In 242 days · Sat, May 8, 2027
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When
Saturday, May 8th, 2027
Where
815 LaSalle Street, Ottawa IL
Distances
Marathon · Half · 10K · 5K
Typical weather
48–69°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2026
46–67°F
rain
2025
47–66°F
dry
2024
51–79°F
dry
2023
53–67°F
rain
2022
46–68°F
dry
2021
36–58°F
rain
2020
35–54°F
dry
2019
45–77°F
dry
2018
51–77°F
dry
2017
39–62°F
dry
Best months to race in Illinois →
About this race
Race Overview
- Event Dates: The 2027 Starved Rock Country Marathon will take place on May 8, 2027.
- Location: 815 LaSalle Street, Ottawa, IL.
- Race Types: Marathon, Half Marathon, 5K, and 10K.
- URL: For more information, visit here.
Course Details
- Scenic Route: The marathon course will feature beautiful scenery of the Illinois River and the neighborhoods of Ottawa.
- Natural Landscapes: Runners will be inspired by country hills and natural rock formations created by the Illinois River.
- Aide Stations: There will be 16 aide stations, each stocked with Gatorade, plus GU at select stations.
- Half Marathon Route: The half marathon will start in Starved Rock State Park and traverse both city and nature settings.
Important Notes
- Course Time Limit: In 2027, the race course will be open for 6 hours, reduced from 6.5 hours in previous years.
- 5K Event: The Run Starved Rock 5K will follow part of the marathon route and finish along the river.
- Charity Support: A portion of 5K proceeds will benefit local charities promoting running and physical activity.
- 10K Course: This event will feature an out-and-back course along scenic Rt 71, alongside the Illinois River.
Registration Information
- Shirt and Medals: Signing up after April 20th may affect your ability to receive specified shirts and medals.
- Packet Pickup: Will be held from 1 PM - 8 PM on Friday, May 7th, at Ottawa YMCA, located at 411 Canal St, Ottawa, IL.
- Included Items: Participants will receive bibs, participant shirts, and a swag bag filled with local offers and race information.
- Race Participation: A bib is required for all race participants.
Course map
Hotels for race weekend
Live prices near the start line, May 7 – 9, 2027.
Train with a club
Run clubs near Ottawa to train with before race day.
See all run clubs near Ottawa →
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