Treadmill Speed Changes — 35 Min Extended

35-minute intermediate HIIT workout for gym training. Includes 4 minutes of warm-up, 28 minutes of structured work/recovery intervals, and 3 minutes of cool-dow

Duration

35 min

Difficulty

intermediate

Equipment

treadmill

Muscle groups

cardiovascular, legs

Exercises

1. 1. Dynamic warm-up: easy march and joint mobility

   1 sets · 4 min reps

   March easily for 2 minutes, then perform 1 minute of gentle arm circles and 1 minute of controlled hip hinges. Gradually increase heart rate.

2. 2. Treadmill fast interval — Interval 1

   7 sets · 40 sec work / 20 sec recovery per round reps

   Increase speed only to a controllable pace; use emergency stop clip. Complete 7 one-minute rounds. During each recovery, rest or move gently. Choose intensity appropriate to intermediate level; prioritize form over speed.

3. 3. Treadmill fast interval — Interval 2

   7 sets · 40 sec work / 20 sec recovery per round reps

   Increase speed only to a controllable pace; use emergency stop clip. Complete 7 one-minute rounds. During each recovery, rest or move gently. Choose intensity appropriate to intermediate level; prioritize form over speed.

4. 4. Treadmill fast interval — Interval 3

   7 sets · 40 sec work / 20 sec recovery per round reps

   Increase speed only to a controllable pace; use emergency stop clip. Complete 7 one-minute rounds. During each recovery, rest or move gently. Choose intensity appropriate to intermediate level; prioritize form over speed.

5. 5. Treadmill fast interval — Interval 4

   7 sets · 40 sec work / 20 sec recovery per round reps

   Increase speed only to a controllable pace; use emergency stop clip. Complete 7 one-minute rounds. During each recovery, rest or move gently. Choose intensity appropriate to intermediate level; prioritize form over speed.

6. 6. Cool-down: slow walk and breathing

   1 sets · 3 min reps

   Walk slowly for 2 minutes and finish with 1 minute of comfortable breathing and gentle mobility. Do not stop abruptly.