Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Lactate Threshold vs Tempo Running - The SCIENCE of Training Zones. and this video is uploaded by Dr Will O'Connor at 2023-08-07T15:42:11-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [j0MjI9Pp7cE]