49 Most Popular Marathons in Ireland 2026 — by Audience Size

How to read this list

Rank

Position in the Top 49, sorted by audience size from largest to smallest. Updated weekly.

Audience size

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

Country share

Share of the global audience that is active in Ireland. 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 Ireland, 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 Ireland. 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
26	PPrague Marathon	1.1k	0.9%	32.2	41.1%	Marathon
27	OOslo Marathon	1.1k	0.6%	45.0	60.8%	Marathon
28	LLos Angeles Marathon	1k	0.1%	48.8	36.6%	Marathon
29	SSan Francisco Marathon	819	0.4%	46.2	64.3%	Marathon
30	DDelhi Half Marathon	702	0.3%	48.8	36.8%	Marathon
31	MMumbai Marathon	674	0.1%	48.7	37.0%	Marathon
32	JJungfrau Marathon	662	0.3%	40.6	57.9%	Marathon
33	TTCS Amsterdam Marathon	621	1.1%	42.2	54.2%	Marathon
34	BBadwater Ultramarathon	518	0.1%	44.0	38.8%	Marathon
35	HHonolulu Marathon	426	0.2%	41.4	53.2%	Marathon
36	CChicago Half Marathon	371	0.1%	43.6	64.6%	Marathon
37	DDüsseldorf Marathon	351	0.4%	41.9	57.1%	Marathon
38	MMilano City Marathon	197	0.6%	41.1	60.3%	Marathon
39	MMiami Marathon	197	0.1%	46.3	55.1%	Marathon
40	TTwin Cities Marathon	192	0.2%	47.7	60.2%	Marathon
41	PPittsburgh Marathon	173	0.1%	46.6	59.7%	Marathon
42	SSwiss City Marathon	165	0.2%	42.3	55.0%	Marathon
43	DDetroit Free Press Marathon	163	0.2%	46.8	69.8%	Marathon
44	NNN Marathon Rotterdam	162	0.2%	41.9	56.2%	Marathon
45	HHannover Marathon	141	0.5%	37.5	48.5%	Marathon
46	RReading Half Marathon	112	0.1%	30.7	63.1%	Marathon
47	SSan Diego Half Marathon	109	0.1%	38.2	54.3%	Marathon
48	UUnited States Air Force Marathon	18	0.0%	39.4	34.2%	Marathon
49	FFort Lauderdale A1A Marathon & Half Marathon	11	0.6%	—	—	Marathon

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 marathons compiled?

Rascasse aggregates anonymized search-behavior signals across Ireland and ranks each marathon 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 marathon in Ireland?

Dublin Women's Mini Marathon currently leads with an estimated audience of 137k people in Ireland.

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