TrailSplit: GPX to aid-station pacing plan in 60 seconds

Upload a race GPX, add aid stations and cutoffs, then get segment times, ETA, cutoff risk, and fueling numbers.

1) Course Input

Race title Race GPX file Race start (local) Elevation noise filter (m) Official D+ override Race website URL

No GPX loaded yet.

Course Map

Upload a GPX file to preview the route map.

Target finish time (HH:MM) Climb penalty (m = +1 flat km) Technical factor (1.00 to 1.60)

UTMB index (optional) Age Weight (kg) Gender Experience level Fueling strategy

Conservative Aggressive

Enter a valid target time to estimate full-race calories.

Add each aid station with distance, optional cutoff, aid type, and assistance flag.

📍 Name	🧭 Type	Σ Distance	↔ Inter distance	Σ D+	↗ Inter D+	⛰ Altitude	⚡ Fastest runner	🐢 Slowest runner	⏱ Cutoff (HH:MM)	🥤 Aid	🤝 Assistance	📝 Notes

Fueling brand

📍 Point	↔ Inter distance	↗ Inter D+	Σ Cumul distance	Σ Cumul D+	⛰ Altitude	⚡ Fastest	⏱ Cutoff	🥤 Aid	🤝 Assistance	🎒 Backpack on departure (kcal)	💧 Backpack on departure (L)	🍫 Backpack items on departure
Generate a plan to see your race card.