About this workout
Being strong is worthless if you gas out in the third quarter. This 4 week conditioning program builds the work capacity, repeat-sprint ability and mental toughness athletes actually need. It rotates through sprints, sled work, jumps, swings and carries, so you train power endurance across every quality, not just one. It is a short, intense block designed to run alongside your sport or lifting; four weeks of this and you will recover faster between efforts and last longer when it counts.
Who This Program Is For
- You are an athlete who needs a bigger gas tank and better work capacity.
- You can add four conditioning sessions a week for four weeks.
- You have access to sprinting space, a sled, kettlebells and a medicine ball.
- You already have a base of fitness and strength.
Who this is NOT for: deconditioned beginners, who should build a base with steady cardio first, and anyone in a heavy competition week where this would add too much fatigue.
What You'll Need
- Room to sprint, a sled or prowler, kettlebells, a box and a medicine ball.
- A timer for the work and rest intervals.
- The intent to push hard; conditioning only works if the efforts are real.
The Program
Four days, each targeting a different conditioning quality. Work hard through the Work interval, then rest the full Recovery before the next round. Keep technique crisp even as you tire; sloppy fast reps are how athletes get hurt.
| Day 1 | |||
|---|---|---|---|
| Speed and Power | |||
| Movement | Rounds | Work | Recovery |
| Sprints | 8 | 20 sec hard | 60 sec |
| Box Jump | 4 | 5 jumps | 60 sec |
| Kettlebell Swing | 4 | 20 sec | 40 sec |
| Burpees | 3 | 30 sec | 60 sec |
| Day 2 | |||
|---|---|---|---|
| Sled and Carry | |||
| Movement | Rounds | Work | Recovery |
| Sled Push | 8 | 20 yards | 75 sec |
| Sled Drag | 6 | 20 yards | 75 sec |
| Farmers Walk | 4 | 40 yards | 90 sec |
| High Knees | 4 | 30 sec | 30 sec |
| Day 3 | |||
|---|---|---|---|
| Circuit Conditioning | |||
| Movement | Rounds | Work | Recovery |
| Kettlebell Swing | 5 | 40 sec | 20 sec |
| Burpees | 5 | 40 sec | 20 sec |
| Jump Squat | 5 | 30 sec | 30 sec |
| Mountain Climbers | 5 | 40 sec | 20 sec |
| Push Ups | 5 | 30 sec | 30 sec |
| Day 4 | |||
|---|---|---|---|
| Mixed Intervals | |||
| Movement | Rounds | Work | Recovery |
| Sprints | 6 | 30 sec | 90 sec |
| Medicine Ball Slam | 4 | 20 sec | 40 sec |
| Box Jump | 4 | 5 jumps | 60 sec |
| High Knees | 4 | 30 sec | 30 sec |
How to Progress
Four hard weeks. The work goes up and the rest comes down.
Week 1. Learn the intervals and set honest efforts. Use the full recovery so each work bout is high quality.
Week 2. Add a round to the main efforts or a few seconds of work. Keep the intensity high.
Week 3. Trim some of the recovery time so your work-to-rest ratio gets harder, forcing better conditioning.
Week 4. Peak. Highest work, tightest rest you can hold with good form. After four weeks, back off and retest your conditioning; it will have jumped.
Warm-Up and Recovery Notes
Warm up thoroughly before any sprint or jump: easy cardio, dynamic drills and a few build-up efforts. Cold, all-out conditioning is a fast track to a pulled muscle.
This block is very taxing on top of a sport. Keep your hardest conditioning away from your hardest practices or games, sleep well, and fuel enough. If your efforts are slowing across a session, that is the point to stop.
Nutrition and Supplementation
Hard conditioning burns through fuel and needs protein to recover. Eat enough total calories and about 0.8 to 1 gram of protein per pound of bodyweight, with plenty of carbohydrate to power the efforts.
Simple support: protein powder for recovery and a daily multivitamin for the demands of hard training. Hydrate well; conditioning loses a lot of fluid.
FAQ
Will this hurt my strength? Kept to four weeks and separated from your heavy lifting, no. It builds the work capacity that lets you train and compete harder. Do not stack it on top of a max strength peak.
How is this different from just running? It trains repeat-effort power across many modalities, which is what field and court sports demand, not just steady aerobic fitness. Variety builds a more complete engine.
Can I do this in season? In a lighter part of the season, yes, at reduced volume. During heavy competition, hold your conditioning rather than trying to build it.



Questions and results
Ask a coach
Running this program? Tell us what week you are on and how the progression is going. A coach answers every question here.