# Marathon Races in Illinois (2026)

> 10 upcoming Marathon races across Illinois.

- **Page:** https://runthis.run/races/illinois/marathon

## Races

- **[The Next Loop Endurance Series - Busse Woods](https://runthis.run/event/rs-207130-the-next-loop-endurance-series-busse-woods)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Elk Grove Village, IL · Marathon
- **[Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run](https://runthis.run/event/rs-181761-comlara-12-hour-sunrise-sunset-6-hour-3-hour-and-hour-of-pow)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Hudson, IL · 51.0 mi / 25.5 mi / 12.7 mi / 4.3 mi
- **[The Next Loop Endurance Series | Half Day Forest Preserve](https://runthis.run/event/rs-208724-the-next-loop-endurance-series-half-day-forest-preserve)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Vernon Hills, IL · Marathon
- **[Belleville Main Street Marathon & Half Marathon](https://runthis.run/event/rs-176612-belleville-main-street-marathon-half-marathon)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Belleville, IL · Marathon
- **[14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K](https://runthis.run/event/rs-121053-14th-annual-springfield-marathon-harvest-wind-half-marathon-)** — Fri, Nov 6, 2026 · 6:00 PM CST · New Berlin, IL · Marathon / 10K
- **[2026 Turkey Trot](https://runthis.run/event/rs-150811-2026-turkey-trot)** — Fri, Nov 20, 2026 · 6:00 PM CST · Decatur, IL · 5K / 10K / Marathon / 805 m
- **[Santa Hustle Virtual](https://runthis.run/event/rs-112526-santa-hustle-virtual)** — Mon, Nov 30, 2026 · 6:00 PM CST · N/A, IL · Marathon / 10K / 5K / 1000 m
- **[Rend Lake Marathon](https://runthis.run/event/rs-112653-rend-lake-marathon)** — Fri, Mar 26, 2027 · 7:00 PM CDT · Benton, IL · Marathon / 6.5 mi
- **[Chicagoland Spring Marathon, Half Marathon & 10K](https://runthis.run/event/rs-6203-chicagoland-spring-marathon-half-marathon-10k)** — Sat, May 1, 2027 · 7:00 PM CDT · Schaumburg, IL · Marathon / 10K
- **[F^3 Cap Sauers Trail Marathon & 10 Mile](https://runthis.run/event/rs-142648-f-3-cap-sauers-trail-marathon-10-mile)** — Fri, May 7, 2027 · 7:00 PM CDT · Palos Hills, IL · Marathon / 10.0 mi

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Source: [https://runthis.run/races/illinois/marathon](https://runthis.run/races/illinois/marathon) — data from Run This (runthis.run).