We will run our race at a 3 : 1 interval ( running 3 minutes , walking 1 ) .
Our first Saturday long run intervals start at a 2 : 1 interval ( running 2 minutes , walking 1 ) .
We will run our race at a 3 : 1 interval ( running 3 minutes , walking 1 ) , but our first Saturday long run intervals start at a 2 : 1 interval ( running 2 minutes , walking 1 ) .