5K Negative Split 800s

Workout - 5K Negative Split 800s

• 5min @ 6'00''/km
• 800m @ 4'05''/km
• 1min 30s rest
• 800m @ 4'00''/km
• 1min 30s rest
• 800m @ 3'55''/km
• 1min 30s rest
• 800m @ 3'50''/km
• 5min @ 6'00''/km

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Intro: this covers the highlights from The Running Channel’s How Much Can You Improve Your 5K Time in 30 Days? so you can get straight to your workout. Watch the full video for the complete explanation.

Key points:

• Thirty days of app-supported training with Runner, plus weekly focused workouts: tempo efforts, repeating intervals, and easier recovery sessions.
• Foundation: build gradually, aim for negative splits, use 800-meter repeats with short rest, and adjust weekly distance based on readiness.
• Participants in the program shaved over 1 minute from their 30-minute 5K times, with tangible improvements in four weeks.
• Trust the app’s pace recommendations to avoid pushing too hard early and stay consistent with your goal time.

Workout example (from the week 2 session):

Week 2 – Interval day
- Warm-up: 1 km easy
- 4 × 800 m at your target 5K pace
  • 90 seconds jog/recovery between each repeat
- Cool-down: 1 km easy
Total distance ≈ 6 km

Customize the 800 m repeats, recovery window, or total distance in the Pacing app to fit your fitness and target 5K pace.

Closing note: try the 30-day program, adjust paces in the Pacing app to your speed, and watch the minutes drop. One month of structured training makes a real difference.

References

• How Much Can You Improve Your 5K Time in 30 Days? - YouTube (YouTube Video)