Timex IRONMAN User Manual page 50

Sports 1 and 2 can be set to:

Run, Bike, Swim and Other.
Sport 3 can be set to:

Run, Bike, Swim, Other.

Off: Multisport mode can be used to time brick workouts or biathlon events.
Transitions are used to track the amount of time spent in the transition area, between sports.
Once setting changes are complete, press the Back Button to exit Multisport Settings.
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