Top 50 Marathons in United States
This curated ranking covers the 50 largest marathons in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 144 marathons tracked in United States, the 50 ranked here account for the largest measured audience reach. Boston Marathon, New York City Marathon and Chicago Marathon lead the list with a combined estimated audience of 10,666,154 people. Across all 50 entries the average audience size is 441,988, and the largest, Boston Marathon, reaches around 4,216,886 people in United States. Audience size is the estimated number of unique people in United States who actively engage with each marathon, derived from search demand signals. Rankings reflect search-behavior signals collected across United States and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Boston Marathon |
4,216,886 | 86.4% | Marathon | Sports |
| 2 |  New York City Marathon |
3,325,065 | 45.2% | Marathon | Sports |
| 3 |  Chicago Marathon |
3,124,203 | 43.6% | Marathon | Sports |
| 4 |  Rock 'n' Roll Marathon Series |
2,465,574 | 94.4% | Marathon | Sports |
| 5 |  World Marathon Majors |
1,321,750 | 48.9% | Marathon | Sports |
| 6 |  Berlin Marathon |
1,311,869 | 29.4% | Marathon | Sports |
| 7 |  New York City Half Marathon |
830,802 | 77.0% | Marathon | Sports |
| 8 |  Los Angeles Marathon |
572,307 | 90.9% | Marathon | Sports |
| 9 |  Brooklyn Academy of Music |
372,260 | 34.7% | Marathon | Arts & Culture |
| 10 |  Chicago Half Marathon |
347,969 | 90.5% | Marathon | Sports |
| 11 |  London Marathon |
289,688 | 8.7% | Marathon | Sports |
| 12 |  Marine Corps Marathon |
286,250 | 92.9% | Marathon | Sports |
| 13 |  Tokyo Marathon |
283,556 | 11.3% | Marathon | Sports |
| 14 |  Philadelphia Marathon |
278,177 | 95.2% | Marathon | Sports |
| 15 |  Big Sur International Marathon |
273,179 | 94.8% | Marathon | Sports |
| 16 |  Badwater Ultramarathon |
176,164 | 33.7% | Marathon | Sports |
| 17 |  Houston Marathon |
170,367 | 86.2% | Marathon | Sports |
| 18 |  San Francisco Marathon |
138,653 | 62.5% | Marathon | Sports |
| 19 |  Miami Marathon |
134,820 | 63.4% | Marathon | Sports |
| 20 | Pittsburgh Marathon |
126,093 | 96.1% | Marathon | Sports |
| 21 |  Marathon des Sables |
119,859 | 6.7% | Marathon | Sports |
| 22 |  Eugene Marathon |
116,133 | 99.7% | Marathon | Sports |
| 23 |  Honolulu Marathon |
113,680 | 63.7% | Marathon | Sports |
| 24 |  Paris Marathon |
110,016 | 8.8% | Marathon | Sports |
| 25 |  Rock 'n' Roll Las Vegas Marathon |
105,773 | 91.1% | Marathon | Sports |
| 26 |  Rotterdam Marathon |
104,179 | 23.6% | Marathon | Sports |
| 27 |  Gold Coast Marathon |
95,780 | 21.6% | Marathon | Sports |
| 28 |  Rock 'n' Roll San Diego Marathon |
82,393 | 77.7% | Marathon | Sports |
| 29 |  Oklahoma City Memorial Marathon |
76,574 | 99.5% | Marathon | Sports |
| 30 |  Portland Marathon |
76,213 | 81.1% | Marathon | Sports |
| 31 |  San Diego Half Marathon |
74,841 | 80.9% | Marathon | Sports |
| 32 |  Twin Cities Marathon |
74,043 | 88.5% | Marathon | Sports |
| 33 |  Amsterdam Marathon |
73,700 | 13.2% | Marathon | Sports |
| 34 |  Paris Half Marathon |
71,454 | 17.2% | Marathon | Sports |
| 35 |  Detroit Free Press Marathon |
67,989 | 81.2% | Marathon | Sports |
| 36 |  Greater Manchester Marathon |
65,807 | 17.9% | Marathon | Sports |
| 37 |  Brighton Marathon |
65,607 | 11.9% | Marathon | Sports |
| 38 |  Dallas Marathon |
62,407 | 83.7% | Marathon | Sports |
| 39 |  Cowtown Marathon |
49,631 | 99.3% | Marathon | Sports |
| 40 |  Rock 'n' Roll Arizona Marathon |
49,364 | 98.4% | Marathon | Sports |
| 41 |  Columbus Marathon |
48,071 | 95.0% | Marathon | Sports |
| 42 |  Rome Marathon |
47,316 | 10.6% | Marathon | Sports |
| 43 |  Colorado Marathon |
47,125 | 99.8% | Marathon | Sports |
| 44 |  Dublin Marathon |
39,591 | 14.8% | Marathon | Sports |
| 45 |  Melbourne Marathon |
39,033 | 17.2% | Marathon | Sports |
| 46 |  Avenue of the Giants Marathon |
36,616 | 99.7% | Marathon | Sports |
| 47 |  Fargo Marathon |
36,554 | 99.5% | Marathon | Sports |
| 48 |  Utah Valley Marathon |
36,183 | 99.5% | Marathon | Sports |
| 49 |  Athens Classic Marathon |
34,558 | 62.9% | Marathon | Sports |
| 50 |  Great Wall Marathon |
33,280 | 36.9% | Marathon | Sports |
Frequently asked questions
How is this Top 50 list compiled?
Rascasse aggregates anonymized search-behavior signals across United States and ranks each marathon by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest marathon in United States?
Boston Marathon currently leads with an estimated audience of 4,216,886 people in United States.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across United States. Lists below 5 entries are not published. See methodology for full details.