Top 50 Marathons in Japan
This curated ranking covers the 50 largest marathons in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 69 marathons tracked in Japan, the 50 ranked here account for the largest measured audience reach. Tokyo Marathon, Marathon des Sables and New York City Marathon lead the list with a combined estimated audience of 997,457 people. Across all 50 entries the average audience size is 23,370, and the largest, Tokyo Marathon, reaches around 866,200 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each marathon, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Tokyo Marathon |
866,200 | 34.4% | Marathon | Sports |
| 2 |  Marathon des Sables |
94,576 | 5.3% | Marathon | Sports |
| 3 |  New York City Marathon |
36,681 | 0.5% | Marathon | Sports |
| 4 |  Chicago Marathon |
34,667 | 0.5% | Marathon | Sports |
| 5 |  Brooklyn Academy of Music |
26,371 | 2.5% | Marathon | Arts & Culture |
| 6 |  Berlin Marathon |
15,152 | 0.3% | Marathon | Sports |
| 7 |  Rock 'n' Roll Marathon Series |
14,597 | 0.6% | Marathon | Sports |
| 8 |  Barcelona Marathon |
8,919 | 2.7% | Marathon | Sports |
| 9 |  Honolulu Marathon |
7,988 | 4.5% | Marathon | Sports |
| 10 |  World Marathon Majors |
6,335 | 0.2% | Marathon | Sports |
| 11 |  London Marathon |
5,494 | 0.2% | Marathon | Sports |
| 12 |  Boston Marathon |
4,500 | 0.1% | Marathon | Sports |
| 13 |  Paris Marathon |
4,279 | 0.3% | Marathon | Sports |
| 14 |  Gold Coast Marathon |
4,096 | 0.9% | Marathon | Sports |
| 15 |  Singapore Marathon |
3,756 | 12.8% | Marathon | Sports |
| 16 |  Venice Marathon |
3,353 | 1.9% | Marathon | Sports |
| 17 |  Melbourne Marathon |
2,492 | 1.1% | Marathon | Sports |
| 18 |  Marine Corps Marathon |
2,314 | 0.8% | Marathon | Sports |
| 19 |  Badwater Ultramarathon |
2,175 | 0.4% | Marathon | Sports |
| 20 |  New York City Half Marathon |
1,850 | 0.2% | Marathon | Sports |
| 21 |  Comrades Marathon |
1,561 | 1.2% | Marathon | Sports |
| 22 |  Los Angeles Marathon |
1,432 | 0.2% | Marathon | Sports |
| 23 |  San Francisco Marathon |
1,380 | 0.6% | Marathon | Sports |
| 24 |  Amsterdam Marathon |
1,208 | 0.2% | Marathon | Sports |
| 25 |  Great Wall Marathon |
1,156 | 1.3% | Marathon | Sports |
| 26 |  Oslo Marathon |
1,149 | 0.6% | Marathon | Sports |
| 27 |  Prague Marathon |
1,136 | 0.8% | Marathon | Sports |
| 28 |  Greater Manchester Marathon |
1,009 | 0.3% | Marathon | Sports |
| 29 |  Big Sur International Marathon |
941 | 0.3% | Marathon | Sports |
| 30 |  Stockholm Marathon |
922 | 0.3% | Marathon | Sports |
| 31 |  Rome Marathon |
839 | 0.2% | Marathon | Sports |
| 32 |  Rotterdam Marathon |
689 | 0.2% | Marathon | Sports |
| 33 |  Houston Marathon |
667 | 0.3% | Marathon | Sports |
| 34 |  Mumbai Marathon |
572 | 0.1% | Marathon | Sports |
| 35 |  Philadelphia Marathon |
569 | 0.2% | Marathon | Sports |
| 36 |  Chicago Half Marathon |
563 | 0.1% | Marathon | Sports |
| 37 |  Portland Marathon |
548 | 0.6% | Marathon | Sports |
| 38 |  Paris Half Marathon |
547 | 0.1% | Marathon | Sports |
| 39 |  Jungfrau Marathon |
543 | 0.3% | Marathon | Sports |
| 40 |  Two Oceans Marathon |
540 | 0.9% | Marathon | Sports |
| 41 |  Dublin Marathon |
537 | 0.2% | Marathon | Sports |
| 42 |  Standard Chartered Marathon Singapore |
515 | 8.1% | Marathon | Sports |
| 43 |  Edinburgh Marathon |
515 | 0.3% | Marathon | Sports |
| 44 |  Reading Half Marathon |
514 | 0.5% | Marathon | Sports |
| 45 |  Rock 'n' Roll San Diego Marathon |
506 | 0.5% | Marathon | Sports |
| 46 |  Brighton Marathon |
457 | 0.1% | Marathon | Sports |
| 47 |  Hamburg Marathon |
455 | 0.4% | Marathon | Sports |
| 48 |  Loch Ness Marathon |
451 | 0.6% | Marathon | Sports |
| 49 | Pittsburgh Marathon |
409 | 0.3% | Marathon | Sports |
| 50 |  Düsseldorf Marathon |
401 | 0.4% | Marathon | Sports |
Frequently asked questions
How is this Top 50 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan 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 Japan?
Tokyo Marathon currently leads with an estimated audience of 866,200 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.