torch race vs relay race

torch race and relay race both are nouns.

Word	Noun	Adjective	Verb	Adverb
torch race	Yes	No	No	No
relay race	Yes	No	No	No

As nouns, relay race is a hypernym of torch race; that is, relay race is a word with a broader meaning than torch race:

torch race: (ancient Greece) in which a torch is passed from one runner to the next
relay race: a race between teams; each member runs or swims part of the distance

Other hypernyms of torch race include relay.

torch race (noun)	relay race (noun)
(ancient Greece) in which a torch is passed from one runner to the next	a race between teams; each member runs or swims part of the distance