Ultras in Michigan — 2026

There are 48 ultras in Michigan scheduled for 2026. The next is the Anderson Lake Backyard Ultra in Gwinn on October 10. Michigan ultras run primarily October through September.

Anderson Lake Backyard Ultra

Sat, Oct 10 · Gwinn, MI Gwinn

Anderson Lake Backyard Ultra

From $75 Open Closing Soon 65 spots left

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Wolverine State 100

Sat, Oct 10 · Petoskey, MI Petoskey

Virtual 50K50 Kilometer100 Mile +4

From $60 Open Closing Soon

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Spooky Sprint - Grand Rapids

Sat, Oct 10 · Caledonia, MI Caledonia

1 Mile5K10K +7

From $17 Open Closing Soon 5 spots left

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Wild Goose Chase 5K and Gosling Run

Sun, Oct 11 · Fennville, MI Fennville

Gosling Run 7 to 9 yrs oldGosling Run 10 to 12 yrs oldWild Goose Chase 5K +2

From $15 Open Closing Soon

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University of Michigan Health-West Grand Rapids Marathon

Sun, Oct 18 · Grand Rapids, MI Grand Rapids

Half MarathonHandcycle - MarathonMarathon +3

From $47.5 Open Closing Soon

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Spooky Sprint - Ann Arbor

Sat, Oct 24 · Ypsilanti, MI Ypsilanti

1 Mile5K10K +7

From $17 Open Closing Soon 5 spots left

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Capital City Dia de Los Muertos 5k Run/Walk/Roll

Sat, Oct 24 · Lansing, MI Lansing

Capital City Dia De Los Muertos 5k Run/Walk/RollKids Run - Carrera de Los Niños

From $10 Open Closing Soon

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The Missing Slice - Love, Hope & Pizza 5K

Sat, Oct 24 · Adrian, MI Adrian

5K Run or WalkKids Run

From $5 Open

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West Side Donut Dash

Sat, Oct 24 · Grand Rapids, MI Grand Rapids

West Side Donut Dash 5k Trail RunKids Run

From $10 Open

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Spooky Sprint- Lansing

Sun, Oct 25 · Lansing, MI Lansing

1 Mile5K10K +7

From $17 Open Closing Soon 5 spots left

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Wicked Halloween Runs

Sun, Oct 25 · Northville, MI Northville

5k10k15k +4

From $30 Open Closing Soon

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Kona Chocolate Run

Sun, Nov 8 · Detroit, MI Detroit

5k10k15k +1

From $35 Open

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Turkey Trails- Grand Rapids

Sun, Nov 22 · Zeeland, MI Zeeland

1 Mile5K10K +7

From $17 Open 5 spots left

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Turkey Trails- Ann Arbor

Sat, Nov 28 · Milford, MI Milford

1 Mile5K10K +7

From $17 Open 5 spots left

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Turkey Trails - Lansing

Sun, Nov 29 · Lansing, MI Lansing

1 Mile5K10K +7

From $17 Open 5 spots left

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Come Home to Alma for the Holidays - Jingle Bell 5K and 10K

Sat, Dec 12 · Alma, MI Alma

5k Run/Walk10k RunKid's Reindeer Trot

From $15 Closed 45 spots left

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Candy Cane Course- Ann Arbor

Sat, Dec 12 · Ypsilanti, MI Ypsilanti

1 Mile5K10K +7

From $22 Open Closing Soon 5 spots left

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Candy Cane Course - Lansing

Sun, Dec 13 · Lansing, MI Lansing

1 Mile5K10K +7

From $22 Open Closing Soon 5 spots left

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Candy Cane Course - Grand Rapids

Sun, Dec 20 · Caledonia, MI Caledonia

1 Mile5K10K +7

From $22 Open 5 spots left

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Time Travel Half-Marathon/5K/10K - Ann Arbor

Sat, Jan 9 · Ypsilanti, MI Ypsilanti

1 Mile5K10K +4

From $17 Open 5 spots left

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Time Travel Half-Marathon/5K/10K - Grand Rapids

Sun, Jan 10 · Grand Rapids, MI Grand Rapids

1 Mile5K10K +4

From $17 Open 5 spots left

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Time Travel Half-Marathon/5K/10K - Lansing

Sun, Jan 10 · Lansing, MI Lansing

1 Mile5K10K +4

From $17 Open 5 spots left

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UP Health System Great Bear Chase

Sat, Mar 13 · Calumet, MI Calumet

10km Freestyle10km Classic10km Freestyle +21

From $0 Open 60 spots left

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Irish Jig 5K Run and Walk

Sat, Mar 20 · Grand Rapids, MI Grand Rapids

5K Walk5K5K Run or Walk +4

From $0 Open

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DoNot Stop Half Marathon/5K/10K - Grand Rapids

Sat, Apr 3 · Grand Rapids, MI Grand Rapids

1 Mile1 Mile5K +13

From $0 Open 5 spots left

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DoNot Stop Half Marathon/5K/10K - Lansing

