| Mile | Delta | Dir. | Description |
| 0.0 | Begin - Reston Town Center at W&OD Trail (Corner of Reston Ave & Bluemont Way) | ||
| 2.3 | 2.30 | XU | Dulles Toll Rd. |
| 2.7 | 0.40 | X | Hunter Mill Rd. - CAUTION! |
| 6.9 | 4.20 | Vienna Train Station (water) | |
| 9.9 | 3.00 | XO | Capital Beltway |
| 10.4 | 0.50 | XO | I-66 @ Virginia Ave. Follow Ave. to trail |
| 11.2 | 0.80 | X | Shreve Rd. - CAUTION! |
| 11.8 | 0.60 | XO | Leesburg Pike |
| 13.2 | 1.40 | X | Rt. 29 |
| 19.2 | 6.00 | R | Shirlington Rd. (End W&OD) - Sidewalk |
| 19.3 | 0.10 | R | Arlington Mill Dr. - Sidewalk |
| 19.4 | 0.10 | L | Quincy St. - Sidewalk |
| 19.6 | 0.20 | L | 28th St. - Sidewalk |
| 19.7 | 0.10 | L | Pedestrian Bridge - Cross I-395 |
| 19.9 | 0.20 | L | Martha Custis Dr. becomes Valley Drive - Sidewalk |
| 21.4 | 1.50 | L | West Glebe Rd. - Sidewalk |
| 21.6 | 0.20 | X | West Glebe Rd.@ South Glebe Rd.to Anderson Trail (aka 4 Mile Run) follows stream. |
| 22.1 | 0.50 | XU | Rt.1 and Shopping Center |
| 22.3 | 0.20 | L | Up to Mount Vernon Trail |
| 22.4 | 0.10 | R | North on Mount Vernon Trail |
| 25.4 | 3.00 | Gravelly Point, north of National Airport runway (Parking) | |
| 25.4 | 0.00 | X | Parking lot - continue on trail |
| 27.3 | 1.90 | X | Parking @ Roosevelt Island |
| 27.5 | 0.20 | UP | Ramp to Key Bridge on right |
| 27.8 | 0.30 | X | Key Bridge - Sidewalk |
| 28.1 | 0.30 | R | Thru park to stairs/ramp to C& O Canal path |
| 28.2 | 0.10 | L | On towpath |
| 28.3 | 0.10 | R | On 33rd. St. |
| 28.4 | 0.10 | R | K St. under Whitehurst Frwy. |
| 28.7 | 0.30 | S | Capital Crescent Trailhead |
| 30.9 | 2.20 | Fletchers Boathouse (Parking, Restrooms, Food, Water) | |
| 31.8 | 0.90 | XO | C&O Canal at Arizona Ave. |
| 33.0 | 1.20 | XU | MacArthur Blvd.- Dalecarlia Tunnel |
| 34.7 | 1.70 | XO | River Road (Food) |
| 36.5 | 1.80 | R | Bethesda Ave (trail ends) |
| 36.6 | 0.10 | L | Woodmont Ave.(Use left sidewalk- Ave. becomes one way AGAINST YOU) |
| 37.2 | 0.60 | X | Old Georgetown Rd.-(move to right side on Woodmont - two way again) - Sidewalk |
| 37.8 | 0.60 | L | Rockville Pike - Path/Sidewalk on right side |
| 38.5 | 0.70 | X | Cedar Lane |
| 38.5 | 0.00 | R | On Bike Path |
| 39.1 | 0.60 | XU | Capital Beltway |
| 39.2 | 0.10 | L | Beach Drive (or use Rock Creek Trail) |
| 41.4 | 2.20 | X | Knowles Ave. - trail on right side |
| 41.8 | 0.40 | XU | Railroad tunnel |
| 42.0 | 0.20 | Park (Parking, Restrooms) | |
| 43.5 | 1.50 | X | Randolph Rd. |
| 43.9 | 0.40 | Park on right of trail (Water, Restrooms) | |
