https://community.usms.org/events/f/pool-events/23426/pennock-challengeRegistration for the 6th Pennock Challenge is now available on Active.com. We are allowing 53 entrants made up of 21 solo swimmers, 6 4-person relays and 4 2-person relays. Relays will enter using the roster format on the active website. If you have problemsen-USTelligent Community 12