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How to Improve Your 5K Time: 8-Week Plan

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Dropping 1-2 minutes off your 5K is achievable in 8 weeks with the right mix: 80% zone 2, 20% intensity.

Dropping 1-2 minutes off your 5K is achievable in 8 weeks with the right plan: 80% easy volume and 20% well-placed intensity.

Plan structure (8 weeks)

  • Monday: rest or mobility.
  • Tuesday: short intervals (10 × 400 m at goal 5K pace).
  • Wednesday: 30-40 min in zone 2.
  • Thursday: tempo run (20 min at 10K pace).
  • Friday: rest or strength.
  • Saturday: long easy run in zone 2 (45-60 min).
  • Sunday: 30-40 min in zone 2 or cross-training.

The 3 key sessions

1. 400 m intervals

10 × 400 m with 60-90 s rest. Pace: slightly faster than your goal 5K. Trains your neuromuscular system and improves running economy.

2. Tempo run

20-30 min at a 'comfortably hard' pace (lactate threshold, roughly 10K pace). Improves your ability to sustain high paces without accumulating lactate.

3. Long easy run in zone 2

The most important and most overlooked session. 45-75 min at conversational pace. Builds the aerobic base that supports everything else.

Mistakes that sabotage your progress

  • Running every day at the same moderate pace (not fast, not slow).
  • Skipping the long easy run because it's boring.
  • Going all-out every day and finishing exhausted without improving.
  • No strength work: lower-body strength reduces energy cost.

About this guide

Last reviewed
. We review content at least once a year, and sooner if relevant literature comes out. Update policy.
How it is verified
We prioritize meta-analyses, systematic reviews and official positions (ISSN, ACSM, EFSA, WHO, Cochrane). Full methodology · topic: Running y zonas de entrenamiento.
Conflicts of interest
Some product links are affiliate links from Amazon España and earn us a small commission at no extra cost to you. How we fund the project.
Medical disclaimer
Educational content. Does not replace consultation with a healthcare professional. More detail.

Spotted an error in a formula or recommendation? Email us at jesus.narvaez.tames@hotmail.com. Corrections are published as an updated note on the guide.

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