[5] State Of Rest began his career with a win on 15 June 2020 in a Maiden event at Fairyhouse Racecourse over six furlongs running against 13 other runners, starting at 6/1 and defeating the favourite Giorgio Vasari by 1⁄2 length in a time of 1:13.75.

Starting at the odds of 21/1 State of Rest was shuffled back to mid-pace, but US Hall of Fame jockey John Velazquez got him settled and saved ground down the backstretch.

After racing together briefly with Soldier Rising who was making a quick move up the rail, State of Rest managed to push clear, winning on the firm turf in 1:53.35 by one length.

The trainer praised the owners, the manager Richard Ryan and Jim Coburn and also Mark Power and MJ Doran who travelled with horse and looked after State Of Rest for several weeks in preparation for the event.

[11] State Of Rest was to be nominated for the Group I VRC LKS MacKinnon Stakes but trainer Joseph O'Brien withdrew the horse opting to send him back to Ireland and the paddock for a spell.

[12] State Of Rest began his third campaign with a trip to France to contest the Group 1 Prix Ganay over 2100 metres at Longchamp Racecourse on 1 May when he was ridden by Shane Crosse and went off the fourth choice in the betting behind Skalleti, Sealiway and Mare Australis.

He raced fourth of the six runners before making steady progress in the straight, taking the lead 200 metres from the finish and winning by three quarters of a length from the outsider Pretty Tiger.

I think it’s a testament to the horse’s mind, his versatility and his constitution to travel as much as he has and keep performing.”[14] Three weeks after his win in France, State Of Rest started 2/1 joint favourite for the Tattersalls Gold Cup at the Curragh.

[15] The Group 1 Prince of Wales's Stakes over ten furlongs on good to firm ground on 15 June attracted a small but select field with the five contenders being State Of Rest, Bay Bridge, Shahryar, Lord North and Grand Glory.

"[17] On 14 August connections of State Of Rest entered him in the Group 1 Prix du Haras de Fresnay-le-Buffard Jacques le Marois at Deauville over the 1600-metre distance.