FREE TOOLS
Measure. Understand.
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Measure. Understand.
Progress.
11 simple tools to turn your goals into useful numbers.
Prepare your start. Build your confidence.
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CHOOSE YOUR TOOL
Everything you need to prepare your race.
PACE⏱️
Pace converter
Time, distance, pace.
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VMA⚡
VMA calculator
Estimate your VMA.
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RACE TIME🏁
Race predictor
Project a race time.
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MARATHON42
Marathon pace
Goal → pace.
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HEART RATE❤️
Heart-rate zones
Zones from your max HR.
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UNITS↔️
Miles, km and speed
Quick conversions.
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SPLITS🧭
Split times
See your splits.
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STRATEGY📉
Negative split
Plan your second half.
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TREADMILL🏃
Treadmill and grade
Speed, pace and grade.
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PLAN💧
Hydration
Your target × duration.
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PLAN🍌
Carbohydrates
Your fueling plan.
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FREE. FAST. USEFUL.
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