Top list · Japan

Top 28 Triathlons in Japan

This curated ranking covers the 28 largest triathlons in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Escape from Alcatraz (triathlon), Ironman Heavymetalweight Championship and World Triathlon lead the list with a combined estimated audience of 230k people. Across all 28 entries the average audience size is 14k, and the largest, Escape from Alcatraz (triathlon), reaches around 87k people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each triathlon, 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 28, 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
1 Escape from Alcatraz (triathlon) 87k 33.1 29.3% Triathlon
2 Ironman Heavymetalweight Championship 85k 39.2 64.3% Triathlon
3 World Triathlon 58k 32.0 63.5% Triathlon
4 USA Triathlon 40k 32.4 58.4% Triathlon
5 Craig (CROWIE) Alexander 33k 37.5 41.2% Triathlon
6 Ironman World Championship 23k 34.0 37.4% Triathlon
7 Ironman Triathlon 22k 35.5 44.6% Triathlon
8 Ironman 70.3 20k 35.7 34.4% Triathlon
9 Mark Allen (triathlete) 7.3k 34.2 37.1% Triathlon
10 Dave Scott (triathlete) 5.3k 34.0 34.4% Triathlon
11 Jan Frodeno 4.2k 32.8 33.4% Triathlon
12 International Triathlon Union 3.8k 32.8 50.9% Triathlon
13 XTERRA Triathlon 2.2k 38.5 38.8% Triathlon
14 London Triathlon 1.4k 38.5 19.5% Triathlon
15 ITU Long Distance Triathlon World Championships 1.2k 32.1 34.6% Triathlon
16 Challenge Roth 1k 33.2 41.1% Triathlon
17 Ironman Sweden 744 43.9 43.1% Triathlon
18 Alistair Brownlee 489 40.6 89.5% Triathlon
19 Supertri 418 35.6 39.7% Triathlon
20 IRONMAN Austria 383 25.8 60.4% Triathlon
21 Ironman Germany 289 37.9 38.7% Triathlon
22 Andreas Raelert 114 35.1 0.0% Triathlon
23 Triathlon at the Summer Olympics 108 50.5 13.1% Triathlon
24 Chris McCormack (triathlete) 62 33.9 32.2% Triathlon
25 Pete Jacobs (triathlete) 57 33.7 32.9% Triathlon

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 28 list compiled?

Rascasse aggregates anonymized search-behavior signals across Japan and ranks each triathlon 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 triathlon in Japan?

Escape from Alcatraz (triathlon) currently leads with an estimated audience of 87k people in Japan.

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