Sub-20 5k Kilometre Repeats

Workout - Sub-20 5k Kilometre Repeats

• 10min @ 5'30''/km
• 6 lots of:
  • 1.0km @ 4'00''/km
  • 1min 30s rest
• 5min @ 5'50''/km

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This summarizes How she ran a sub 20 minute 5km (training and mindset) from This Messy Happy. The video has plenty of actionable insight. The core takeaways are below so you can get started with the workout. Watch the full episode for deeper context.

Key points:

• Training mix: two dedicated efforts each week, a speed session on Tuesday and a tempo session on Thursday, plus steady-paced base building.
• Variety matters: kilometer repeats, occasional hill repeats, and tempo intervals kept mental fatigue at bay.
• Core and mobility: a daily 10-minute morning core block, plus Pilates, yoga, and resistance-band exercises, strengthened form and efficiency.
• Gear and surface: switching to a fast track and lightweight “alpha flyer” shoes cut wind resistance and let her focus on hitting splits.
• Mindset shift: reduced pre-race anxiety, mentally split the 5k into 1-km segments, and worked on dismissing self-doubt to stay composed at the finish.

Workout example (paces in minutes per kilometre; sub-20 min 5k = ~4:00 km):

• Tuesday, speed session: 6 × 400 m (or 1 km) at 4:00 km pace, with 90-second easy jog recovery.
• Thursday, tempo run: 20 to 30 min sustained at ~4:30 km (slightly slower than race goal) to build confidence at race-effort speed.
• Easy runs: 3 to 4 mi (≈5 km) at conversational pace on the remaining days.
• Core routine (daily): 10 min covering plank progressions, glute bridges, and banded core strengthening.

Closing note: try this blend of speed work, tempo efforts, and core training this week. Scale paces to your current fitness, and use the mental strategies to stay steady during your race. The Pacing app lets you adapt the workout to your target goal pace.

References

• How she ran a sub 20 minute 5km (training and mindset) - YouTube (YouTube Video)