Figure 9From: Age and ultra-marathon performance - 50 to 1,000 km distances from 1969 – 2012 Performance ratio in running speed between the winner and the 10th place expressed as the percentage of the winners’ time in 50 km (Panel A), 100 km (Panel B), 200 km (Panel C) and 1,000 km (Panel D) ultra-marathons. Back to article page