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Thialf Record Races 2023 (TRR2023)

On Wednesday 15 and Thursday 16 March, 2023 the 3rd International Masters’ Thialf Record Races (TRR2023) will be organized. On this page (which will be updated continuously) we will keep you informed about this international competition.


Dutch masters must register via the normal registering site. All other masters register via the IMSSC site. Here you find the announcement.


Ladies en men (from age group 30) four distance competitions and single distances:
– Sprint (500 m, 1.000 m, 500 m, 1.000 m)
– Allround Small (500 m, 1.500 m, 1.000 m, 3.000 m)
– Allround Normal (500 m, 3.000 m, 1.500 m and 5.000 m)
– Allround Big (500 m, 5.000 m, 1.500 m and 10.000 m)
– 3.000 m
– 5.000 m
– 10.000 m


Registration on the 1st day!

On day 1 ALL participants have to register at the registration table! This is on the press stand (in the corner near the 500m finish:

  • All Allround and Sprint competitors: before 09:30h
  • Single distance 3.000m/5.000m competitors: before 14:00h
  • Single distance 10.000m competitors: before 15:00h



Wednesday 15 March:

  • 10:00h Allround and Sprint competitions
  • 14:00h Single distances 10.000m, 5.000m and 3.000m
  • 17:00h End of the competition day

Thursday 16 March:

  • 10:00h Allround and Sprint competitions
  • 17:00h End of the competition day


Start lists



IMSSC World Records

During both days there were skated 278 season bests, 121 personal bests,  12 distance records and 8 points records. Here you can find them all: broken IMSSC World Records.



For the timekeeping, we will use transponders. Every skater gets a set of transponders just before his/her start of every race (excluding the 500m).


Ladies and men together

Contrary to the announcement, the ladies skate together with the men. This has been approved by the IMSSC. On this way, there will be no gaps in the start list and more nice races.


A few agreements for the smooth running and safety of the races

  • Make sure you are at the start on time
  • Participants are responsible for their arm bows
  • On the warm up lane: skate slow around the start location
  • On the warm up lane: skate as close as possible to the inner boarding and not skate next to each other
  • Do not enter the race track until the starter indicates this by means of a whistle
  • No cool down on the ice


Sportity App

Via the Sportity App you will be informed about the TRR2023 about important notices, start lists, time schedules and results. Load this app on your handy, register at “MCLN/” with password “MCLN2021”.


Training possibilities

Thialf Heerenveen
In the weekend before the TRR, Thialf is closed for training. But from Monday 13 March the training possibilities are:
Monday 13 March: 11.30-15.00
Tuesday 14 March: 11.30-15.00 / 20.15-22.30
Wednesday 15 March: 20.15-22.30
Here you can find all the opening times and you can order your tickets online.

Elfstedenhal Leeuwarden
In Leeuwarden, there are next possibilities:
Saturday 11 March: closed because of finals Marathon (see here more information about the program, nice to watch these spectacular races live in Leeuwarden)
Sunday 12 March: 09.00-10.30 / 12.00-16.30
Monday 13 March: 09.45-12.00 / 13.30-15.45
Tuesday 14 March: 13.30-15.45 / 20.15-22.30
Wednesday 15 March: 13.30-16.30 / 20.15-22.30
Here you can order your tickets.


IMSSC World Records

This competition will be held according to the Regulations of the International Masters’ Speed Skating Committee (IMSSC). The IMSSC Masters International Records can be broken. Here you find the current records.


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