English Reference

Word

ironman

Phoneticsiron·man

Countable noun Sports

Definition

n. an extremely difficult race that includes swimming, cycling, and running a full marathon. It is also used to describe a person who has a lot of physical or mental strength.

n. a long-distance triathlon consisting of a 2.4-mile swim, a 112-mile bicycle ride, and a 26.2-mile run. Often used figuratively to describe an individual possessing exceptional physical or mental endurance.

Examples

“He trained for a year to complete his first ironman.”

“Completing an ironman requires a rigorous training schedule and a strict diet to maintain energy levels.”

Examples

simple

“He trained for a year to complete his first ironman.”

contextual

“Completing an ironman requires a rigorous training schedule and a strict diet to maintain energy levels.”

Usage

Often capitalised as 'Ironman' when referring to the specific branded event series.

Real-World Examples

“On average, 8% of the athletes on the start line at an Ironman will not finish the race.”
Triathlete 19 Dec 2025

Word family

Domain

Sports

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
Occasional
Level
B2 · Upper Intermediate
Updated

QR code

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English Reference