Lock 2 Lock Marathon/Half Marathon/10k

What:

5th Annual Lock 2 Lock Marathon, Half Marathon and 10K

When:

Saturday, September 12, 2026

Where:

Entirely along the C&O Canal Towpath in Williamsport, Maryland

Race Overview:

• Race Events: All three races take place on the C&O Canal towpath.
• Start/Finish Location: Lock 44 (DO NOT USE FOR PARKING).
• Course Certification: This is a BQ certified course! 2026 times can be used for 2027.
• Certification Number: The course certification number is MD22006NP.

Marathon – Race Details:

• Start Time: The race will start at 7:30 a.m. on September 12, 2026.
• Cutoff Time: Cutoff time is 3:00 p.m. (allowing for a pace of 17 minutes and 11 seconds per mile).
• Course Path: Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to Lock 43, then turn around and return to Lock 44.
• Elevation: Course elevation is no more than 40 feet for the entire distance. Aid stations will be at miles 2, 4, 6.56, 9.12, 11.12, 13.12, 15.12, 17.12, 19.68, 22.24, 24.24 and the finish line.

Half Marathon – Race Details:

• Start Time: The race will start at 8:00 a.m. on September 12, 2026.
• Cutoff Time: Cutoff time is 1:00 p.m.
• Course Path: Runners will start near Lock 44 and travel 6.56 miles to about Lock 43, then return to Lock 44, completing this out-and-back loop one time.
• Elevation: Course elevation is no more than 20 feet for the entire distance. Aid stations will be at miles 2, 4, 6.56, 9.12, 11.12, and the finish line.

10K – Race Details:

• Start Time: The race will start at 8:15 a.m. on September 12, 2026.
• Cutoff Time: Cutoff time is 11:15 a.m.
• Course Path: Runners will start near Lock 44, run 3.1 miles on the towpath towards Washington D.C., then turn around and run back to Lock 44.
• Elevation: Course elevation is no more than 10 feet for the entire distance. Aid stations will be at miles 2, 4, and the finish line.

For More Information:

Visit the race website: Lock 2 Lock Marathon