This week we speak to Martin Thwaites, who’s life-long passion for fitness has taken him from body building, then Muay Thai boxing and has now found functional fitness & the CrossFit training methodology. Martin documents his dedication to training through his Instagram profile @50fitnfunctional and has also competed in a number of Master competitions as well as taken part in both the Battle Cancer London events. We share our experiences of the Battle Cancer events before Martin explain...