Classic 5K Kilometre Repeats
Workout - Classic 5K Kilometre Repeats
- 10min @ 8'00''/km
- 6 lots of:
- 1.0km @ 5'00''/km
- 1min rest
- 10min @ 8'00''/km
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Intro
Lee Grantham’s How To Crush Your 5K Personal Best Without Complex Training? outlines a focused interval approach worth trying. The breakdown is below so you can run it right away. The full video has more context.
Key points
- One weekly interval session, totaling 5 to 6 km, builds speed-endurance and stress tolerance.
- Each repeat uses 60-second recovery gaps that keep the body under load while training you to drop HR within that window.
- Repeats shrink week by week, starting at 2.5 km and bottoming out at 300 m sprints. Progressively sharpens top-end speed.
- Effort starts between 10K and 5K paces, then shifts toward 5K target as the program advances.
Workout example (9-week plan)
| Week | Reps × Distance | Rest | Total volume | Pace guidance |
|---|---|---|---|---|
| 1 | 2 × 2.5 km | 60 s | 5 km | Comfortable 5K-10K pace, focus on breathing and HR recovery. |
| 2 | 3 × 2 km | 60 s | 6 km | Slightly faster than 5K pace, still controlled. |
| 3 | 4 × 1.5 km | 60 s | 6 km | Push more, start feeling the 5K rhythm. |
| 4 | 5 × 1.2 km | 60 s | 6 km | More rest intervals, stay controlled. |
| 5 | 6 × 1 km | 60 s | 6 km | Aim for ~3 min/km (≈15 min 5K) if you can hold it. |
| 6 | 8 × 800 m | 60 s | 6.4 km | Shorter reps, easier recovery, focus on quick HR drop. |
| 7 | 10 × 500 m | 60 s | 5 km | Sharper, faster ground work. |
| 8 | 12 × 400 m | 60 s | 4.8 km | Very fast, focus on control. |
| 9 | 20 × 300 m | 60 s | 6 km | Test session. Aim to hold 5K pace comfortably through most of the session. |
Practical tips
- Hold the 60-second rest window firm. Trains recovery rate and mental toughness.
- Run each rep like a mini-race. Hard from the gate, settle into a rhythm, accelerate near the finish.
- Dial down weekly mileage after each session for recovery.
- Enter your paces in the Pacing app (5K pace, 10K pace) and let it calculate target splits for each week.
Closing note
Work through this 9-week block, adjust paces to your current fitness, and the 5K should improve. Load details into the Pacing app and stick with the program.