Dictionary.com
Thesaurus.com

obstacle race

American  
[ob-stuh-kuhl reys] / ˈɒb stə kəl ˌreɪs /

noun

  1. a race in which the contestants are prevented in a specific way from covering the full course at top speed, as by having hurdles to jump, mud pits to cross, or ropes or walls to climb.


obstacle race British  

noun

  1. a race in which competitors have to negotiate various obstacles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of obstacle race

First recorded in 1865–70