Belford Mountain Crusher

Belford Mountain Crusher

Workout - Belford Mountain Crusher

  • 10min @ 9'00''/km
  • 4 lots of:
    • 800m @ 5'00''/km
    • 3min rest
  • 10min @ 9'00''/km
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Intro

“DeMoor Brothers vs. Father Time: Mt. Belford FKT Attempt” from Seth James DeMoor is worth a watch. Here are the takeaways for your own peak efforts. The full video has more detail.

Key points

  • Steep mountain effort: Mt. Belford’s 4,300 ft over 3.8 mi (around 23% average grade) tests strength and aerobic fitness.
  • Patience and aerobic engine: a solid aerobic foundation matters. The brothers point to this as essential for steep FKT work.
  • Time benchmark: the first half-mile went in just under 2 minutes (around 1:02 to 1:03).
  • You don’t have to get slower as you age. Consistent training can still bring improvements.

Workout example

Mt. Belford FKT-style hill repeat (scale distances and paces to your fitness):

  1. Warm-up: 10-min easy jog on flat ground.
  2. Hill repeats: find a steep 0.5-mile (or 800 m) stretch and run it hard but controlled (aim for around 2 min on 0.5 mi if you can). Do 3 to 4 rounds, jogging or walking back down for 3 minutes between efforts.
  3. Cool-down: 10-min easy jog.
  4. Tip: settle into a steady breathing rhythm and watch your heart rate. 75 to 85% of max HR is the sweet spot for aerobic capacity.

Closing note

Try this on a local steep hill. Adjust distances and paces with the Pacing app. Build an aerobic base and stay patient.


References

Inspired by Seth James DeMoor

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