Maui Multi Sports Club
- http://www.mauimultisportsclub.org/
- Maui non-profit organization sponsors multi sports activities in Hawaii. Running, biking, swimming, canoe, kayak, surfing, and duathlons. Events include the Kings Trail Triathlon.
MultiSportsCanada.com
- http://www.multisportscanada.com/
- Sponsors of a series of multisport events held throughout Canada with various awards and prizes. Site provides general information, points system, events listing.
Multisports Promotions Ltd and MSPro Training
- http://www.mspro.co.uk/
- Event organisers of triathlons, duathlons, running, cycling, swimming, adventure racing, training camps, and its triathlon academy. MSPro training links athletic training with business and corporate training.