Try this 20 min circuit to improve upper body strength for running

Track Athlete doing explosive push ups

AMRAP - As Many Rounds as Possible in 20 mins

1-2 mins rest between rounds

10 Pike Press ( you can use a step)

30 - Sec Dead Hang

10 - 15 Reverse Pull Ups ( Bar or TRX Straps)

10 - Front Raise (Weight Plate or Band)

10 - 15 Close Grip Push Ups

10 - Ab Roller