What is the mandatory gear for the Trail en Côte-Rôtie?

The mandatory gear for the Trail en Côte-Rôtie comes down to four items: a charged phone, a survival blanket, a headlamp and a reusable cup. The three trail races are run in semi self-sufficiency, with no cups at aid stations. With starts between 2pm and 6pm in mid-October, the Trail en Côte-Rôtie headlamp gets switched on quickly: you often finish at night.