Mountain Run Fueling Calculator

Estimate carbs, calories, fluid, and sodium for long mountain efforts.

Built for mountain endurance where health, mental clarity, and sustainable performance matter as much as speed.

Athlete Profile

Click to import athlete profile (.md)

Personal Details

Name optional

Sex

Age

Weight

Height optional

Experience & Physiology

Experience Level

Sweat Profile

GI Sensitivity

Primary Goal

Caffeine Tolerance

Sweat Rate ml/hr

Sodium Loss mg/L

Run Name optional

Duration & Elevation

Expected Duration

hrs

min

Elevation Gain (ft)

Low Elevation (ft)

High Elevation (ft)

Conditions & Terrain

Temperature

Sun Exposure

Terrain Difficulty

Effort Level

Aid / Refill Availability

Preferred Fuel Type

Real Food Tolerance

Sodium Source Preference

Fueling Reminder Interval

Pack Container Type

Pack Fluid Capacity ml

Fill in your profile and run details,
then click Generate Fueling Plan.