John O'Regan on Twitter: "Here's a short structured running workout that doesn't require much space. After a warm up you do step 1. Continue until you finish Step 4 and then cool
Suunto - From #SuuntoProTeam ambassador @LandonFaulkner_ "Hill Sprint Sandwiches for breakfast today. I love the Intervals setting on my Suunto 9. Set your intervals up however you'd like (which for me this
![John O'Regan on Twitter: "Here's a short structured running workout that doesn't require much space. After a warm up you do step 1. Continue until you finish Step 4 and then cool John O'Regan on Twitter: "Here's a short structured running workout that doesn't require much space. After a warm up you do step 1. Continue until you finish Step 4 and then cool](https://pbs.twimg.com/media/EVeqIPAXYAYBct7.jpg)