To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. Fig. 1 Sample images of foot strike patterns: (a) rearfoot strike (b) midfoot strike and (c) forefoot strike. Both (b) and (c) were coded as non-rearfoot strike. Fig. 2 Race completion time for participants grouped by change in foot strike patterns between the 3 km and 13 km checkpoints. RFS: rearfoot strike; NRFS: non-rearfoot strike.