BestRacesRank 149 marathons by a fixed formula and the podium mostly confirms what runners already believe — but the margins are where it gets interesting.
1. New York City Marathon — 100/100
New York, NY · est. 1970 · ~59,000 runners
The scoring anchor. The largest marathon field in the country, five and a half decades of history, full credentials, and a five-borough course nobody confuses with anywhere else. Perfect component scores across the board: the race every other race is measured against.
2. Chicago Marathon — 94.5
Chicago, IL · est. 1977 · ~54,000 runners
Field and credentials match New York point for point — a 100 on both. The gap is character: fast, flat, and famously PR-friendly is a virtue, but our formula rewards distinctiveness, and Chicago’s efficiency is its personality.
3. Boston Marathon — 93.3
Boston, MA · est. 1897 · ~30,000 runners
The oldest annual marathon in the world maxes out history and credentials — you have to qualify to stand on that start line. It ranks third only because its deliberately capped field concedes points to the two giants above it. If prestige were a scored component, this ordering would flip.
4. Marine Corps Marathon — 90.8
Arlington, VA · est. 1976 · ~30,000 runners
“The People’s Marathon” posts a perfect character score — Marines at every mile, monuments on the course, no prize purse by design. What holds it to fourth is credentials: it has never been a Boston qualifier’s favorite for time-chasing, and our credential component is stingier with it than with the podium above.
5. Grandma’s Marathon — 87.1
Duluth, MN · est. 1977 · ~9,000 runners
The smallest field in the top five by a factor of three, and it doesn’t matter. A point-to-point along Lake Superior, a town that turns itself over to the race, and another perfect character score. Grandma’s is the proof that our formula isn’t just a crowd counter.
The other 144 marathons — every one with the same four-part breakdown — are on the full marathon rankings. Disagree with a score? The receipts are right there.