Half Marathons in Michigan — 2026

There are 52 half marathons in Michigan scheduled for 2026. The next is the Michigan Dogman Trail Series in Thompsonville on September 4. Michigan half marathons run primarily September through August.

Michigan Dogman Trail Series

Fri, Sep 4 · Thompsonville, MI Thompsonville

Michigan Legacy Art Park 5KDogman 5KDogman 10K +1

From $45 Closed

Register →

Michigan Trail Fest

Fri, Sep 4 · Thompsonville, MI Thompsonville

Legacy Art Park 5K5K10K +1

From $45 Closed

Register →

Mott Lake Trail Run (3Mile | 5Mile | 12.5K)

Sat, Sep 5 · Flint, MI Flint

3 Mile Run/Walk5 Mile Run12.5K Run +1

From $40 Open Closing Soon

Register →

Minnehaha Brewhaha 5k & 15k

Sat, Sep 5 · Arcadia, MI Arcadia

Minnehaha 5kMinnehaha 15k

From $35 Open Closing Soon

Register →

Aliferis Memorial Race

Sat, Sep 5 · Alpena, MI Alpena

Aliferis 1 Mile Run/WalkAliferis 5K Run/WalkAliferis 6.5 Mile Bike Tour +2

From $20 Open Closing Soon

Register →

Medal Madness 5K, 10K, & 13.1M at Grand Ledge, MI (36)

Sat, Sep 5 · Grand Ledge, MI Grand Ledge

5K10KHalf Marathon

From $30 Open Closing Soon

Register →

Run Branch County 5k & Half Marathon

Sun, Sep 6 · Coldwater, MI Coldwater

Run Branch County 5KHalf Marathon

From $30 Open Closing Soon

Register →

Dragon Trails Triathlon (Sprint)

Sun, Sep 13 · Lake Orion, MI Lake Orion

Dragon Trails Triathlon Relay (Sprint)Dragon Trails Triathlon (Sprint)

From $100 Open Closing Soon

Register →

R2 - ResRUN26

Sat, Sep 19 · Big Rapids, MI Big Rapids

5k Run10KHalf Marathon

From $35 Open

Register →

Escanaba Fall Classic 5K Run/Walk

Sat, Sep 19 · Escanaba, MI Escanaba

Fall Classic 5K Run/WalkFall Classic 5K Run/Walk YOUTHEscanaba Fall Classic Half Marathon +1

From $20 Open

Register →

Medal Madness 5K, 10K, & 13.1M at Corunna, MI (38)

Sat, Sep 19 · Corunna, MI Corunna

5K10K13.1M

From $30 Open

Register →

Capital City River Run

Sat, Sep 19 · Lansing, MI Lansing

Sohn Kids Races - Mile and SprintCapital City River Run 5K RaceCapital City River Run Half Marathon

From $10 Open

Register →

Detroit Women's Half Marathon presented by Playa Bowls

Sun, Sep 20 · Detroit, MI Detroit

1-Mile Run/Walk5K Run/WalkVirtual 5K Run/Walk +5

From $30 Open Closing Soon

Register →

Pave the Way

Sat, Sep 26 · Shelby Township, MI Shelby Township

5K10K1/2 Marathon

From $35 Open

Register →

10 & 20 Mile Training Run

Sat, Sep 26 · Grand Rapids, MI Grand Rapids

10 Mile Training Run20 Mile Training Run

From $0 Open

Register →

BWell Saginaw Strides Toward Wellness 2026

Sat, Sep 26 · Saginaw, MI Saginaw

5K Run/Walk10K RunChallenge for Change 10K & 5K

From $30 Open

Register →

Medal Madness 5K, 10K, & 13.1M at Lansing, MI (39)

Sat, Sep 26 · Lansing, MI Lansing

5K10KHalf Marathon

From $30 Open

Register →

Betsie Valley Trail Run

Sat, Sep 26 · Thompsonville, MI Thompsonville

1 Mile Fun Run5K10K +1

From $15 Open 20 spots left

Register →

Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus

Sat, Sep 26 · Holland, MI Holland

5KHalf-MarathonVirtual 5K +1

From $20 Open Closing Soon

Register →

2026 Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun Run

Sat, Sep 26 · Iron Mountain, MI Iron Mountain

1 Mile Fun Run/WalkRun Iron Mountain 5K Run/WalkRun Iron Mountain 10K Run/Walk +2

From $10 Open 50 spots left

Register →

Sault International Festival of Races

Sat, Sep 26 · Sault Sainte Marie, MI Sault Sainte Marie

5K WalkVirtual 5K WalkVirtual 5K Run +5

From $20 Open

Register →

SHE RUNS Grand Rapids

Sun, Sep 27 · Grand Rapids, MI Grand Rapids

5kVirtual 5KVirtual 10k +3

From $35 Open

Register →

THE ROOTED HALF MARATHON & 5K

Sun, Sep 27 · Lake Orion, MI Lake Orion

5K RUN/WALK + DOGGIE DIVISIONVIRTUAL 5K RUN/WALK5K RUN/WALK +2

From $45 Open Closing Soon 50 spots left

Register →

Haunted 5K, 10K, & 13.1M at Grand Ledge, MI (40)

