Top list · Japan

Top 69 Marathons in Japan

This curated ranking covers the 69 largest marathons in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Tokyo Marathon, Marathon des Sables and New York City Marathon lead the list with a combined estimated audience of 997k people. Across all 69 entries the average audience size is 17k, and the largest, Tokyo Marathon, reaches around 866k 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.

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How to read this list

Rank

Position in the Top 69, sorted by audience size from largest to smallest. Updated weekly.

Audience size

Estimated number of unique people in Japan who actively engage with this audience, derived from anonymized search-behavior signals.

Country share

Share of the global audience that is active in Japan. A higher value means the audience is more locally concentrated here.

Avg age

Average age in years across the people who engage with this audience in Japan, derived from anonymized search-behavior signals. A dash means demographic data is not yet available.

Female share

Share of women among the people who engage with this audience in Japan. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.

Ranking

Rank Audience Audience size Avg age Female share Subtype
26 Prague Marathon 1.1k 23.9 54.7% Marathon
27 Greater Manchester Marathon 1k 44.8 43.3% Marathon
28 Big Sur International Marathon 941 39.4 50.9% Marathon
29 Stockholm Marathon 922 41.5 56.4% Marathon
30 Rome Marathon 840 42.2 37.3% Marathon
31 Rotterdam Marathon 690 38.1 56.3% Marathon
32 Houston Marathon 668 38.4 52.6% Marathon
33 Jungfrau Marathon 629 37.1 51.5% Marathon
34 Mumbai Marathon 573 39.0 83.5% Marathon
35 Philadelphia Marathon 570 36.6 51.0% Marathon
36 Chicago Half Marathon 564 31.1 42.3% Marathon
37 Portland Marathon 549 41.9 57.0% Marathon
38 Paris Half Marathon 548 39.1 90.4% Marathon
39 Two Oceans Marathon 540 33.5 57.3% Marathon
40 Eindhoven Marathon 537 32.5 60.2% Marathon
41 Standard Chartered Marathon Singapore 516 27.1 64.0% Marathon
42 Edinburgh Marathon 516 41.0 57.7% Marathon
43 Reading Half Marathon 515 36.8 56.8% Marathon
44 Dublin Marathon 512 30.6 38.0% Marathon
45 Rock 'n' Roll San Diego Marathon 507 40.6 69.1% Marathon
46 Miami Marathon 499 42.9 53.1% Marathon
47 Brighton Marathon 458 40.8 49.6% Marathon
48 Hamburg Marathon 456 32.7 41.8% Marathon
49 Loch Ness Marathon 451 43.5 58.6% Marathon
50 Pittsburgh Marathon 441 43.4 59.6% Marathon

Want the full picture for any of these audiences?

Open any profile to see psychographics, top regions, peer affinities and demographic splits — all derived from the same anonymized signals.

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Frequently asked questions

How is this Top 69 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 866k people in Japan.

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