Top 31 Triathlons in United Kingdom

How to read this list

Rank

Position in the Top 31, sorted by audience size from largest to smallest. Updated weekly.

Audience size

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

Country share

Share of the global audience that is active in United Kingdom. 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 Kingdom, 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 Kingdom. 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	Ironman 70.3	543k	8.8%	39.9	43.6%	Triathlon
2	London Triathlon	194k	89.2%	44.4	30.8%	Triathlon
3	Mark Allen (triathlete)	180k	38.2%	38.2	36.0%	Triathlon
4	Craig (CROWIE) Alexander	95k	6.6%	40.6	41.9%	Triathlon
5	Alistair Brownlee	64k	60.1%	47.8	40.4%	Triathlon
6	World Triathlon	61k	10.5%	38.9	40.9%	Triathlon
7	Escape from Alcatraz (triathlon)	41k	4.9%	36.8	48.1%	Triathlon
8	Challenge Roth	27k	5.5%	35.6	44.2%	Triathlon
9	USA Triathlon	26k	6.1%	41.4	39.4%	Triathlon
10	Ironman Heavymetalweight Championship	20k	2.7%	46.6	59.3%	Triathlon
11	Ironman World Championship	18k	0.9%	39.2	45.5%	Triathlon
12	Ironman Triathlon	12k	1.4%	40.2	43.3%	Triathlon
13	Jan Frodeno	11k	4.8%	43.1	28.6%	Triathlon
14	Chris McCormack (triathlete)	9.7k	16.3%	37.6	39.3%	Triathlon
15	British Triathlon Federation	8.7k	38.6%	46.7	35.0%	Triathlon
16	IRONMAN Austria	7.5k	7.4%	38.5	47.1%	Triathlon
17	Supertri	7.5k	15.6%	39.9	43.6%	Triathlon
18	Dave Scott (triathlete)	7.3k	5.0%	40.0	43.2%	Triathlon
19	International Triathlon Union	5k	4.1%	41.4	34.7%	Triathlon
20	Timothy O'Donnell (triathlete)	3.9k	9.2%	38.6	41.2%	Triathlon
21	XTERRA Triathlon	3k	0.6%	30.8	4.8%	Triathlon
22	ITU Long Distance Triathlon World Championships	1.7k	10.8%	39.8	32.6%	Triathlon
23	Ironman Germany	1.6k	0.8%	43.3	45.0%	Triathlon
24	Gwen Jorgensen	1.3k	4.4%	39.3	39.4%	Triathlon
25	Sebastian Kienle	605	1.4%	39.7	26.9%	Triathlon

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Frequently asked questions

How is this Top 31 list compiled?

Rascasse aggregates anonymized search-behavior signals across United Kingdom 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 United Kingdom?

Ironman 70.3 currently leads with an estimated audience of 543k people in United Kingdom.

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