Heartland Series Day 4 Marathon – Illinois
Heartland Series Day 4 Marathon brings 16 smooth asphalt loops to Fulton, giving multi-state runners a flat Illinois stop in a seven-day series.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 22, 2026.
Quick facts
- Illinois race in a seven-state series
- Sixteen smooth asphalt loops
- Flat Fulton course
- Standalone marathon with series-day results
About the Heartland Series Day 4 Marathon – Illinois
This Fulton marathon is the Illinois race in Mainly Marathons' seven-state Heartland Series. It remains a standalone timed full even as many participants build it into a longer sequence of daily races.
Course
Marathoners complete 16 flat loops on smooth asphalt. The compact layout keeps aid and personal supplies close, while lap counting and cumulative fatigue become central for series participants.
Race-day weather
Mid-July in northwest Illinois can be hot, humid and sunny, with thunderstorms also possible. An early start helps, but repeated access to fluids and heat-aware pacing remain essential.
Past Heartland Series Day 4 Marathon – Illinois dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Tuesday, July 14, 2026 | Completed | Open results |
Heartland Series Day 4 Marathon – Illinois FAQ
When is the Heartland Series Day 4 Marathon – Illinois?
We're waiting for the finalized date for the 2027 Heartland Series Day 4 Marathon – Illinois. The most recent running was on Tuesday, July 14, 2026.
How do I register for the Heartland Series Day 4 Marathon – Illinois?
Registration for the 2027 Heartland Series Day 4 Marathon – Illinois has not been posted yet.
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