He’s enjoying some downtime in St Barts ahead of the 2021 Formula One World Championship. Yet George Russell proved he was still keeping fit as he headed out paddleboarding with girlfriend Carmen Montero Mundt on Sunday. Soaking up the sunshine on the Caribbean island, the F1 ace, 22, seemed calm and content following an exciting season that saw him stand in for Lewis Hamilton. Clad in a pair of black swimming trunks, George strode along the shore with a heart rate sensor strapped to his chest. His girlfriend Carmen, who is believed to work in Business Management, looked sensational in a plunging black swimsuit. The chic one-piece – which was adorned with silver tassel – showcased her enviably toned and sunkissed physique in the garment. George was no doubt enjoying some rest after an exciting end to the 2020 F1 season last year when he for Mercedes in place of Hamilton, who had tested positive for coronavirus.Recently-crowned world champion Hamilton, 35, was ruled out of the penultimate round of the Formula One championship, the Sakhir Grand Prix, after contracting the virus.’Very few people are lucky enough to drive for an @F1 team each year and I’m about to get the chance to drive for two,’ George penned on Twitter. George’s career has been backed by Mercedes since 2017 and he is effectively on a three-year loan at Williams, for whom he raced in last Sunday’s Bahrain Grand Prix. He added: ‘Unbelievably grateful to Williams and Mercedes for this opportunity.’Mercedes team principal Toto Wolff said: ‘First and foremost, I wish to thank our loyal partners at Williams for their collaboration and open-mindedness in making it possible for George to race for Mercedes this weekend. ‘The conversations with the team at Williams were positive and pragmatic and those were the key factors in reaching an agreement.’It will not be a straightforward task for George to make the transition from the Williams to the W11, but he is race-ready and has detailed understanding of the 2020 tyres and how they perform on this generation of cars.’George has shown impressive form this year with Williams, playing an instrumental role in their climb up the grid, and I am optimistic that he will deliver a strong performance alongside Valtteri [Bottas], who will be a demanding reference for him. ‘This race will mark a small milestone for us, as we see a member of our junior programme compete for the works Mercedes team for the first time.’We have a job to do this weekend, and the full focus of our sporting efforts will be behind Valtteri and George in order to maximise our points score as a team.’The 2021 Formula One World Championship will kick off in March with the Bahrain Grand Prix, with Hamilton the reigning champion.