Thesaurus
To save this word, you'll need to log in.
Synonyms of ultramarathon
as in race, marathon
Synonyms & Near Synonyms for ultramarathon
Keep scrolling for more
Keep scrolling for more
Comments on ultramarathon
What made you want to look up ultramarathon? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Name that Thing: Flower Edition
- Name that flower
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Share ultramarathon
Time Traveler for ultramarathon
The first known use of ultramarathon was in 1977
See more words from the same year