Is crew access allowed on the 113 Mile course?

Yes, crew access is allowed on the 113 Mile course. Your crew must park at the crew accessible aid stations, not adjacent to them. They cannot park on top of the levee. Your crew is not allowed to give you aid after you leave the aid station. Your crew is not allowed to meet you at any point on the course except the crew accessible aid stations. Absolutely no vehicles are allowed on the levees. Crew are allowed only at Garleb Rd, Ivy Rd, Fort de Chartres, Prairie du Rocher and Kaskaskia.

Are drop bags allowed on the 113 Mile course?

Yes, drop bags are allowed on the 113 Mile course. Drop bags are allowed at Garleb Rd, Ivy Rd, Fort de Chartres, and Kaskaskia. Write name, bib number and aid station name on the bag; unmarked bags are not transported. Roughly 12x16 inches at most, no hard sided containers, and waterproof. Returned to the start line no later than 5:30 p.m. on Sunday.

Are pacers allowed on the 113 Mile course?

Yes, pacers are allowed on the 113 Mile course. A pacer may join starting at mile 56.8. A pacer can be picked up at Kaskaskia (mile 56.8), Fort de Chartres (mile 75.8), Ivy Rd (mile 83.1) and Garleb Rd (mile 100.9). One pacer at a time. The pacer signs a waiver at packet pick up or at the aid station they join, wears the PACER bib visibly, and wears a Hi-Vis running-style reflective vest at night. A pacer cannot carry your food, water or gear, and cannot pull you along with a short rope.

What is the cutoff time for the 113 Mile course?

The overall time limit for the 113 Mile course is 35 hours from the start. Cut-off times will be strictly enforced.

Ultras · US · IL

American Bottoms

113 Mile · 113.6 miles

Registration open

Race dateMarch 20, 2027

Start6:00am

Whenin 147 days

Who's going to American Bottoms?

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 The race

113.6 miles

Climb The race

1,591 ft

Descent

not checked yet

High point

not checked yet

Time limit The race

35:00:00

Aid stations

Started

not checked yet

Finished

not checked yet

Finish rate

not checked yet

The course

Where it goes out and back · 18 aid stations

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

Out and back from Sunset Overlook in Columbia, Illinois to the Kaskaskia aid station and back, on levees and back roads. 51% pavement, 49% gravel.

The course is 100% complete exposure with no protection from sun, heat, rain, lightning, freezing cold or strong wind. Cell coverage can be spotty on the southern part of the course. The gravel is a mix of easily runnable to slightly more challenging, mostly in the southern part.

The race

What this one is

A road ultra along the Mississippi River through the historic American Bottom, starting at Sunset Overlook in Columbia, Illinois, just outside St. Louis. The route runs on levees and back roads, loosely following the American Discovery Trail and the Kaskaskia-Cahokia Trail, past Piggott's Fort, Fort de Chartres and Prairie du Rocher. It offers a 113 mile and a 56 mile option.

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: 30 ultrasignup.com

Registration: UltraSignup ultrasignup.com

Qualifying: not checked yet

Minimum age: not checked yet

Transfers: not checked yet

Deferrals: No americanbottomsultra.com

Running, crewing, pacing or still deciding

How NavRun helps with American Bottoms Thirty five hours, and five stations with a clock on each.

You are running it

You reach Kaskaskia, mile 56.8, before its 11:30pm cutoff, and you already knew that this morning.

An arrival time for all 17 stations, worked out from your own training.

Start free →

You are pacing

You are at Kaskaskia, mile 56.8, warm and fed, and you know you have 57 miles ahead of you.

The same sheet says when they reach you.

You are deciding

You find out American Bottoms is months of work away, not years, and you enter.

Put in a race you have already run. NavRun shows you where this one sits from where you are.

