For avid cyclists who want to race harder and hydrate faster, the Speedfil Hydration System-Standard has a bite valve and works more like a bladder system for hands-free drinking. ($100, invisciddesign.com)
- Queen of HalloweenLook back at Heidi Klum's craziest costumes.
- The "Airpocalypse" in PhotosBeijing Marathon runners donned face masks to beat smog.
- Getting to Know Gal GadotThe Israeli actress is in the mix for 'Ben Hur' role.
- Dairy-Free Ways to Get More CalciumTen foods for stronger bones, teeth, and muscles.