Martial Excellence since 1970

WTMAS Open, International Summer Camp 2024

23-25 of August 2024 in Åkersberga, Stockholm archipelago, Sweden


1-3 days of excellent training in Okinawa karate and kobudo with Bo, Sai and Tonfa as well as Mugairyu iaido & Hachimanryu battojutsu and Karate. You can train only one day or over the weekend after your choice. Also posibilities for gradings on Sunday at 14.00 in karate, kobudo or iaido


  • You will train with soke Leif Hermansson, 60 years of training in Martial Arts, 54 trips to Japan and Okinawa for training.
    Promoted in Okinawa, Japan by Okinawan masters and organizations to 10 dan hanshi karatejutsu and Okinawa kobujutsu, and to Shihan in Mugairyu iaido & Hachimanryu battojutsu.
  • Renshi Petri Tabell, 6 dan Gojuryu karate, 6 dan Okinawa kobujutsu, 6 dan Hokama kobudo (Sweden).
  • Shidoin Malin Eklöf Heinonen, 4 dan Karate, Okinawa Kobujutsu, Mugairyu iaido and Hachimanryu battojutsu (Sweden).

For whom?

These are the seminars/camps for everyone, both the beginners and the masters who like to learn more to be better in his or her own skills.
Professional teaching for small groups in nice and relax atmosphere!


We will train outdoors with the Baltic Sea in Åkersberga, just 30 km north of Stockholm on the beach there you can swim after the training if you like. With rain/bad weather, we will train at the Kaizenkan Dojo, Hackstavägen 9, Åkersberga


  • Friday, 18-20 training at the Kaizenkan Dojo, Hackstavägen 9, Åkersberga

  • Saturday 10-13 and 15-18. Sunday 10-13 and 15-17 training outdoors.

Training fees:

For one session 400 SEK/40 euro, or 600 SEK/60 euro for a day, or 1500 SEK/150 euro for the weekend (Fri-Su) to pay in cash or swich with the start of the training camp.


No later 2 weeks before the camp by e-mail to:

Where to stay?

You can sleep at home if your home is close enough, or at the dojo in your own sleeping bag for 100 SEK or 10 euro/night, or at the Public Best Western hotel with Åkersberga Shopping Centre, 300 meter from the dojo (
Phone: +46 8 - 55 80 9000 for specialprice with 25 % discount. To get the special price you need to inform the hotel that you are coming to Kaizenkai Summer Camp, before you will pay.

To bring with you

Bring your own Gi and/or Hakama and the weapons you will train with. If you don´t have any weapons we have some you can use.


How to get there from the airport? By taxi if you are coming outside of Sweden.