English Reference

Word

marathon

US/ˈmɛɹəˌθɑn/

UK/mˈæɹəθən/

Definitions

01running race

B1 · Intermediate Countable noun Sports

n. a long-distance running race that is exactly 42.195 kilometres (about 26 miles) long.

n. a long-distance road race with an official distance of 42.195 kilometres.

“She trained for six months before she finally ran her first marathon.”

“Elite runners from across the globe gathered for the Boston Marathon, hoping to break the course record under ideal weather conditions.”

Synonyms

long-distance race

Antonyms

02long activity

B2 · Upper Intermediate Countable noun

n. any activity that lasts a long time and needs a lot of energy or patience.

n. any contest, event, or task that is notably long in duration and requires exceptional endurance.

“The final negotiation was a ten-hour marathon that left everyone exhausted.”

“The coding session turned into a forty-eight-hour marathon as the developers scrambled to patch the security vulnerability before the product launch.”

Synonyms

endurance testslog

03watching media

C1 · Advanced Informal

v. to watch many episodes of a TV show or several movies in a row.

v. to consume a large volume of media content, such as a television series or film franchise, in a single continuous session.

“We decided to marathon the entire trilogy on Saturday afternoon.”

“During the holiday break, they opted to marathon the complete series, finishing all five seasons in less than a week.”

Usage

Often used transitively with a TV show or film series as the direct object.

Synonyms

binge-watch

Collocations

Common phrases and expressions where native English speakers use the word “marathon” in context.

Verb

01. complete a marathon

“It was a huge personal achievement for him to complete the marathon in under four hours.”

verb + noun

02. enter a marathon

“Thousands of amateur runners enter the London Marathon every year.”

verb + noun

03. run a marathon

“She has been training for six months to run her first marathon.”

verb + noun

Adjective

04. annual marathon

“The city prepares for months to host the annual marathon in the spring.”

adj + noun

05. grueling marathon

“After a grueling marathon session of negotiations, the two companies finally reached an agreement.”

adj + noun

Noun

06. marathon runner

“The elite marathon runner crossed the finish line while the crowd cheered loudly.”

noun + noun

07. marathon training

“You need to follow a strict marathon training schedule to avoid injuries.”

noun + noun

Preposition

08. in a marathon

“Pacing yourself is the most important strategy when competing in a marathon.”

prep + noun

09. marathons in days

Real-World Examples

“The singer-songwriter’s performance at the Old Bookbinders is part of a marathon effort to play a gig every day this year.”
The Guardian 21 Aug 2026
“But after running the New York marathon, she got injured.”
The Guardian 18 Aug 2026

Etymology

From Ancient Greek Μαραθών (Marathṓn). Doublet of marathon.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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