Prediction of running performance from maximal oxygen debt and intake

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Abstract
The relationship between estimates of maximal oxygen debt, aerobic power, 100-yard sprint, and 2-mile run times were studied in 35 college men, mean age 21.4 years. The estimated max debt averaged 4.89 liters net, maxVo2 intake was 3.34 1/min, 2-mile time was 13.73 min, and the 100-yard sprint time was 12.4 sec. Substantial individual differences in the performance scores and oxygen measures were established by reliability coefficients. The correlation of 2-mile performance was r=.31 with max debt and .55 with maxVo2. The multiple correlation to predict running performance was .57 using debt and maxVo2; adding the body weight variable increased R only slightly to .58. For the 100-yard sprint, the correlation was -.01 with max debt and -.10 with maxVo2; the multiple correlation to predict 100-yard sprint time of .20 was not improved by adding body weight. Evidently effective prediction of individual differences in 2-mile running and sprint performances requires more than measured values of max debt and aerobic power (maxVo2 ). Psychological factors such as motivation and pain tolerance are probably important.

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