Finding the limits of one's abilities often requires unconventional methods—in this case, spending 40 minutes in a (heated) hotel pool. After an overwhelmingly positive response to their human performance workshop last year, Andy Walshe, a world-renowned human performance expert, and Jurgen Heitmann, a former Navy SEAL, have agreed to lead an even more fun, safe and challenging master class in resilience and mental strength. All you need is a positive attitude and a willingness to get in the water. Wetsuits will be provided. We're pretty sure you'll be talking about this one until next year.