Outlast Chicago
Oct 24Palatine, IL18 mi
86 mi from The Hennepin Hundred, in October, registration open
Listed from UltraSignup. Checked Oct 4, 2026.
16 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planIllinois' only point-to-point, all-trail ultramarathon from Sterling, Illinois on the Rock River to Colona, Illinois near the mighty Mississippi, along the historic and beautiful Hennepin Canal.
Registration closes
Sep 25, 2026
Race day
Oct 4, 2026
All distances
Early bird 5 person relay
$425
100 mile
after Mar 31
$375
50 mile
after Mar 31
$185
50K
after Mar 31
$160
Registration openings and major changes, like a new date or a cancellation.
| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Aid Station 1 / Kyle & Terri No crew access. Location: Buel Road, Rock Falls. | 5.30 miles | 8:50 AM | -- | ||
Aid Station 2 / Yeti Trail & Ultrarunners No crew access. Bathroom available. | 10.80 miles | 10:35 AM | -- | ||
Aid Station 3 / Prairie State Road Runners Limited crew access because of available parking. Relay exchange spot. | 14.90 miles | 11:50 AM | -- | ||
Aid Station 4 / Fleet Feet Davenport No crew access. Drop bags available. Relay exchange spot. | 20.40 miles | 1:10 PM | -- | ||
Aid Station 5 / Kankakee Zoo Crew Very limited crew access because of parking. Relay exchange spot. | 23.10 miles | 1:55 PM | -- | ||
Aid Station 6 / 8RUN5 Run Club No crew access. | 27.30 miles | 3:15 PM | -- | ||
Aid Station 7/15 / Flatlander Running Club Large station serving as Aid Station 7 and Aid Station 15. 50K starting line. Bathroom available. Relay exchange spot. | 32.10 miles | 3:15 AM | Gnarly Fuel20souphot foodcoffee+2 | ||
Aid Station 8/14 / Ten Junk Miles Station visited at mile 38.7 and mile 62.4. Bathroom available. | 38.70 miles | 1:15 AM | -- | ||
Aid Station 9/13 / Trail Sisters Quad Cities Station visited at mile 44.3 and mile 57.2. Crew is prohibited; crew coming here will disqualify the runner. | 44.30 miles | 11:40 PM | -- | ||
Aid Station 10/12 / Lock 17 Station visited at mile 47.5 and mile 54. Relay exchange and drop bag location. 100-mile runners may pick up pacers here. | 47.50 miles | 10:45 PM | -- | ||
Aid Station 11 / RunJunkees Light aid station. No crew access. | 50.50 miles | 10:00 PM | -- | ||
Aid Station 16 / Springfield Dirtbags Relay exchange spot. | 74.60 miles | 5:05 AM | -- | ||
Aid Station 17 / LCM Run Club No crew access. | 79.60 miles | 7:25 AM | -- | ||
Aid Station 18 / Henry County Sheriffs Patrol No crew access. | 83.70 miles | 7:55 AM | -- | ||
Aid Station 19 / Cuss Running Relay exchange and drop bag location. Bathroom available. | 88.10 miles | 9:15 AM | -- | ||
Aid Station 20 / Quad Cities Trail & Ultrarunners Relay exchange spot. Bathroom available. | 94.70 miles | 11:30 AM | -- |
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Oct 24Palatine, IL18 mi
86 mi from The Hennepin Hundred, in October, registration open
Nov 14Lemont, IL60K, 30K +2
86 mi from The Hennepin Hundred, similar trail technicality to The Hennepin Hundred, registration open
Oct 25Morris, IL5K
71 mi from The Hennepin Hundred, in October, registration open
Oct 23Pingree Grove, IL5K
67 mi from The Hennepin Hundred, in October, registration open
Straight-line distance
Oct 23Pingree Grove, IL5K
Oct 24Willow Springs, IL50K, 25K +1
Oct 24Palatine, IL18 mi
Oct 24Springfield, IL5K
Oct 25Monticello, IL5.7 mi, 2 mi
Oct 25Morris, IL5K
Oct 31Shipman, IL10K, 5K +1
Oct 31Cisco, IL5K
Nov 7Colona, ILBackyard Ultra
Nov 14Morton Grove, IL9 mi, 6 mi +1
Nov 14Pekin, IL50 mi, 30 mi +2
Nov 14Lemont, IL60K, 30K +2
Aug 14, 2027Dixon, IL15 mi, 10 mi +1
Dec 5Dixon, IL5K
Mar 27, 2027Dixon, IL
Mar 27, 2027Long Grove, IA24 hr
May 15, 2027Galena, IL8 hr, 4 hr
Nov 13Delmar, IABackyard Ultra, 4 mi
Apr 17, 2027Illinois City, IL50 mi, 50K +1
Jul 9, 2027Chillicothe, IL100 mi, 50 mi +3
Dec 13Peoria, IL50K
Nov 7Dubuque, IA50K, 25K
Oct 24Hobart, IN5K, 1 mi
Oct 31Dousman, WI100K, 50K
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
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