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Ultras · US · VA

Devil Dog Ultras

100-Mile · 103.66 miles
Registration open
Registration is open. The 100K and 50K are sold out and have a waitlist.
Race dateDecember 5-6, 2026
Duration2 days
Start6:00am
Whenin 42 days

Who's going to Devil Dog Ultras?

I'm running itPlan your weeks and your aid station times I'm crewingWhen to leave, where to park, at every stop I'm pacing or cheeringAsk your runner for their Out Here link

Free. You can start with nothing.

Official website Entry Aid stations Notify me if this race changes
Free, and always will be. NavRun makes money from race-day planning for runners who want it, never from this. Ultras change constantly, sometimes the morning of. Always confirm with the race director and the official website before you rely on anything here.
Distance
103.66 miles
Climb
7,463 ft
Descent
7,541 ft
High point
not checked yet
Time limit The race
32:00:00
Aid stations
32
Started
not checked yet
Finished
not checked yet
Finish rate
not checked yet
The course

Where it goes multi-loop · 32 aid stations

Course line from the race's own GPX. Source file. Year of this file not known.

Five loops from Camp Remi: one of 23 miles, then four of 19.5 miles. Runners have 32 hours.

The race

What this one is

Devil Dog Ultras is a 100-mile, 100K and 50K loop event in Prince William Forest Park in northern Virginia, run on the first weekend of December. The loops are mostly singletrack with occasional roots and rocks, some fire road and rolling hills, and no substantial climbs. It starts and finishes at Camp Remi, with fully stocked aid at Camp Gunny and Camp Toofy and water-only stops between.

Getting in

Getting in Entry, lottery and what the race asks of you before race day.

Lottery
not checked yet
Lottery opens
not checked yet
Lottery draw
not checked yet
Field cap
300 ultrasignup.com
Registration
UltraSignup ultrasignup.com
Qualifying
To register for the 100-miler, you must have completed a 50-mile race within the past two years. ultrasignup.com
Minimum age
not checked yet
Transfers
Yes devildogultras.com
Deferrals
No devildogultras.com
Crew access, pacers and drop bags

The rules that shape your day Anything marked "not checked yet" is a gap in what we hold, never a no from the race.

Crew allowed
Yes devildogultras.com
Vehicles per runner
1 devildogultras.com
Pacers
Yes devildogultras.com
Muling
Not allowed devildogultras.com
Drop bags
Yes devildogultras.com
Cupless
not checked yet
Course marking
Fully Marked ultrasignup.com
Night running
not checked yet
Dogs
not checked yet
Headphones
not checked yet
Crew rules
Crew can help at Camp Toofy and, after the race has started, at the Camp Remi start/finish area. No crew at Camp Gunny or the water-only stops. One crew car per runner at Camp Remi. Crew arriving separately pay the $20 Prince William Forest Park entrance fee per car unless they hold a national park pass. devildogultras.com
Pacer rules
Runners for the 100-miler may have a pacer for loops 3, 4, and 5. Pacers are not allowed to mule, which means carrying your stuff, or provide any assistance other than keeping you entertained and safely on trail. Pacers can pick up their runners at Camp Remi and Camp Toofy. devildogultras.com
Drop bag rules
Drop bags go to Camp Toofy and Camp Gunny and are left at Camp Remi. Put your full name, bib number and the aid station name on the outside. Bags at Camp Gunny cannot be collected by runners; Camp Toofy bags can be collected any time. devildogultras.com
Cutoff philosophy
not checked yet
Aid stations

Every stop, and what you get there ● yes   ○ no   ? nobody has checked   – does not apply to this race

