Bob Parks

Author's Bio

Bob Parks (@bobparks) writes from the hills of Vermont. He is an avid runner (2:54:20, Boston Marathon, 2013) and a huge fan of new inventions.

How Can I Stay Hydrated on Long Runs?

I’m training for an ultra and log some long runs in the backcountry. If I carried all my water, I’d probably be running with four pounds of fluid. Is there a lightweight filter I can carry instead?