Dave and Matt answer a question sent in by a listener of the show about training on the treadmill vs training on other surfaces - which is the best use case for each type of training run? * We apologise for the slight audio disruption in the last 5 minutes of the recording * Show Notes: Studies on Physiology of Treadmill grade vs Outdoor running https://pubmed.ncbi.nlm.nih.gov/8887211/ https://link.springer.com/article/10.1007/s40279-019-01087-9 Study on Differences Between Treadmill Types https://pubmed.ncbi.nlm.nih.gov/27575734/  Study on Motorised vs Non-Motorised Curved Treadmill https://pubmed.ncbi.nlm.nih.gov/30084302/ https://pubmed.ncbi.nlm.nih.gov/34065387/  Studies on Road vs Trail Running https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10002259/  - Beginners https://pubmed.ncbi.nlm.nih.gov/36515604/ - Elites Level vs Uphill Running in Trailrunners https://pubmed.ncbi.nlm.nih.gov/30676150/  Energy Cost of Uphill Running in Well Trained Athletes https://pubmed.ncbi.nlm.nih.gov/34853187/  Technical Uphill vs Treadmill of same Gradient https://pubmed.ncbi.nlm.nih.gov/34663199/