Mainly Marathons Riverboat Series - Day 7
Clarksburg, Illinois, United States
Apr 18, 2027 - Sunday
5k, 10k, 50k, Half-marathon, Marathon, Ultra
Video
Race Information
Riverboat Series is organized by Mainly Marathons, one of the largest race organizers in the US, with races in all 50 states. You can participate in one race or take the challenge to complete the whole series!
Mainly Marathons races are designed for runners who run long and run often. All finishers in races longer than half marathon get a custom metal-stamped nameplate!
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Size: 1 - 100 participants
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👍 Run Pick of the Month: SKECHERS Hot Chocolate Run – Chicago
📍Chicago - Sunday November 1, 2026
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😄 Why We Like This Run
✅ Exclusive SKECHERS Hot Chocolate Run Fleece
✅ Chocolate Fondue Finisher’s Mug
✅ Free Race Photos
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Race Facts
Race Size: 1 - 100
Elevation: Fast and Flat
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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