Lock 2 Lock Marathon/Half Marathon/10k
- Date Sat 12th September 2026
- Time 7:30AM EDT
- Location Williamsport, Maryland
- Price $48.70 - $85.80
- Races 3 races
- Distances Marathon, Half Marathon, 10km
Event summary
Get ready for an exhilarating day of running at the 5th Annual Lock 2 Lock Marathon, Half Marathon, and 10K, happening on Saturday, September 12, 2026, in the picturesque town of Williamsport, Washington. This exciting event takes place entirely along the scenic C&O Canal Towpath, providing a stunning backdrop for runners of all levels.
Participants can choose from three fantastic race distances: tackle the full marathon, a challenging 26.2 miles, or opt for the half marathon at 13.1 miles, or the 10K, a perfect 6.2-mile course. Both the marathon and half marathon feature an out-and-back route that begins and ends at Lock 44, allowing runners to enjoy the serene beauty of the towpath while challenging themselves on a BQ certified course. With a supportive atmosphere, well-stocked aid stations, and a stunning setting, the Lock 2 Lock event promises a memorable experience for all! Don’t miss your chance to be part of this wonderful celebration of fitness and community!
Participants can choose from three fantastic race distances: tackle the full marathon, a challenging 26.2 miles, or opt for the half marathon at 13.1 miles, or the 10K, a perfect 6.2-mile course. Both the marathon and half marathon feature an out-and-back route that begins and ends at Lock 44, allowing runners to enjoy the serene beauty of the towpath while challenging themselves on a BQ certified course. With a supportive atmosphere, well-stocked aid stations, and a stunning setting, the Lock 2 Lock event promises a memorable experience for all! Don’t miss your chance to be part of this wonderful celebration of fitness and community!
Organiser's Description
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
All three races take place on the C&O Canal towpath. The start/finish area will be Lock 44 [https://www.google.com/maps/dir//Canal+Lockhouse+44,+chesapeke+and+ohio+canal+trl,+Williamsport,+MD+21795/@39.5941913,-77.8279532,676m/data=!3m1!1e3!4m9!4m8!1m0!1m5!1m1!1s0x89c9f3faccdfc50d:0x814904121fb1e6d6!2m2!1d-77.8253783!2d39.5941872!3e0?entry=ttu] (DO NOT USE FOR PARKING).
THIS IS A BQ CERTIFIED COURSE! 2026 times can be used for 2027.
The course certification number is MD22006NP.
2027 BQ Standards [https://www.baa.org/races/boston-marathon/qualify/]
MARATHON RACE DETAILS
https://www.strava.com/routes/3038509126320956732 Course Map
The race will start at 7:30 a.m. on September 12, 2026. Cutoff time is 3:00 p.m. (allowing for a pace of 17 minutes and 11 seconds per mile. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to Lock 43 (exact point to be specified, marked and staffed by event volunteers), then turn around and travel back to Lock 44. Course elevation is no more than 40 feet for the entire distance. Runners will complete this out-and-back loop twice. 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 finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks. There will also be a tarp at the start/finish line where you can leave gu's, bottles, or other race day needs.
HALF MARATHON DETAILS
https://www.strava.com/routes/3038509126320956732 Course Map
The race will start at 8:00 a.m. on Sept. 12, 2026. Cutoff time is 1:00 p.m. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to about Lock 43, then turn around and run back to Lock 44. They will complete this out-and-back loop one time. 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 finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks.
10K DETAILS
https://www.strava.com/routes/3038508438366518588 Course Map
The race will start at 8:15 a.m. on Sept. 12, 2026. Cutoff time is 11:15 a.m. Runners will start near Lock 44, run 3.1 miles on the towpath towards Washington D.C., turn around and run 3.1 miles back to Lock 44. Course elevation is no more than 10 feet for the entire distance. Aid stations will be at miles 2, 4, and the finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks.
