What distance can you cover for 2, 3, 6 or … 12 hours?
Spring360 is the first city ultra marathon in Bulgaria and first time constrained running competition.
Participants compete who will run longer distance in the given period of time. THe lap is 649 m in The South Park of Sofia.
We celebrate Spring since 2014.
Races
Team of three
Make a team of 3 and run 2 hours each. Start at noon.
Team of two
Convince a friend and run 3 hours each. Start at noon.
Solo 6 hours
The classic race for ultra runners. Start at 6 AM and finish at noon.
Solo 12 hours
Since 2017 we’ve added longer distance. For serious ultra runners. Start at 6:00 am, finish at 18 PM.
Route

Laps on the Large Meadow in the South Park. The lap allows to see all the competitors and at the same time to have a support station each 650 m. The course is flat. We are proud that during all the years of the event none of the competitors got lost.
Participations Fees
Super Early Bird
till 07.12.2022- Present
- Finisher Medal
- Personalized Number
- Medical Services on spot
- Closed course
- Free pizza for finishers
- *Fee 99/149 for teams pf 2/3
Early bird
till 27.12.2022- Present
- Finisher Medal
- Personalized Number
- Medical Services on spot
- Closed course
- Free pizza for finishers
- *Fee 119/179 for teams pf 2/3
Standard
till 23.01.2023- Present
- Finisher Medal
- Personalized Number
- Medical Services on spot
- Closed course
- Free pizza for finishers
- *Fee 139/209 for teams pf 2/3
Late
till 20.02.2023- Present
- Finisher Medal
- Personalized Number
- Medical Services on spot
- Closed course
- Free pizza for finishers
- *Fee 159/239 for teams pf 2/3
Super Late
if available- Present
- Finisher Medal
- Personalized Number
- Medical Services on spot
- Closed course
- Free pizza for finishers
- *Fee 199/249 for teams pf 2/3