Upcoming Half Marathon Races Near Grass Lake, MI

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Summer Trail Fest Ultra 50K, Half Marathon & 5 ...

Laingsburg, MI

Saturday, June 13th, 2026

Ultra

Half

Trail

View details for race Summer Trail Fest Ultra 50K, Half Marathon & 5 Miler

Medal Madness 5K, 10K, & Half Marathon at Hawk ...

Lansing, MI

Saturday, June 27th, 2026

10K

Half

View details for race Medal Madness 5K, 10K, & Half Marathon at Hawk Island Park, Lansing, MI (26S40)

Team Running Lab Half / Full Marathon Training ...

Brighton, MI

Monday, June 29th, 2026

Half

Marathon

View details for race Team Running Lab Half / Full Marathon Training Group

20th Annual Hungry Duck Half Marathon, 10K & 5K...

Brighton, MI

Saturday, July 4th, 2026

Half

10K

View details for race 20th Annual Hungry Duck Half Marathon, 10K & 5K Run/Walk

Eagle 5K, 10K, & 13.1M at Grand Ledge, MI (27)

Grand Ledge, MI

Saturday, July 4th, 2026

10K

Half

View details for race Eagle 5K, 10K, & 13.1M at Grand Ledge, MI (27)

Heatwave Half Marathon - Lansing

Lansing, MI

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Lansing

Heatwave Half Marathon - Ann Arbor

Ann Arbor, MI

Sunday, July 12th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Ann Arbor

Heatwave Half Marathon - Ann Arbor

Chelsea, MI

Sunday, July 12th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Ann Arbor

Eagle 5K, 10K, & 13.1M at Hawk Island Park, Lan...

Lansing, MI

Saturday, July 25th, 2026

10K

Half

View details for race Eagle 5K, 10K, & 13.1M at Hawk Island Park, Lansing, MI (30S40)

Kensington Aloha Runs

Milford, MI

Sunday, July 26th, 2026

Ultra

Half

10K

View details for race Kensington Aloha Runs

Ninja 5K, 10K, & 13.1M at Grand Ledge, MI (31)

Grand Ledge, MI

Saturday, August 1st, 2026

10K

Half

View details for race Ninja 5K, 10K, & 13.1M at Grand Ledge, MI (31)

BRB - Back Roads Bound Half Marathon

White Lake, MI

Saturday, August 8th, 2026

Half

10K

View details for race BRB - Back Roads Bound Half Marathon

Medal Madness 5K, 10K, & 13.1M at Grand Ledge, ...

Grand Ledge, MI

Saturday, September 5th, 2026

10K

Half

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

Run Branch County 5k & Half Marathon

Coldwater, MI

Sunday, September 6th, 2026

Half

View details for race Run Branch County 5k & Half Marathon

Capital City River Run

Lansing, MI

Saturday, September 19th, 2026

Half

1 Mile

Trail

View details for race Capital City River Run

Medal Madness 5K, 10K, & Half Marathon at Hawk ...

Lansing, MI

Saturday, September 26th, 2026

10K

Half

View details for race Medal Madness 5K, 10K, & Half Marathon at Hawk Island Park, Lansing, MI (39S40)

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

Ann Arbor, MI

Saturday, September 26th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Ann Arbor

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

Milford, MI

Saturday, September 26th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Ann Arbor

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

Lansing, MI

Sunday, September 27th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Lansing

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

Grand Ledge, MI

Saturday, October 3rd, 2026

10K

Half

View details for race Haunted 5K, 10K, & 13.1M at Grand Ledge, MI (40)

Probility Ann Arbor Marathon: 5K • 10K • Half-M...

Ann Arbor, MI

Saturday, October 3rd, 2026

Marathon

Half

10K

View details for race Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon Walk

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

Lansing, MI

Saturday, October 10th, 2026

Half

10K

View details for race Hot Cider Hustle - Lansing Half Marathon, 10K & 5K

Spooky Sprint - Ann Arbor

Ypsilanti, MI

Saturday, October 24th, 2026

1 Mile

10K

View details for race Spooky Sprint - Ann Arbor

Spooky Sprint - Ann Arbor

Ann Arbor, MI

Saturday, October 24th, 2026

1 Mile

10K

View details for race Spooky Sprint - Ann Arbor

Haunted 5K, 10K, 13.1, & 26.2 at Hawk Island Pa...

Lansing, MI

Saturday, October 24th, 2026

10K

Half

View details for race Haunted 5K, 10K, 13.1, & 26.2 at Hawk Island Park, Lansing, MI (43S40)

Michigan Monster Dash

Milford, MI

Saturday, October 24th, 2026

Half

10K

View details for race Michigan Monster Dash

Spooky Sprint- Lansing

Lansing, MI

Sunday, October 25th, 2026

1 Mile

10K

View details for race Spooky Sprint- Lansing

Miles 4 Meals

White Lake, MI

Saturday, November 7th, 2026

Half

View details for race Miles 4 Meals

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

Grand Ledge, MI

Saturday, November 7th, 2026

10K

Half

View details for race Gobbler 5K, 10K, & 13.1M at Grand Ledge, MI (45)

TURKEY TRAIL TROT & THE LEFTOVERS RACE

Shelby Township, MI

Thursday, November 26th, 2026

Trail

View details for race TURKEY TRAIL TROT & THE LEFTOVERS RACE

Black Toenail Friday Half Marathon and 7.5 Mile...

Commerce Township, MI

Friday, November 27th, 2026

Half

Trail

View details for race Black Toenail Friday Half Marathon and 7.5 Miler - MI

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

Lansing, MI

Saturday, November 28th, 2026

10K

Half

View details for race Gobbler 5K, 10K, 13.1 at Lansing, MI (48)

Turkey Trails- Ann Arbor

Ann Arbor, MI

Saturday, November 28th, 2026

1 Mile

10K

View details for race Turkey Trails- Ann Arbor

Turkey Trails- Lansing

Lansing, MI

Sunday, November 29th, 2026

1 Mile

10K

View details for race Turkey Trails- Lansing

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

Grand Ledge, MI

Saturday, December 5th, 2026

10K

Half

View details for race Holiday 5K, 10K, & 13.1M at Grand Ledge, MI (49)

Holiday 5K, 10K, 13.1 at Hawk Island Park, Lans...

Lansing, MI

Saturday, December 26th, 2026

10K

Half

View details for race Holiday 5K, 10K, 13.1 at Hawk Island Park, Lansing, MI (52S40)

Winter Trail Fest Half Marathon and 5 Mile - Ea...

Brighton, MI

Saturday, February 13th, 2027

Half

Trail

Fast

View details for race Winter Trail Fest Half Marathon and 5 Mile - Eastside

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