Sat, Apr 17 · Lansing, MI Lansing

1 Mile1 Mile5K +11

From $17 Open Closing Soon 5 spots left

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DoNot Stop Half Marathon/5K/10K - Ann Arbor

Sat, Apr 17 · Ann Arbor, MI Ann Arbor

1 Mile1 Mile5K +13

From $0 Open Closing Soon 5 spots left

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Thumb Coast Ultra & Relay - 50 Mile, 50K, & 50 Mile Relay

Sat, Apr 24 · Caseville, MI Caseville

Virtual 50KVirtual 50 MileVirtual 50K +12

From $10 Open

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The Izzo Run/Walk/Roll

Sun, Apr 25 · East Lansing, MI East Lansing

1/2 K Walk/Roll1/2 K Walk/RollKids' 1/2 Mile +9

From $15 Open

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Traverse City Trail Running Festival

Fri, May 7 · Traverse City, MI Traverse City

5K5K10K Run +17

From $0 Open 1 spots left

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Hometown Half Marathon/5K/10K - Ann Arbor

Sun, May 23 · Ann Arbor, MI Ann Arbor

1 Mile1 Mile5k +11

From $17 Open 5 spots left

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SHS 5K

Sat, May 29 · Hudson, MI Hudson

1k Kids Run1k Kids Run5k Run / Walk +3

From $0 Closed

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BIGFOOT CHALLENGE 5K/8K Memorial Day Run

Mon, May 31 · Dansville, MI Dansville

3K Bigfoot walk (awards)Bigfoot Challenge 5k Run/WalkBigfoot Challenge 5k Run +8

From $15 Open

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Epic Races' Island Lake Triathlon, Duathlon, Aquabike

Sat, Jun 5 · Brighton, MI Brighton

Open Water Timed Practice Swim - 400mOpen Water Timed Practice Swim - 400mOpen Water Timed Practice Swim - 750m +17

From $31.5 Open

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Summer Trail Fest Ultra 50 Mile, 50K, Half Marathon, & 5 Miler

Sat, Jun 12 · Laingsburg, MI Laingsburg

5 Mile - Ecomony Package5 Mile5 Mile Ruck +27

From $10 Open

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Grand Rapids Triathlon

Sun, Jun 13 · Ada, MI Ada

Half Swim OnlyHalf Swim OnlySuper Sprint Aquabike +47

From $43 Open Closing Soon

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The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile

Fri, Jun 25 · Rockford, MI Rockford

The FRED 25 Relay - Up to 6 Person CrewThe FRED 25 Relay - Up to 6 Person CrewThe FRED 25 Relay - Up to 6 High Schoolers +13

From $40 Open

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Tri Goddess Triathlon

Sat, Jun 26 · Grass Lake, MI Grass Lake

Open Water Practice Swim - 1 MileSprint AquabikeSprint Aquabike +10

From $29.5 Open

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Ann Arbor Firecracker 5K: Run, Walk, or Ruck

Sun, Jul 4 · Ann Arbor, MI Ann Arbor

1-Mile Fun Run1-Mile Fun Run5K Flag Carrying Division +14

From $10 Open 20 spots left

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TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event

Sun, Jul 18 · Middleville, MI Middleville

Olympic SWIM Only: 1,500m swimOlympic SWIM Only: 1,500m swimOlympic RUN Only: 10k run +19

From $30 Open

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Heatwave Half Marathon/5K/10K - Ann Arbor

Sat, Jul 24 · Ann Arbor, MI Ann Arbor

1 Mile1 Mile5K +12

From $17 Open 5 spots left

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Heatwave Half Marathon/5K/10K - Grand Rapids

Sat, Jul 31 · Caledonia, MI Caledonia

1 Mile1 Mile5K +12

From $17 Closed 5 spots left

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Summer Sizzler- Grand Rapids

Sun, Aug 15 · Grand Rapids, MI Grand Rapids

1 Mile1 Mile5K +11

From $17 Closed 5 spots left

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Michigan Titanium

Sun, Aug 15 · Grand Rapids, MI Grand Rapids

Ultra Triathlon (140.6 miles)Olympic Triathlon Relay (3 person)Half Triathlon Relay (3 person) +41

From $49.67 Open Closing Soon 1 spots left

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Summer Sizzler- Ann Arbor

Sat, Aug 21 · Ann Arbor, MI Ann Arbor

1 Mile1 Mile5K +11

From $17 Open 5 spots left

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Golden Harvest Half Marathon & 5k/10k - Ann Arbor

Sat, Sep 4 · Ypsilanti, MI Ypsilanti

1 Mile1 Mile5K +14

From $17 Open 5 spots left

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Golden Harvest Half Marathon & 5K/10K - Lansing

Sun, Sep 5 · Lansing, MI Lansing

1 Mile1 Mile5K +14

From $17 Open 5 spots left

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Golden Harvest Half Marathon & 5K/10K - Grand Rapids

Sun, Sep 19 · Grand Rapids, MI Grand Rapids

1 Mile1 Mile5K +14

From $17 Open 5 spots left

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