noun, noun which may take the genitive case particle 'no'
lapped; one or more laps behind
Used in racing contexts (running, swimming, motorsports) to describe a competitor who has been overtaken by the leader and is now a full lap behind.
He fell a lap behind, but kept on running.
noun, noun which may take the genitive case particle 'no'
behind the times; outdated
Figurative extension of the racing sense, used for people, ideas, or organizations that are lagging behind current trends or standards.
その会社の技術はもう周回遅れだ。
That company's technology is already behind the times.