Multisport

Websites

Triathlon Race Calculator - calculate your splits, pace, and speed. There are also separate calculators for swim, bike, run and "body".

Duathlon (デュアスロン)

Calfman Japan - the JTU organises this winter duathlon series. TnT members attend the Kawasaki race.

MSPO Entry - entry for duathlon is through the MSPO website (in Japanese)

Aquathlon (アクアスロン)

JIOWSA - the Japan OWS Association organises a series of aquathon races (only Japanese information)

Swimrun (スイムラン )

ÖTILLÖ - website of the original swimrun organisation

Swimrun Japan - Japan Swimrun Association (Facebook)

Kaiyo 2017 - blog post about Japan's inaugral Swimrun race in Kaiyo, Shikoku

SwimRun Shop - online retailer of swimrun gear; they have a calendar of swimrun races around the world

Maranuma 2020 - photo album of Olivier & Youri's race in Gunma

Off-road

Off-Road Cycling: **NEW - TnT now has a page dedicated to everything off-road, including off-road triathlon, MTB, gravel, cyclocross, and gran fondo

Xterra - off-road triathlon organisation. The Asia-Pacific Championships are held in Kenting, Taiwan in March.

Xterra Japan - annual races held in Nenoue-kogen, Gifu and Marunuma, Gunma. 

ITU Cross Triathlon - information on the ITU's version of Xterra