Figure 1. Eliud Kipchoge’s pacing splits for the 2018 (a) and 2022 (b) editions of the Berlin Marathon . The average velocity for each 5-km segment of the race is represented by the blue lines, and the global average velocity is represented by the red line

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