Contest Involving Swimming, Cycling and Running

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2170, Puzzle 4 (Phosphate Layers).

Question is: Contest Involving Swimming, Cycling and Running

and the answer is: TRIATHLON

Word Meaning:

TRIATHLON — An athletics event in which contestants compete in swimming, cycling and running in turn.

Definitions from Wiktionary.

Contest Involving Swimming, Cycling And Running - Underground Worlds CodyCross Answers | CodyCross Solutions