Portland Sea Dogs Mother's Day 5K | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Portland Sea Dogs Mother's Day 5K

The team mascot Slugger and his mom lead the field, which runs behind the bleachers into center field and finishes in front of the third-base dugout at Hadlock Field.

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Fun Run Atlas · Maine

Novelty course · Portland, ME

Portland Sea Dogs Mother's Day 5K is a fun run on a one-of-a-kind course in Portland, Maine, with a verified date of May 9, 2027.

ConfirmedFamily friendly
When
Sun, May 9, 2027
Start 9:15 AM
Mother's Day
Where
Delta Dental Park at Hadlock Field
271 Park Ave
Portland, ME 04102 · Cumberland
Directions
Entry
Register
Organized by
Portland Sea Dogs & Maine Track Club
24th annual in 2026
Official siteRegisterDirectionsAdd to calendar

What to expect

  • stadium finish
  • mascot
  • baseball
  • game tickets
  • kids run

2026 Season completed

Sunday, May 10, 2026

  • Sun, May 10, 2026

2027 Confirmed

Sunday, May 9, 2027

  • Sun, May 9, 2027

Checked Sun, Oct 4, 2026 against the official source.

About the run

A Mother's Day 5K with about 1,100-1,500 runners, held by the Double-A Sea Dogs and the Maine Track Club for breast cancer patients and research.

The run

Distances
5K, Kids run
Occasion
Mother's Day
Season
Spring
Swag
Sea Dogs game ticket for all participants
Field
1,147 finishers in 2026
Benefits
American Cancer Society (Maine breast cancer patients and research)

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.