Each Tuesday, we tackle the big questions you might find yourself pondering mid-shampoo or maybe even mid-run.
Tonight, it's a classic debate for those how like to get out for a run or check their Strava on a daily basis: what's better for performance - hitting the pavement outside or getting those kilometres in on the trusty treadmill at the gym?
Joining Emile to discuss is Dr Dan Plews who is an Applied sports scientist at AUT, Ironman athlete and coach at Endure IQ.
Photo: JENS KALAENE