Gogara - Games of the Greatest All-Round Athletes

A multi-event sport comprised of 30 performance events and 19 competition events. There are ten events that people can submit results for and get an unofficial world ranking.
http://www.gogara.com/

STREND Fitness Challenge

Multi-fitness event consisting of six separate disciplines or exercises. The first five test upper body muscular STRength, the sixth tests cardiovascular ENDurance, hence the name STREND.
http://www.strend.com/

Sugarbush Triathlon

A unique four-event triathlon with running, paddling, cycling, and cross-country skiing. Held in Mad Valley, Vermont, USA.
http://www.vtliving.com/events/sugarbushtriathlon/

Forestry Tasmania Winter Challenge

The Challenge is an annual event run each August, by the Tasmanian Board of Canoe Education. It is a multi-sport event, comprising skiing, running, mountain biking, whitewater kayaking and road cyling legs, covering a total distance of 80 kms. Entry is
http://www.tased.edu.au/tasonline/fortaswc

Multisport Calendar for New Zealand

Listing multisport endurance events, triathlon, duathlon, running, mountain biking, cycling, kayaking in Canterbury, Westland, Nelson, Marlbourough, Central Otago.
http://www.multisportcalendar.com/