The Revenant began his racing career in a novice race (for two-year-old horses for no more than two previous wins) over one mile at Haydock Park on 7 September in which he started at odds of 11/2 and recovered from a poor start to win by three quarters of a length from Global Conqueror and nine others.[5] On 1 October at Epsom Downs Racecourse he started favourite for a minor event over eight and a half furlongs and finished third behind Dee Ex Bee and Move Over.
In 2018 The Revenant was transferred to the French stable of Francis-Henri Graffard at Chantilly. On 23 September he made his French debut in a minor race over 1700 metres at La Roche Posay Racecourse, Vienne, and won by three lengths.[6] In this race he wore a hood for the first time and was equipped with headgear in most of his subsequent races. He then finished second to Aviateur over 1600 metres at Compiègne on 15 October before winning over the same distance at Marseille two weeks later. He was ridden in both races by Pierre-Charles Boudot who became his regular jockey and who was again in the saddle when The Reveneant ended his season with a victory in the Prix Gay Mecene on very soft ground at Saint-Cloud Racecourse in November.[7]
Before the start of the 2019 season The Revenant was gelded, making him ineligible to compete in France's two biggest mile races, the Prix Jacques Le Marois and the Prix du Moulin. He began his campaign with a step up in class for the Listed Prix Altipan over 1600 metres on heavy ground at Saint-Cloud on 10 March when he started the 2.4/1 favourite and won by two and a half lengths from the five-year-old mare Qualisaga after taking the lead 200 metres from the finish.[8] Twenty days later, over the same course and distance, he was moved up to Group 3 level for the Prix Edmond Blanc and started the 3/1 third favourite behind Graphite (winner of the Prix Quincey) and Olmedo (Poule d'Essai des Poulains). Ridden by Olivier Peslier he raced towards the rear before finishing strongly to take the lead in the final strides and won by a head from Graphite and Lunch Lady.[9]
In May The Revenant was sent to Germany to contest the Group 2 Badener Meile at Baden-Baden in which he was ridden by Ronan Thomas and went off the 2.2/1 second choice in the betting behind the Irish challenger Imaging (Gladness Stakes). After being restrained towards the back of the nine-runner field he produced a strong late run, overhauled the favourite in the last 100 metres and won by half a length.[10]
After a break of over four months The Revenant returned on 5 October for the Group 2 Prix Daniel Wildenstein over 1600 metres on very soft ground at Longchamp Racecourse and went off the 3.2/1 fourth choice behind Olmedo, Impulsif (Prix Messidor) and Shaman (Prix La Force) in a five-runner field. He tracked the leaders before going to the front approaching the last 200 meters and drew away to win "readily" by four and a half lengths.[11] Ten days later The Revenant made his first appearance in his native England for more than three years when he contested the Group 1 Queen Elizabeth Stakes at Ascot Racecourse and finished second of the sixteen runners, one and a quarter lengths behind the winner King of Change, after being denied a clear run inside the final furlong.
In the 2019 World's Best Racehorse Rankings The Revenant was rated on 119, making him the 57th-best racehorse in the world.[12]
The 2020 flat racing season in Europe was disrupted by the COVID-19 pandemic: most of the major spring races were either cancelled or rescheduled and subsequent events were held behind closed doors. The Revenant was reserved for an autumn campaign and did not make his seasonal debut until 3 October when he attempted to repeat his 2019 success in the Prix Daniel Wildenstein and started the 0.7/1 favourite against six opponents. He was restrained towards the rear of the field by Boudot before gaining the advantage 200 metres out and winning by one and three quarter lengths from the three-year-old Ziegfeld.[13]
As in the previous year, The Revenant attempted to follow up his success at Longchamp in the Queen Elizabeth II Stakes on 17 October. He started the 5/1 second favourite behind Palace Pier in a fourteen-runner field which also included Circus Maximus, Nazeef, Lord Glitters, Veracious, Century Dream (Celebration Mile) and Molatham (Jersey Stakes). He was in contention from the start, moved up to challenge for the lead in the last quarter mile and got the better of a sustained struggle with the front-running outsider Roseman to win by a head.[14] After the race Graffard said "it was a magnificent performance, the horse was brilliant... This has been the plan ever since he was second last year, and everything was geared around coming back. I had him ready to run in the spring, but when lockdown came I decided to send him out to grass and he had a good spell", while Boudot commented "Today I was very confident with his trainer, and the horse did it well on the track. He loved the ground and the trip has been perfect... and when I asked him, he gave me a nice and long turn of foot. He has been courageous in the last furlong."[15]
In the 2020 World's Best Racehorse Rankings, The Revenant was rated on 119, making him the equal 57th best racehorse in the world.[16]