VDOT Calculator - What pace should easy runs, tempo runs and track repeats be after a 24:06 5K? Turn one recent race into Jack Daniels VDOT and five training paces per mile, per km and per 400 m lap.
Half Marathon Splits Calculator - Mile-by-mile splits for any half marathon goal from 56 minutes to 4 hours: even pace, a negative split or a slower first 5K, every mile, kilometer or 5K, with the gap to even pace at each marker.
Tanda Marathon Predictor - Predict a marathon finish time from the last 8 weeks of training: weekly mileage and the average pace of every run, with Tanda's formula, in miles or kilometers, plus what 10 more miles a week would buy.