Road Run intervals 33:34 3.41 mi (9:51 / mi) +11m9:45 / mi ahr:134 max:159 shoes: New Balance 880
Road intervals. 4 x 400m with 90 sec recovery. Mostly flat section of road. I think the first and third were slightly downhill, second and fourth slightly uphill. Sunny and upper 70s, so pretty warm.