BPN Athlete lawrence_char hitting some hill sprint repeats in Boulder CO - Charlie is looking to Prove himself right this year at grandmasmarathon with a sub 63 minute Half Marathon which would qualify him for the Olympic Trails 💯💯 How are you Proving Yourself Right this year? . . . . . . #proveyourselfright #marathon #bpn #sprints #colorado #marathonmotivation #marathontraining