Ask a Clifton runner which race they've done this year and you'll often get both names in the same sentence, as if they measure the same thing. They don't. One is a paved 5K through the middle of town. The other is a technical trail race on the far side of Bull Run, and the two have almost nothing in common except that they both start with a starting gun in Clifton, Virginia.
The distinction matters more than it sounds like it should, because the corridor connecting them, the Bull Run Occoquan Trail, isn't uniform either. NOVA Parks lists it as the agency's longest natural surface trail at 19.7 miles, connecting Bull Run, Hemlock Overlook, Bull Run Marina and Fountainhead Regional Parks. But the easy, photogenic loop most people picture and the stretch that actually hosts a race are not the same section of trail, and the numbers prove it.
One Trailhead, Three Colors
Start at the trailhead at the end of Yates Ford Road in Clifton, across from Paradise Springs Winery, and you're standing at the entrance to a small color-coded system, not a single path. A red-blazed spur, known locally as the Union Mill Trail, cuts through the older hemlock and beech forest and doubles as a horse trail. A yellow-blazed connector drops more directly to the river. The blue blazes mark the actual Bull Run Occoquan Trail as it follows the water south.
The character of these three options isn't close to interchangeable:
- The red-blazed Union Mill Trail climbs and descends through mixed hardwood forest before meeting the river, roughly a mile of moderate grade.
- The yellow-blazed connector is the shortcut version, a straighter shot down to the water for anyone short on time.
- The blue-blazed Bull Run Occoquan Trail hugs the river itself and turns muddy fast after rain, since multiple hikers note the path gets soft and slick in wet weather.
Loop the short version from this same trailhead, the one most families and casual walkers actually do, and you're looking at a route AllTrails clocks at 2.9 miles with 259 feet of elevation gain. Stay on the blue blazes past that loop and the terrain changes shape entirely: AllTrails measures the longer out-and-back at 8.5 miles with 820 feet of climb, nearly three times the gain per mile. Same blue blazes. Same trail name on the sign. A different workout once you cross that invisible line.
Head south along the water from that same river junction and the blue-blazed trail reaches Bull Run Marina after another four and a half miles, a separate access point most casual hikers never bother finding. It happens to be the trailhead for the corridor's toughest race.
The Race That Never Leaves the Country Road
The Clifton Caboose Run doesn't touch any of this. It's a road race, run on pavement inside the town itself, and that's easy to miss if you only know it by reputation. The 5K and 1-Mile Fun Run start just a few feet from the Triangle, the intersection of Clifton, Newman and Main Streets, on a course that winds down a gently rolling country road, across a creek and past a horse or two, before looping back to the start.
It's also older than most people assume. A 2006 recap of the event called it the ninth annual race, which puts its first running around 1997 or 1998, making it a Clifton institution with roots stretching back to the late 1990s. The tradition of rewarding everyone, not just the fast, has stuck too: it's not every race where even the last-place finisher gets a prize, but that's just what happens in Clifton's annual 5K, which is called the Clifton Caboose Twilight Run. Recent editions have kept the small-town logistics intact, with a post-race party at the Red Barn and packet pickup at 7139 Main Street.
If your image of "running in Clifton" is this race, you've never actually left pavement.
The Race That Does
The Ridge Reaper is the opposite kind of morning. It runs the harder half of the corridor, and the organizers don't undersell it. The course description invites runners to enjoy a scenic and challenging route along the Bull Run Occoquan Trail at Bull Run Marina, and this year's race is set for Saturday, August 15, 2026, starting at 7:45 a.m. at Bull Run Marina on Old Yates Ford Road.
The pricing structure alone tells you locals treat this differently than a casual town 5K. As of this week, 5K registration runs $38.96 through August 14 before jumping to $44.30 on race day, while the 10K climbs from $54.98 to $60.31. That's a real-time bump built for a race people plan around, not one they stumble into on a whim.
Here's how the two compare side by side:
| Clifton Caboose Run | Ridge Reaper 5K/10K | |
|---|---|---|
| Surface | Paved country road | Natural surface trail |
| Start location | The Triangle, Main Street | Bull Run Marina, Old Yates Ford Road |
| Distance up front | 5K and 1-mile fun run | 5K and 10K |
| Historic terrain note | Rolling road, one creek crossing | River corridor, elevation gain up to 820 ft on longer stretches |
| Community touch | Post-race party at the Red Barn | Trail race pricing tiers, gear-forward field |
Two races, two different sports, both claimed under the same town name.
What Comes After the Leaves Turn
The corridor's calendar doesn't stop in August. The Fall Backyard Burn Trail Running Series returns to Hemlock Overlook on November 15, 2026, putting a second organized trail race on the same forest floor a few months after the Ridge Reaper. Locals who ran the Ridge Reaper in the August heat often treat the fall date as the more forgiving version of the same terrain, since the summer humidity that makes the river stretch punishing gives way to firmer footing and cooler mornings by mid-November.
That seasonal swing is worth knowing if you're deciding when to try the harder half of the trail for the first time. August tests you against heat and a longer course. Fall tests the same climbs without either working against you.
The Payoff at the End of the Trail
None of this happens in isolation from the rest of Main Street. The easier trailhead, the one near Hemlock Overlook, sits directly across from Paradise Springs Winery, and more than one local hiking guide singles out the same finishing move: a stop at Peterson's Ice Cream Depot on Main Street once the trail spits you back out near town. It's not a marketing pairing. It's just what the corridor has organically produced, an easy loop with a winery at the trailhead, a harder out-and-back that ends four and a half miles south at Bull Run Marina, and an ice cream stop that works for either one.
That's the part that generic trail write-ups miss. They'll tell you Clifton has access to a nice trail. What they won't tell you is that the trail changes its mind about how hard it wants to be depending on which trailhead you use, and that the town's two signature races were built to test exactly those two different personalities, one on pavement and one on dirt.
If you're weighing what daily life actually looks like in a town like this, that kind of granular, lived-in detail is the difference between reading about a place and understanding it. The Amanda Jones Team works with people making exactly that kind of decision every day, matching Northern Virginia neighborhoods to the way people actually want to spend their Saturdays. If Clifton's trail calendar has you curious about what else the town has to offer, reach out and start the conversation.