Race Prediction Calculator

Predict your race times for any distance based on recent performance

Recent Race Performance

Race Distance (km)

Finish Time

Hours

Minutes

Seconds

Your VDOT

Jack Daniels' running score

38.3

Base Performance

25:00

5 km @ 5:00/km

Race Predictions

5K(5 km)

25:00

5:00/km

10K(10 km)

52:07

5:13/km

15K(15 km)

1:20:07

5:20/km

Half Marathon(21.0975 km)

1:55:00

5:27/km

Marathon(42.195 km)

3:59:47

5:41/km

50K(50 km)

4:47:02

5:44/km

100K(100 km)

9:58:27

5:59/km

Training Paces

Easy/Long

65-79% effort

6:30/km

Marathon Pace

80-85% effort

5:30/km

Threshold

88-92% effort

4:51/km

Interval

95-100% effort

4:30/km

Repetition

105%+ effort

4:06/km