And now, Lululemon has paired with running for change icons Mirna Valerio and Coffey, to launch its Global Run line, which is all ... chest size with the Swift Speed Bra, available in A through ...

When people are exercising, they intuitively maintain the same running speed regardless of how many kilometres they cover, in order to be as energy efficient as possible. In a race, people try to ...

If you can run the same distance with less wasted energy, you’ll end up at the finish line substantially sooner! Runners who want to glimpse their potential are good candidates for more speed ...