Negative-Split Mountain Long Run

Workout - Negative-Split Mountain Long Run

• 10min @ 10'00''/mi
• 0.0mi @ 8'55''/mi
• 0.0mi @ 8'38''/mi
• 0.0mi @ 9'38''/mi
• 0.0mi @ 8'25''/mi
• 5min @ 11'00''/mi

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Intro

A breakdown of How to Run Long in the Mountains from StrengthRunning. The video offers solid guidance—here’s a condensed version so you can get started with this workout right away. For the complete breakdown, watch the full video.

Key Points

• Negative‑split long runs: begin at a slower clip (roughly 8:50‑9:00 min/mile) and accelerate toward the finish. This approach allows your body to warm up gradually while leaving room for a strong closing effort.
• Purpose of the long run: an easy‑paced session that’s neither your easiest nor your hardest day, designed to build aerobic base while maintaining consistent effort.
• How much and how often: target 80‑90% of your total weekly mileage for the long run, adding 1‑2 miles every 2‑3 weeks. Most training blocks should see runs between 12‑15 miles.
• Managing altitude and heat: pack high‑sodium electrolytes (like Element), drink regularly, and plan a water/fuel break around the 8‑mile mark.
• What to bring: go light with just shorts, a shirt, and a small bottle if conditions allow—but hydration is non-negotiable.
• Building your distance: after several weeks, you’ll have the fitness to extend your long run; if training for a marathon, peak at around 20 miles, then back off to double digits during base-building phases.

Workout Example

Goal: 10‑mile mountain long run (≈10 mi) in Colorado foothills

1️⃣ Warm‑up: 0.5 mi easy jog

**Mile 1‑2** – Easy pace 8:50‑9:00 min/mile (negative‑split start)
**Mile 3‑4** – Slightly faster, 8:30‑8:40 min/mile, settle into rhythm
**Mile 5‑6** – Maintain effort, terrain gets technical, keep 8:30‑8:45 min/mile
**Mile 7** – Technical uphill, 9:30‑9:45 min/mile, focus on form and breathing
**Mile 8** – Quick fluid stop (water/electrolytes) at mile 8, stay easy
**Mile 9‑10** – Finish at 8:20‑8:30 min/mile, finish strong

Total time ≈86 min, average pace ≈8:35 min/mile.

Closing Note

Try this mountain run and dial in the paces using the Pacing app to match your current fitness level. Treat the long run as a non‑negotiable part of your week, and you’ll steadily build your aerobic capacity. Enjoy the miles!

References

• How to Run Long in the Mountains - YouTube (YouTube Video)