[5] On 2 September the colt started 11/10 favourite when he was stepped up in distance for the 1600 metres Prix des Cadets on the synthetic Polytrack surface at Cagnes-sur-Mer Racecourse and won again, beating the filly Ballet de la Reine by one and a half lengths.
On his first run for his new trainer Marianafoot started 1.6/1 favourite for the Prix Jean de Tauriac over 1400 metres at Toulouse on 3 October and won by four and a half lengths from Diamond City.
[9] In early 2019 Marianafoot was sent to race in Qatar and on 22 February he was ridden by Boudot to a neck victory in the Irish Thoroughbred Marketing Cup over 1600 metres at Doha Racecourse.
[11] In February 2020 Marianafoot returned to Qatar for a second run in the Irish Thoroughbred Marketing Cup but was beaten a short head into second place by Stunning Spirit, sustaining a joint injury in the process.
He made his first appearance as a six-year-old on 15 January when started odds on favourite for a minor race over 1500 metres at Marseille Pont-de-Vivaux Racecourse where he was ridden by Orani and won by two and a half lengths from J'Aurais Du.
[16] On 26 April Marianafoot was stepped back up to Listed class and returned to the turf for the Prix Servanne over 1200 metres at Chantilly and started the 2.5/1 second favourite in a nine-runner field.
He has done it well so he is in great shape and we need to keep him like that to try to win a Group 1 with him.”[19] On 1 July, over the same course and distance, Marianafoot started 1.5/1 favourite ahead of Duhail in the Prix de la Porte Maillot on very soft ground.
[20] In the Group 1 Prix Maurice de Gheest over 1300 metres on soft ground at Deauville on 8 August, Marianafoot was partnered by Barzalona and went off the 8.9/1 third choice in the betting behind the joint-favourites Campanelle and Starman.
"[22] Reynier opted to give Marianafoot a break before bringing him back in autumn for the Prix de la Foret but the horse was withdrawn from the race owing to the unsuitable ground conditions.