Is pushing the middle sled pole with ... from form tips, to what weight to use on the sled, what the benefits are, and what muscles it works. So, ahead of London HYROX, I asked F45 Global Athlete ...

What: Push weighted sleds, challenge yourself, and make a direct impact on your community. How: Teams of 4–10 people will complete as many 30-yard sled reps as possible in 30 minutes.