Mile Station Cutoff Crew access Bag Pacer Med To next
0.00 Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? 3.50
3.50 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 3.00
6.50 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 2.00
8.50 Camp Gunny
NoneSignal wrong?
 ? ○ ● ? ? 4.25
12.75 RP Bravo
NoneSignal wrong?
 ? ○ ? ? ? 3.75
16.50 Camp Toofy
None · cell service · Signal wrong?
 ? ● ● ● ? 3.25
19.75 RP Charlie
NoneSignal wrong?
 ? ○ ? ? ? 3.00
22.75 Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? 3.25
26.00 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 2.00
28.00 Camp Gunny
NoneSignal wrong?
 ? ○ ● ? ? 4.25
32.25 RP Bravo
NoneSignal wrong?
 ? ○ ? ? ? 3.75
36.00 Camp Toofy
None · cell service · Signal wrong?
 ? ● ● ● ? 3.25
39.25 RP Charlie
NoneSignal wrong?
 ? ○ ? ? ? 3.00
42.25 Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? 3.25
45.50 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 2.00
47.50 Camp Gunny
NoneSignal wrong?
 ? ○ ● ? ? 4.25
51.75 RP Bravo
NoneSignal wrong?
 ? ○ ? ? ? 3.75
55.50 Camp Toofy
None · cell service · Signal wrong?
 ? ● ● ● ? 3.25
58.75 RP Charlie
NoneSignal wrong?
 ? ○ ? ? ? ?
? Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? ?
65.00 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 2.00
67.00 Camp Gunny
NoneSignal wrong?
 ? ○ ● ? ? 4.25
71.25 RP Bravo
NoneSignal wrong?
 ? ○ ? ? ? 3.75
75.00 Camp Toofy
None · cell service · Signal wrong?
 ? ● ● ● ? 3.25
78.25 RP Charlie
NoneSignal wrong?
 ? ○ ? ? ? 3.00
81.25 Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? 3.25
84.50 RP Alpha
NoneSignal wrong?
 ? ○ ? ? ? 2.00
86.50 Camp Gunny
NoneSignal wrong?
 ? ○ ● ? ? 4.25
90.75 RP Bravo
NoneSignal wrong?
 ? ○ ? ? ? 3.75
94.50 Camp Toofy
None · cell service · Signal wrong?
 ? ● ● ● ? 3.25
97.75 RP Charlie
NoneSignal wrong?
 ? ○ ? ? ? ?
? Camp Remi
None · spotty cell service · Signal wrong?
 ? ● ● ● ? ?
Same race, other lines

Other distances and other years

What it looks like out there

Somebody has been out there with a camera the tables say the climb is long. these say what long feels like.

4 people have been out there with a camera or a microphone.

Social account

devildogultras

Social account
Social account

Devil Dog Ultras

Social account
Official channel

Devil Dog Ultras

Official channel

2024 Devil Dog Ultras Highlight Video

Recap
All (4) Recap (1) Official channel (1) Social account (2)

These are other people's work and we link straight to them. Watching costs nothing and needs no account. More of them: every race we hold, on film.

Add to this page

What you know every one of these is read by a person before it changes anything

Ran this race? Tell the next runner what you know.

Nobody sees it until we have read it. No account, no sign-in.

Leave blank if it applies to the whole race.

Leave blank if it is not about one particular stop.

Optional. Something like “Cal Street, mile 62 to 78”.

Write it the way you would say it to someone at the start line.

Optional, and it decides nothing. It only tells the next runner where this is coming from.

Optional.

Optional, and never shown on the page. Only so we can ask you a question about this note.

Leave this field blank.

See something wrong or out of date? Suggest an edit.

This changes nothing on the page on its own. Somebody checks it against the race first.

Optional. Filled in for you when you start from a specific line on the page.

Copy it as it appears, so we can find it.

The corrected value.

Required. Where it came from: the race email, the runner manual, what you saw on the day.

Optional.

Optional. A screenshot or a photo of the sign works.

Optional, and it decides nothing.

Optional.

Optional, only so we can come back to you about this correction.

Leave blank if it is about the whole race.

Leave blank if it is not about one particular stop.

Leave this field blank.

Were you out there? Say which stops a text got out from.

Nobody sees it until we have read it. No account, no sign-in.

Optional, and it decides nothing.

Which stops did a text get out from?

Leave a stop blank if you did not try, or do not remember.

