This would be considered a one-time prize winnings. When entering your 1099-MISC, you would select "This was prize winnings." under the uncommon situation (See Screenshot).
To enter 1099-MISC
information in TurboTax, log into your tax return (for TurboTax Online sign-in,
click Here and click on "Take
me to my return") type "1099misc"
in the search bar then select "jump to
1099misc". TurboTax will guide you in entering this information.