Endurance Events in Portland, ME

The Portland, ME race calendar is stacked with 16+ events. Local favorites span running, trail running, duathlon, drawing athletes from across Maine and beyond. Browse the full schedule below, filter by sport, and lock in your next start line.

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Running (13)Trail Running (2)Duathlon (1)

Upcoming Events in Portland

Running

Maine Running Hall of Fame 5K In Memory of Julius Marzul

June 7, 2026

Portland, ME

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Running

Shipyard Old Port Half Marathon and 5K

Portland, ME

Running

Shipyard Old Port Half Marathon and 5K

June 7, 2026

Portland, ME

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Running

Luv 2 Run Portland 5K

June 14, 2026

Portland, ME

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Running

Raccoon Run 5K

June 21, 2026

Portland, ME

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Trail Running

After Work Dirt Trail Races fka Tiny Trails

June 25, 2026

Portland, ME

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Trail Running

Kennebec Savings Bank East Bayside Trail Fest

June 28, 2026

Portland, ME

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Duathlon

Portland Kids Duathlon

July 19, 2026

Portland, ME

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Running

Steady State Distance Festival

August 7, 2026

Portland, ME

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Running

Tunnel to Towers 5K Run & Walk - Portland, ME

August 29, 2026

Portland, ME

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Running

Run for the Dogs - Portland

August 30, 2026

Portland, ME

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Running

KAT-Walk & Karo-5K for Brain Aneurysm Awareness

September 20, 2026

Portland, ME

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Running

Almost Half Way to St. Patrick's Day 5K

September 20, 2026

Portland, ME

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Running

Maine Marathon, Half Marathon and Marathon Relay

September 26, 2026

Portland, ME

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Running

Kick Out Mesothelioma 5-Miler & 2.5 Mile Walk In Memory of John W. Griffin (1941-2003)

November 8, 2026

Portland, ME

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Running

Portland Thanksgiving Day 4 miler

November 26, 2026

Portland, ME

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Running

Dash for the Derby 5K

May 1, 2027

Portland, ME

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