No account needed →

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 americanbottomsultra.com

Vehicles per runner: not checked yet

Pacers: Yes, from mile 56.80 americanbottomsultra.com

Muling: Not allowed americanbottomsultra.com

Drop bags: Yes americanbottomsultra.com

Cupless: not checked yet

Course marking: Fully Marked americanbottomsultra.com

Night running: Yes americanbottomsultra.com

Dogs: not checked yet

Headphones: not checked yet

Crew rules: Your crew must park at the crew accessible aid stations, not adjacent to them. They cannot park on top of the levee. Your crew is not allowed to give you aid after you leave the aid station. Your crew is not allowed to meet you at any point on the course except the crew accessible aid stations. Absolutely no vehicles are allowed on the levees. Crew are allowed only at Garleb Rd, Ivy Rd, Fort de Chartres, Prairie du Rocher and Kaskaskia. americanbottomsultra.com

Pacer rules: A pacer can be picked up at Kaskaskia (mile 56.8), Fort de Chartres (mile 75.8), Ivy Rd (mile 83.1) and Garleb Rd (mile 100.9). One pacer at a time. The pacer signs a waiver at packet pick up or at the aid station they join, wears the PACER bib visibly, and wears a Hi-Vis running-style reflective vest at night. A pacer cannot carry your food, water or gear, and cannot pull you along with a short rope. americanbottomsultra.com

Drop bag rules: Drop bags are allowed at Garleb Rd, Ivy Rd, Fort de Chartres, and Kaskaskia. Write name, bib number and aid station name on the bag; unmarked bags are not transported. Roughly 12x16 inches at most, no hard sided containers, and waterproof. Returned to the start line no later than 5:30 p.m. on Sunday. americanbottomsultra.com

Cutoff philosophy: Cut-off times will be strictly enforced. americanbottomsultra.com

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
6.60	B Rd NoneSignal wrong?	?	○	○	○	?	6.10
12.70	Garleb Rd NoneSignal wrong?	?	●	●	○	?	5.10
17.80	Fountain NoneSignal wrong?	?	○	○	○	?	6.20
24.00	Mitchie Rd NoneSignal wrong?	?	○	○	○	?	6.50
30.50	Ivy Rd NoneSignal wrong?	3:30pm	●	●	○	?	7.30
37.80	Fort de Chartres NoneSignal wrong?	?	●	●	○	?	4.20
42.00	Prairie du Rocher NoneSignal wrong?	?	●	○	○	?	7.20
49.20	Ste. Genevieve NoneSignal wrong?	?	○	○	○	?	7.60
56.80	Kaskaskia NoneSignal wrong?	11:30pm	●	●	●	?	7.60
64.40	Ste. Genevieve NoneSignal wrong?	?	○	○	○	?	7.20
71.60	Prairie du Rocher NoneSignal wrong?	?	●	○	○	?	4.20
75.80	Fort de Chartres NoneSignal wrong?	5:25am	●	●	●	?	7.30
83.10	Ivy Rd NoneSignal wrong?	?	●	●	●	?	6.50
89.60	Mitchie Rd NoneSignal wrong?	9:40am	○	○	○	?	6.20
95.80	Fountain NoneSignal wrong?	?	○	○	○	?	5.10
100.90	Garleb Rd NoneSignal wrong?	1:10pm	●	●	●	?	6.10
107.00	B Rd NoneSignal wrong?	?	○	○	○	?	6.60
113.60	Finish NoneSignal wrong?	5:00pm	?	?	?	?	?

Same race, other lines

Other distances and other years

Other distances: 56 Mile (56.8 miles)

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.

Nobody has been out there with a camera or a microphone yet. A gap means nobody has found it, not that it is not out there. Seen a course preview or a film of this one? Send us the link.

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.

Which distance? Leave blank if it applies to the whole race.

Which stop? Leave blank if it is not about one particular stop.

Give it a short title: Optional. Something like “Cal Street, mile 62 to 78”.

What do you wish someone had told you? Write it the way you would say it to someone at the start line.

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

What year? Optional.

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

Website: 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.

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

What does the page say now? Copy it as it appears, so we can find it.

What should it say? The corrected value.

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

A link that shows it: Optional.

Or a photo of it: Optional. A screenshot or a photo of the sign works.

Were you there? Optional, and it decides nothing.

What year? Optional.

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

Which distance? Leave blank if it is about the whole race.

Which stop? Leave blank if it is not about one particular stop.

Website: Leave this field blank.

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.

What does it show that the page cannot? Required. A line is plenty. Where the climbs are, what the footing does, what the last twenty miles look like.

Were you there? Optional, and it decides nothing.

What year? Optional.

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

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

What kind of thing is it?

Who made it? Optional, and we credit them on the page.

Website: 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.

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.

Where this came from. Every fact on this page records its source and when we last checked it: 133 sources for this race. Hover a source link to read the sentence it came from.

43% 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.