Gran Trail Courmayeur - GTC30 course and race-day weather
- Courmayeur, Valle d'Aosta, Italy
- 26.1 km16.2 mi
- 2,000 m6,562 ft D+
- 4 aid stations
- 2 ITRA points
Analyzing route...
GTC30 course, section by section
The GTC30 course runs 26.1 km with 2,000 m of climbing and 2,005 m of descent - 77 m of climbing per kilometre. It tops out at 2,524 m, and its lowest point on the GPX is 1,206 m. 42% of the distance climbs at more than 3%, 40% descends at more than 3%, and the remaining 18% is flat or rolling.The GTC30 course runs 16.2 mi with 6,562 ft of climbing and 6,578 ft of descent - 405 ft of climbing per mile. It tops out at 8,281 ft, and its lowest point on the GPX is 3,957 ft. 42% of the distance climbs at more than 3%, 40% descends at more than 3%, and the remaining 18% is flat or rolling.
The organiser's 6 checkpoints split the course into 5 sections. The table gives each leg's own climb, descent, average grade and high point, measured on the official GPX.
Download the official GPX| Section | KmMi | Distance | D+ | D- | Avg grade | High point |
|---|---|---|---|---|---|---|
| Start - Courmayeur → Mont de La Saxe | 0.0-5.80.0-3.6 | 5.8 km3.6 mi | +884 m+2,900 ft | -72 m-236 ft | +14.0% | 2,031 m6,663 ft |
| Mont de La Saxe → Rifugio Bonatti | 5.8-12.93.6-8.0 | 7.1 km4.4 mi | +305 m+1,001 ft | -312 m-1,024 ft | -0.1% | 2,038 m6,686 ft |
| Rifugio Bonatti → Col Sapin | 12.9-18.68.0-11.5 | 5.7 km3.5 mi | +678 m+2,224 ft | -270 m-886 ft | +7.2% | 2,533 m8,310 ft |
| Col Sapin → Currù | 18.6-20.311.5-12.6 | 1.7 km1.1 mi | +49 m+161 ft | -459 m-1,506 ft | -23.7% | 2,433 m7,982 ft |
| Currù → Courmayeur (Finish) | 20.3-26.112.6-16.2 | 5.8 km3.6 mi | +161 m+528 ft | -965 m-3,166 ft | -13.9% | 2,022 m6,634 ft |
The climbs that shape the race
The track holds 4 major climbs and 6 major descents. The biggest climb runs from km 1 to km 6 (up to Mont de La Saxe): +878 m over 5.1 km at an average of 16.4%. The steepest sustained climb averages 21.3% over 0.8 km from km 18 (up to Col Sapin), with pitches of 30.5%. The longest descent drops 614 m over 3.4 km from km 23 (down to Courmayeur (Finish)), at an average of 17.4%.The track holds 4 major climbs and 6 major descents. The biggest climb runs from mile 0 to mile 4 (up to Mont de La Saxe): +2,881 ft over 3.2 mi at an average of 16.4%. The steepest sustained climb averages 21.3% over 0.5 mi from mile 11 (up to Col Sapin), with pitches of 30.5%. The longest descent drops 2,014 ft over 2.1 mi from mile 14 (down to Courmayeur (Finish)), at an average of 17.4%.
Distance, total climb and high point are the organiser's. Each section's climb, descent, grade and high point, the low point and the named climbs are measured on the official GPX with the same method as the interactive profile, so the sections can add up to a slightly different total.