100m is an event in the DS version of Mario & Sonic at the Olympic Games and the 3DS version of Mario & Sonic at the London 2012 Olympic Games. It is very, very short track, taking 8 to 10 seconds. A longer version of this track is 400m which takes 55 seconds. An even longer version of this track is 1500m, which is only the simple track to have boost pads. You can win all the time due to the length. In Wii version of Mario & Sonic at the Olympic Games, it has renamed 100m Dash and in Wii version of its successor, it has renamed 100m Sprint.
Controls (DS game)
Starting Dash: Touch the bottom screen with your stylus without releasing it until the voice says 'release.'
Run: Rub the touch screen with your stylus.
Sprint: Rub quickly near the finish when there is ! mark.
Controls (3DS game)
Starting Dash: Hold A Button and you'll see red fire. Release it when the voice shouts out 'release.'
Run: Touch A Button repeatedly.
Sprint: Touch A Button extremely quickly near the finish.