6 and 12 h Self-Transcendence Races in Prague


Ultramarathons in Prague: 6 and 12 hour Self-Transcendence Races in the Stromovka Park

friendly atmosphere
flat and fast loop-course
big variety of food and drinks
personal counter & chip-timing
course in beautiful park
free post-race meal

About the event

Dear runners and long distance running enthusiasts,

Welcome on our 6/12 Hour Self-Transcendence Race website. The 22nd edition of the race in Prague's Stromovka Royal park is scheduled on Saturday 25th May 2019.

This race welcomes any kind of a runner. Both experienced ultra-marathoners and also those who want to try out something longer than a marathon will surely enjoy this event. The track is 1918.70 metres long, covered by trees in most parts and the surface is asphalt all the way. The elevation of one lap is close to zero. We strive to provide a very enthusiastic atmosphere, great variety of food and drinks and experienced medical team. Our counting team will support and cheer up all runners as they pass through the counting area. After the race is finished, we'll have a warm meal ready for you. We'll love to see you all there!

About the event

Date: Saturday 25.5.2019

Course: 1918,70 m course (measured by IAAF/AIM expert) lap in the Stromovka park, asphalt surface, 80% in shadow.

12 h race at 7:00, 6 h race at 13:00
Registrations start 90 min before each start and finish 30 min before the start. Final ceremony is scheduled approx. one hour after the race

Please, find the registration link on the right side of this page (in the blue rectangle).

You may wish to check your registration later here.

Results in 2018

Previous Results


6 h, 12 h
View course map »

Start time

  • 7:00 - 12 h Race
  • 13:00 - 6 h Race


  • 6 h: 33 € before | 40 € after 1/5/2019
  • 6 h relays: 28 € / runner | 40 € / runner after 1/5/2019
  • 12 h: 38 € before | 50 € after 1/5/2019
  • 12 h relays: 33 €/ runner before | 50 € after 1/5/2019
  • Our bank account nr. for paying the fee is 1024493924/6100
  • IBAN: CZ7961000000001024493924


Viharin Jaroslav Rosa
603 177 566
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Pataka Špaček
603 177 567, tel. 222 745 132, fax: 283 842 244
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  • IAU Bronze Label

Race details

Praha, Park Stromovka

The track length officially measured by a IAAF/AIMS entrusted person is 1 918,70 m.

Distance measurement

Number of rounds is recorded by a microchip system in combination with personal counting by volunteers. The distances run by each runner in the last unfinished lap are measured after the end of the race. Besides the possibility to check one's result personally with organizers big digital clock dispaying the race time and partial results for the first 7 runners in main categories on a blackboard nearby are always visible at the start area.


Please, find a link to "Enter online" as a button in the blue panel on the right side of this page.

Deadline for applications is on Sunday 5th of May 2019 and even though it may still be possible to apply with higher fee afterwards the sooner you apply for participation in the race the better because later and closer to the race date the capacity of the race might be filled up (total closing for applications is going to be announced on this page in such case). Moreover we may not guarantee T - shirts for runners who apply after the deadline (please, see the date above).

The last possibility to apply for the race is 24 h before the start.

You may cancel your application till the deadline (5/5/2019) without any cancellation fee. After this date a cancellation fee will be applied according to the related costs of the organizer.

Men – open (18 and more), 50-59, 60-69, 70 and more
Women – open (18 and more), 50-59, 60-69, 70 and more
Relays – open (18 and more)


Men – 18-49 Y/O, 50-59 Y/O, 60-69 Y/O, 70 and more Y/O
Women – 18-49 Y/O, 50-59 Y/O, 60-69 Y/O, 70+


Relays can be composed of 2 - 4 member team (single gender or mixed). They are classified as one category without regard to age and gender.

The relay runners may change in any order and intervals but only in a reserved area before the counting station.

Each relay receives only one T-shirt in the start package. Nevertheless more T-shirts can be ordered even though not later than 3 weeks before the race start. 


Competitors who finishes up to the 7th place in the main category take tropheys and prizes whereas first 3 places are rewarded in this way in other categories including relays.

Every participant gets a certificate at the final ceremony.

More Info

We provide a refreshment station with variety of warm and cool food and drinks and a warm meal after the race. Limited space for personal refreshments & props available at the track. Medical station with massage service, tents for changing.

Trophies and prizes will be given to the first seven places
in main open categories and to the first three places in other categories
(veterans and relays).

Available in front of the expo complex "Vystaviste" or in the neighbouring streets. It is also possible to park in "Za elektrárnou" street, in the back of the park, near the bridge accross the river canal. All the parking possibilities are paid as usual in this area. Parking is not allowed inside the Stromovka park.