• We operate subject to the regulations of the jurisdictions of our race, for instance C&O Canal Towpath
  • Some jurisdictions required masks in areas when physical distancing cannot be maintained, such as narrow or busy trails, overlooks, and parking lots, but not during active recreation in open areas
  • National Park Service posts updates on its and on the park's social media channels, such as National Park Service Public Health Update page

  • We resumed full in-person races in August 2021

  • 18½th annual
    ACE Physical Therapy & Sports Medicine Institute
    Potomac River Run Marathon & Half



    18½th annual ACE Physical Therapy & Sports Medicine Institute
    Saturday, October 2, 2021 - Start times 8:00 AM FULL Marathon and 9:00 AM HALF Marathon

    In memory of Dean Shulman
    (September 25, 1961 - May 8, 2012)

    Washington Post obituary
    In memory of Dean, from The Book of Jewish Common Prayer


    Wendy Martinez (1983-2018)
  • On August 22, 2019, Safety And Health Foundation donated $2000.00 to Wendy Martinez Legacy Project
  • On Facebook’s Giving Tuesday, December 3, 2019, we donated $4,000.00 to Buy A Brick Foundation, matched by another donor, and Facebook matched our $8000 for a total of $16,000, a fortune in Zimbabwe
    We invite you to donate to those charities
  • Enter on-line for the races   •   Pre-race dinner   •   Red Top taxi rides

  • Express Registration (No password required)

  • Enter by mail
  • • Enter on-line •
  • • Express registration •
  • Including dinner tickets or Red Top taxi rides
  • Enter by mail (PDF) • | DOC
  • Complete 2019 results | Awards
  • Complete 2018 results | Awards
  • Check the status of your entry
  • On the historic C&O Canal Towpath  
    Start & finish at Fletcher's Cove, 4940 Canal Road NW, Washington DC

    The Easiest Marathon in America -- Flat course, no road crossings, no turns

  • Open to
    • Runners of all levels of ability who can cover the marathon course in less than 6 hours
    • No time limit in the half marathon
    • Limited to the first 350 entrants
    • Join our Facebook page -- share rides, thoughts, and photos!
  • Questions? Write the race director

  • Registration Medal
    • We accept the first 350 entrants
    • Entry fees:
    • $50 on or after December 1, 2021
    • $60 on or after January 1, 2021
    • $70 on or after March 1, 2021
    • $80 on or after May 1, 2021
    • $90 on or after July 1, 2021
    • $100 on or after September 1, 2021, if space remains
    • Members of 50 States Club and other supporting organizations and get $10 off
    • No race-day registration, please
    • Entrants receive t-shirt, goodie bag, race refreshments, finisher medal, and post-race picnic
    • We send Boston Athletic Association our certified marathon times
  • Benefits
    • Safety And Health Foundation and its charity partners
    • TeamAfrica.com, Buy A Brick Foundation
    • DC Capital Striders
    • Marathon Charity Co-operation
    • Ethio-American Athletic Association
    • Wendy Martinez Legacy Project
    • When you register, you may include a separate check in donation to American Red Cross International Response Fund in Haiti 
    • On November 14, 2015, we donated a total of $200 to American Red Cross International Response Fund in Haiti
    • We gratefully acknowledge donations from Silvia Baage, Ryan Mark Elliott, Sean M. Hendron, Angelica R. Hendron, Robert Elghie Johnson, Deborah Jorgensen, Tammy Jeanne Massie, and Dennis James Weipert

    • On October 14, 2014, we donated a total of $100 to American Red Cross International Response Fund in Haiti
    • We gratefully acknowledge donations from Timothy Buckley, Pam Cogas, Jonathan Raymond Terrell, and Gena Feith

    • On November 17, 2013, we donated a total of $100 to American Red Cross International Response Fund in Haiti
    • We gratefully acknowledge donations from Heather Lengel, Silvia Baage, and Mary McDonald

    • On November 17, 2013, we donated $1000 to Philippine Red Cross (address: Bonifacio Drive, Port Area, PO Box 280, Manila PHILIPPINES 1018; phone: +011-63-527-0000, hotline 143; web page: www.redcross.org.ph to support relief efforts after Typhoon Yolanda (international name Haiyan) destroyed Visayas Islands, Bantayan Island, Daanbantayan, Panay, Busuanga Island, Samar Island, and Leyte, where at least 10,000 people are estimated to have died in the city of Tacloban