When: Saturday, September 12, 2026
Where: Entirely along the C&O Canal Towpath in Williamsport, Maryland
All three races take place on the C&O Canal towpath. The start/finish area will be Lock 44 [https://www.google.com/maps/dir//Canal+Lockhouse+44,+chesapeke+and+ohio+canal+trl,+Williamsport,+MD+21795/@39.5941913,-77.8279532,676m/data=!3m1!1e3!4m9!4m8!1m0!1m5!1m1!1s0x89c9f3faccdfc50d:0x814904121fb1e6d6!2m2!1d-77.8253783!2d39.5941872!3e0?entry=ttu] (DO NOT USE FOR PARKING).
THIS IS A BQ CERTIFIED COURSE! 2026 times can be used for 2027.
The course certification number is MD22006NP.
2027 BQ Standards [https://www.baa.org/races/boston-marathon/qualify/]
MARATHON RACE DETAILS
https://www.strava.com/routes/3038509126320956732 Course Map
The race will start at 7:30 a.m. on September 12, 2026. Cutoff time is 3:00 p.m. (allowing for a pace of 17 minutes and 11 seconds per mile. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to Lock 43 (exact point to be specified, marked and staffed by event volunteers), then turn around and travel back to Lock 44. Course elevation is no more than 40 feet for the entire distance. Runners will complete this out-and-back loop twice. 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 finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks. There will also be a tarp at the start/finish line where you can leave gu's, bottles, or other race day needs.
HALF MARATHON DETAILS
https://www.strava.com/routes/3038509126320956732 Course Map
The race will start at 8:00 a.m. on Sept. 12, 2026. Cutoff time is 1:00 p.m. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to about Lock 43, then turn around and run back to Lock 44. They will complete this out-and-back loop one time. 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 finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks.
10K DETAILS
https://www.strava.com/routes/3038508438366518588 Course Map
The race will start at 8:15 a.m. on Sept. 12, 2026. Cutoff time is 11:15 a.m. Runners will start near Lock 44, run 3.1 miles on the towpath towards Washington D.C., turn around and run 3.1 miles back to Lock 44. Course elevation is no more than 10 feet for the entire distance. Aid stations will be at miles 2, 4, and the finish line. AS will be stocked with water, Gatorade Endurance, pickle juice, potato chips, and other TBD snacks.
Races
-
Marathon
Incl. $5.80 Fee & T-Shirt
Sat 12th September 2026 (7:30AM EDT)
$85.80
OPENS 01 JAN 26The race will start at 7:30 a.m. on September 12, 2026. Cutoff time is 3:00 p.m. (allowing for a pace of 17 minutes and 11 seconds per mile. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to Lock 43 (exact point to be specified, marked and staffed by event volunteers), then turn around and travel back to Lock 44. Course elevation is no more than 40 feet for the entire distance. Runners will complete this out-and-back loop twice. 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 finish line. -
Half Marathon
Incl. $4.60 Fee & T-Shirt
Sat 12th September 2026 (8:00AM EDT)
$64.60
OPENS 01 JAN 26The race will start at 8:00 a.m. on Sept. 12, 2026. Cutoff time is 1:00 p.m. Runners will start near Lock 44 and travel in a generally southeasterly direction for 6.56 miles to about Lock 43, then turn around and run back to Lock 44. They will complete this out-and-back loop one time. 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
Incl. $3.70 Fee & T-Shirt
Sat 12th September 2026 (8:15AM EDT)
$48.70
OPENS 01 JAN 26The race will start at 8:15 a.m. on Sept. 12, 2026. Cutoff time is 11:15 a.m. Runners will start near Lock 44, run 3.1 miles on the towpath towards Washington D.C., turn around and run 3.1 miles back to Lock 44. Course elevation is no more than 10 feet for the entire distance.Aid stations will be at miles 2, 4, and the finish line.
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Chesapeake and Ohio Canal Towpath, Williamsport, 21795, MD, United States
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Lock 2 Lock Marathon/Half Marathon/10k
