How to read this list
Rank
Position in the Top 27, sorted by audience size from largest to smallest. Updated weekly.
Audience size
Estimated number of unique people in South Africa who actively engage with this audience, derived from anonymized search-behavior signals.
Country share
Share of the global audience that is active in South Africa. 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 South Africa, 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 South Africa. 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 70.3 | 44k | 0.7% | 38.6 | 44.9% | Triathlon |
| 2 | CCraig (CROWIE) Alexander | 10k | 0.8% | 42.6 | 43.7% | Triathlon |
| 3 | EEscape from Alcatraz (triathlon) | 8.4k | 1.0% | 27.6 | 42.9% | Triathlon |
| 4 | WWorld Triathlon | 2.4k | 0.4% | 39.3 | 37.9% | Triathlon |
| 5 | IIronman World Championship | 1.6k | 0.0% | 36.3 | 46.3% | Triathlon |
| 6 | IIronman Heavymetalweight Championship | 1.5k | 0.2% | 44.3 | 72.3% | Triathlon |
| 7 | JJan Frodeno | 1k | 0.4% | 33.9 | 28.9% | Triathlon |
| 8 | IIronman Triathlon | 995 | 0.1% | 38.1 | 43.8% | Triathlon |
| 9 | AAlistair Brownlee | 809 | 0.8% | 48.1 | 39.3% | Triathlon |
| 10 | DDave Scott (triathlete) | 704 | 0.6% | 37.7 | 38.1% | Triathlon |
| 11 | MMark Allen (triathlete) | 692 | 0.1% | 37.5 | 36.0% | Triathlon |
| 12 | CChallenge Roth | 556 | 0.1% | 37.1 | 40.8% | Triathlon |
| 13 | XXTERRA Triathlon | 435 | 0.2% | 41.7 | 42.8% | Triathlon |
| 14 | IIronman Sweden | 391 | 0.5% | 45.6 | 43.1% | Triathlon |
| 15 | PPete Jacobs (triathlete) | 334 | 5.0% | 34.4 | 37.7% | Triathlon |
| 16 | SSarah Haskins (triathlete) | 322 | 0.8% | 34.1 | 38.3% | Triathlon |
| 17 | SSupertri | 305 | 0.7% | 38.3 | 44.3% | Triathlon |
| 18 | IIRONMAN Austria | 237 | 0.2% | 30.8 | 63.5% | Triathlon |
| 19 | TTimothy O'Donnell (triathlete) | 203 | 0.5% | 29.9 | 36.9% | Triathlon |
| 20 | IIronman Germany | 178 | 0.1% | 46.3 | 26.0% | Triathlon |
| 21 | LLondon Triathlon | 136 | 0.1% | 39.4 | 44.4% | Triathlon |
| 22 | IInternational Triathlon Union | 131 | 0.1% | 40.3 | 32.8% | Triathlon |
| 23 | UUSA Triathlon | 108 | 0.0% | 42.7 | 47.5% | Triathlon |
| 24 | CChris McCormack (triathlete) | 107 | 0.2% | 35.7 | 36.7% | Triathlon |
| 25 | BBritish Triathlon Federation | 57 | 0.2% | 46.9 | 34.2% | 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 South Africa 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 South Africa?
Ironman 70.3 currently leads with an estimated audience of 44k people in South Africa.