XBD50
Route: Huanglong Scenic Area Visitor Center (Start) → CP3/SP3 Songlinpo → Taojingou (Water Refill Point) → CP4/SP4 Changhai Lake → CP5/SP5 Upper Nami Village → CP6/SP6 Niri Pass → CP7/SP7 Shangniba Village → Songzhou Ancient City (Finish)
Race Distance: 48.2 kilometers
Total Ascent/Descent: 2442/2758 meters
Cut-off Time: 15 hours
Start Time: 07:00, July 6, 2025
Cut-off Time: 22:00, July 6, 2025
Check-in/Supply Stations: 6

Route Introduction:
This is the classic course of the Huanglong Extreme Endurance Race, connecting major scenic spots such as the Huanglong Scenic Area, the Mount Xuebaoding trekking route, and the ancient city of Songzhou.
The course offers stunning landscapes and diverse terrain types. The second half is relatively runnable, making this mid-distance route an ideal stepping stone for runners aiming to take on higher-altitude, longer, and more technical trail challenges.