scavenger hunt race
A race, often at school sports days, where participants draw a card specifying an item or person to find and bring back before continuing.
In the sports day scavenger hunt race, I had to bring back 'a person wearing glasses'.
In the scavenger hunt race, you borrow the item written on the card and head for the goal.
Standard kanji spelling.
Variant spelling using 競走 (race/running competition) instead of 競争 (competition).
Compound of 借り物 (borrowed thing) and 競争 (competition/race).