Figure 4. Total race time as a function of protected running speed, , for multiple values

From

Against Negative Splitting: The Case for a Counterintuitive Pacing Strategy for Elite Marathon Athletes in Official Events

G.D. Fernandes, Victor Maldonado

American Journal of Sports Science and Medicine. 2024, 12(1), 1-6 doi:10.12691/ajssm-12-1-1