Rascasse Audience Intelligence

Chicago Marathon Audience in United States

A data profile of the people who buy, follow and care about Chicago Marathon in United States — modelled from more than twelve digital signal sources. Chicago Marathon has an estimated audience of 3,123,597 people in United States.

#3among Marathon in United States#125among Event in United States#877in Sports

The average Chicago Marathon fan in United States is 37.8 years old, balanced, and lives primarily in Illinois.

The audience is concentrated in Illinois, New York, California.

Top brand affinities include New York City Marathon, strava, Boston Marathon, with strongest over-indexing on New York City Marathon (25.75× the country average).

Demographically, the Chicago Marathon audience skews balanced with an average age of 37.8, and over-indexes on personality traits such as Sports Activity, Healthy Lifestyle.

Compared to the country baseline, this audience shows distinctive patterns across 20 brand affinities and 50 regions tracked by Rascasse.

The typical Chicago Marathon fan in United States is balanced, around 37.8 years old, with strong Sports Activity tendencies and a notable affinity for New York City Marathon.

Category: Sports · Type: Event · Subtype: Marathon

The data on this page comes from the Rascasse audience panel and is refreshed monthly from search, social and browsing signals. As of 2026-08-10.

Section 01

At a glance

The key figures that characterise the Chicago Marathon profile in United States.

Audience size
3.1M
in United States
Gender
53.6%♀
46.4% male
Age
37.8
average years
Country rank
#9963
Event in United States
Fig. 01

Search interest · 12-month trend

-3%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Audience Intelligence
Section 02

Demographics of Chicago Marathon fans

53.6% are female, 46.4% are male, average age 37.8.

Fig. 02

Gender split

53.6%
Female
46.4%
Male
Demographic split for Chicago Marathon audience in United States
MetricValue
Female53.6%
Male46.4%
Average age37.8
Estimated audience size3,123,597
Fig. 03

Age distribution

Ø 37.8
average years
Age distribution of the Chicago Marathon audience in United States
Age bracketShare%
16-1921%
20-2922%
30-3922%
40-4921%
50+15%
Fig. 04

Worldwide distribution

42.6%

of the worldwide Chicago Marathon audience comes from United States.

Worldwide audience distribution share by country for Chicago Marathon
CountryShare
United States42.6%
United Kingdom9.7%
Brazil6.2%
Section 03
Affinity (×) = how much more likely a member of this audience is to live in a region than the United States average. Example: 2.0× means twice as concentrated as the national baseline.

Geography

Where the Chicago Marathon audience in United States is strongest.

Fig. 05

Top regions by affinity

Chicago Marathon fans by region: top regions in United States
#RegionReachAffinity×
01Illinois~1M10.36×
02Massachusetts~100K2.08×
03Washington, District of Columbia~20K2.02×
04Wisconsin~80K1.79×
05New York~300K1.52×
06Indiana~80K1.47×
07Colorado~70K1.36×
08Iowa~30K1.20×
09Minnesota~50K1.11×
10Michigan~90K1.09×
11Connecticut~30K1.07×
12New Hampshire~10K1.06×
13Vermont~6K1.03×
14Rhode Island~9K0.93×
15Missouri~50K0.92×
16Maine~10K0.91×
17Oregon~30K0.88×
18Ohio~80K0.84×
19New Jersey~70K0.83×
20Kansas~20K0.83×
21Nebraska~10K0.82×
22Virginia~60K0.81×
23North Dakota~5K0.80×
24North Carolina~70K0.79×
25Utah~20K0.77×
26Montana~7K0.77×
27Washington~50K0.75×
28South Dakota~5K0.74×
29Alaska~5K0.74×
30Hawaii~10K0.71×
31Maryland~40K0.70×
32California~200K0.69×
33Pennsylvania~70K0.69×
34Tennessee~40K0.69×
35Delaware~6K0.69×
36Kentucky~30K0.68×
37South Carolina~30K0.63×
38Idaho~10K0.62×
39Arkansas~20K0.61×
40West Virginia~9K0.61×
41Georgia~60K0.60×
42Florida~100K0.59×
43Texas~200K0.58×
44New Mexico~9K0.57×
45Oklahoma~20K0.54×
46Mississippi~10K0.54×
47Alabama~20K0.51×
48Louisiana~20K0.50×
49Arizona~30K0.49×
50Nevada~10K0.49×
Fig. 06

