Your race-day plan, dialed to the mile

Pacing and fueling strategies built for the actual course.

FuelCenter builds personalized race strategies for runners. Set your goal time, select your carb intake, and get a mile-by-mile plan with elevation-adjusted splits and fueling timed to the course.

Build Your Race Strategy →Open Fueling Calculator
BostonNYCChicagoBerlinLondonTokyo
Marathon · 26.2 mi
Goal Finish Time3:30
Carbs / hour
60g
Gels needed
6
Target pace
8:01/mi
Open full fueling calculator →
Powerful Tools

Everything you need for race day.

Explore all tools →
Fueling Calculator
Dial in carbs, fluids, and gel timing for any race duration.
100
g carbs / hr
Pace Calculator
Find the right pace for your goal across any distance.
6:52
per mile
Race Guides
Course breakdowns, elevation, and strategy for majors.
10+
courses
Heat Adjustment
How temperature and humidity affect pace and fueling.
+8%
pace adjust
Race Time Predictor
Predict your finish time from a recent race result.
3:00
projected
Gel Comparison
Compare gels by carbs, sodium, price, and value.
40+
gels compared

Race-specific strategies

Course-specific plans for Boston, NYC, Chicago, Berlin, London, and Tokyo.

View all races →
Boston
Conquer the hills. Own the marathon.
26.2 MI →
New York City
Five boroughs. One unforgettable race.
26.2 MI →
Chicago
Fast, flat, and wind-tested.
26.2 MI →
Berlin
Record ready. From start to finish.
26.2 MI →
London
Iconic streets. Strong finish.
26.2 MI →
Tokyo
Precision, passion, personal bests.
26.2 MI →
How It Works

Three steps to a better race.

1
Pick your race
Choose your distance and course — or plan a training run.
2
Set your goals
Enter your goal time, pacing strategy, and gel brand.
3
Get your full race plan
Mile-by-mile splits, gel timing, and hydration targets. View it on your phone, save it, or print it — no signup required.

From the blog

Race Strategy

Twin Cities Marathon Fueling Plan: Mile-by-Mile Strategy

The on-course Nuun is nearly carb-free, and the Summit Avenue climb waits until mile 20.

Read article →Race Strategy

Portland Marathon Fueling Plan: Mile-by-Mile Strategy

No flat loading window after mile 8, backwards aid station spacing, and an easy caffeine double.

Read article →Race Strategy

Marine Corps Marathon Fueling Plan: Mile-by-Mile Strategy

Why the on-course Nuun is nearly carb-free, the mile 1 gel, Hains Point, and how to fuel Beat the Bridge.

Read article →Marathon Fueling

Marathon Race Week Fueling Timeline: 72 Hours to the Start Line

Carb loading targets, the night-before dinner, race-morning breakfast timing, and the last 15 minutes before the gun.

Read article →Performance

Cold-Weather Marathon Fueling: How to Eat and Drink When It’s 30 to 45°F

Cold blunts thirst, triggers diuresis, and thickens gels. Fluid, sodium, and carb targets by temperature band.

Read article →Marathon Fueling

Caffeine on Marathon Race Day: Dose, Timing, and Which Gels to Use

Dose by body weight, when to take the caffeinated gel, and the verified caffeine content of every major gel.

Read article →
View all articles

Fuel smart. Run strong.

FuelCenter gives you the tools. You bring the effort. Let's make race day your best day.

Build Your Race Strategy →