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Duathlon5K
The Fox River Challenge
- Date
- Last held May 9, 2026, next date to be announced
- Location
- Wrightstown, Wisconsin
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Start location and course
108 High Circle, Wrightstown, WI 54180
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
2026 results
All results (2 years)The Fox River Challenge
121
finishers
1:36:02
median (5:03 /mi)
1:00:40
winning time
42% / 58%
women / men
The Fox River Challenge 5k Only
56
finishers
33:22
median (10:40 /mi)
18:48
winning time
65% / 35%
women / men
Aggregated from official results for The Fox River Challenge. Individual finisher names are not stored here.
How fast do you need to be at The Fox River Challenge?
At the 2026 The Fox River Challenge, the fastest tenth finished in 1:16:07 or better, the top quarter in 1:24:52, and half the field in 1:36:02; the last tenth came in after 2:03:48.
At the 2026 The Fox River Challenge 5k Only, the fastest tenth finished in 24:11 or better, the top quarter in 28:56, and half the field in 33:22; the last tenth came in after 51:08.
| Age | Women | Men |
|---|---|---|
| 30-39 | 1:20:57 | 1:16:44 |
| 40-49 | 1:30:47 | 1:12:27 |
| 50-59 | 1:27:16 | 1:35:30 |
| 60-69 | n/a | 1:43:46 |
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.
Finishers by year
Down 11 percent since 2025.
200
2025
177
2026
All events combined, from official results.
The Fox River Challenge Duathlon year by year
From 2025 to 2026, the field went from 113 to 121 finishers, and the median time dropped from 1:39:42 to 1:36:02.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 121 (+7%) | 1:36:02 | under 1:16:07 | 1:00:40 |
| 2025 | 113 | 1:39:42 | under 1:18:07 | 1:06:24 |
From each year's official results for the Duathlon; virtual options are left out.
How fast is it?
About average for US 5Ks
The fastest quarter of the 2026 5K field finished under 28:56, against 28:55 in a typical US 5K, 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.
From the race's page
What the organizers of The Fox River Challenge cover on their registration page, in brief.
Race details
- Where
- 108 High Circle, Wrightstown, WI 54180Map
- Course
- Road
- Distances
- Duathlon, 5K
- Editions
- 2026 (May 9, 2026), 2025 (May 10, 2025), 2024 (May 11, 2024), 2023 (May 13, 2023)
- Status
- The next edition has not been announced yet. Past events: Kids Race, Living Life Duathlon, The Fox River Challenge, The Fox River Challenge 5k Only, The Fox River Challenge.
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Quick answers
- When is The Fox River Challenge?
- The next date has not been announced.
- How much does it cost?
- See the registration page for current pricing.
- What distances are offered?
- Duathlon, 5K.
- How big is it, and how fast?
- In 2026, 121 athletes finished the The Fox River Challenge; the median finish was 1:36:02 and the winner finished in 1:00:40.
- Is it a fast course?
- The fastest quarter of the 2026 5K field finished under 28:56, against 28:55 in a typical US 5K, so times here are about average.
- Where does it start?
- 108 High Circle, Wrightstown, WI 54180.
- Is there a course map?
- Yes, the organizers publish the route on runsignup.com; the link is under Start location and course.
From the organizers
The 2026 Fox River Challenge is scheduled for May 9th starting at 8:00 AM in Wrightstown, WI. The start/finish is located in The Fox River District right along The Fox River and the initial leg of the race, the out-and-back 5k run, will follow the beautiful eastern shore on Hwy ZZ. This leg of the race will also be open to individual run/walk participation in the Fox River Challenge- 5k only. This is the same route as last year.
Duathlon participants will begin at approximately 8:05- right after the announcements and National Anthem. All 5k run/walk participants will start 10 minutes later to give the Duathlon participants a head-start in order to avoid transition clustering.