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
run a marathon
Grammar usage guide and real-world examplesUSAGE SUMMARY
"run a marathon" is a correct and usable phrase in written English.
You can use it to describe the physical act of running a marathon race. For example: "I have been training to run a marathon for the past six months."
✓ Grammatically correct
News & Media
Alternative expressions(1)
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
60 human-written examples
Run a marathon.
News & Media
He seems ready to run a marathon.
News & Media
I've never run a marathon.
News & Media
You don't have to run a marathon.
News & Media
She hopes to run a marathon next spring.
News & Media
I'm going to run a marathon.
News & Media
Goucher has never run a marathon.
News & Media
68 percent had run a marathon before.
News & Media
With ME you cannot run a marathon.
News & Media
Women's marathon, Los Angeles 1984 Women couldn't run a marathon.
News & Media
Maybe I could actually run a marathon, I concluded.
News & Media
Expert writing Tips
Best practice
When discussing marathon participation, clearly define the context: Are you talking about training, attempting, completing, or simply the idea of running a marathon? Use specific verbs and details to convey the precise meaning.
Common error
Avoid using "run a marathon" casually when you haven't adequately trained or prepared. Be realistic about the commitment and physical demands involved; clearly indicate your level of preparation or intention.
Source & Trust
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "run a marathon" primarily functions as a verb phrase. It describes the action of participating in and completing a marathon race. Ludwig AI confirms that it is a correct and usable phrase.
Frequent in
News & Media
80%
Science
10%
Formal & Business
5%
Less common in
Academia
2%
Encyclopedias
1%
Wiki
2%
Ludwig's WRAP-UP
The phrase "run a marathon" is a common and grammatically correct way to describe participating in and completing a 26.2-mile race. Ludwig AI confirms its usability, with examples spanning news, lifestyle, and sports contexts. While alternatives like "complete a marathon" or "train for a marathon" offer nuanced meanings, understanding the commitment and context is key to using the phrase accurately. Avoid casual use if you haven't adequately prepared, and be specific about your training or intentions. With high source quality and consistent usage, mastering "run a marathon" enhances clarity and precision in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
complete a marathon
Focuses on the completion aspect rather than the action of running.
finish a marathon
Highlights crossing the finish line after completing the race.
race a marathon
Highlights the competitive aspect of running a marathon.
compete in a marathon
Similar to 'race a marathon', emphasizing the competitive nature.
participate in a marathon
Emphasizes involvement in the event, whether or not the entire distance is covered.
tackle a marathon
Suggests facing the challenges inherent in running a marathon.
enter a marathon
Focuses on the act of registering for the race.
undertake a marathon
Implies a deliberate and significant commitment to running a marathon.
endure a marathon
Stresses the aspect of physical and mental endurance required.
train for a marathon
Shifts the focus to the preparation process rather than the event itself.
FAQs
How can I use "run a marathon" in a sentence?
You can use "run a marathon" in sentences like "I plan to "run a marathon" next year", "She has never "run a marathon" before", or "Do you want to "run a marathon" with me?"
What does it mean to say someone will "run a marathon"?
Saying someone will "run a marathon" means they intend to participate in and complete a 26.2-mile race, which requires significant physical endurance and training.
What can I say instead of "run a marathon"?
You can use alternatives like "complete a marathon", "participate in a marathon", or "train for a marathon" depending on the context.
Is it correct to say "I will marathon" instead of "I will "run a marathon""?
While "marathon" can be used as a verb, it is not common and might sound awkward. It is more common and clearer to say "I will "run a marathon"".
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
92%
Authority and reliability
4.8/5
Expert rating
Real-world application tested