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Glossary

Running Effectiveness (RE)

Running Effectiveness (RE) is a metric introduced by Dr. Andrew Coggan calculated as the ratio of speed to power. The greater its value, the more 'effective' the runner is at converting external power into speed. Novice or fatigue runners may have lower values since they do not travel as fast for a given power output or must generate more power to achieve the same speed.

RE [kg/N] = Speed [m/s] / Power [W/kg]

Rating

On flat terrain with good running conditions.

… < RE < 0.99 – below average
0.99 < RE < 1.01 – near average
1.01 < RE < 1.05 – good
1.05 < RE < … – likely the realm of elite world class runners

References

Palladino, S.: Understanding Running Effectiveness and Its Uses
Running with Power Revisited - Advanced Analysis with Steve Palladino | EP#93

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