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.
Dooby Du Duathlon 2027
- Date
- Wednesday, May 5, 2027
- Start time
- 6:30 PM start (New York)
- Location
- Sylvania, Ohio
- Entry fee
- From $55 · goes up to $60 on Mar 15, 2027
- Included with entry
- Includes a shirt
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| DOOBY DU DUATHLON | Duathlon | May 5, 20276:30 PM | $55$60 after Mar 15, 2027 | 130 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- $55 until Mar 14, then $60 until May 5.
Online registration closes May 5, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 6:27 AM, and the DOOBY DU DUATHLON starts at 6:30 PM. The start sits about 660 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
10001 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.
Course profile: how hilly is DOOBY DU DUATHLON?
The 13.5-mile bike course climbs 195 feet, about 14 feet a mile: flat.
| Course | Distance | Climbing | Terrain |
|---|---|---|---|
| 13.5 mi Cycling Route in Sylvania, OhioBike | 13.5 mi | 195 ft | flat |
| 3.2 mi Running Route in Sylvania, OhioRun | 3.2 mi | 91 ft | rolling |
| 1.6 mi Running Route in Sylvania, OhioRun | 1.6 mi | 59 ft | rolling |
From the course maps the organizers publish on Ride with GPS and MapMyRun; climbing is the total gain the map reports. Courses can change between editions, so check the date on the map.
Where DOOBY DU DUATHLON ranks
- No. 18 of 50 on Largest duathlons in the US
- No. 35 of 50 on Cheapest duathlons in the US
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
2026 results
All results (2 years)74
finishers
1:32:00
median
1:03:13
winning time
30% / 70%
women / men
Aggregated from official results (DRS Timing) for DOOBY DU DUATHLON. Individual finisher names are not stored here.
How fast do you need to be at DOOBY DU DUATHLON?
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.
What would my time get me?
Where a finish time would have placed in 2026.
Leg splits at DOOBY DU DUATHLON
| Leg | Top 10% | Top 25% | Median | Slowest 25% |
|---|---|---|---|---|
| T1 | 0:30 | 0:39 | 0:53 | 1:12+ |
| T2 | 0:31 | 0:37 | 0:56 | 1:09+ |
Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.
Finishers by year
Up 25 percent since 2025.
59
2025
74
2026
All events combined, from official results.
DOOBY DU DUATHLON Duathlon year by year
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.
How fast is it?
About average for US duathlons
The fastest quarter of the 2026 duathlon field finished under 1:20:26, against 1:20:51 in a typical US duathlon, so times here are about average.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around May 5 the day usually runs from 46°F at dawn to 63°F in the afternoon, with measurable rain on about 31% of days. Cold snaps dip to 37°F and hot years reach 79°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
From the race's page
What the organizers of DOOBY DU DUATHLON cover on their registration page, in brief.
Awards
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+.
Race details
- Where
- 10001 West Central Avenue, Sylvania, OH 43560Map
- Course
- Road
- Start elevation
- About 660 feet
- Included with entry
- Soft Cotton, Unisex T-Shirt
- Distances
- Duathlon
- Editions
- 2027 (May 5, 2027), 2026 (May 6, 2026), 2025 (May 4, 2025), 2024 (May 5, 2024), 2023 (Apr 30, 2023), 2022 (May 1, 2022)
Organize this race? Add details or a correction
Quick answers
- When is DOOBY DU DUATHLON?
- Wednesday, May 5, 2027, starting at 6:30 PM.
- How much does it cost?
- Entry starts at $55 before processing fees, and rises to $60 on Mar 15, 2027.
- When does registration close?
- Online registration closes May 5, 2027, unless the race fills first.
- Do athletes get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- What distances are offered?
- Duathlon.
- How big is it, and how fast?
- In 2026, 74 athletes finished the DOOBY DU DUATHLON; the median finish was 1:32:00 and the winner finished in 1:03:13.
- Is it a fast course?
- The fastest quarter of the 2026 duathlon field finished under 1:20:26, against 1:20:51 in a typical US duathlon, so times here are about average.
- Where does it start?
- 10001 West Central Avenue, Sylvania, OH 43560.
- Is there a course map?
- Yes, the organizers publish the route on MapMyRun; the link is under Start location and course.
From the organizers
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