Critical Velocity VO2-Max

Workout - Critical Velocity VO2-Max

• 15min @ 6'00''/km
• 2.0km @ 5'00''/km
• 1min 30s rest
• 2 lots of:
  • 800m @ 5'00''/km
  • 1min 30s rest
  • 800m @ 5'00''/km
  • 1min 30s rest
  • 600m @ 5'00''/km
  • 1min 15s rest
  • 600m @ 5'00''/km
  • 1min 15s rest
  • 600m @ 5'00''/km
  • 1min 15s rest
  • 600m @ 5'00''/km
  • 1min 15s rest
  • 300m @ 5'00''/km
  • 1min rest
• 12min @ 6'15''/km

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Intro

We’re summarizing Measuring Progress During A Training Block | 10k Challenge from The FOD Runner — a worthwhile watch that walks you through workouts you can implement right away. If you’re digging deeper into race-day strategy, our Mastering the 10K: Proven Training Plans, Pace Strategies, and How a Smart App Can Elevate Your Performance guide has you covered. Watch the original for full details and context.

Key Points

• Critical Velocity (CV) sets the pace for interval work — it’s roughly your 30-minute time-trial pace, sitting just quicker than your target 10K.
• You’ll see progress through faster repeats (typically 5–8 seconds per mile quicker than the opening week) and effort that requires less strain.
• Treat wind and terrain as part of the workout; adjust the push instead of forcing target splits in difficult conditions.
• The opening mile or 2 km acts as a tempo-style warm-up, gradually building toward the main intervals. New to structured training? Our Mastering Interval Training: Science-Backed Workouts and How a Smart App Can Personalize Them guide offers more support.
• Once the block wraps up, focus moves to longer repeats at race pace (speed-endurance work) before transitioning into marathon-distance training.

Workout Example (Monday – VO2‑max Session)

1. Warm‑up: easy jog 10‑15 min
2. 2 km @ Critical Velocity (≈30‑min TT pace, just above 10K race pace) – 90 s rest
3. 2 × 800 m @ CV – 90 s rest between each
4. 4 × 600 m @ CV – 75 s rest between each
5. 300 m @ CV – 60 s rest
6. Repeat steps 3‑5 (800 m + 4×600 m + 300 m) for a second set
7. Cool‑down: easy jog 10 min

When facing wind, seek out the sheltered side of turns or slight downslopes for the shorter repeats to maintain steady effort.

Short, fast repeats build raw speed effectively. Looking for similar workouts suited to shorter distances? Check out our Mastering 5K Speed: Proven Interval Strategies to Cut Minutes off Your Time guide.

Workout Example (Wednesday – Tempo/Threshold Session)

- 5 × 6‑min intervals @ Critical Velocity pace
  • Recovery: 90‑second easy jog (or 30‑second jog + 60‑second walk if needed)
- 15‑min steady tempo run (just below threshold)
- 60‑second easy jog
- 10‑min easy tempo/steady run
- Finish with 20‑second strides (2‑3 reps) and a 2‑min jog

Practical Tips to Try Right Now

1. Find your CV: either run a 30-minute time trial or grab a recent 10K result and tack on roughly 5–10 seconds per mile. Apply this pace across all your intervals.
2. Log your progress: at the end of each block, record how many seconds per mile faster your 600m or 800m repeats have become.
3. Work with the wind: into a headwind? Trim the interval distance or pick a slight downslope. With a tailwind? Go after the target split.
4. Spend time reflecting: after each run, take 5–10 minutes to jot down how the effort went, pace shifts, and what you notice in your heart rate.
5. Use the Pacing app to customize: input your CV, 10K goal pace, and interval structure so the app feeds you real-time cues during the session.

Closing Note

Put the VO2-max and tempo sessions on your schedule this week, adjust paces to your current fitness, and use the Pacing app to manage the structure. Consistency and reflection compound—those are your biggest levers for improvement. Happy holidays and see you at the finish line! 🚀

References

• Measuring Progress During A Training Block | 10k Challenge - YouTube (YouTube Video)