Recent best paces
Enter best current times for known distances under equivalent conditions.
Race targets
Marathon targets
Critical pace can be sustained for ~1:30 before physiological factors cause additional slowdown. Elite athletes complete marathons in ~2:00 at ~96% of critical pace. A lower percantage of critical pace can be sustained over longer durations.
| % critical pace | Pace | Marathon Time |
|---|
D' = ???
Critical speed = ???
Prescribed training
Choose intervals between 90–300 s (1:30–5:00).
| × 3 @ 80% D' | × 4–5 @ 60% D' | × 12? @ 40% D' | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Interval | Pace @ 100% | pace | time | float | pace | time | float | pace | time | float | Choose intervals between 90–300 s (1:30–5:00) |
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References and further reading
Full sources and details will follow here soon
Pettitt, R. W. (2016), "Applying the Critical Speed Concept to Racing Strategy and Interval Training Prescription".
Int J Sports Physiol Perform
doi:10.1123/ijspp.2016-0001