How Temperature Affects Running Performance

According to Jeff Galloway’s own personal observations, here is a chart of how temperature affects running performance. Estimated temperature at finish…Slower than goal pace 55-60 degrees…..1% 60-65 degrees…..3% 65-70 degrees…..5% 70-75 degrees…..7% 75-80 degrees…..12% 80-85 degrees…..20% above 85…..forget it, run for fun *Source: Galloway’s Book on Running (1984) has a chart called “Adjusting race pace…