45 Most Popular Triathlons in Italy 2026 — by Audience Size

How to read this list

Rank

Position in the Top 45, sorted by audience size from largest to smallest. Updated weekly.

Audience size

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

Country share

Share of the global audience that is active in Italy. 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 Italy, 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 Italy. 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	531k	8.1%	39.2	32.8%	Triathlon
2	EEscape from Alcatraz (triathlon)	59k	7.1%	32.6	64.3%	Triathlon
3	CCraig (CROWIE) Alexander	59k	4.8%	35.8	23.1%	Triathlon
4	WWorld Triathlon	43k	7.3%	39.4	40.8%	Triathlon
5	CChallenge Roth	30k	6.1%	38.0	27.7%	Triathlon
6	UUSA Triathlon	20k	4.7%	42.0	31.5%	Triathlon
7	IIronman World Championship	13k	0.2%	38.2	35.6%	Triathlon
8	IIronman Triathlon	12k	1.4%	39.8	34.4%	Triathlon
9	IIRONMAN Austria	9.4k	9.3%	37.0	33.7%	Triathlon
10	JJan Frodeno	8k	3.4%	34.4	62.9%	Triathlon
11	MMark Allen (triathlete)	6.5k	1.0%	32.5	39.7%	Triathlon
12	XXTERRA Triathlon	3.8k	1.8%	41.8	24.1%	Triathlon
13	DDave Scott (triathlete)	2.8k	2.5%	31.9	35.1%	Triathlon
14	IInternational Triathlon Union	2.6k	2.2%	39.6	33.0%	Triathlon
15	IIronman Sweden	2.2k	2.5%	44.1	43.3%	Triathlon
16	SSupertri	1.8k	3.8%	39.5	33.6%	Triathlon
17	BBritish Triathlon Federation	1.7k	7.3%	39.6	29.6%	Triathlon
18	IIronman Heavymetalweight Championship	1.6k	0.2%	42.8	65.8%	Triathlon
19	AAlistair Brownlee	1.6k	1.6%	20.2	0.0%	Triathlon
20	IITU Long Distance Triathlon World Championships	1.2k	7.8%	33.4	39.1%	Triathlon
21	LLondon Triathlon	1.2k	0.5%	40.3	26.5%	Triathlon
22	IIronman Germany	1.1k	0.6%	39.8	27.1%	Triathlon
23	JJonathan Brownlee	1.1k	9.7%	—	—	Triathlon
24	SSebastian Kienle	753	2.0%	39.7	5.9%	Triathlon
25	TTriathlon at the Summer Olympics	525	13.5%	46.2	0.0%	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 list of the most popular triathlons compiled?

Rascasse aggregates anonymized search-behavior signals across Italy 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 Italy?

Ironman 70.3 currently leads with an estimated audience of 531k people in Italy.

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