Does high intense sprint training increase testosterone levels

Yes—high-intensity interval training, including sprinting, can increase testosterone. It may do so because it partly mimics the neural activity involved in moving heavy loads. 1

• Sprinting and heavy lifting: The proposed link is that sprinting engages neural activity similar to heavy-load lifting, which is associated with increased testosterone. 1
• Prolonged endurance exercise: Endurance exercise lasting over 75 minutes can reduce testosterone, presumably through increased cortisol; intensity also matters. 2