Audenzia

Once each year in the city of Audenzia, each boy and girl turning the age of sixteen within the year must participate in a grand race.
All of the 100 sixteen year olds must make it through the kilometres of the forest, protected by the city and city border. Those who win get first pick of employment and partners.
The one problem, none of the adolescents have been in the forest. Creating zero ideas on what they will be thrown into and what problems they will face. And with this year, apparently not for the government either.
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Aurie has lived her entire life within the walls of the city of Audenzia. Residents aren't allowed outside of the walls, and as far as they know, there's nothing there.

Keaton lives in Audenzia, but he's never really fit in. Despite only certain lengths of hair and certain clothes to wear being allowed, he's always looked different from everyone else .

What happens in the race when they both find themselves with an unexpected person?

Not everything is as it seems in the city.
Not everything told about outside the walls is the truth.