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//LIGHT AND HUMAN PERFORMANCE
How elite sport uses light.
Light is becoming a performance variable. Learn how athletes use it to train, recover and perform.
FTP412 W+3% 30D
LACTATE THRESH.4.0 mMSTEADY
SLEEP7h 5292 SCORE
RECOVERY94%PRIMED
LIGHT DOSE1840 lxAM PEAK
CIRCADIANALIGNEDΔ 0.2h
//EXPLORE THE DATABASE
Tools to train, recover, and perform adapt with light.
UPDATED JUNE 2026
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//LATEST
Light and athletic performance.
DR ALFIE GORDON
PERFORMANCE SCIENTIST · EDITOR
Sun Endurance is an independent publication for athletes who take light seriously.
Alfie Gordon