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Age brackets, gender split, regional distribution down to postal code where available, and the brands this audience overindexes on — per country, for c. 300,000 brands, teams, artists and media properties across 200+ countries. Open in the browser, no login.
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How to read this list
Rank
Position in the Top 47, sorted by audience size from largest to smallest. Updated quarterly.
Audience size
Estimated number of unique people in United States who actively engage with this audience, derived from anonymized search-behavior signals.
Country share
Share of the global audience that is active in United States. 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 United States, 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 United States. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.
Ranking
| Rank | Audience | Audience size | Country share | Avg age | Female share | Subtype |
|---|---|---|---|---|---|---|
| 1 | IIronman World Championship | 2.4M | 34.1% | 36.2 | 46.8% | Triathlon |
| 2 | IIronman 70.3 | 2.2M | 30.8% | 36.2 | 42.0% | Triathlon |
| 3 | CCraig (CROWIE) Alexander | 541k | 75.6% | 39.2 | 38.6% | Triathlon |
| 4 | EEscape from Alcatraz (triathlon) | 139k | 27.8% | 38.8 | 45.5% | Triathlon |
| 5 | UUSA Triathlon | 124k | 39.6% | 40.6 | 43.9% | Triathlon |
| 6 | IIronman Heavymetalweight Championship | 102k | 13.9% | 44.5 | 79.1% | Triathlon |
| 7 | CChallenge Roth | 94k | 22.2% | 35.0 | 39.0% | Triathlon |
| 8 | MMark Allen (triathlete) | 73k | 9.5% | 38.9 | 47.2% | Triathlon |
| 9 | IIronman Triathlon | 60k | 4.4% | 36.7 | 40.5% | Triathlon |
| 10 | DDave Scott (triathlete) | 51k | 49.0% | 38.4 | 53.6% | Triathlon |
| 11 | NNancy Álvarez (triathlete) | 39k | 76.6% | 49.1 | 100.0% | Triathlon |
| 12 | IIRONMAN Austria | 35k | 33.8% | 27.4 | 59.9% | Triathlon |
| 13 | JJan Frodeno | 30k | 9.2% | 39.3 | 35.3% | Triathlon |
| 14 | GGwen Jorgensen | 25k | 78.0% | 37.5 | 36.0% | Triathlon |
| 15 | TTimothy O'Donnell (triathlete) | 24k | 55.0% | 38.7 | 61.7% | Triathlon |
| 16 | CChris McCormack (triathlete) | 23k | 36.7% | 38.1 | 55.3% | Triathlon |
| 17 | SSarah Haskins (triathlete) | 22k | 48.8% | 38.6 | 58.7% | Triathlon |
| 18 | AAlistair Brownlee | 14k | 9.7% | 41.9 | 57.2% | Triathlon |
| 19 | WWorld Triathlon | 13k | 2.1% | 36.4 | 53.2% | Triathlon |
| 20 | AAndy Potts | 11k | 86.1% | 34.3 | 43.0% | Triathlon |
| 21 | JJonathan Brownlee | 11k | 69.4% | — | — | Triathlon |
| 22 | IInternational Triathlon Union | 11k | 6.5% | 39.5 | 46.9% | Triathlon |
| 23 | XXTERRA Triathlon | 9.6k | 4.6% | 41.7 | 37.4% | Triathlon |
| 24 | SSupertri | 8.8k | 17.9% | 36.5 | 41.2% | Triathlon |
| 25 | IIronman Sweden | 8.1k | 8.2% | 44.9 | 39.2% | Triathlon |
| 26 | CChrissie Wellington | 4.7k | 69.2% | — | — | Triathlon |
| 27 | LLondon Triathlon | 4.3k | 1.9% | 39.4 | 36.0% | Triathlon |
| 28 | IITU Long Distance Triathlon World Championships | 3.9k | 25.1% | 39.0 | 42.8% | Triathlon |
| 29 | MMirinda Carfrae | 2.9k | 48.6% | 41.2 | 38.6% | Triathlon |
| 30 | BBritish Triathlon Federation | 2.3k | 12.0% | 34.9 | 48.7% | Triathlon |
| 31 | TTriathlon at the Summer Olympics | 1.8k | 45.9% | 44.7 | 39.4% | Triathlon |
| 32 | IIronman Germany | 1.6k | 0.7% | 41.0 | 41.0% | Triathlon |
| 33 | SSebastian Kienle | 1.5k | 3.2% | 41.2 | 38.2% | Triathlon |
| 34 | HHelen Jenkins | 1.4k | 81.7% | — | — | Triathlon |
| 35 | IIronman UK | 912 | 59.4% | — | — | Triathlon |
| 36 | NNicola Spirig | 861 | 2.9% | 41.3 | 50.3% | Triathlon |
| 37 | LLisa Perterer | 852 | 3.1% | 40.8 | 45.4% | Triathlon |
| 38 | SSaleta Castro | 659 | 8.6% | 38.8 | 17.1% | Triathlon |
| 39 | Jjavier gomez noya | 380 | 2.0% | 39.3 | 14.5% | Triathlon |
| 40 | MMario Mola | 350 | 3.0% | 37.6 | 0.0% | Triathlon |
| 41 | HHy-Vee Triathlon | 243 | 84.6% | — | — | Triathlon |
| 42 | PPete Jacobs (triathlete) | 197 | 2.3% | 37.9 | 62.0% | Triathlon |
| 43 | AAndreas Raelert | 190 | 2.8% | 37.0 | 0.0% | Triathlon |
| 44 | EEneko Llanos | 137 | 2.3% | 40.1 | 0.0% | Triathlon |
| 45 | IIván Raña | 112 | 1.2% | 39.3 | 0.0% | Triathlon |
| 46 | FFrancisco Javier Gómez Noya | 86 | 23.4% | 36.7 | 19.0% | Triathlon |
| 47 | TTjebbe Kaindl | 74 | 1.0% | 40.3 | 43.3% | 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.
Frequently asked questions
How is this list of the most popular triathlons compiled?
Rascasse aggregates anonymized search-behavior signals across United States 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 updated quarterly from the latest search-behavior data and re-published as a static page.
What is the largest triathlon in United States?
Ironman World Championship currently leads with an estimated audience of 2.4M people in United States.