Callum Davies is a double Australian champion with PB's of 3:35 for 1500m, and 13:31 for 5000m. He is also completing a PhD in biomechanics and drops Tim most Tuesday mornings. Cal brings some interesting discussions around running efficiency, calf strength, sweaty mornings at UQ and shoe rotation. Alain is back on the road in Grafton, continues experimenting with bi-carb and searching for the best regional little athletics track in QLD. Timmy completes his first week of prep for the London Marathon Jordo returns to the spit to test his ankles. Song of the week Query & Theory Sporting Quiz Hot take

Alain gets back on the horse running another 800m over the weekend and brings the science + some experience to using Bicarb products pre race. Tim also shares his experience with Bicarb and puts together a large week in Brissy. Jordo's lack of bicarb experience sees him do a reverse build and run over some glass. Song of the week Science Stuff Query and Theory Sporting Quiz Hot take

This week the boys are all in Australia for the first time in a veryyyy long time. Alain kicks off his 2nd episode with a new science talk and another crack at an 800m. Timmy is back in Aus and trying to spark the body with some speed. Jordo goes on an ego run with Tim and does an accidental 30k longy. Query and Theory Science Chat Song of the Week Sporting Quiz Hot take