MY100

Race strategy

Hold a steady pace and save energy for every section.

• Steep 42% wall. Control your pace and stay focused.
• 1248m descent. Go easy, save your quads.
• Final 1373m descent. Save your legs to go all out on it.
• Long race. Control your HR and effort. Early mistakes cost the most.
• Control your HR on the first mountain, save your quads on the descents until 27.8km, then run your race pace, and start the final descent from 78.1km under control, then go all out near the bottom.
• Start · 0.0km–1.1km · Race-day nerves push your heart rate up: don't follow the crowd, find your own rhythm.
• Settle in · 1.1km–9.7km · Climb of 1253m. Ease in: hold back more than feels necessary. The race is still ahead. Climb by heart rate or breathing, not pace. Hike the steepest pitches.
• Work · 9.7km–65.0km · Descent of 1248m averaging 10%, descent of 324m averaging 10%. Plus 1 more climb. This is where the race is built: steady, solid effort. Climb by heart rate or breathing, not pace. This descent is hard on the legs: short steps, stay in control, poles if you have them. Running pays off here: run wherever you can. Hike the steepest pitches.
• Fade · 65.0km–78.1km · Climb of 1294m, high point 1371m. Plus 1 more climb and 1 descent. Your energy fades, and that's normal: hold a steady effort and stop counting the miles. Climb by heart rate or breathing, not pace. Hike the steepest pitches. Your heart rate drifts down on its own: don't chase your early-race numbers, go by feel.
• Home · 78.1km–93.3km · Descent of 1373m averaging 9%. No heroics: settle back into your own effort and hold it to the line. Very long descent: first half under control, then even, let go only near the end.

Course

By gradient, 29% of the distance is uphill, 42% downhill and 29% flat. The longest climb runs 9.7km at an average 12.9% grade (1253m of vertical). The longest descent runs 15.2km at an average 9.1% grade (1373m of vertical). The steepest climb averages 46.9% over 0.5km. The steepest descent drops at 36.4% over 0.2km. Surface: 49% road, 29% trail, and 22% smooth. Flat-equivalent effort: 151.3 FlatKM.

Summits

The highest summit on the course is Bukit Caulfield (1389m), 77.9km from the start. Other named summits along the route: Bukit Larut (243m) and Bukit Chempedak (148m).

Poles

Trekking poles are strongly recommended: about 12.5km of the course is steep enough for them to pay off.

Quad damage

Quad damage risk is high (index 55 of 100), with 51% of the load in the first half: 2 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.

• Control your HR on the first mountain, save your quads on the descents until 27.8km, then run your race pace, and start the final descent from 78.1km under control, then go all out near the bottom.
• #1 · 9.7–21.8 km · 1248 m D−, -10.3% · 71.4 km ahead → control
• #2 · 24.4–27.8 km · 324 m D−, -9.6% · 65.4 km ahead → control
• 68.1–70.7 km · 427 m D−, -16.1% · 22.5 km ahead → your pace
• 78.1–93.3 km · 1373 m D−, -9.1% · 0.0 km ahead → even, first half under control, let go at the end

Weather

On race day, start temperatures have historically ranged from 27°C to 28°C, with around 19°C at the highest point; the chance of precipitation is about 89%.

Results

198 finishers completed the 2025 edition. Men's winner: Kristjan Chapman (Iceland) in 11:39:26. Women's winner: Wenli Jiang (China) in 15:11:33.