Course
Course Maps
2.5K Run → Packed gravel park trail. 13.5 Mile Bike → Paved flat rural roads. 5K Run → Packed gravel park trail. View Course Maps Here.

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Official race website10001 West Central Avenue, Sylvania, OH 43560
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
Aggregated from official results (DRS Timing) for DOOBY DU DUATHLON. Individual finisher names are not stored here.
In 2026, the fastest tenth finished in 1:12:57 or better, the top quarter in 1:20:26, and half the field in 1:32:00; the last tenth came in after 1:55:58.
| Age | Women | Men |
|---|---|---|
| 20-29 | n/a | 1:24:09 |
| 30-39 | n/a | 1:08:56 |
| 40-49 | 1:42:22 | 1:19:48 |
| 50-59 | 1:24:56 | 1:15:36 |
| 60-69 | n/a | 1:19:59 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
Where a finish time would have placed in 2026.
Up 25 percent since 2025.
All events combined, from official results.
From 2025 to 2026, the field went from 59 to 74 finishers, and the median time dropped from 1:37:24 to 1:32:00.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 74 (+25%) | 1:32:00 | under 1:12:57 | 1:03:13 |
| 2025 | 59 | 1:37:24 | under 1:19:18 | 1:10:59 |
From each year's official results for the Duathlon; virtual options are left out.
What the organizers of DOOBY DU DUATHLON cover on their registration page, in brief.
Course
2.5K Run → Packed gravel park trail. 13.5 Mile Bike → Paved flat rural roads. 5K Run → Packed gravel park trail. View Course Maps Here.
Awards
Trophy to OA Male and Female. Trophy to OA Masters Male and Female. Trophy to First Place Male and Female in each age group. 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75+.
Organize this race? Add details or a correction
This early season duathlon is perfect to dust off those bikes and get ready for multi-sport season. This event is great for experienced athletes as well as those wanting to try their first duathlon. Both of the run courses are within Secor Metropark on hard packed gravel trails and the bike course is a two loop course on surrounding roads.
COURSE
2.5K Run → Packed gravel park trail | Map My Run Course
13.5 Mile Bike → Paved flat rural roads | Map My Run Bike Course
5K Run → Packed gravel park trail | Map My Run Course
SPECTATOR TIPS