Heishanmen Yakou is a climb of 6.5 kilometers (category 1). The climb finishes at 1,128 m above sea level. It is located in Mangshi, 云南省, 中国. The average gradient is 5.4% with a maximum of 10.1%. The climb has 351 meters of elevation gain.
Climb breakdown: This Cat 1 climb covers 6.5 km for 351 m of elevation gain, with an average gradient of 5.4%. The profile is demanding but fairly even. The first 500 m at 4% are a warm-up, then the middle section, from km 0.5 to km 2.5, sits at a steady 6%. Between km 2.5 and km 5.5, the gradient bounces between 4% and 5%, which wears you down without any real break, before an easier stretch at 3% (km 5.5-6.0). The final push, from km 6.0 to km 6.5, ramps up sharply to 8%, and that's where the race is decided.
Tips for the effort:
1. Dial in your pace from the start. The first 500 m at 4% are deceptive. Go hard but controlled so you hit the 6% section with fresh legs.
2. Save your energy between km 0.5 and km 2.5. Keep a steady cadence, seated, and avoid wasting matches on this constant 6% section.
3. Save something for the 8% finish. Use the 3% section between km 5.5 and km 6.0 to recover, then shift to an easier gear and stand up to attack the last ramp.
6.5 km • 351 m D+
VAM: average climbing speed, based on elevation gain
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