The Team Sky rider was down to ride the time trial and the road race at the British nationals in Lincolnshire this weekend, but withdrew from both events on Monday evening.
The thinking behind the decision, taken mutually according to Thomas and Sky, is that the events would be excessive given the proximity of the Tour and the rider’s recent exertions at the Tour de Suisse.
“Sadly, the call has been made to not compete at the Nationals this week,” Thomas wrote on his Facebook page. “It was a really difficult decision to make with the team, but it was felt that resting at home this week would be best. After such an intense week at the Tour de Suisse, both mentally and physically.