subcontest
/ˈsʌb.kən.tɛst/Definitions
1. noun
A contest or competition that is a subsidiary or secondary part of a larger contest or competition.
“The subcontest for the best costume was won by a group of friends who spent weeks preparing their elaborate design.”
2. noun
A smaller or less important contest or competition.
“The subcontest was a smaller version of the main tournament, featuring up-and-coming players.”