100 milesComing SoonC&O Canal 100250 spots
C&O Canal 100
Knoxville, Maryland
$280
Standard
24
Aid Stations
230
Days Away
About This Race
The C&O Canal 100-mile race is your chance to chase big goals along the stunning Potomac River! Perfect for first-time 100-milers and veterans alike, this fast and friendly course offers one ~40-mile loop followed by two ~30-mile loops on the historic C&O Canal towpath.
Key Dates
Registration Closes
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Registration Opens
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Race Day
Apr 24, 2027
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Pricing
Current Price
$280
Standard
Aid Stations
24| Station | Distance | Crew | Drop Bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Manidokan - Start Race start at Camp Manidokan. Crew accessible; drop bags permitted with no size restrictions. | 0.00 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. Has a place to drop off gloves or light garments at the start. Stocked with water, tailwind, ice, chips, candy, and cookies at all times; hot water, ramen, veggie broth, hot chocolate, and instant coffee at night. | 1.40 miles | -- | waterTailwind Nutritionicechips+7 | ||
Antietam Campground Full service aid station. Runners do an out-and-back to the North Turnaround from here on Loop 1. | 6.30 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
North Turnaround No aid, check-in only. Only visited on Loop 1. | 10.10 miles | -- | -- | ||
Antietam Campground (return) Return pass through Antietam Campground after the North Turnaround out-and-back on Loop 1. | 13.90 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. Second pass on Loop 1 heading downstream. | 18.80 miles | -- | waterTailwind Nutritionicechips+7 | ||
Keep Tryst Rd. Full service aid station. | 25.70 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Brunswick Full service aid station. Crew accessible (parking in MARC lot only). Drop bags permitted with WS100 dimensions (6"x8"x16" or smaller). Turnaround point on Loop 1. | 28.80 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Keep Tryst Rd. Full service aid station. Return pass heading upstream on Loop 1. | 31.90 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Manidokan End of Loop 1 / start of Loop 2. Crew accessible. Drop bags permitted with no size restrictions. | 38.40 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. First pass on Loop 2. | 39.80 miles | -- | waterTailwind Nutritionicechips+7 | ||
Antietam Campground Full service aid station. No out-and-back on Loops 2 & 3. | 44.70 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. Second pass on Loop 2 heading downstream. | 49.60 miles | -- | waterTailwind Nutritionicechips+7 | ||
Keep Tryst Full service aid station. | 56.50 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Brunswick Full service aid station. Crew accessible. Drop bags permitted. Pacers may be picked up here (second pass through Brunswick). | 59.60 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Keep Tryst Full service aid station. Return pass heading upstream on Loop 2. | 62.70 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Manidokan End of Loop 2 / start of Loop 3. Crew accessible. Drop bags permitted. Cutoff: 3:45 AM Sunday. | 69.20 miles | 3:45 AM | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. First pass on Loop 3. | 70.60 miles | -- | waterTailwind Nutritionicechips+7 | ||
Antietam Campground Full service aid station. Loop 3. | 75.50 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Dargan Bend Limited aid station. Second pass on Loop 3 heading downstream. Cutoff: 6:45 AM Sunday. | 80.40 miles | 6:45 AM | waterTailwind Nutritionicechips+7 | ||
Keep Tryst Rd. Full service aid station. Loop 3. | 87.30 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Brunswick Full service aid station. Crew accessible. Drop bags permitted. Cutoff: 9:45 AM Sunday. | 90.40 miles | 9:45 AM | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Keep Tryst Rd. Full service aid station. Return pass heading upstream on Loop 3. | 93.50 miles | -- | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 | ||
Manidokan - Finish Race finish at Camp Manidokan. Overall cutoff: 1:00 PM Sunday (30 hours). Post-race Chipotle meal included. | 100.00 miles | 1:00 PM | Tailwind NutritionHoney Stinger gelsHoney Stinger wafflesHoney Stinger chews+6 |
Race Planning
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