What do a 34yr old Ironman World Champion and an 89yr old Olympian have in common?

If you're seeking some inspiration, there's a sample session for you to try this week at the bottom of this email provided by one of today's special podcast guests, 89 year old Dave Radcliff from Oregon, USA. 

Dave holds all freestyle world records for the 75-79 and 80-84 age groups, from 50m to 1500m. His 1500m freestyle World Record time at age 80 was …