Fernando Alonso has used the rare five-week lull in Formula 1's 2026 calendar to climb back into a prototype, completing a test in Aston Martin's Valkyrie AMR-LMH hypercar this week and revisiting a form of racing he has openly missed.
The two-time World Champion shared photographs from the run on social media, describing it as both a throwback and a reset after a bruising start to his Aston Martin F1 season.
"Great day and always good to relive the prototype years! Incredible experience and an amazing sound," Alonso wrote, captioning the test images.
He also labelled the outing as an "Aston Martin UNLEASHED track experience," a nod to the program that has kept the British marque's Le Mans project visible between WEC rounds.
The Valkyrie AMR-LMH is one of the most distinctive cars in the Hypercar class — a road-born platform reshaped for endurance racing with input from Adrian Newey, whose long-term future has increasingly been tied to Aston Martin's motorsport push. Newey's fingerprints on the Valkyrie go back to the original roadgoing hypercar, but the LMH variant has undergone a comprehensive rework to comply with FIA technical regulations before entering full-time competition.
For Alonso, the appeal is more than nostalgic. He won the 24 Hours of Le Mans in 2018 and 2019 with Toyota and lifted the WEC drivers' title in 2018/19, and he has said repeatedly in recent seasons that he remains open to another endurance cameo if the right opportunity arrives. A test with the Aston Martin LMH project — even an informal one — plants the seed for exactly that conversation.
The timing is no accident. Formula 1 is on its longest mid-season break of the year between the Saudi Arabian and Miami Grands Prix, a five-week window that gives drivers a rare chance to duck into other projects. Alonso's Aston Martin team-mate, Lance Stroll, has been recovering from pre-season fitness work, while most of the F1 paddock is either holidaying or running marketing commitments.
No racing commitment flows from the test. Aston Martin's Valkyrie programme in the WEC remains in a consolidation phase after its 2025 debut, and the manufacturer has yet to confirm any extra entries beyond its current works drivers. But placing Alonso — still one of the most recognisable names in motorsport — in the cockpit of its flagship endurance car is a statement in itself, both to would-be customers and to the paddock at large.
If the Aston Martin F1 project remains mid-grid for the rest of 2026, Alonso's options could narrow quickly. An endurance sabbatical, a Le Mans guest slot or even a full-time WEC seat have been part of his public musings for the past 12 months. Whether Newey's Valkyrie is the key that unlocks one of those paths is now an open question — and the photos of a grinning Alonso strapped back into a prototype suggest the answer is not an outright no.
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