Here’s a 4 week sprint progression for you to try 🔥 . Week 1: Every 3:00 Minutes x 6 Sets; 90% Max Effort 0:12 Seconds: Sprint . Week 2: Every 3:00 Minutes x 6 Sets; 90% Max Effort 0:15 Seconds: Sprint . Week 3: Every 3:00 Minutes x 6 Sets; 90% Max Effort 0:20 Seconds: Sprint . Week 4: Every 3:00 Minutes x 6 Sets; 90% Max Effort 0:25 Seconds: Sprint . Each week, your goal is to maintain the same level of intensity across the full duration of the sprint in every work set. Build that engine y’all