- Team Magic
- A source for duathlon and triathlon races. Race information and schedule, calendar, entry form, results, and links.
- Harvest Hammer Duathlon
- Duathlon situated in the heart of Northwestern Illinois. A five kilometer run combined with a 21 mile bike event over rolling terrain. Held in Morrison.
- Powerman Holland Duathlon
- Includes entry list and form, maps, events, photos, FAQ, results, hall of fame, directions, and accommodation information.