Affinity by region

Affinity by region — Chicago Marathon, United States
0.49×1.00×10.36×
Section 04
Brands and entities this audience over-indexes on, vs. the country average.

Audience interests & affinities

The strongest cross-interests of the Chicago Marathon audience — brands, topics and people combined.

Fig. 07

Top cross-interests, ranked by affinity

Top brand affinities (over-index vs. country average) for Chicago Marathon audience
#·InterestCategoryAffinity×
01Tokyo MarathonSports44.40×
02London MarathonSports36.09×
03stravaSports27.62×
04New York City MarathonSports25.75×
05ParkrunSports25.53×
06Boston MarathonSports14.44×
07Alex HonnoldSports12.22×
08Middle-distance runningSports10.11×
09Hoka One OneFashion & Accessoires10.04×
1010,000 metresSports9.92×
11Ironman 70.3Sports9.51×
12HokaSports8.25×
13Cross country runningSports6.38×
14Fun runSports5.93×
155K runSports5.71×
16EquinoxPolitics & Society5.15×
17Long-distance runningSports4.94×
18KetosisHealth4.76×
19Road runningSports3.19×
20Family (biology)Kids & Family2.19×
Section 05
Top six personality traits over-indexed by this audience (1.0 = country average).

Personality of the Chicago Marathon audience

Values above 1.00× are above the country average, values below 1.00× below it.

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Top personality traits over-indexed by Chicago Marathon audience · What stands out
TraitClusterDeviationScore
Sports ActivityPOWER2.23×
Healthy LifestyleBALANCE1.28×
Risk AppetiteTHRILL1.26×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Top personality traits over-indexed by Chicago Marathon audience · Rather not
TraitClusterDeviationScore
Social Media UsageJOY0.91×
SpiritualityBALANCE0.95×
ExtroversionTHRILL0.96×
0×1.00× baseline2×
Section 06

Frequently asked questions

01

How many fans does Chicago Marathon have in United States?

Chicago Marathon has an estimated audience of 3,123,597 people in United States, concentrated in Illinois and New York.

02

What is the gender split and age of Chicago Marathon fans?

53.6% of Chicago Marathon fans are female, 46.4% are male, with an average age of 37.8 years.

03

Which brands do Chicago Marathon fans like most?

Chicago Marathon fans show strongest brand affinity for New York City Marathon (25.75×), strava (27.62×), and Boston Marathon (14.44×) over the country average.

04

Where do Chicago Marathon fans live in United States?

Chicago Marathon fans in United States are most concentrated in Illinois (reach ~1M), New York (reach ~300K), and California (reach ~200K). These three regions account for the largest share of the active audience.

05

What other brands do Chicago Marathon fans also like?

Beyond Chicago Marathon itself, the audience over-indexes on strava (27.62×), Boston Marathon (14.44×), Hoka (8.25×), and Middle-distance running (10.11×) compared to the United States average.

Appendix

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How to read this data

Audience size is the estimated number of people in United States who actively search for Chicago Marathon. Affinity is an over-index ratio: 2.0× means the audience is twice as likely to engage with that brand or trait as the country average. Reach is the estimated number of audience members in a region. Regional and brand-affinity tables are sorted from strongest signal to weakest.

About this audience profile

This audience profile is generated by Rascasse from anonymized search-behavior signals across United States. For methodology see methodology. Affinity values are over-index ratios vs. the country average (1.0 = baseline). Audience sizes are estimated, not measured.

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