Marathon Training Update-Apr 8

Wed- 4 mile jog with Sumo, then 10 x 400 (approx) on the trail with a 60 second recovery. .5 mile cool-down. This was a good workout for me- faster leg turnover, faster running speed, and deeper oxygen debt than the 800s. The theory is that a few of these workouts will improve my 800s, and eventually my ability to maintain a slightly faster marathon pace. 7 miles