Skip to content

Most used

Race Time Predictor Elevation-adjusted finish time GPX Explorer Visualize GPX routes in 2D or 3D Aid Station Planner Checkpoint times & pacing plan Nutrition Calculator Calories, carbs & hydration targets ITRA Score & UTMB Index Estimator Estimate your performance index from any result

All tools

GAP Calculator Grade-adjusted pace for any slope Drink Mix Builder Formulate DIY sports drinks Race Effort Estimator ITRA effort score & UTMB tier Pace Converter min/km, min/mi, km/h, mph Incline Calculator Grade, effort & energy cost Race Conditions Simulator Heat, altitude & night impact

Race Data Blog Pricing

Language EN FR

Sign in Start free Go to dashboard

Transylvania 100 - 50K course and race-day weather

Bran, Romania
50.2 km
3,160 m D+
7 aid stations

Starts in about 8 months Sat, May 29 · 07:00 GMT+3

Transylvania 100 · Transylvania 100K103 km Transylvania 80K83 km Transylvania 50K50 km Transylvania 30K30 km

Overview Course & weather Live , forecast live

Analyzing route...

Newsletter

Subscribe and get 15% off Premium.

Your email

Leave this empty

By subscribing you agree to receive the TrailMath newsletter. You can unsubscribe from any email, and read our privacy policy.

Race plans and periodized training for mountain ultras.

Product

Product
Training
Pricing
Race Data
Blog
Glossary
About
Contact

Tools

Race Time Predictor
GPX Explorer
Aid Station Planner
Nutrition Calculator
ITRA Score & UTMB Index Estimator
GAP Calculator
Drink Mix Builder
Race Effort Estimator
Pace Converter
Incline Calculator
Race Conditions Simulator

Legal

Privacy Policy
Terms of Use
Delete Account

© 2026 TrailMath. Built in Europe.