By the time Fulshear’s Christian Chukelu stepped onto the runway for his senior season, he wasn’t chasing a record; he was wrestling with a decision. After years of frustration, injuries, and unmet expectations, the 6-foot-6 high jumper had quietly begun to question whether he even belonged in track anymore. One conversation. One last chance. One leap changed it all. “As a freshman, I didn’t understand the gravity of jumping 6-6,”Christian Chuke…