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Endurance Events in Portland, ME

The Portland, ME race calendar is stacked with 13+ events. Local favorites span 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 (12)Duathlon (1)

Upcoming Events in Portland

Portland Kids Duathlon
Duathlon

Portland Kids Duathlon

July 19, 2026
Portland, ME
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Steady State Distance Festival
Running

Steady State Distance Festival

August 7, 2026
Portland, ME
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Tunnel to Towers 5K Run & Walk - Portland, ME
Running

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

August 29, 2026
Portland, ME
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Run for the Dogs - Portland
Running

Run for the Dogs - Portland

August 30, 2026
Portland, ME
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KAT-Walk & Karo-5K for Brain Aneurysm Awareness
Running

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

September 20, 2026
Portland, ME
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Almost Half Way to St. Patrick's Day 5K
Running

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

September 20, 2026
Portland, ME
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Maine Marathon, Half Marathon and Marathon Relay
Running

Maine Marathon, Half Marathon and Marathon Relay

October 4, 2026
Portland, ME
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Kick Out Mesothelioma 5-Miler & 2.5 Mile Walk In Memory of John W. Griffin (1941-2003)
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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Portland Thanksgiving Day 4 miler
Running

Portland Thanksgiving Day 4 miler

November 26, 2026
Portland, ME
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Dash for the Derby 5K
Running

Dash for the Derby 5K

May 1, 2027
Portland, ME
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Maine Running Hall of Fame 5K In Memory of Julius Marzul
Running

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

June 6, 2027
Portland, ME
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Luv 2 Run Portland 5K
Running

Luv 2 Run Portland 5K

June 13, 2027
Portland, ME
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Raccoon Run 5K
Running

Raccoon Run 5K

June 20, 2027
Portland, ME
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