Garden Spot Village Half Marathon & 10k
New Holland, PA
Half Marathon, 10K
Key dates
Registration opens
Jul 31, 2026
Registration closes
May 20, 2027
Race day
May 22, 2027
Email me updates about MammothMarch Delaware Valley
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
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- Apr 10, 2027
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Listed from Race Roster. Checked Nov 1, 2026.