The men’s marathon record is 2:00:35 and the women’s marathon record is 2:09:56, both set in Chicago under World Athletics record rules.
People ask this question for one reason: they want a clean number they can trust. A marathon is 26.2 miles (42.195 km), and the “record” that counts is the one ratified by World Athletics after checks on the course, timing, and anti-doping.
That last part matters. Lots of marathons are fast, and plenty of runs are faster on paper. The official record is the performance that survives the paperwork and the rulebook. Once you know what gets checked, the record list stops feeling mysterious and starts feeling straightforward.
World Record Marathon Time And What Counts
World Athletics is the global rules body that ratifies athletics world records, including road events like the marathon. For the men, it ratified Kelvin Kiptum’s 2:00:35 from the Chicago Marathon (8 October 2023) as the men’s world marathon record, after a full records review.
For the women, it later ratified Ruth Chepngetich’s 2:09:56 from the Chicago Marathon (13 October 2024) as the women’s world marathon record, replacing the prior record line once the record process cleared.
People also bump into a second label on women’s results: “women-only.” That means a separate women’s race that is separated from men, with no male runners in the competition. World Athletics reports are careful with asterisks on brand-new marks, since ratification comes later. In April 2025, World Athletics reported Tigist Assefa’s 2:15:50 in London as a women-only world-record performance, with the usual note that records go through the ratification pipeline.
What Is The World Record For The Marathon? Numbers And Names
If you want the short, reliable answer for today, use the two ratified marks below. They are the ones World Athletics recognizes on its record list and in its press releases:
- Men: 2:00:35 — Kelvin Kiptum, Chicago Marathon, 8 October 2023 (ratified by World Athletics).
- Women: 2:09:56 — Ruth Chepngetich, Chicago Marathon, 13 October 2024 (ratified by World Athletics).
Those times sound unreal until you convert them into pace. A 2:00:35 marathon works out to about 2:52 per kilometer and about 4:36 per mile. A 2:09:56 marathon works out to about 3:05 per kilometer and about 4:57 per mile. That’s not a late-race surge. That’s the whole day.
It’s also why people argue about what “counts.” The official record is not a vibe. It’s a checklist. When that checklist is met, the mark stands even if fans debate shoes, pacers, or race tactics.
Why Some Super-Fast Marathons Don’t Make The Record Book
You’ll see extraordinary marathon times that never show up as world records. Most of the time, it has nothing to do with the runner and all to do with eligibility.
Course Measurement And Certification
World records must be run on a properly measured course, with a current course measurement certificate. That certificate has an expiry window, and race organizers renew it on a schedule. World Athletics summarizes this under its certified road events criteria, including the measurement and certification requirement. World Athletics criteria for certified road events spells out what a course needs so a performance can be eligible for world records.
Start-To-Finish Separation And Elevation Drop
Two course features can disqualify a run from world-record status, even when the distance is correct: a large point-to-point separation and too much net downhill. World Athletics sets limits on how far apart the start and finish can be (measured in a straight line), and how much the course can drop from start to finish. Those limits are intended to stop “wind-assisted” or “downhill-assisted” layouts from becoming record factories.
Timing, Officials, And Anti-Doping
World records rely on proper timing, auditable results, and anti-doping controls. Ratification comes after those checks, not on race day.
Record Labels You’ll See And What They Mean
Marathon stats pages often include short tags that confuse new readers. This table decodes the labels you’ll see around world-record talk, and it also shows why two times in the same week can land in different categories.
| Label On Results | Plain Meaning | Why It Changes Record Talk |
|---|---|---|
| World Record (Men) | The fastest ratified men’s marathon performance under World Athletics rules. | This is the headline mark: 2:00:35 by Kelvin Kiptum in Chicago. |
| World Record (Women) | The fastest ratified women’s marathon performance under World Athletics rules. | This is the headline mark: 2:09:56 by Ruth Chepngetich in Chicago. |
| Mixed Race | Men and women compete in the same race, usually with separate prizes. | Most major marathons are mixed races; women can benefit from shared pacing packs. |
| Women-Only Race | A separate women’s race that is separated from men, with no men in the field. | World Athletics recognizes this category in road running stats, so it can have its own record line. |
| Record-Eligible Course | A measured course that meets separation and net-drop limits. | A fast time on a course outside the limits can be a great run, but it can’t be a world record. |
| Course Record | The fastest time ever run at that specific marathon. | A course record can be faster than some world records from other eras, but it only applies to that race. |
| Best Performance, Not Ratified Yet | A time that looks record-level but still awaits the official ratification step. | News reports may use an asterisk until the paperwork and testing checks are completed. |
| World Best | A top time in a setting where “world record” is not the right label. | Some events or formats use “world best” language instead of a world record line. |
When you cite the numbers, link to the ratification notices, not a recap. Here are the governing-body pages that lock the record lines: Kiptum’s 2:00:35 ratification, Chepngetich’s 2:09:56 ratification, and the women-only record report from London.
