Jackson Braddock seems to be staking a claim as one of Southern Regional High School’s boys cross-country program’s best runners in its history. To date, the onlyobstacles that have slowed the standout junior have been injuries. But now that he’s running at 100percenthealth, not even cold weather can slow him, as evidenced by his first-place finish in the NJSIAA South Jersey Group IV championship meet on Nov. 9

On what was a chilly day, Braddock was victorious on the 3.1-mile course at Delsea High School, clocking a time of 15…