COMING UP: Don't miss Xfinity Monday Live, with special guest Rockies pitcher Chad Bettis. Watch it on CBS4 at 6:30 p.m. or head to ViewHouse Centennial to see it live!
What Causes Runner's High?Kira Musgrove says it was like, "A burst of energy, you could run forever." She got that extra push from a runner's high. A feeling of floating as some have described it.

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