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The 2021 ITU Multisport World Championships will take place in Almere from September 3rd to September 12th.

The ITU Multisport World Championships will contain 6 World Championships races:

September 4th        Sprint Duathlon (5k – 20k – 2,5k)
September 5th        Standard Duathlon (10k – 40k – 5k)
September 7th        Cross Triathlon  (1,5k – 30k – 7,5k)
September 9th      Aquathlon (1k – 5k)
September 11th      Aquabike (3,8k – 180k)
September 11th      Long Distance Triathlon (3,8k – 180k – 42,195k)

Entry fees for the events are listed on the Entry Fee webpage.

Register for four or more races and become a Multisport Legend. Check out the page for details and requirements for this title.

Age-Group (AG) athletes will be registered through their National Federation (NF) by a designated AG Team Manager. AG athletes need to contact their National Federation for further information. In case an athlete is not able to get in touch with his/her National Federation, he/she should contact:

Any athlete who is participating in more than 1 event will need to be registered separately in each event by his/her NF. NFs are to collect the entry fees from athletes. No athlete can directly pay the organizing committee.

Please note that your NF entry fee may be higher than the one above to cover the national support team provided on site by your NF (team managers, bike mechanics, doctors, social functions, etc.). For more details please contact your NF.

In case of the NTB (Dutch Triathlon Federation), the qualification requirements are described here:

Registration for the Open races (not World Championships) can be found here

Our Long Distance Open Series is sold out: we reached our maximum capacity of athletes already! Registration for the Open Series is still possible, but then you will be added to our ‘waiting list’. 60 days before the race there will be some extra spots added to the race, but not sure how many! You can register for the waiting list by sending an email to Of course you can compete at the World Championships serie! Registration goes via your national federation then!