The registration is completely electronic and is open until March 15, 2019 or until 200 registrations limit is reached. There will be no registration at the day of the event. Changes of the distances and the team members of the relays could be made not later than 03.03.2019 on *

The fees are:

 - 31.12.201801.01.2019 - 31.01.201901.02.2019 - 01.03.201902.03.2019 - 15.03.2019
Сам бегач 12 часа / Single runner 12 hours29 лв.34 лв.44 лв.54 лв.
Сам бегач 6 часа / Single runner 6 hours29 лв.34 лв.44 лв.54 лв.
Отбор 2-ма 6 часа / Relay team of 2 6 hours59 лв.69 лв.89 лв.109 лв.
Отбор 3-ма 6 часа / Relay team of 3 6 hours89 лв.104 лв.134 лв.164 лв.

There are a medal and long sleeve t-shirt included in the fee.

Register here.


All races start on 17.03.2019 at 11:00 and end at 17:00. All participants should be at the start at 10:30 for instructions. Тhe participants in the 12 hour will start at 5:00 and the main event will start at 11:00 and all activities related to the main event will shift with 2 hours.

Starting bibs will be given on the days before the race at the office of Begach – 85 Evlogi and Hristo Georgievi blvd.


Sofia, South park, the round lawn next to the entrance of the park from Vitosha blvd.

Screenshot 2016-01-23 16.25.11


A closed loop of 648.2m, measured by certified measurer. The route will be marked and parts of it will be fenced, but still it will be open for citizens and the runners should bе careful. The organizers will try to build a starting zone only for the participants.


Individual, teams of two, teams of three


  • The participants compete who will run the most loops for 6/12 hours.
  • The direction of running will be changed every third hour.
  • During the event every participant can run, walk or rest out of the route as the rest is done in the starting zone and he needs to inform the organizers for it.
  • The participant can return to the route after he informs the organizres.
  • Only one participant from teams can be on the route at every moment.
  • The change of participant in teams occurs every second hour (for teams of three) or at the third hour (for the teams of two).
  • At the sixth hour the competition ends and participants can finish the loop they have already started. There will be separate rating for male and female individual participants as well as for teams of two and for teams of three.



The results in Spring360, individually and in relay teams, are based on number of laps. If equal, the time is taken in consideration.


Water, isotonic drinks, fruits and salty snacks


Organizers will try to provide place for bagage but they do not take responsibility for its security

*Changes of the distances and the team members of the relays

Till 03.03.2019, on, you could made these changes:

  • From 12 hours to 6 hours
  • From 6 hours to 12 hours
  • From a “relay” to an individual participation, for one of the relay members. But not from a relay to “2 individual participation” or from a “relay” to “3 individual participations
  • Changing the team members of the relay. But nоt from “2 member relay” to “3 member relay” and vice versa.