National Sweetest Day
Oct 17Nashotah, WIHalf Marathon, 10K +2
10K, 4 weeks before race day, 35 mi away, registration open
4 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 planWe are so excited to welcome you back for Year 4 of the Abominable Trail Race! Hosted at the beautiful Lake Geneva Ziplines & Adventures venue. This isn’t just a race, it’s a day to celebrate the outdoors with friends. Whether you’re here to push your limits or enjoy a scenic stroll through the woods, there’s a place for you in our pack!
Find your perfect distance:
5K, 10K, or 15K: Great for runners and walkers of all levels.
30K Challenge: Take it on solo or grab your squad for the Team Relay!
Every participant gets a cozy Abominable shirt, an epic finisher’s medal to show off, free action photos of your big moments, professional chip timing, a well-marked course, and a refreshing drink on us at the finish line. See you on the trails!
Individual Events:
Choose your favorite distance (5K | 10K | 15K | 30K) and head out on an adventure thru the beautiful trails and hills at Lake Geneva Ziplines & Adventures.
Team Events:
Create your team of 2, 3, or 4 and conquer our 30k course! Teams may bring a tent and set up in our Base Camp (festival) area. (Please let us know if you will be bringing a tent, so we can save you a spot.)
Awards:
Top 3 M/F in the Individual 5K, 10K, 15K, and 30K will be awarded.
Hangout with friends and cheer on runners in our Base Camp. Music, Games, Food Trucks, Local Craft Beer, Warm Fire Pits, and Local Vendors. Spectators are free.
Early Packet Pick-Up:
We will have early packet pick up Friday (11/13) at Lake Geneva House Of Music, which is directly across the street from the race venue.Time will be announced closer to the event. Packets can also be picked up the day of the race. We recommend arriving at least an hour before your start time to get parked and through registration.
Family Friendly Atmosphere!!
This is a family friendly event. We'll have a live DJ in basecamp (festival area), great local vendors, food trucks, and craft beer. Our Yeti roams around as well, so be sure to get a picture with him.
Photography:
We will have professional photographers on course during race day who are great at capturing amazing images of you to share. These are free with your registration.
Course Map:
The course map will be released closer to race day.
Aid Stations:
The 5k loop will have one water station around the halfway point.
The 10k loop will have two water stations around every mile and a half to two miles.
There will also be a water station at the finish line and a tent for multi-lap racers to leave your bag so you can refuel in-between laps.
15K participants will do the 10K loop on their 1st lap, and the 5K loop on their 2nd lap.
30K participants will do THREE laps of the 10K loop.
Parking:
Parking is at House of Music, directly across the street from the race location. $10 cash, per car. Please bring exact change, thank you.
Where To Stay:
We partner with great hotels, which are only 2-3 miles from the race venue. We'll post the booking links below once we secure the room blocks.
Registration opens
Feb 26, 2026
Tier 1 ends
Mar 12, 2026
Tier 2 ends
Sep 1, 2026
Tier 3 ends
Oct 30, 2026
Registration closes
Nov 14, 2026
Race day
Nov 14, 2026
Tier 4 ends
Nov 14, 2026
30k (4 Person Relay) - Price for Team
Tier 3, then $156 from Oct 30, 2026
$148
30k (3 Person Relay) - Price for Team
Tier 3, then $132 from Oct 30, 2026
$126
30k (2 Person Relay) - Price for Team
Tier 3, then $98 from Oct 30, 2026
$94
Individual 30k
Tier 3, then $59 from Oct 30, 2026
$55
Individual 15k
Tier 3, then $49 from Oct 30, 2026
$47
Individual 10k
Tier 3, then $44 from Oct 30, 2026
$42
Individual 5k
Tier 3, then $39 from Oct 30, 2026
$37
Registration openings and major changes, like a new date or a cancellation.
| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
5K Water Station (Halfway) One water station around the halfway point of the 5K loop. | 2.50 km | -- | water | ||
10K Water Station 1 First of two water stations on the 10K loop, approximately every mile and a half to two miles. | 2.40 km | -- | water | ||
10K Water Station 2 Second of two water stations on the 10K loop, approximately every mile and a half to two miles. | 4.80 km | -- | water | ||
Finish Line Water Station / Multi-Lap Tent Water station at the finish line; also a tent for multi-lap racers to leave their bag and refuel between laps. | -- | -- | water |
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Oct 17Nashotah, WIHalf Marathon, 10K +2
10K, 4 weeks before race day, 35 mi away, registration open
Oct 17Crystal Lake, IL10 mi, 5 mi
5 mi, 4 weeks before race day, 24 mi away, registration open
Oct 18Spring Grove, IL10K, 5K +1
10K, 4 weeks before race day, 14 mi away, registration open
Oct 17Milwaukee, WIHalf Marathon, 10K +2
10K, 4 weeks before race day, 41 mi away, registration open
Straight-line distance
Oct 11West Bend, WI10K, 5K +2
Also a 10K, 59 mi from Abominable Trail Race, registration open
Nov 14Lemont, IL60K, 30K +2
Also a 10K, 67 mi from Abominable Trail Race, registration open
Oct 17Millston, WI85K, 50K +2
Also a 10K, similar trail technicality to Abominable Trail Race, registration open
Oct 10Vandalia, MIHalf Marathon, 10K +1
Also a 10K, 137 mi from Abominable Trail Race, registration open
Straight-line distance
Oct 11West Bend, WI10K, 5K +2
Oct 17Millston, WI85K, 50K +2
Oct 17Iola, WI25K, 10K +1
Oct 24La Crosse, WI50K, 25K +2
Nov 8Eau Claire, WI15K, 10K +1
Apr 17, 2027Dodgeville, WI50K, 27K +1
May 8, 2027Minong, WI87K, 62K +2
Sep 24, 2027Whitewater, WI136 mi
Oct 10Eagle, WI20 hr, 12 hr +1
Jan 9, 2027Crystal Lake, IL50K, 10K
Apr 17, 2027Crystal Lake, IL50K, 15 mi +1
Oct 17Crystal Lake, IL10 mi, 5 mi
Oct 31Dousman, WI100K, 50K
Oct 23Pingree Grove, IL5K
Apr 24, 2027Palatine, IL50 mi, 50K +2
Nov 7West Allis, WI8K, 5K +1
Oct 10Lake County, IL50 mi, 50K +2
Dec 18Lake Mills, WI31 mi, 17.5 mi
Nov 14Morton Grove, IL9 mi, 6 mi +1
Nov 7Colona, ILBackyard Ultra
Nov 7Dubuque, IA50K, 25K
Nov 13Delmar, IABackyard Ultra, 4 mi
Nov 14Lemont, IL60K, 30K +2
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
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