5K Speed Builder
Workout - 5K Speed Builder
- 10min @ 9'00''/mi
- 10 lots of:
- 30s @ 6'00''/mi
- 1min rest
- 5min @ 10'00''/mi
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Quick Summary
This breaks down Run a Faster 5K in Just 6 Weeks | Parkrun PB Training Guide from Lee Grantham. It’s worth watching — here’s what you need to try the workout today. The full video has more context if you want it.
Key Points
- The plan prioritizes top‑end speed and power over pure endurance. Most runners skip this phase, but our Mastering 5K Speed: Proven Interval Strategies to Cut Minutes off Your Time guide explains why it matters.
- Each week follows the same pattern: Monday strength, Wednesday short‑interval speed, and a Sunday long run.
- The Wednesday interval session is where the real work happens. Want to understand the mechanics? Check our Mastering Interval Training: Science-Backed Workouts and How a Smart App Can Personalize Them.
- Warm up for 10‑15 minutes at 50‑75% effort, optionally finishing with 30 seconds at race pace.
- Interval length increases across the six weeks while rest periods stay at 60 seconds, building your speed consistently.
Workout Example (Weeks 1‑6)
| Week | Wednesday Interval (hard) | Rest | Total Hard Time |
|---|---|---|---|
| 1 | 10 × 30 s @ ~6 min/mile (or faster) | 60 s | 5 min |
| 2 | 10 × 30 s @ same pace | 60 s | 5 min |
| 3 | 5 × 1 min + 10 × 90 s (mix) | 60 s | ~20 min |
| 4 | 6 × 1 min + 6 × 2 min | 60 s | 18 min |
| 5 | 3 × 1 min + 3 × 2 min + 2 × 3 min | 60 s | 15 min |
| 6 | 3 × 1 min + 3 × 3 min | 60 s | 12 min |
- Monday: Strength work (glutes, hamstrings, quads, push‑off) to build power and recover from your Sunday run.
- Sunday: A steady long run at a distance that feels right for you.
- Taper (Week 7): Skip Monday weights. Wednesday: 8‑10 minutes of easy minute repeats, then go all‑out on race day.
Practical Tips
- Run the 30‑second reps hard — nail the quick leg turnover and don’t fade at the end.
- Keep moving during those 60‑second rest periods (light jog or walk) so your heart rate drops steadily.
- The warm‑up is your chance to build toward race effort; you should feel ready to go when it’s done.
- Use the Pacing app to track your numbers and dial in the intervals to your target 5K pace or better.
Closing Note
Give this six‑week speed block a shot and tune the paces to your fitness in the Pacing app. The difference shows up fast on race day. Good luck with that PB!
And once you’ve crushed your 5K goal, check out Mastering the 10K: Proven Training Plans, Pace Strategies, and How a Smart App Can Elevate Your Performance for your next move.