Wisconsin has 28 active marathons this year. Races are most common in September, April, and May. Course terrain for these courses is most often rolling hills or mostly flat. Typical race day temperatures range from 38°F to 72°F.
Popular races include the Madison Marathon, Lakefront Marathon, and Milwaukee Marathon. 23 certified courses can be great Boston qualifier options. Races with the best Boston qualifying percentages include the Non Cancelled Marathon — 26.3% BQ and Elroy Apple Dumpling Day Marathon — 20.9% BQ.
| Wisconsin Marathons |
Course
|
PR Score
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|---|---|---|---|---|---|---|---|
Trailbreaker MarathonWaukesha, WI03/29/2026 |  Mostly Flat 89 Finishers |
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Milwaukee MarathonMilwaukee, WI04/10/2027 |  Rolling Hills1,092 Finishers |
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Brew City MarathonMilwaukee, WI04/18/2026 | Mostly Flat339 Finishers |
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Pine Line Trail MarathonMedford, WI04/18/2026 | Mostly Flat25 Finishers |
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Non Cancelled MarathonOconomowoc, WI04/25/2026 | Mostly Flat19 Finishers |
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Wisconsin MarathonKenosha, WI04/25/2026 | Mostly Flat292 Finishers |
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Run the Rock MarathonJanesville, WI04/26/2026 | Rolling Hills15 Finishers |
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Eau Claire MarathonEau Claire, WI05/02/2027 | Rolling Hills633 Finishers |
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La Crosse MarathonLa Crosse, WI05/02/2026 |  Downhill223 Finishers |
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Madeline Island MarathonLa Pointe, WI05/16/2026 | Rolling Hills87 Finishers |
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Epic MarathonGreen Bay, WI05/17/2026 | Rolling Hills393 Finishers |
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Northwoods Escape MarathonMinocqua, WI05/24/2026 | Mostly Flat60 Finishers |
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Maritime MarathonManitowoc, WI06/07/2026 | Mostly Flat231 Finishers |
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Dances with Dirt Marathon - Devils LakeBaraboo, WI07/11/2026 |  Hilly98 Finishers |
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Paavo MarathonHurley, WI08/09/2025 | Rolling Hills76 Finishers |
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Bound for Boston (Milwaukee) MarathonMenomonee Falls, WI08/23/2026 | Mostly Flat11 Finishers |
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Wausau MarathonWausau, WI08/23/2026 | Mostly Flat126 Finishers |
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Minocqua No Frills MarathonMinocqua, WI09/06/2026 | Rolling Hills59 Finishers |
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DoLittle MarathonWaukesha, WI09/12/2026 | Rolling Hills35 Finishers |
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Elroy Apple Dumpling Day MarathonElroy, WI09/12/2026 | Mostly Flat91 Finishers |
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Adrenaline Races MarathonWest Bend, WI09/20/2026 | Rolling Hills71 Finishers |
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Fox Cities MarathonAppleton, WI09/20/2026 | Rolling Hills543 Finishers |
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American Birkebeiner MarathonHayward, WI09/26/2026 |  Very Hilly34 Finishers |
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Jailbreak MarathonWautoma, WI09/27/2025 | Rolling Hills23 Finishers |
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Lakefront MarathonMilwaukee, WI10/04/2026 | Rolling Hills1,592 Finishers |
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Gandy Dancer MarathonLuck, WI10/10/2026 | Mostly Flat56 Finishers |
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Whistlestop MarathonAshland, WI10/10/2026 | Downhill200 Finishers |
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Madison MarathonMadison, WI11/15/2026 | Rolling Hills1,911 Finishers |
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