—Cool, flat conditions
HEAT-ADJUSTED RUNNING ANALYTICS
Hot Runs.
Honest Fitness.
Translate every hot run into your cool-condition equivalent, track heat accumulation and HR drift, and get real race predictions you can trust.
★★★★★
Trusted by runners in hot places
Cool-equivalent paceLoading snapshot…
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Current 5K estimate—Cool 5K estimate
—Temp
—Dew point
—Heat cost
Built for real conditions
Heat, humidity, wind, terrain and more—always factored in.
Honest performance
No more guesswork. Know your true fitness and race potential.
Smarter training
AI-powered guidance to help you train with confidence.
Race with confidence
Line up on race day knowing what you are truly capable of.
SEE THE TRUTH BEHIND THE HEAT
Your hot run.
Its cool-condition equivalent.
True Effort uses weather, humidity, wind and your physiology to show the effort behind the pace — and what it would have been in ideal conditions.
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Temp—
Humidity—
Dew point
Temp—
Humidity—
Dew point
Cool
ConditionsFlat
Course—
Heat cost
ConditionsFlat
Course—
Heat cost
UNDERSTAND THE HEAT
Know what changed.
And why.
Move beyond raw pace. True Effort separates heat strain, heart-rate drift, fatigue and real fitness so you can make better training decisions.
Heat is the limiter today.
High heat strain is costing time. Focus on hydration and heat adaptation.
Your fitness is trending up.
Heat-adjusted effort can reveal improving form even when raw pace looks flat.
Aerobic strength looks strong.
Sustained effort pace is improving. Consider a longer tempo this week.
RACE-DAY SCENARIOS
Plan for race day. Know your range.
Live values come from your latest saved True Effort model snapshot.
Stop guessing. Start training with clarity.
See the performance behind every hot run.