Sat, Oct 3 · Grand Ledge, MI Grand Ledge

5K10KHalf Marathon

From $30 Open

Register →

Oktoberfest Runs @ Stony Creek

Sun, Oct 4 · Shelby Township, MI Shelby Township

5k10kHalf Marathon +1

From $50 Open

Register →

Cedar Springs-Run Michigan Cheap

Sun, Oct 4 · Cedar Springs, MI Cedar Springs

5k Walk5k10k +1

From $20 Open

Register →

Lane Walker Foundation Race

Sat, Oct 10 · Alma, MI Alma

5k RunChildren 12 and under (Free with a registered adult)5k Fun Walk/Run +2

From $0 Open

Register →

Hot Cider Hustle - Lansing Half Marathon, 10K & 5K

Sat, Oct 10 · Lansing, MI Lansing

5K - UntimedVirtual 5K5K Run/Walk +9

From $12.99 Open

Register →

Blue Ribbon Run

Sun, Oct 11 · Woodhaven, MI Woodhaven

Competitive 5K run/walk5K Bike rideBike Ride and competitive 5K Run/Walk Combo +2

From $40 Open

Register →

Haunted 5K, 10K, & 13.1M at Corunna, MI (42)

Sat, Oct 17 · Corunna, MI Corunna

5K10K13.1M

From $30 Open

Register →

Fort Custer Norwegian Foot March 2026

Sat, Oct 24 · Augusta, MI Augusta

Norwegian Foot March

From $60 Open

Register →

Mackinac Island Great Turtle Half Marathon & 5.7 Mile

Sat, Oct 24 · Mackinac Island, MI Mackinac Island

5.7 Mile Virtual Race5.7 Mile Run5.7 Mile Walk +2

From $55 Open

Register →

Michigan Monster Dash

Sat, Oct 24 · Milford, MI Milford

1k Kids Virtual Run/Walk1k Kids Run/Walk5k Run/Walk +5

From $25 Open Closing Soon

Register →

Redeem Mi Run

Sat, Oct 31 · Montague, MI Montague

5KVirtual 5kHalf Marathon +1

From $30 Open

Register →

Hot Cider Hustle - Grand Rapids Half Marathon, 10K & 5K

Sat, Oct 31 · Walker, MI Walker

5K Untimed Run/Walk - Extended Online RegistrationVirtual - 5K5K +9

From $12.99 Open

Register →

HAUNTED HALLOWEEN 5K & 10K RUN / WALK: A fundraiser for the Spring Lake Schools Boys' volleyball program.

Sat, Oct 31 · Spring Lake, MI Spring Lake

5K Run AND walk10K Run and walk5K and 10K Run Combined

From $30 Open

Register →

Miles 4 Meals

Sat, Nov 7 · White Lake, MI White Lake

5K8 MileHalf Marathon

From $25 Open

Register →

Gobbler 5K, 10K, & 13.1M at Grand Ledge, MI (45)

Sat, Nov 7 · Grand Ledge, MI Grand Ledge

5K10KHalf Marathon

From $30 Open

Register →

Gobbler 5K, 10K, & 13.1M at Corunna, MI (47)

Sat, Nov 21 · Corunna, MI Corunna

5K10K13.1M

From $30 Open

Register →

Justify The Pie 5k and 15k Run/Walk

Thu, Nov 26 · Hudsonville, MI Hudsonville

Justify The Pie 5k Run/WalkJustify The Pie 15K Run

From $25 Open

Register →

Gobbler 5K, 10K, 13.1M at Lansing, MI (48)

Sat, Nov 28 · Lansing, MI Lansing

5K10KHalf Marathon

From $30 Open

Register →

Holiday 5K, 10K, & 13.1M at Grand Ledge, MI (49)

Sat, Dec 5 · Grand Ledge, MI Grand Ledge

5K10KHalf Marathon

From $30 Open

Register →

Holiday 5K, 10K, & 13.1M at Corunna, MI (51)

Sat, Dec 19 · Corunna, MI Corunna

5K10K13.1M

From $30 Open

Register →

Holiday 5K, 10K, 13.1M at Hawk Island Park, Lansing, MI (52)

Sat, Dec 26 · Lansing, MI Lansing

5K10KHalf Marathon

From $30 Open

Register →

Cote Dame Marie Ski Loppet

Sat, Jan 16 · Grayling, MI Grayling

5km Citizen Classic RaceJunior Race (Boys & Girls) - 5km5km Citizen Skate Race +4

From $15 Closed

Register →

Winter Trail Fest Half Marathon and 5 Mile - Eastside

Sat, Feb 13 · Brighton, MI Brighton

5 Mile - Virtual5 Mile Ruck5 Mile +6

From $43 Open

Register →

Winter Trail Fest (WTF) Half Marathon and 5 Mile - Westside

Sat, Feb 20 · Middleville, MI Middleville

5 Mile5 Mile Ruck5 Mile +15

From $43 Open

Register →

2027 Gaylord All Outdoors Tri 45 Winter Triathlon

Sat, Mar 6 · frederic, MI frederic

2027 Duathlon Bike/Run2026 Duathlon Bike/Run2026 Tri 45 Solo +3

From $50 Closed

Register →

Shi-Tri

Sun, May 23 · Owosso, MI Owosso

Individual2-3 person relay teamIndividual +1

From $60 Open

Register →

Dr. John Seaman Memorial 5k Run/Walk/Bike

Sat, May 29 · Vicksburg, MI Vicksburg

Dr. John Seaman Memorial 5K Run/Walk 2027Dr. John Seaman Memorial 5k Run/WalkDr. John Seaman Memorial 5k Bike Race +1

From $35 Closed

Register →