  • Course
    • Flat - scenic - beautiful views of the Potomac River - tree-lined - shaded - out'n'back
    • The course is 100% unpaved gravel except for about 50 meters across a wooden footbridge and about 50 meters of concrete at Lock 5 and under I-495 to prevent erosion
    • No roads, no crossings, no hills
  • 2022 Boston Marathon Qualifier
  • Course elevation profile: -------------------------------
  • Keepers
  • Awards
    • $250 to 1st, $150 to 2nd, $100 to 3rd overall M/F in the 8:00 AM full marathon -- ALL MARATHONERS must start at 8:00 AM
    • Gift certificates and other awards including SHF warm wooly winter hats and sweathshirts to 1st, 2nd, 3rd by 10-year age-groups M/F in all four races
    • This race is the third of Safety And Health Foundation's 2021 Grand Prix
    • $100 cash award to everyone who finishes all 3 of SHF's full or half marathons in 2021
  • Directions
    • Fletcher's Cove is two miles due west of Key Bridge and one mile east of Chain Bridge at 4940 Canal Road NW, Washington DC
    • From Georgetown, take M Street NW west past Key Bridge
    • At Foxhall Road, M Street NW becomes Canal Road NW
    • Stay left on Canal Road NW
    • The old stone wall continues from Key Bridge to Fletcher's Cove
    • After two miles, you see the stoplight for Reservoir Road NW at the gap in the old stone wall
    • CAREFULLY turn left into the driveway down to free parking for 85 cars in the upper parking lot
    • When the upper lot is full, bear right at the bottom of the driveway into the tunnel under C&O Canal Towpath
    • At the end of the tunnel, bear left to free parking for 200 card in the lower parking lot
    • If both parking lots are full, we post a marshal on Canal Road NW at Reservoir Road NW to instruct drivers to turn RIGHT up Reservoir Road NW to free parking on-street and at The River School

    • Please approach Fletcher's Cove from the east using M Street NW and Canal Road NW from Georgetown
    • Make a left at the stoplight at Reservoir Road to go down the ramp to Fletcher's Cove

    • Please DO NOT approach Fletcher's Cove from the west from Clara Barton Parkway and Chain Bridge onto Canal Road NW
    • From Canal Road eastbound, making the hairpin turn to go down the ramp to Fletcher's Cove is almost impossible

    • Parking
      • We have about 300 free parking spaces
      • Please carpool or use our Facebook page to share a ride.
    • Drop-off instructions
      • Parking is limited at Fletcher's Cove
      • If you can get someone to drop you off, or if you take a cab or Uber / Lyft, please ask the driver to drop you off at the top of the driveway
      • Don't go down the driveway and try to turn around, because we want to avoid traffic jams
  • Logistics

  • Packet Pick-ups
    • Packet Assembly:
    • Help us assemble bib numbers and goodie bags, and get your bib number, t-shirt, and goodie bag early on Thursday, September 29, 5:00 PM - 8:00 PM, ACE Physical Therapy and Sports Medicine Institute, 2804 Hartland Drive #401, Falls Church VA (702-205-1233)

    • Pre-race packet pickup:
    • Friday, October 1, 11:00 AM to 5:45 PM, Pacers Running Store, 3100 Clarendon Boulevard, Arlington VA, across street from Clarendon Metro, free parking at Trader Joe's if you buy something -- includes late registration

    • Race-day packet pickup: Saturday, October 2, 7:15 AM to 8:45 AM -- on-site at the picnic tables at Fletcher's Cove
    • You may pick up someone else's bib number and packet if you bring along a signed note or a printed e-mail message from your friend
    • If you want to change your start time or distance, you MUST inform the registrar when you pick up your bib number on Thursday, Friday, or Saturday
    • We will also have a change chart on the timing table at the start / finish line. No, you can't run a 1:50 marathon. We'll know it's a half marathon. ;-)
  • Pre-Race Dinner
    • Join us for pre-race dinner to continue a conversation that may change the world
    • Friday, October 1, 6:30 PM, at Bronx Pizza Restaurant, 3100 Clarendon Boulevard #5, Arlington VA (703-812-0833), next door to Pacers
    • Dinner tickets are $10 for all you can eat ($15 after October 1)
    • Please register for the dinner by September 30
  • Host Hotel
    • Start Date: September 29, 2021
    • End Date: Monday, October 4, 2021
    • Last Day to Book: September 8, 2021
    • Host hotel: Sonesta Select Arlington Rosslyn, 1533 Clarendon Boulevard, Arlington VA | Event "SHF Marathon 2" or "2109SHFMAR_001" | $149.00 per night
    • Reserve your room on-line
    • Call 703-528-2222 and ask for group "SHF Marathon 2" or "2109SHFMAR_001"
  • Race-day off-site parking options
    • You may park near Sonesta Select Arlington rosslyn, 1533 Clarendon Boulevard, Arlington VA 22209, and take our Red Top Cab taxi service to Fletcher's Cove.  Round trip taxi rides are $10, pre-paid only Please register for the taxi by Thursday, September 29 for Saturday, October 2
    • Each cab takes four passengers | First cab arrives 6:55 AM and departs as soon as it has four passengers | Cabs continue until last cab departs at 7:15 AM (don't miss it)
    • For ground transportation from the airport or anywhere else in Arlington, you may call Red Top Cab directly at 703-522-3333
    • Driving route map
    • You may park anywhere along Reservoir Road between Canal Road and Macarthur Boulevard, including River School, Bending Lane, W Street, and Hutchins Lane, then walk downhill to Fletcher's Cove | Be careful crossing Canal Road

  • Race-Day Announcer:

  • Race-Day Events