Altitude Adjustment Calculator
Calculate how altitude affects your running performance. Convert times between sea level and high altitude venues. Essential for track and field athletes competing at venues like Albuquerque, Flagstaff, Boulder, or Mexico City.
Race Venue
Race Distance
Enter your altitude race time and the sea-level equivalent appears here.
sea-level time = altitude time ÷ factor(altitude, distance)
(empirical quartic fit in ln(altitude) and ln(distance) — no adjustment at or below 750 m)Individual altitude response varies widely with acclimatization, event duration, and genetics — treat the adjustment as a typical value, not a personal guarantee.
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