21 km

Distance:21 km
Total climbing (D+):680 meters
Total descent (D-):680 meters
Start date:13.07.2024 07:00
Time limit:4 hours
ITRA category: -
Minimum elevation:432 m.s.l.
Maximum elevation:739 m.s.l.
Average elevation:578 m.s.l.
Maximum difference:301 meters
Start elevation:443 m.s.l.
End elevation:443 m.s.l.

Aid stations

AID / Info Km From Start Supplies GPS Coordinates To Next Station Cut off
AID "Bozhentsi" 12.3 km Food, Beverages 42.872586, 25.424644 Distance: 10.22 km
D+: 308 m
D-: 122 m

Required equipment

  • container(s) holding at least 0.5 litter of water – plastic bottle for running, water-skin or other (it is important to notice that without a water container the participant will not be able to receive any water at the control points!)
  • Mobile phone with a fully charged battery – and (highly recommended) additional charged battery or power bank (using GPS or losing cover drains the battery power faster)
The required equipment will be checked at the start or when giving out the start packages. Every runner has to carry the required equipment by himself and can be checked at ANY aid station OR at the final when he/she finishes the race. A missing containers holding less than 0.5 liter of liquids will have a penalty of one hour. Anything else missing from the required equipment (including no liquid containers) will follow immediate disqualification.

Recommended equipment:

  • Whistle (to alert in case of an accident);
  • survival blanket
  • jacket (wind and water resistant)
  • food with energy equivalent of at least 500 kcal
  • a cup for water and other liquid (there will be no plastic cups at the aid stations)
  • Baseball cap or other means of sun protection (note – the race starts at 7 a.m. and the sun might be strong during the noon hours);
  • Polyester clothes, comfortable sports shoes for running – preferably with trail tread;
  • Insect repellents, sunscreen cosmetics.
There are no penalties for missing recommended equipment.


  • Pre-enrollment 02/12/2024 incl.: 35 EUR
  • Early booking – from 02/13. to 05/20/2024 incl.: 45 EUR
  • Standard price – from 05/21/2024 to 06/24/2024 incl.: 55 EUR


* After 24.06 registrations are not accepted. Registration on site is not performed (excl. for the 3 km distance)

* Distance can be changed before payment.

* For all participants of all distances there is provided: water, medical care, aid stations, electronic reporting of results.

* All participants in the distances 21, 42, 80, 100 and 153 kilometers receive additional gift - unique shirt iRun.bg / Tryavna Ultra, branded specifically for the event, and all finishers on those distances - a unique medal.




Europe Trail Cup



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