GTC30 Aid Station Planner
All 6 GTC30 checkpoints pre-loaded. Prepare your inputs here, then unlock your complete roadbook in the app.
Full Gran Trail Courmayeur - GTC30 course data: aid stations, cutoffs, course profile
Prepare your GTC30 goal and checkpoints across 26.1 km and around 2,000 m of climbing. The public example is fixed; your complete personalized roadbook opens in the app.
Your start date and time travel with your inputs to the app.
Checkpoints (6)
Cutoff Sat 13:30
Cutoff Sat 15:30
Cutoff Sat 17:00
A fixed roadbook example
Example only: a 10 km section with 500 m of climbing, 300 m of descent and a 90-minute budget. This is not a prediction for your race.
- Dist (km)
- 10 km
- Section time
- 1:30
- Planned average pace
- 9:00 / km
Unlock the complete saved roadbook in the app: checkpoint times, pacing, fueling and a printable crew card. Public course facts remain available here.
Stops are not separately modeled. The app works out your splits with its own course model.
Add your race start date and time to save this plan.
GTC30 course in numbers
- Climbing per kmClimbing per mile
- 77 m405 ft
- ITRA km-effort
- 46 (20K)
- Highest point
- 2,524 m8,281 ft
- Biggest climb
- +878 m over 5.1 km at 16.4% (up to Mont de La Saxe)+2,881 ft over 3.2 mi at 16.4% (up to Mont de La Saxe)
- Steepest climb
- +166 m over 0.8 km at 21.3% (up to Col Sapin)+545 ft over 0.5 mi at 21.3% (up to Col Sapin)
- Longest descent
- -614 m over 3.4 km at 17.4% (down to Courmayeur (Finish))-2,014 ft over 2.1 mi at 17.4% (down to Courmayeur (Finish))
- Track climbing above 3%
- 42%
- Winning time / cutoff
- 2h54 / 8h00 (2.8x the winner's time)
Section-by-section climbs, descents and grades are on the GTC30 course page.
About Gran Trail Courmayeur - GTC30
Gran Trail Courmayeur - GTC30 covers 26.1 km with around 2,000 m of elevation gain, starting in Courmayeur, Valle d'Aosta, Italy. The overall cutoff is 8 hours.
Crew access is allowed at Mont de La Saxe (5.8 km), Rifugio Bonatti (12.92 km) and Currù (20.31 km).
Checkpoint data approximate - verify against the current official race guide at gtcourmayeur.com before your race.
How the splits are allocated
Your goal time is split across the GTC30 legs by km-effort: distance + gain/100 + loss/200. Full methodology.
Build a training plan for GTC30
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