Ryan's Endurance Threshold

Workout - Ryan's Endurance Threshold

• 15min @ 6'30''/km
• 3 lots of:
  • 8min @ 4'45''/km
  • 4min rest
• 12min @ 7'00''/km

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Intro: Ryan Clayton shares a 15-week training plan leading up to the Cruel Jewel 100 in this video breakdown. We’ve pulled the core takeaways so you can apply the workout to your own routine. The full video has additional context worth checking out.

Key Points:

• Consistency matters: Ryan runs daily after Christmas, with weeks averaging 50–57 miles, plus one recovery week of 10 miles to demonstrate how steady volume creates a strong aerobic foundation.
• Training splits into three distinct blocks: the first emphasizes VO₂-max work at high intensity, the second targets threshold and tempo efforts, and the final phase races your fitness peak closer to race day.
• Balancing fitness gains against accumulated fatigue requires monitoring tools—chronic and acute training load metrics, training stress scores, and ramp rate calculations all guide decisions.
• Body awareness beats plans: when a session doesn’t feel right, Ryan scales back and replaces it with an easy run instead of pushing through.

Workout Example (Current Threshold/Tempo Phase):

• How often: 3 to 4 weekly runs, plus a long outing on Saturday
• The meat of the session: 3 or 4 repeats lasting 8 to 10 minutes at effort level 8 (pushing hard but still manageable), with 4 to 5 minutes of easy jogging between repeats
• Weekend runs: Saturday brings 10–20 miles (sometimes more) at conversational pace; Sunday adds another ~10 miles if the schedule permits
• Easy days: 5-mile runs at a relaxed effort
• Pacing cue: A solid heart-rate monitor keeps you honest during those 8-minute pushes and confirms you’re actually recovering during the breather segments

Closing Note: Slot this interval approach into your own training, then adjust paces based on where your fitness sits right now using a pacing tool. The volume and intensity can flex with your schedule, and monitor your training load to avoid overload. Keep stacking those miles toward that 100-mile finish line!

References

• Training Update - 15 weeks until the Cruel Jewel 100 - YouTube (YouTube Video)