A sub-2:30 marathoner’s straightforward approach to staying ahead on carbohydrates, hydration, and energy when the miles start stacking up.
Fast-digesting carbohydrates for sustained training fuel
Electrolytes to support hydration during hard efforts
Portable fuel for the miles when you need it most

A sub-2:30 marathoner’s straightforward approach to staying ahead on carbohydrates, hydration, and energy when the miles start stacking up.
Fast-digesting carbohydrates for sustained training fuel
Electrolytes to support hydration during hard efforts
Portable fuel for the miles when you need it most

The gear matters. The fuel plan does too. Build yours around three simple jobs.
Use carbohydrates before and during the run to stay ahead of rising energy demands.
Replenish fluids and electrolytes lost through sweat as the effort and conditions demand.
Choose products you can carry, consume, and tolerate consistently throughout the run.
The gear matters. The fuel plan does too. Build yours around three simple jobs.
Use carbohydrates before and during the run to stay ahead of rising energy demands.
Replenish fluids and electrolytes lost through sweat as the effort and conditions demand.
Choose products you can carry, consume, and tolerate consistently throughout the run.
Three complementary ways to cover carbohydrates, portable fuel, and hydration.













(3,622)
$39.99



















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$44.99
CARBOHYDRATES + ELECTROLYTES FOR ENDURANCE TRAINING






















$39.99
3,622 CUSTOMER REVIEWS
Verified product feedback from endurance athletes using the stack in real training.
“This is my go-to fuel for all my endurance training. It was also the perfect fuel to get me through my first Ironman 70.3.” — Scott L., verified G.1.M Sport customer
“These gels are my go-to for marathon training. Easy on the stomach and great flavors.” — Andrea D., verified Go Gels customer
“These electrolytes are an integral part of my ultramarathon training. They get mixed in with G1M before all of my runs.” — Megan J., verified Electrolytes customer
Verified product feedback from endurance athletes using the stack in real training.
“This is my go-to fuel for all my endurance training. It was also the perfect fuel to get me through my first Ironman 70.3.” — Scott L., verified G.1.M Sport customer
“These gels are my go-to for marathon training. Easy on the stomach and great flavors.” — Andrea D., verified Go Gels customer
“These electrolytes are an integral part of my ultramarathon training. They get mixed in with G1M before all of my runs.” — Megan J., verified Electrolytes customer
Fuel early. Hydrate consistently. Keep moving when the miles stack up.
Fuel early. Hydrate consistently. Keep moving when the miles stack up.