Decathlete

Roll the 100 meter race From John Allen via Dustin's Page
In the 100 meter race when the announcer says course numbers press up, left, down, right, Y, up, left, down, right, X. You will roll the race instead of running it.

Alternate 100 Meter Codes From Alistair Felton via Dustin's Page
To do the roll code rotate the pad clockwise and press X To do the hop code rotate the pad counterclockwise and press X

Alternate High Jump Styles from Jon Allen on r.g.v.s
In the high jump, after you select your hight, and before you start running, if you push left or right you can choose one of three different types of jumps. You will see the camera angle change. There's the regular jump, one that is like a jump kick, and one that is like a barrel roll. Controll the Blimp - From Poom on rec.games.video.sega (from Dustin's Page)
In the events were the blimp appears the 2nd player can controll it's circular motion with the R-Shift button

Shotput Tip - from Dustin, from his page
This is an undocumented feature of the shotput. When your players power reaches the far left instead of pressing the action button, move the D-Pad in a circular motion and you will spin like you do in the discuss. Then release the ball.

Shift Camera's in Shot Put From Jeff Sideno via Dustin's Page
After throwing the shotput press Left or Right to shift the camera angles.

Hop Scotch the 100 meters From Jeff Sideno via Dustin's Page
In the 100 Meters as the announcer says "Course #..." press up, left, down, right, x. If done correctly you should hop scotch the race.