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The Dirty South Roubaix 2026

location_city Alto Pass

location_on Illinois

flag United States

calendar_today 07 Mar, 2026

directions_bike Cycling

language Official Website

Register

About the Event

2025 was another great year for the DSR and it seems 750 is the magic number for the village of Alto Pass. The 10th (YES, that is TENTH) year of the Dirty South Roubaix is coming up on March 7th 2026. Last year we sold out to the 750 registered in under 2 weeks, so don't wait around if you want in on the event this year. We expect a sell out quickly again. Alto Pass has been so welcoming, that we will be back there again. Like years in the past, we are planning to offer the 100k+ as the main event of the day, but will also offer a shorter course for anyone who doesn't want to tackle the full 100k. The short course is near half of the 100k. Don't worry, it will still have a few hills and enough gravel   The racers from the Half Dirty sure didn't feel shortchanged after their race.
If you are looking for an awesome route, great challenge, killer scenery, beer, food and cool friends to hang out with for a day, come check it out.
Thanks for your interest!
Registration opens at 8:00am CST on 11/30/2025.

For the 100k event we will be splitting the results and awards into age groups.  When you register, the website will place you into the correct category per your age and gender. There will still be awards for top 3 male and female overall, but will also be awards for top 3 in each age group. The age groups will be split into 10 year blocks.
Example -
A 53 year old female would sign up for the 100k race. The system would put her in the Female 50-59 category. She will be competing for the overall award and the award for the 50-59 age group.
Some of you took advantage of the referral discount last year, so we are running it again this year. If you share the link provided to you after you register and 5 of your friends use that link to register, you get a refund of $10.
St. Nicholas Brewing Company is stepping up again to provide a beer to all participants. Each participant will be given a token for a beer. They can use the token at packet pickup, after the race or at any of the St. Nicholas Brewing Co locations in the future. Havisham Bourbon, Brew and Spirts House in Alto Pass will be offering additional drink options for purchase. We plan to have at least 2 different food trucks on site again this year and will give all participants a credit for the vendor of your choice.

Packet pickup the night before the race will be located at the St.. Nicholas Brewing Company location at the Carbondale airport (airport code MDH). They have an awesome restaurant and bar at the airport. With this spot close to the event, we hope to get many racers come to packet pickup the night before. We would love if we just had a few packets left for pickup the morning of the race. 

#dirtysouthroubaix

Races Offered

100K+

Mar 07, 2026

straighten

Distance — 100K

terrain

Type — Road Cycling

timer

09:00

Single Speed - 100k+

Mar 07, 2026

straighten

Distance — 100K

terrain

Type — Road Cycling

timer

09:00

Tandem Team 100K+

Mar 07, 2026

straighten

Distance — 100K

terrain

Type — Road Cycling

timer

09:00

Half Dirty

Mar 07, 2026

straighten

Distance — 50K

terrain

Type — Road Cycling

timer

09:15

Weather Overview

These values represent the 3-year monthly averages for March in Alto Pass.

Temp (°C)
Feels Like (°C)
thermostat 4.3° / 15.0°
wb_sunny 0.0° / 11.7°
Wind (km/h)
Humidity (%)
air 13.0 /
water_drop 66.4%

About Alto Pass

Scenic view of

Alto Pass is a village in Union County, Illinois, United States. The population was 342 at the 2020 census, a decrease from 391 in 2010. The Bald Knob Cross and Bald Knob Wilderness are nearby. Alto Pass lies roughly 5.1 miles to the northwest of downtown Cobden, Illinois. Illinois Route 127 runs just west of the village's downtown district.

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