Junior Hurdles Guide Hurdles are a great part of athletics. If they're given the correct guidance, children love the challenge and sense of exuberence that hurdling can generate. And it's even better when the layout and setup of your hurdles is just right. Here's a guide for doing exactly that! Boys Hurdles Age Distance Approach Spacing Height Imperial Metric U13 75m 11.5m 7.5m 2ft 6in 0.76 U15 80m 12m 8m 2ft 9in 0.84 U17 100m 13m 8.5m 3ft 0.91 U20 110m 13.72m 9.14m 3ft 3in 0.99 Senior 110m 13.72m 9.14m 3ft 6in 1.07 The guidelines are slightly different for girls hurdles. Girls Hurdles Age Distance Approach Spacing Height Imperial Metric U13 70m 11m 7m 2ft 3in 0.69 U15 75m 11.5m 7.5m 2ft 6in 0.76 U17 80m 12m 8m 2ft 6in 0.76 Senior 100m 13m 8.5m 2ft 9in 0.84 Get the set up right and your hurdles events will be that much more rewarding.