| 44.0 | 0.10 | L | SECOND bridge to Dewey Rd. |
| 44.1 | 0.10 | R | Gaynor Lane |
| 44.2 | 0.10 | L | Viers Mill Rd.- Shoulder on Right |
| 45.2 | 1.00 | R | Aspen Hill Rd. |
| 45.2 | 0.00 | L | Adrian St. |
| 45.3 | 0.10 | R | Baltic Ave. |
| 45.4 | 0.10 | L | Parking lot to Rock Creek Trail (Restrooms, Water) |
| 47.3 | 1.90 | XU | Rt. 28 |
| 47.3 | 0.00 | R | Up path (steep!) |
| 47.5 | 0.20 | R | Rt. 28 on shoulder |
| 48.6 | 1.10 | R | East Gude Drive - sidewalks/path on left side |
| 50.5 | 1.90 | R | Crabbs Branch Way - right sidewalk |
| 51.7 | 1.20 | X | Redland Rd. |
| 52.4 | 0.70 | L | Shady Grove Rd. - USE Sidewalk - Caution |
| 52.8 | 0.40 | R | Oakmont Ave. - Caution |
| 53.4 | 0.60 | R | Cross railroad tracks |
| 53.5 | 0.10 | L | Railroad Street |
| 53.8 | 0.30 | L | West on Diamond Ave.- Sidewalk |
| 54.7 | 0.90 | X | Summit Ave. (Parking, Food, Restrooms at train station) |
| 55.2 | 0.50 | L | Chestnut St. |
| 55.4 | 0.20 | X | West Diamond Ave.- Chestnut becomes Muddy Branch Rd.- Sidewalk |
| 57.8 | 2.40 | X | Great Seneca Hwy. |
| 58.4 | 0.60 | X | Rt. 28 - Use path on left then cross to right shoulder. |
| 58.7 | 0.30 | BL | Becomes Dufief Mill Rd.- Shoulder |
| 60.7 | 2.00 | BR | Travilah Rd. @ Elementary School - Shoulder |
| 61.3 | 0.60 | R | Split Creek Ct.- avoids Travilah traffic |
| 61.5 | 0.20 | L | Stone Barn La. |
| 62.1 | 0.60 | L | Squires Ct. |
| 62.3 | 0.20 | L | Glen Rd. |
| 62.6 | 0.30 | R | Travilah Rd. (Shopping Center - Convenience Store)- on road, use caution. |
| 64.0 | 1.40 | R | River Rd. - Shoulder |
| 64.1 | 0.10 | L | Pennyfield Lock Rd. |
| 64.9 | 0.80 | L | At C & O Canal on road to lock, cross canal |
| 65.2 | 0.30 | R | C & O Canal |
| 67.8 | 2.60 | Lock 23 @ Violettes Lock Road | |
| 68.5 | 0.70 | Lock 24 @ Seneca Creek Aquaduct | |
| 77.0 | 8.50 | Lock 25 @ Edwards Ferry Rd. | |
| 82.2 | 5.20 | L | Whites Ferry Rd. (Parking, Restrooms, Food) |
| 82.2 | 0.00 | X | Potomac River (Ferry $1.00) to White's Ferry Rd. |
| 83.9 | 1.70 | L | Rt. 15 - Shoulder - Caution |
| 86.4 | 2.50 | BR | Business Rt. 15 |
| 87.2 | 0.80 | L | W & OD Trail |
| 88.6 | 1.40 | XU | Rt. 15 |
| 91.6 | 3.00 | X | Goose Creek |
| 91.8 | 0.20 | Quarry Overlook | |
| 96.1 | 4.30 | Smith's Switch Station ( Restrooms, Vending, Water, Air) | |
| 97.9 | 1.80 | XO | Rt. 28 (Parking) |
| 101.2 | 3.30 | X | Crestview Dr. (Convenience Store on Left) |
| 101.7 | 0.50 | X | Ferndale Ave. (Herndon Community Center & Golf Course, Food,Restrooms, Water) |
| 104.0 | 2.30 | X | Reston Pkwy. |