MPHR Workout #112
SC, for time:
5k run, at 90 percent of current (<three months) personal record at distance; if no current time exists, run at 90 percent RPE

LC, for time:
10k run, at 90 percent of current (<three months) personal record at distance; if no current time exists, run at 90 percent RPE

U, for time:
13.1-mile run, at 90 percent of current (<three months) personal record at distance; if no current time exists, run at 90 percent RPE