OMC Duathlon Series
About this race
- Cutting Edge Electronic Timing & LIVE Results
- Heartland Racing Co. Results app integration
- Custom Stacking Medals for participants that race in 2-4 of the weeks
- Shirt for participants that race in minimum of 3 out of 4 weeks
- Larger Participant Base
The focus of the Duathlon Series is giving beginners a safe and fun entry into multisport.
2026 will be the 30th consecutive year of the Duathlon Series!
Dates: Tuesdays – May 12th, May 19th, May 26th, June 2nd – 2026
Time: 6:00 p.m.
Location: Fellows Lake Recreation Area (NW corner of lake)
Series Schedule (subject to change)
Run 1 mile – Bike 11 miles – Run 1 mile
Run 2 mile – Bike 11 miles – Run 1 mile
Run 1 miles – Bike 11 miles – Run 2 miles
Run 2 miles – Bike 11 miles – Run 2 miles
Categories: Individuals or relay teams welcome
Pick your distance
Duathlon
Du Series - Individual - Whole Series
Run 1 mile – Bike 11 miles – Run 1 mile Run 2 mile – Bike 11 miles – Run 1 mile Run 1 miles – Bike 11 miles – Run 2 miles Run 2 miles – Bike 11 miles – Run 2 miles
Du Series - Relay - Whole Series
Run 1 mile – Bike 11 miles – Run 1 mile Run 2 mile – Bike 11 miles – Run 1 mile Run 1 miles – Bike 11 miles – Run 2 miles Run 2 miles – Bike 11 miles – Run 2 miles
Du Series Week 1 - Individual
Run 1 mile – Bike 11 miles – Run 1 mile
Du Series Week 1 - Relay
Run 1 mile – Bike 11 miles – Run 1 mile
Du Series Week 2 - Individual
Run 2 mile – Bike 11 miles – Run 1 mile
Du Series Week 2 - Relay
Run 2 mile – Bike 11 miles – Run 1 mile
Du Series Week 3 - Individual
Run 1 miles – Bike 11 miles – Run 2 miles
Du Series - Week 3 - Relay
Run 1 miles – Bike 11 miles – Run 2 miles
Du Series Week 4 - Individual
Run 2 miles – Bike 11 miles – Run 2 miles
Du Series - Week 4 - Relay
Run 2 miles – Bike 11 miles – Run 2 miles
Typical race-day weather
Based on 6 years of historical conditions on this event's race dates in Springfield.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 37 Springfield events
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