100-Mile

  • Camp Remi mile 0.0
  • RP Alpha mile 3.5
  • RP Alpha mile 6.5
  • Camp Gunny mile 8.5
  • RP Bravo mile 12.8
  • Camp Toofy mile 16.5
  • RP Charlie mile 19.8
  • Camp Remi mile 22.8
  • RP Alpha mile 26.0
  • Camp Gunny mile 28.0
  • RP Bravo mile 32.3
  • Camp Toofy mile 36.0
  • RP Charlie mile 39.3
  • Camp Remi mile 42.3
  • RP Alpha mile 45.5
  • Camp Gunny mile 47.5
  • RP Bravo mile 51.8
  • Camp Toofy mile 55.5
  • RP Charlie mile 58.8
  • Camp Remi
  • RP Alpha mile 65.0
  • Camp Gunny mile 67.0
  • RP Bravo mile 71.3
  • Camp Toofy mile 75.0
  • RP Charlie mile 78.3
  • Camp Remi mile 81.3
  • RP Alpha mile 84.5
  • Camp Gunny mile 86.5
  • RP Bravo mile 90.8
  • Camp Toofy mile 94.5
  • RP Charlie mile 97.8
  • Camp Remi

100K

  • Camp Remi mile 0.0
  • RP Alpha mile 3.5
  • RP Alpha mile 6.5
  • Camp Gunny mile 8.5
  • RP Bravo mile 12.8
  • Camp Toofy mile 16.5
  • RP Charlie mile 19.8
  • Camp Remi mile 22.8
  • RP Alpha mile 26.0
  • Camp Gunny mile 28.0
  • RP Bravo mile 32.3
  • Camp Toofy mile 36.0
  • RP Charlie mile 39.3
  • Camp Remi mile 42.3
  • RP Alpha mile 45.5
  • Camp Gunny mile 47.5
  • RP Bravo mile 51.8
  • Camp Toofy mile 55.5
  • RP Charlie mile 58.8
  • Camp Remi
Optional. Never shown.
Seen a course preview or a film of this one? Send it over.

Somebody watches it before it goes anywhere near this page. What we are after is footage of this course, on the ground. If it would be just as true of any other race, it is not this.

Required. A line is plenty. Where the climbs are, what the footing does, what the last twenty miles look like.

Optional, and it decides nothing.

Optional.

Optional, and never shown on the page. Only so we can ask you a question about this one.

A YouTube link, a race report, a photo gallery, whatever it is.

Optional, and we credit them on the page.

Leave this field blank.

Have the GPX? Send us the link.

We want the address of the file the race publishes, not the file. We download it from there so the page can say where the line came from.

The page or file on the race's own site.

Optional, and only so we can ask you a question about it.

Are you the race director? Get in touch and we'll make it right.

We read every one of these and we write back. Every fact here carries the source it came from, and the way a wrong one gets fixed is a person checking it against what you tell us.

Required, because this is a conversation and we write back.

Tell us what is wrong, out of date, or missing on this page. We read every one of these and we will get back to you.

Optional.

So we know who we are writing back to.

Optional. Director, assistant, comms, whoever you are.

Leave this field blank.

Where this came from. Every fact on this page records its source and when we last checked it: 203 sources for this race. Hover a source link to read the sentence it came from.
39% of what we track for a course is filled in. The rest says "not checked yet" rather than guessing.
See something wrong or out of date? Suggest an edit
Ran this race? Tell the next runner what you know
Were you out there? Say which stops a text got out from
Got footage of this course? Send us the link
Are you the race director? Get in touch and we'll make it right.
Anything else: [email protected]

Ultras change. We will tell you when this one does.

Cutoffs move, races get postponed, lotteries open and close. We read the race's own sources and record where every fact came from. Put your email in and we will send you what changed, and where we read it.

No account, and nothing to cancel.

What happens to your email. Nothing else. I do not sell it, and I will not send you anything except this race changing. One click gets you out.

I keep this catalog because the information is scattered and hard to trust. Telling you when it moves is the same job.

Ultras change. We will tell you when this one does.

Cutoffs move, races get postponed, lotteries open and close. We read the race's own sources and record where every fact came from. Put your email in and we will send you what changed, and where we read it.

No account, and nothing to cancel.

What happens to your email. Nothing else. I do not sell it, and I will not send you anything except this race changing. One click gets you out.

I keep this catalog because the information is scattered and hard to trust. Telling you when it moves is the same job.