Get Your Predicted Finish Time
Use our predictor tool to estimate your finish time based on your UTMB Index and data from 16 finisher records.
Open Time PredictorRacing in Bulgaria?
Hotels near Persenk Ultra 120km
Book accommodation near the start
Flights to Bulgaria
Compare deals from major airlines
This free tool is supported by affiliate links
Gear up for your 120km race
Trail Shoes
For 100+ miles on technical terrain, invest in shoes you've tested thoroughly. Salomon and Inov-8 are proven choices.
Hydration Vest
A well-fitting vest is crucial for 100+ miles. Salomon ADV Skin is the gold standard. Test any vest on long training runs first.
Trekking Poles
With 4,800m of climbing, poles will save your legs. Worth the investment for this much elevation.
Headlamp
You'll definitely run through darkness. Bring a reliable headlamp (300+ lumens) and a backup. Petzl and Silva are trusted choices.
This free tool is supported by affiliate links
Similar Races
Ultra Trail Vitosha 100km
98.4km ยท 2,046m D+
Ultra Trail Vitosha Vitosha 100km
103.93km ยท 2,485m D+
Tryavna Ultra 140km
141.09km ยท 6,077m D+
Persenk Ultra 140km
134.19km ยท 6,044m D+
Persenk Ultra Wild Boar Ultra 100km
103.79km ยท 4,796m D+
Persenk Ultra Wild Boar Ultra 120km
111.88km ยท 4,710m D+