Door County Half Marathon & Nicolet Bay 5K
Door County Half Marathon: a lakeside loop through Peninsula State Park.
Race Date
May 2, 2026
Location
Peninsula State Park, WI
Quick facts
- Date
- Saturday, May 2, 2026
- Location
- Peninsula State Park, Wisconsin
- Distance
- Half marathon (13.1 mi) + 5K run
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 21,081
Highlights
Good For
Atmosphere
Course
The Experience
Now in its 17th edition, the Door County Half Marathon draws around 1,400 runners from 27 states, with a loyal 28% returning each year. The race runs a closed, USATF-certified road course through Peninsula State Park, starting and ending at Nicolet Bay Beach. The route offers stunning views of Lake Michigan and dense forest, with rolling terrain that keeps things interesting without being punishing.
The capped field of 2,000 creates a comfortable, community feel. Eight aid stations keep runners fueled, and the finish line opens into a post-race party with beer and live music. A finisher's medal and the option to run a 5K make it a versatile destination event. Whether you're chasing a PR or a scenic escape, this half marathon delivers a memorable Wisconsin weekend.
Race-provided description
The Door County Half Marathon is run on a closed, USATF-certified road course through Peninsula State Park, starting and ending near Nicolet Bay Beach. The event also includes a Nicolet Bay 5k that finishes at the same line. The race is capped at 2,000 participants and features eight aid stations, a finisher's medal, and a post-race party with beer and live music.
Course Info
Course Type
Loop Course
Terrain
road
Scenery
Forest, Lake River
Surface
Paved
Difficulty
Rolling Hills
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Quality Score
Runner Favorite8818 years running
~1,294 finishers a year
growing or steady
30% returning runners
2 timing sources · 12 photos
runners from 28 states
winner 1:10:25
typical high 53°F
Race Day Weather
5-year historical avgStart (Low)
41°
Afternoon (High)
51°
Ideal racing weather — cool and comfortable
0.1"
Precipitation
16 mph
Wind
80%
Humidity
Historical Finish Times
How 21,081 finishers actually crossed the line across 18 years.
Most recent
2026
Total finishers
21,081
Median time
2:08:24
Latest turnout
1,294
States
42
Turnout by year
2018–2026
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Door County Half Marathon & Nicolet Bay 5K?
The Door County Half Marathon & Nicolet Bay 5K is held on Saturday, May 2, 2026.
Where does the Door County Half Marathon & Nicolet Bay 5K take place?
It takes place in Peninsula State Park, Wisconsin.
What distances does the Door County Half Marathon & Nicolet Bay 5K offer?
The half marathon (13.1 miles), plus 5K run.
Is the Door County Half Marathon & Nicolet Bay 5K course flat and good for a PR?
The Door County Half Marathon & Nicolet Bay 5K is a rolling hills, loop course course.
How many people run the Door County Half Marathon & Nicolet Bay 5K?
HalfRuns has finish records for 21,081 runners who have completed the Door County Half Marathon & Nicolet Bay 5K.
HalfRuns editorial — independent, no paid placement.
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