Eno River Run
Oct 25Durham, NC11 mi, 6 mi
1 mi from Tough as Trails Race Series, the same weekend as Tough as Trails Race Series, registration open
Listed from RunSignUp. Checked Oct 22, 2026.
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planBull City Running Co. proudly presents Tough as Trails Off-Road Race Series that features some of the most challenging, beautiful single track trail runs in North Carolina.
The series is comprised of 3 races in 2026-2027:
Eno River Run (10/25/26): 6 or 11 miles
Uwharrie Mountain Run (2/6/27): 8, 20, or 40 miles
Mountains-to-Sea Trail Challenge (4/11/27):13 miles or 50km
All races have distance options, so cost of the series depends on distance selected for each race.
Series Rules:
Please ensure you read and understand all series rules before registration.
1. Participants must register for all 3 races during Tough as Trails series registration.
2. Participants must complete all races within series to be eligible for awards.
3. Series scoring and awards are based on total mileage completed, calculated by the ranges provided below. Final distance is calculated after last race in series.
4. No refunds will be issued for an adjustment to a reduced distance. Additional race fees may apply for an adjustment to increased distance.
5. A change in distance request must be made 1 month before race date to the series director at toughastrails@gmail.com. The Race Director has the discretion to approve or deny a distance transfer request based on individual race caps.
6. No refunds or participant transfers are permitted after registering for the series.
Awards:
All series finishers will receive a custom finishers award, in addition to receiving all benefits (i.e race t-shirts) and finisher prizes (if applicable) from each individual race in the series.
Have fun! Happy trails!
Registration opens
Jul 15, 2026
Registration closes
Oct 24, 2026
Race day
Oct 25, 2026
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Oct 25Durham, NC11 mi, 6 mi
1 mi from Tough as Trails Race Series, the same weekend as Tough as Trails Race Series, registration open
Oct 31Durham, NC8 mi, 10K +2
6 mi from Tough as Trails Race Series, 1 week after Tough as Trails Race Series, registration open
Oct 24Greensboro, NC40 mi, Marathon +2
50 mi from Tough as Trails Race Series, the same weekend as Tough as Trails Race Series, registration open
Nov 7Snow Camp, NCHalf Marathon, 10K
30 mi from Tough as Trails Race Series, 2 weeks after Tough as Trails Race Series, registration open
Straight-line distance
Oct 24Nebo, NC50K
Oct 24Denver, NC5K
Oct 24Greensboro, NC40 mi, Marathon +2
Oct 24Gastonia, NC5K, 1 mi
Oct 25Badin, NC5K
Oct 25Durham, NC11 mi, 6 mi
Oct 30Mint Hill, NC24 hr
Oct 31Salisbury, NC5K
Oct 31Durham, NC8 mi, 10K +2
Oct 31Waxhaw, NC50K, 25K +2
Oct 31Old Fort, NC25 hr
Nov 1Aberdeen, NC
Mar 6, 2027Chapel Hill, NC30 mi
Jan 2, 2027Wake Forest, NC20K
Nov 7Snow Camp, NCHalf Marathon, 10K
Nov 21Raleigh, NC24 hr, 12 hr +5
Dec 12Lillington, NC9 hr, 6 hr +1
Feb 27, 2027Reidsville, NC12 hr, 6 hr
Mar 13, 2027Littleton, NC5K
Nov 28Ellerbe, NC50K
Oct 24Crozet, VA10K, 5K
Oct 24Williamsburg, VA24 hr
Oct 24Roanoke, VA3.65 mi
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
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Claim this race to manage registration, volunteers, and race day.