Elite-Inspired 3x3km Threshold

Workout - Elite-Inspired 3x3km Threshold

• 6.0km @ 5'45''/km
• 4 lots of:
  • 100m @ 0'40''/km
• 3 lots of:
  • 3.0km @ 5'00''/km
  • 1min 30s rest
• 2.0km @ 5'45''/km
• 5min @ 5'45''/km

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Intro

The Ismanon channel walks through “ME ENFRENTO AL ENTRENAMIENTO DE UN ATLETA OLIMPICO ESPANOL!!” with a sharp training session worth studying. The breakdown is below so you can run the workout today. Watch the full video for context.

Key points

• The main session is 3 x 3 km intervals at about 10K race pace, typically 3:25-3:30 min/km or about 17 km/h.
• Intensity is set by measuring lactate after each repeat, aiming for a 2-3 mmol/L range to hold steady state.
• Start the first repeat controlled, then push the last one slightly harder for progressive overload.
• Rest is about 1 minute 30 seconds, light jog or walk between efforts.
• Bookends: a 6 km easy run (with a handful of short technique strides) before, and a 2 km easy jog after.

Workout example (adapted for most runners)

Warm-up: 6 km easy (about 5:30-6:00 min/km) + 4 x 100 m strides

Main set: 3 x 3 km
   - Interval 1: target pace about 3:30 min/km (about 17 km/h), lactate 2-3 mmol/L
   - 1:30 easy jog recovery
   - Interval 2: same pace, adjust up/down based on lactate
   - 1:30 recovery
   - Interval 3: try to finish a bit faster (e.g. 3:25 min/km) if lactate stays in range

Cool-down: 2 km easy (about 5:30-6:00 min/km)

Without a lactate meter, go by feel. Start at a pace that’s challenging but controlled (roughly 80% of your 10K max), then push the last repeat a bit harder.

Practical tips

• Treadmill or track work keeps paces consistent and measurable.
• If you have a lactate meter, test after each interval to check the 2-3 mmol/L window.
• Tweak speed by 0.1-0.2 km/h each round based on lactate.
• Stick with the 1:30 recovery, long enough to shed some metabolic stress and short enough to hold intensity.
• Stay hydrated. The creator uses citrulline-malate (2-4 g) for support if you supplement.

Closing note

Try this 3 x 3 km lactate-focused session and adjust the targets to your 10K or marathon goals in the Pacing app.

Watch the Ismanon video for the full session breakdown.

References

• ME ENFRENTO AL ENTRENAMIENTO DE UN ATLETA OLIMPICO ESPAÑOL!!🥇 - YouTube (YouTube Video)