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Trail Running Calendar near West Allis 2026-2027

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Explore the top trail runs near West Allis for 2026-2027! We've gathered 18 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

Trail Running Calendar United States
September 2026
Sep
5-6
Sa - Su

Badgerland Striders 24-12-6 Hour Runs

Backyard Ultra
Timed ultrarunning at Lapham Peak State Park with 24, 12 and 6 hour options plus a distance division for marathon and longer targets. One mile loop, chip timing, an aid station, and a cupless refill policy.
Sep
26
Sa

Backyard Nonsense

Backyard Ultra
Backyard Nonsense on September 26, 2026 at Richard Bong State Recreation Area offers 24 hour and shorter timed trail races, including a Backyard 12 loop format.
Sep
27
Su

Procrastination Run

Trail Run 3 mi 6 mi 13 mi
Join this trail event at Minooka Park featuring half marathon 10K and 5K distances. Participants can choose between running walking and rucking on a scenic course with shaded trails and a notable hill challenge.
October 2026
Oct
3
Sa

Lapham Peak Colorama Run/walk

Trail Run 3 mi 6 mi
A fall trail event at Lapham Peak State Forest featuring timed 5K and 10K runs, accessible walk options, and a free 1K Smokey Bear run for children age 10 and under; participant shirts, awards, and post-event treats are included.
Oct
4
Su

The Milwaukee Beer Run 5k

Trail Run 5 km
A community 5k and a 54 yard dash on October 4, 2026 in Glendale with an out-and-back course on the Oak Leaf Trail. Registration includes all-day entry to Milwaukee's Original Oktoberfest at Old Heidelberg Park.
Oct
10
Sa

Zachariah's Acres Fall Run, Walk & Roll

Trail Run 3 mi 6 mi 13 mi
Community running, rucking, and family walking event on October 10, 2026 in Oconomowoc, with proceeds supporting children with special needs.
Oct
10-11
Sa - Su

Helios

Trail Run 5 km 8 km 10 km
A loop-based trail ultra in Eagle, Wisconsin offering 6, 12 and 20 hour formats for solo runners or relay teams up to four people, set on three mapped autumn loops through the Southern Kettle Moraine Forest.
Oct
10
Sa

Second Mile Fun Run & Walk

Trail Run 2 mi
A family friendly fundraiser at Petrifying Springs Park offering 1 mile and 2.25 mile options to support Rey de Reyes Ministry in Guatemala with virtual participation available.
Oct
11
Su

Race for Open Space - West Bend

Trail Run 5 km 10 km
Trail runs and a 1-mile walk at Fox Hill Nature Preserve on 10/11/2026, held to support conservation in the Cedar Lakes region; varied distances include 5K, 10K, a 1-mile walk, and a Kiddos 1K.
Oct
17
Sa

National Sweetest Day

Trail Run 3 mi 6 mi 13 mi
National Sweetest Day at Nashotah Park on October 17, 2026 offers running, walking, and ruck events from a kids 1K to a half marathon. Entry fees vary and several events include post race treats.
Oct
31
Sa

Among the Trees

Trail Run 50 km 100 km
Experience the historic Ice Age Trail during this autumn ultramarathon in the Southern Kettle Moraine Forest. Choose between 50k and 100k distances featuring on site branded wooden medals and scenic fall colors.
November 2026
Nov
7
Sa

Warrior 5K & 8K Through the Park

Trail Run 5 km 8 km
Trail runs and a 2.25 mile walk through rolling park trails and wooded sections in West Allis.
Nov
14
Sa

Bucks & Does 13.1

Trail Run 3 mi 6 mi 13 mi
Bucks & Does 13.1 Pointer is a multi-distance running, walking, and ruck event at Nashotah Park on 11/14/2026. Distances range from a youth Bambi Run to a 13.1 Pointer, and every finisher receives a wooden finisher medal.
Nov
28
Sa

Midwest XC Championships

Trail Run 3 km 5 km
Brooks Midwest XC Championships in Kenosha WI on Nov 28, 2026 features high school championship 5K races, a youth 3K and an open 5K with national qualifying spots at stake.
February 2027
Feb
27-28
Sa - Su

ARKTOS

Backyard Ultra
A winter timed ultra in the Southern Kettle Moraine Forest offering 6, 12 and 24 hour loop options for solo runners and relay teams. The field is limited to 160 participants and the 6 hour option is available in AM and PM waves.
April 2027
Apr
4
Su

Trailbreaker

Trail Run 3 mi 6 mi ... 20 mi 26 mi
Trailbreaker returns to Waukesha on April 4, 2027 with races from a 1K kids run to a full marathon, plus ruck options and a walk. Proceeds support the Park Foundation of Waukesha and local parks and recreation.
August 2027
Aug
14-16
Sa - Mo

Run S'more 24

Road Race Trail Run Backyard Ultra 3 mi 6 mi ... 50 km 50 mi
A 24-hour running event at Nashotah Park with solo and relay options, multiple race and ruck distances, plus camping, bonfires and s'mores.
October 2027
Oct
9
Sa

Ultratrax Alpine Valley

Trail Run 7 mi 14 mi 21 mi 28 mi
A timed long distance walking event at Alpine Valley, Elkhorn, WI on October 9, 2027 offering 7, 14, 21, and 28 mile loops, optional weighted vests, and a 10 hour finish limit.
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