2025 Summer Mileage, August 21, 2025, Week 7, Day 4, Fartlek and hills for Thursday

2025 Summer Mileage, Week 7, Day 4, August 21, 2025, Thursday is all about the hard days!  Thursday, warm-up, 70 minutes, 30 minute fartlek, 15 times 1 minute hard, 1 minute easy, 4 x five minutes of hills, five minutes easy, cool-down. In this hot weather, remember to hydrate. 2-3 liters a day of water, […]