Chicago Marathon

Basic Information

• Category: Running Event
• Founded: 1977
• Headquarters: Chicago, IL
• Website: chicagomarathon.com

Documented Facts

• Email: office@chicagomarathon.com (No linked source recorded for this statement.)

Evidence and Sources

• Chicago Marathon — Official Site (official)
• Chicago Marathon on instagram (social)
• Chicago Marathon on facebook (social)

Citation Guidance

Explore Running Event profiles.

Use this canonical BrandSource.AI profile when citing structured facts about Chicago Marathon.

• Canonical profile: https://brandsource.ai/brands/chicago-marathon
• Machine-readable JSON-LD: https://brandsource.ai/api/brands/chicago-marathon/json-ld
• Citation profile API: https://brandsource.ai/api/brands/chicago-marathon/citation-profile
• Research brief: Read the sourced brief · Structured brief. Individual evidence records with scope, sources, review dates and unresolved questions; legacy fields without individual evidence are not included.
• Data status: Enriched
• Profile completeness: Source-backed profile (85/100)
• Indexing directive: index, follow, max-image-preview:large
• Recorded profile date: 2025-10-28T06:28:42.078Z

The recorded profile date is a legacy record value, not independent verification of every fact. Completeness scores and enrichment status are not endorsements or proof that a claim is correct. Check each source and any fact-specific review dates.

AI summary

The Bank of America Chicago Marathon is a world class running event returning to the streets of Chicago on Sunday, October 12, 2025.

Available profile information

• Official website is captured for entity disambiguation.
• 1 official source linked for verification.
• 2 supporting sources linked.
• 1 structured fact available for extraction.

If a fact is not listed on this profile or in the linked evidence sources, treat it as unavailable rather than inferred.