Mark Cavendish lost his lead in the Tour of Spain to Philippe Gilbert on Monday.
The Manx missile struggled in the sultry conditions in the 157.3km (97.7-mile) run from Marbella to Malaga and he was left trailing by the peloton.
Cavendish dropped to 138th in the 21-stage race, which ends on September 19.
Fellow Manxman Peter Kennaugh is 180th overall.
LIVE: 2026 Commonwealth Games
Live coverage from Glasgow from 23 July to 2 August
CWG: Busy day for Team Isle of Man in Glasgow
Manx records broke by Isle of Man's swimmers
Cycling event to bring road closures
Gran Fondo returns this weekend with new off-road format
DoI apologises for motorsport fees error
The chairman of Manx Auto Sport says the club accepts an error was made