Running races in Wisconsin in Aug 2027

19 races in date order

Root River 5K Run/Walk
August 2027 · Racine, WI · 5K
Along the Root River during Racine's River Fest

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Sturgeon Shuffle 10K 5K
August 2027 · New London, WI · 10K · 5K

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Musky Fun Run
August 2027 · Boulder Junction, WI · 10K · 5K · 1K

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Wolverine 5K
Sun 8 Aug 2027 · Waterford, WI · 5K

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Old Plank Sunset Half Marathon
August 2027 · Kohler, WI · Half Marathon
Point-to-point along Wisconsin's paved Old Plank Trail

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Paavo Nurmi Marathon
Sat 14 Aug 2027 · Hurley, WI · Marathon · Half Marathon · 5K
Wisconsins longest-running road race since 1969

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Golden Kettle Trail Series
August 2027 · Campbellsport, WI · Golden Gauntlet · Long Course · Mid Course · Short Course
Trail race through Wisconsin's Kettle Moraine State Forest

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Madison Mini Marathon
August 2027 · Madison, WI · Half Marathon · 5K

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Neenah X-Country 5K Fundraiser
August 2027 · Neenah, WI · 5K

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2026 Run/Walk to Milwaukee Irish Fest
August 2027 · Milwaukee, WI · 5K
Runs along Milwaukee's Lake Michigan festival grounds

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Underdown Trail Races
August 2027 · Merrill, WI · 60k · Marathon · half marathon
Grassroots wilderness racing on glacier-carved Wisconsin trails

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Trail Mix Races 2026
August 2027 · Holmen, WI · 10K · 5K

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Strider Half Marathon
August 2027 · Milwaukee, WI · Half Marathon
Loops Estabrook Park along the Milwaukee River

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Stars and Stripes Honor Flight
August 2027 · Milwaukee, WI · 5K

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Bound for Boston Marathon
Sun 22 Aug 2027 · Menomonee Falls, WI · Marathon · Half Marathon · 10K · 5K
Flat, fast 1-mile loop — a Boston qualifier

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Middleton Good Neighbor Fest 5K
August 2027 · Middleton, WI · 5K

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Run The Hawk Trail Runs
August 2027 · Middleton, WI · 12 Hour Challenge · 6 Hour Challenge · 3 Hour Challenge · Trail Mix Fun Run
Passes beneath a 60-meter ski jump in the Driftless Area

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Midwest States 100
Sat 28 Aug 2027 · Westboro, WI · 100 Mile · 100K · 50K

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Lake Country Half Marathon
Sat 28 Aug 2027 · Oconomowoc, WI · Half Marathon · 8 Mile
Winds through Oconomowoc's Lake Country

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← Wisconsin Oct Nov Dec Jan 2027 Feb 2027 Mar 2027 Apr 2027 May 2027 Jun 2027 Jul 2027 Sep 2027 Oct 2027

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Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.