How World Record Pace Looks On Paper
Record pace is steady, not dramatic. A small slowdown each kilometer can erase a record attempt, so top groups protect rhythm from the first 5 km to the last drink station.
What Gets Checked Before A Record Is Ratified
If you’re writing, coaching, or fact-checking, this is the part that saves you from repeating a rumor. World-record status is not a social-media label; it’s a documented process.
Course Legality In Two Simple Tests
World Athletics lists two course filters that block records on point-to-point and net-downhill routes. The start and finish can’t be too far apart, and the net drop can’t exceed the limit set for record-eligible races. Those criteria are listed on World Athletics’ certified road events page along with the course measurement rules.
Measurement Certificate Window
The course has to be measured by approved measurers and the certificate must be current. If a race forgets to renew, it can still be a great event, but the performance won’t be record-eligible.
Competition Rules And Officials
Records come from races run under the rules: proper officiating, fair starts, and a results system that can be audited. This is boring stuff, and it’s also the stuff that keeps records credible.
Anti-Doping Results And Administrative Review
Ratification announcements arrive after the athlete’s sample checks and the event file review. That’s why the “ratified” press releases matter. They’re the moment the governing body says the record is in the book.
Quick Ways To Spot Confusing Record Claims
Some headlines sound right and still mislead. A “fastest ever” claim might refer to a course record, a women-only result, or a time set on a course that fails record eligibility.
Here’s a compact checklist you can run in a minute. It won’t make you a rules official, but it will stop the most common mistakes.
| Check | What To Look For | Where To Confirm |
|---|---|---|
| Is it ratified? | Look for “ratified” language, not just “set a record.” | World Athletics press releases for ratified records. |
| Which category? | Men, women, or women-only can be different lines in road running stats. | World Athletics reports and records listings. |
| Course eligibility | Measured course, start-finish separation within the limit, net drop within the limit. | World Athletics certified road events criteria. |
| Race date and place | World records list the city and the exact date. | Ratification release and event results page. |
| Timing format | Use official gun time from the results, not chip splits or pace apps. | Official race results and governing-body release. |
| Headline math | Watch for unit mix-ups (per mile vs per km) or rounding errors. | Recalculate pace from 42.195 km or 26.2 miles. |
Why Records Keep Falling
Recent records come from deeper top fields, smarter pacing, and better fueling. Shoe design has also changed, and the record line has moved with it.
The standard for a world record still stays the same: a measured course, a real race, and a time that clears the ratification checks.
A Reader’s Takeaway You Can Use Right Away
If you came here for the single number, you now have it. If you came here because you saw a headline and wanted to know if it’s real, you also have a way to check.
When someone claims a marathon “world record,” ask two questions: Was it ratified, and which category are they talking about? That tiny habit keeps your facts clean and saves you from repeating the wrong record line.
References & Sources
- World Athletics.“Ratified: Kiptum’s world marathon record.”Official ratification notice for the men’s 2:00:35 marathon record from Chicago.
- World Athletics.“Ratified: world records for Chebet, Duplantis, McLaughlin-Levrone, Chepngetich and Kawano.”Official press release that includes the women’s 2:09:56 marathon record by Ruth Chepngetich.
- World Athletics.“Certified road events.”Eligibility criteria for road-event performances, including course measurement, start-finish separation, and net elevation drop limits.
- World Athletics.“Assefa breaks women-only marathon world record with 2:15:50 in London.”Race report documenting the women-only record-level performance and explaining the women-only category context.