Don't run dry.
There's a point in every long effort where output stops being about fitness and starts being about fuel. The legs are willing. The tank isn't. That's where most athletes either bonk or reach for something that sits in their gut like a brick.
REFUEL+ is the performance refuel for that window — clean, fast-absorbing carbohydrate and balanced electrolytes that keep you moving through the back half and set up the recovery that makes tomorrow possible.
The longest sessions are won in the second half. Only if you've got something in the tank.