Mark's 30 second challenge -- part 4
By Ray Simpson
This week -- sprints
Here's the latest in our 30 second challenge with Mark Thistlethwaite, the Darlington FC fitness coach.
This week, it's sprinting -- impress your neighbours in the process, like Mark has.
Here's his intro:
Mark says "4x60m sprints, Remember to warm up thoroughly...rest time is walk back to start...record times and add them up.. "
Send us your attempts on media@darlingtonfc.org