Running intervals 35:00 [4] 8.0 km (4:23 / km) +80m4:10 / km ahr:146 max:158 shoes: Adidas Boston
5 minute warm up then 4x5mins at threshold (15.5k/h) on the treadmill, with 2min recoveries, followed by 4min warm down. Gradually edging the pace upwards....