Parkrun Threshold Finisher

Workout - Parkrun Threshold Finisher

• 5min @ 6'00''/km
• 3.2km @ 4'05''/km
• 1.6km @ 3'37''/km
• 5min @ 6'30''/km

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Intro: This is a quick breakdown of THRESHOLD TRAINING WENT WRONG? Half Marathon Training Vlog from That Running Guy. The full video has tons of detail, so give that a watch—here’s the summary so you can test the session yourself.

Key Points:

• Rather than gun for a new personal record at every park run, this approach uses it as a structured threshold workout to maintain sharpness through training.
• The session pairs a 2-mile threshold effort (target 6:35 min/mi or 4:05 min/km) with a closing mile of fast reps between 5:39 – 6:03 min/mi (3:30 – 3:45 min/km).
• Freezing temps (‑2 °C) make breathing harder and throw off your pace perception—plan for it and dress warmly.
• The runner uses the VDOT app to calculate paces from a recent 10K result (39:40), which gives the right targets for threshold and interval work.

Workout Example:

1. Warm‑up – 5‑10 min easy pace.
2. Threshold portion: 2 miles @ 6:35 min/mi (4:05 min/km) – controlled, hard-but-manageable effort (below lactate threshold).
3. Quick finish: 1 mile of reps, targeting 5:39 – 6:03 min/mi (3:30 – 3:45 min/km). You can break this into 2‑minute repeats with short jog breaks if that works better.
4. Cool‑down – 5‑10 min easy pace, then stretch.

Practical Tips:

• Track your effort with a pace or heart-rate monitor (VDOT app is solid for this).
• Layer up when it’s cold—base layer plus long sleeves to keep your lungs protected.
• If you’re gasping for air, back off the speed a notch and work on holding a steady breath.
• Adapt the paces to your own fitness; the structure (2 mi threshold + 1 mi fast) works across ability levels.

Closing Note: Give this mixed-format park run a shot and dial the paces into your Pacing app. You’ll stay race-ready for your half-marathon without overdoing it—push forward! 🚀

References

• THRESHOLD TRAINING WENT WRONG? Half Marathon Training Vlog - YouTube (YouTube Video)