ray-splits-chartPublished June 2, 2014 at dimensions 322 × 270 in Marathon Splits for a Single Runner. Next → https://www.y42k.com/wp/wp-content/uploads/2014/06/ray-splits-chart.jpg https://www.y42k.com/wp/wp-content/uploads/2014/06/ray-splits-w-head-825x1024.jpg