 s. Holloway picked up his first career
Diamond League win on August 10, winning in
Monaco with a new seasons best of 12.99 s. On September 4, he won at the
ISTAF Berlin meet, in 13.05 s. At the
Diamond League Final in
Zurich on 26 August, he won his first Diamond League title, in 13.02 s.
2023: Second world outdoor title On 4 February, Holloway won over 60 mH at the
New Balance Indoor Grand Prix, running a time of 7.38 s. At the
Meeting Hauts-de-France Pas-de-Calais on 15 February, he picked up another win, running 7.39 s. On 25 February, at the
Birmingham Indoor Grand Prix, he won the 60 m hurdles in a world lead of 7.35 s. . Holloway won at the
Atlanta City Games on 6 May, running a time of 13.01 s. On 4 June, he won at the
FBK Games, in a meeting record of 13.03 s. At the
Paris Diamond League, he won the 110 m hurdles in a new world lead of 12.98 s. He won at the
London Diamond League on 23 July, running 13.01 s, holding off
Shunsuke Izumiya by 0.05 s. . At the
World Championships in
Budapest, he gold in a time of 12.96 s, he became the second man to win three consecutive 110 m hurdles titles after
Greg Foster. On 17 September, at the
Eugene Diamond League, he finished second behind
Hansle Parchment.
2024: Olympic champion On 10 February, Holloway won over 60 m hurdles at the
Meeting Hauts-de-France Pas-de-Calais in
Liévin, running a world leading time of 7.32 s in the final. At the
US Indoor Championships, he bettered his own world record in the heats, running 7.27 s. He did not contest the final as a result of being the reigning champion. On 2 March, at the
World Indoor Championships in
Glasgow, he won gold, running an equal championship record time of 7.29 s, the second fastest time in history. At the
U.S. Olympic trials, Holloway placed first in 12.86 s, his second fastest time ever. The race marked the first time three men had gone under the 13-second barrier in one race. On 12 July, Holloway won at the
Monaco Diamond League, running 13.01 s. At the
Summer Olympics in
Paris, Holloway won gold in the 110m m hurdles final in 12.99 s. On 22 August, in his first post-Olympic race, Holloway finished second behind
Rasheed Broadbell at the
Lausanne Diamond League, running a time of 13.14 s behind Broadbell's 13.10 s. At the
Silesia Diamond League on 25 August, he returned to winning ways, running 13.04 s. Holloway won the
Zurich Diamond League on 5 September with a time of 12.99 s.
2025: World indoor champion At the
World Indoor Championships in
Nanjing, Holloway won his fourth consecutive title in the 60 m hurdles, running a time of 7.42 s. On 19 April, in his first outdoor race of the season, he finished second at the Tom Jones Memorial, running 13.18 s to finish behind
Trey Cunningham, who ran 13.09 s. Holloway competed at the
Xiamen Diamond League on 26 April, finishing tenth in the 110 m hurdles in 13.72 s. At the
Paris Diamond League on 20 June, he finished fifth in 13.11 s. On 16 August, he finished second behind
Cordell Tinch at the
Silesia Diamond League, running a time of 13.15 s. At the
World Championships in
Tokyo, Holloway was a shock exit in the semi-finals as he finished sixth and didn't qualify for the final. ==Awards and recognition==