Trail Run47:32 3.14 mi (15:08 / mi) +177m12:53 / mi ahr:127 max:167 shoes: NB Summit KOM
South Mountain in Bethlehem (Star Village). 5 x 60sec hills. About 15m climb for each hill. Plus warm-up and cooll-down, which also had some hills. Temp in the low 80s.