Join the beta
Start estimating and tracking your heat adaptation
Athlete
Track your own heat adaptation.
Coach
Request coach access for review.
Fitness level
Beginner
Newer to structured endurance training with a lighter weekly workload and shorter steady sessions.
Intermediate
Consistent endurance training base with moderate run or ride volume across the week.
Advanced
Strong training base with regular quality sessions and higher weekly training volume.
Elite
High-performance athlete with dense training load, frequent high-intensity work, and strong competitive conditioning.
Required consents
SWELTR is an educational calculator and tracking tool. It does not provide medical advice, diagnosis, treatment, or prescriptions.
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