Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a marathon work
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a marathon work" is not correct in English.
Did you mean "a marathon of work"? You can use the corrected phrase when describing a long and arduous task or project that requires significant effort and time. Example: "Completing the report was a marathon of work, taking several weeks to finish."
⚠ May contain grammatical issues
News & Media
Alternative expressions(20)
extensive project
a group effort
an exhaustive study
a game effort
a strenuous task
a prolonged exertion
a sustained effort
a sustained endeavor
a marathon election
a herculean task
an extended campaign
a running effort
a lengthy undertaking
a long haul
a marathon task
a demanding endeavor
a marathon endeavor
an extensive project
a race effort
a marathon struggle
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
"I think it played on my mind when I was sending the tweets, sometimes you have those nights, and it was a marathon work session on the phone as well, where afterwards you fall straight asleep or lie there thinking.
News & Media
Every semester I hear students bragging about how they stayed up for three days straight, how their hands are numb from drawing for so long, etc. Doing a marathon work session the night before the deadline is the worst move you can make.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
But for all of its swirling melodies, grand gestures and intensity (of a nonthreatening sort), it was difficult to get a handle on this marathon work.
News & Media
I have always charged headlong through my life, sprinting a marathon of work and children and relationships.
News & Media
That story sums up the dysfunction all of us are facing today - 'help isn't coming.' We are not being asked to run a marathon at work today.
News & Media
His marathon work hours are legendary.
News & Media
Ms. Marcus said she was also attracted to Mr. Turetsky's mind and passion for science and teaching, and impressed by his marathon work sessions.
News & Media
WORTHIEST HART TROPHY CONTENDER Not Sidney Crosby or Steven Stamkos or Toews, but Scot L. Beckenbaugh, the federal mediator whose marathon work in January put the league and the players' association in the same room and paved the way to a lockout settlement.
News & Media
On Day 1 of an unprecedented arm-poking marathon, working on the grand total of two hours' sleep, Rollins exited the Olympic speedskating oval in this suburban neighborhood of boxy one-story homes, Mormon churches and snow-covered athletic fields, trying to hold the figurative line as his drug-testing program took its maiden run down a sensitive and slippery slope.
News & Media
"He had the strength of a marathon runner; to work on his film for so many years and sometimes without money, then you have a goal".
News & Media
The dance component includes choreography by Kraig Patterson and Christina Suarez (tonight); Ellis Wood and Richard Rivera (tomorrow) and a marathon program of work by all the residents (next Sunday).
News & Media
Expert writing Tips
Best practice
Instead of using "a marathon work", consider using "a marathon of work" or alternatives like "extensive project" or "prolonged undertaking" for better clarity and grammatical correctness.
Common error
Avoid using "marathon" directly as an adjective modifying "work". While "marathon" can describe endurance activities, it's better to rephrase to something like "a marathon of work" or choose a more descriptive adjective such as "extensive" or "lengthy".
Source & Trust
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a marathon work" functions as a noun phrase, attempting to describe a task or project. However, it is considered grammatically incorrect by Ludwig AI, which suggests using "a marathon of work" instead to properly convey the intended meaning of a long and arduous task.
Frequent in
News & Media
100%
Science
0%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, while the phrase "a marathon work" aims to describe a long and arduous task, it's considered grammatically incorrect. Ludwig AI suggests using "a marathon of work" or clearer alternatives like "extensive project" or "prolonged undertaking". The phrase appears rarely, primarily in news and media contexts. For clarity and correctness, especially in formal settings, it's best to opt for more conventional phrasing. The limited usage and grammatical concerns contribute to a lower expert rating for this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a marathon of work
Replaces the adjective with a prepositional phrase, clarifying the noun's relation to "marathon".
an extensive work
Focuses on the breadth and scope of the work involved.
a prolonged undertaking
Emphasizes the duration and commitment required.
a lengthy project
Highlights the extended timeframe of the project.
a demanding endeavor
Focuses on the challenging nature of the work.
a strenuous task
Highlights the effort and energy required.
a sustained effort
Emphasizes the continuous application of energy and resources.
an exhaustive study
Highlights the thoroughness and detail involved.
a comprehensive analysis
Focuses on the broad scope and depth of the analysis.
a full-scale operation
Indicates a large and complex undertaking.
FAQs
Is "a marathon work" grammatically correct?
No, the phrase "a marathon work" is not considered grammatically correct. It is better to say "a marathon of work" or use alternatives like "extensive project" or "lengthy task".
What does "a marathon of work" mean?
The phrase "a marathon of work" describes a task or project that is long, arduous, and requires sustained effort, similar to running a marathon.
How can I use "a marathon of work" in a sentence?
You can use "a marathon of work" to describe a demanding task. For example: "Completing the report was "a marathon of work", taking several weeks to finish."
What are some alternatives to "a marathon of work"?
Alternatives to "a marathon of work" include "extensive project", "lengthy task", or "prolonged undertaking". These phrases convey the idea of a long and demanding effort.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
2.5/5
Expert rating
Real-world application tested