Tuomong Pass is a climb of 25.6 kilometers (hors catégorie). Tuomong Pass tops out at 2,190 m above sea level. It is located in Ban Padeng, ຊຽງຂວາງ, ປະເທດລາວ. The average gradient is 9.3% with a maximum of 20.5%. The climb has 2367 meters of elevation gain.
Difficulty analysis: This HC climb is extremely demanding because of its length (25.6 km) and its high average gradient (9%). The difficulty is compounded by uneven pitch, with several very steep sections above 10% (notably at km 10-11, 19-20 and the final 24-25.6 km at 12%) that rule out any steady rhythm.
Tips for managing the effort:
1. Pacing: Plan ahead for the critical sections (11%, 12%) by easing off the pace before you reach them to avoid blowing up. Make the most of the shorter, flatter stretches (KM 15-16 at 1%, KM 17-18 at 2%) to recover actively without stopping.
2. Controlling your intensity: Use a power meter or heart rate monitor to hold a steady effort. On a 9% average gradient, a little overpacing on the steep ramps will cost you dearly over the long haul.
3. Fueling: The duration of the effort (probably over 2 hours) calls for a disciplined nutrition strategy. Take on food and fluids regularly in small amounts to keep your energy reserves topped up all the way to the summit.
25.6 km • 2367 m D+
VAM: average climbing speed, based on elevation gain
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