Events 5k, American History, bib, body glide, cadence, chip time, Civil War, clock time, coach, cool down, corral, cross country, cross training, exercise, fartlek, fitness, fkt, foot strike, form, gels, glycogen, hardware, health, history, jogging, medal, medals, nutrition, outdoors, pace, park, pb, pr, route, run, runner, runners high, speedwork, splits, strides, surge, tempo run, trail, training, walk, walker, warm-up, wellness 8th Annual Breakthrough Trail 5K 2021 Breakthrough Trail 5K