Mid-Maryland Trail Festival 50k and 50k Relay
Feb 6, 2027Elkridge, MD50K
50K, 11 weeks before race day, 53 mi away
At a glance
- Date
- Apr 24, 2027
- Location
- Knoxville, Maryland
- Distances
- 100 mi
- Aid stations
- 24, 7 with crew access
- Registration
- Closed Apr 17, 2026, via ultrasignup.com
Listed from UltraSignup. Checked Oct 18, 2026.
Plan this race for free
24 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout 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
Apr 17, 2026
Registration opens
Jan 1, 2027
Race day
Apr 24, 2027
Pricing
Current price
$280
Standard
Email me updates about C&O Canal 100
Registration openings and major changes, like a new date or a cancellation.
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 |
Entry transfers
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