DISTANCE : 19.6 km.

D+ cumulative elevation gain : 1,095 m.

CUT-OFF TIME : 7 hrs.

START : 13 JUNE 2026   07:00

END : 13 JUNE 2026   14:00

VENUE : Princess Sirindhorn Astropark (NARIT)

Delivers a classic “all the way up, all the way down” experience — because “What goes up must come down.” Perfect for beginners seeking excitement and seasoned runners ready to test their skills, this route reimagines the traditional CM1, bringing a fresh challenge for everyone.