
Schaeffer Half Marathon, 10K, 5K Trail Run
Germantown, MD
Half Marathon, 10K, 5K
Sprint for Spat is Baltimore's newest and quirkiest 5K-ish FUNdraiser benefiting Oyster Recovery Partnership (link to ORP's website)! Come dressed as a mermaid, pirate, sea captain, oyster—or whatever floats your boat—and run, jog, or walk your way through oyster-inspired antics, unexpected surprises, and a whole lot of shell-raising fun, all while helping restore the Chesapeake Bay. And when you cross the finish line? You'll land right in the heart of OyFest, where you can shuck around and find out just how many oysters you can eat after running 5K-ish (add-on ticket during checkout).
Gather your crew, lace up your running shoes, prep your best oyster puns, and get ready to Sprint for Spat.
Registration opens
Aug 11, 2026
Tier 1 ends
Sep 15, 2026, then $55
Tier 2 ends
Oct 15, 2026, then $65
Registration closes
Nov 7, 2026
Race day
Nov 7, 2026
Tier 3 ends
Nov 7, 2026
Registration openings and major changes, like a new date or a cancellation.
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Listed from RunSignUp. Checked Nov 1, 2026.