Lock 2 Lock Marathon
Race snapshot
Race Day
59–81°F · Feels mild
Total elevation gain
Relatively flat course · Net elevation change +0 ft
Participants
Intimate field
Crowd Rating
Quiet course sections
The Lowdown
The Lock 2 Lock Marathon runs on Saturday, September 11, 2027, entirely on the C&O Canal towpath in Williamsport, Maryland. Runners start near Lock 44, run an out-and-back to Lock 43 (6.56 miles each way) and repeat the loop twice. The course elevation is no more than 40 feet, and the organizer lists the course as certified and a Boston qualifier. The marathon starts at 7:30 am with a 3:00 pm cutoff and is capped at 175 runners. A half marathon and a 10K run the same morning.
Questions about the Lock 2 Lock Marathon 2027
When is the Lock 2 Lock Marathon 2027?
Saturday, September 11, 2027.
Where is the Lock 2 Lock Marathon?
Williamsport, Maryland, United States.
What time does the Lock 2 Lock Marathon start?
The race starts at 7:30 AM, local time.
What is the Lock 2 Lock Marathon time limit?
7 hours 30 minutes (3:00 pm cutoff).
How do I enter the Lock 2 Lock Marathon 2027?
Registration has not opened yet. Jan 1, 2027: Registration opens. Ways in: Registration is online through RunSignup.
How much does the Lock 2 Lock Marathon 2027 cost?
Marathon: $80.
What is the Lock 2 Lock Marathon elevation gain?
40 ft (12 m) of total elevation gain. Net elevation change: +0 ft (0 m). Relatively flat course.
What is the weather like at the Lock 2 Lock Marathon?
Race-day temperatures are usually 15–27 °C (59–81 °F). Feels mild.
How many runners does the Lock 2 Lock Marathon have?
175 participants. Intimate field.
Where are the Lock 2 Lock Marathon results?
The official 2026 results are on the organizer's site. Official results
Is the Lock 2 Lock Marathon a Boston qualifier?
Yes. This race is a certified Boston Marathon qualifying event.
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