The Race Radar

Lock 2 Lock Marathon/Half Marathon/10k

Williamsport, Maryland
Lock 2 Lock Marathon/Half Marathon/10k official race logo - running event in Williamsport, Maryland
DATE:
TIME:
LOCATION:
Williamsport, Maryland
PRICE:
Free
DISTANCES:
3 Events: 26.2 Miles, 13.1 Miles, 6.2 Miles

About 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

All three races take place on the C&O Canal towpath. The start/finish area will be Lock 44 (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 

 

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.   

 

Lock 2 Lock Marathon/Half Marathon/10kWhat: 5th Annual Lock 2 Lock Marathon, Half Marathon and 10KWhen: Saturday, September 12, 2026Where: 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 (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    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.     
Williamsport, MD

Race Events & Distances

Choose from 3 race distances available for Lock 2 Lock Marathon/Half Marathon/10k in Williamsport, MD. Registration includes timing, finisher medals, and post-race refreshments.

Marathon

26.2 Miles
Distance
26.2 Miles
Start Time
Registration Fee
$0.00
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Williamsport, MD
WilliamsportMD
Lock 2 Lock Marathon/Half Marathon/10k Organizers

Frequently Asked Questions about Marathon

How long is the Marathon?
The Marathon covers 26.2 Miles.
What time does the Marathon start?
The Marathon starts at 7:30:00 AM.
How much does it cost to register for the Marathon?
Registration for the Marathon costs $0.00.
Where is the Marathon located?
The Marathon takes place in Williamsport, MD.

Half Marathon

13.1 Miles
Distance
13.1 Miles
Start Time
Registration Fee
$0.00
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Williamsport, MD
WilliamsportMD
Lock 2 Lock Marathon/Half Marathon/10k Organizers

Frequently Asked Questions about Half Marathon

How long is the Half Marathon?
The Half Marathon covers 13.1 Miles.
What time does the Half Marathon start?
The Half Marathon starts at 8:00:00 AM.
How much does it cost to register for the Half Marathon?
Registration for the Half Marathon costs $0.00.
Where is the Half Marathon located?
The Half Marathon takes place in Williamsport, MD.

10k

6.2 Miles
Distance
6.2 Miles
Start Time
Registration Fee
$0.00
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Williamsport, MD
WilliamsportMD
Lock 2 Lock Marathon/Half Marathon/10k Organizers

Frequently Asked Questions about 10k

How long is the 10k?
The 10k covers 6.2 Miles.
What time does the 10k start?
The 10k starts at 8:15:00 AM.
How much does it cost to register for the 10k?
Registration for the 10k costs $0.00.
Where is the 10k located?
The 10k takes place in Williamsport, MD.

Registration Information

Registration is typically available online until race day (subject to capacity). Early registration is recommended for guaranteed entry and potential early bird pricing. Check with race organizers for specific event details and included amenities.

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