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November 19th, 2019
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Attention... registration for this event closed on Tuesday March 21st, 2017 - 1:00 pm (USCT). Special coupon codes may have ability to override established registration restrictions.
Race Information
Race Name:Paleozoic Trail Runs - Carboniferous Spring
Location:Palos Park
State:Illinois, United States
Posted:December 28th, 2016 5:12 pm
Last Update:February 23rd, 2017 8:00 am
Race: Logo
Event Information
Name of Event:Paleo-Carb 25-Km
Date:Saturday March 25th, 2017
Start Time:9:30 am
Special Instructions:
Tuesday March 21st - 1:30 pm CDT
Our Paleo-Carb 25-Km has met its extended capacity. We cannot allow any additional registration into this running of our 25-Km. Runners... thanks for your interest!

Saturday February 25th - 5:00 pm CST
Paleozoic Trail Runs - Carboniferous Spring has met its permitted capacity of registered runners. We cannot offer additional open registration, but you may add your name to our "Wait List" (above). We have plans of hosting a 2017 fall version of Paleozoic Trail Runs in November. Thanks for your interest.

Please note: If you've been issued a special coupon code you may submit registration. Click the "Register for Event" button, and use your coupon code to continue!
Event Registration Schedule
Opened:Thursday December 29th, 2016Noon
Deadline passed:Tuesday January 31st, 2017Midnight $50.00
Deadline passed:Tuesday February 28th, 2017Midnight $55.00
Deadline passed:Tuesday March 21st, 20171:00 pm $65.00
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Standard Time
This race features 4 events. Please checkmark to verify your registration intentions for:
Paleo-Carb 25-Km 25 Kilometers
To choose a different registration, click its name below:
Paleo-Carb 50-Km • 50 Kilometers
Paleo-Carb Volunteer • 9 Hours
Paleo-Carb Wait List • 1 Years
Step 1 of 2 - Participant Registration
First Name
Last Name
Address 1
Address 2
State / Province
Use 2 digit code for US and Canada
otherwise, leave blank.
[US Flag]  [Canadian Flag]
Country (only if outside of the U.S. and Canada)
Leave blank if address is within US or Canada.
Zip / Postal Code
Primary Phone Number
Required... please provide your primary number.
Other Phone
Optional... provide an alternate phone number.
Email Address
Participant's active Email Address... check for accuracy.
Participant's Date of Birth
Gender: M for Male, F for Female.
Apparel Description
We're pleased to offer A4 tech shirts to our preregistered participants for no additional charge (note: shirts run 1/2+ size large so consider selecting a size smaller than your typical choice). Shirt size selection guaranteed only to participants who register by 10 days in advance of our race date, ie: Wednesday March 15th - Noon.
Late entries... as Carboniferous Spring sizes run out, matching shirts from past editions will be used for your selected shirt size. Will be gender-specific, in short or long sleeve.
Shirt Selection
SelectItem NameAvailable
Women's X-Small Short-Sleeve0
Women's Small Short-Sleeve2
Women's Medium Short-Sleeve3
Women's Large Short-Sleeve0
Women's X-Large Short-Sleeve0
Men's Small Short-Sleeve2
Men's Medium Short-Sleeve0
Men's Large Short-Sleeve1
Men's X-Large Short-Sleeve0
Men's 2X-Large Short-Sleeve0
Women's Medium Long-Sleeve1
Men's Large Long-Sleeve2
Women's Small Past Edition SS or LS
Women's Medium Past Edition SS or LS
Women's Large Past Edition SS or LS
Women's X-Large Past Edition SS or LS
Men's Small Past Edition SS or LS
Men's Medium Past Edition SS or LS
Men's Large Past Edition SS or LS
Men's X-Large Past Edition SS or LS
No Shirt

Emergency Contact Name
Emergency Contact Phone Number

Participants of Past Paleozoic Trail Runs...
In how many past Paleozoic Trail Runs have you finished?
Optional... have you participated in past Paleozoic Trail Runs? If so, please select the number of your past race finishes - otherwise leave blank (note: We have records for verification).
* Nov 9, 2019 :: Cambrian Fall II
* Mar 23, 2019 :: Permian Spring
* Nov 10, 2018 :: Ordovician Fall
* Mar 24, 2018 :: Devonian Spring
* Nov 11, 2017 :: Cambrian Fall
* Mar 25, 2017 :: Carboniferous Spring
* Nov 11, 2016 :: Silurian Fall
* Mar 26, 2016 :: Silurian Spring
* Nov 14, 2015 :: Permian Fall
* Mar 28, 2015 :: Ordovician Spring
* Nov 15, 2014 :: Devonian Fall
* Mar 22, 2014 :: Cambrian Spring
* Nov 16, 2013 :: Carboniferous Fall
* Mar 16, 2013 :: Inaugural Paleozoic Trail Runs

Special Class: First Finish at this Distance?
Optional... upon successful completion, will this be your first finish at a race of this distance? Leave blank if you've successfully raced and completed this distance, or beyond.

What is your Predicted Finish Time?
Required... help with our planning by predicting your finish time for a trail run of your selected event distance.

What, if any, are your Carpooling Plans?
Required... help with our planning by selecting the choice that best matches your plans. We encourage carpooling to our Start/Finish area, as parking space can be limited.

What is your favorite, must-have refreshment at aid stations?
Optional... help with our planning by providing your favorite aid station refreshment, treat, or snack.

How did you first hear about our Paleozoic Trail Runs?
Optional... if this is your first time running Paleozoic Trail Runs, please let us know how you found out about our race.

I know that participating in this athletic event is a potentially hazardous activity. I certify that I am properly trained and have obtained my physician's permission to participate. In my participation I assume all risks associated with this event including, but not limited to: injuries, falls, collisions, contact with other participants, contact with vehicular traffic, the effects of weather, including cold, heat or high humidity, lightning, rain, snow, hail, or ice. I agree to participate in the spirit of fair sportsmanship with respect to other participants, and will abide by rules and decisions of the race administrators and governing officials. I will pay the additional replacement cost of $35 if the timing chip assigned to me is not returned after the race. Having read this waiver and knowing these facts and in consideration of my acceptance into this event, I for myself and anyone entitled to act on my behalf, waive and release Kemper Tech, Inc (dba RunRace), all sponsors and all of their representatives, and successors, and beneficiaries, and benefactors, the Forest Preserve District of Cook County, the State of Illinois from all claims or liabilities of any kind arising out of my participation in this event though that liability my arise out of negligence or carelessness on the part of the persons named in this waiver.

As a late-entry/wait-list runner I acknowledge that there may be a delay in delivery of my Paleozoic Trail Runs finishers' medal, and that there may be an additional cost for shipping/handling should I request that my finishers' medal be sent to me via U.S. Mail. I agree to pay such shipping/handling costs.
 Agree to waiver by checking here.
By agreeing to this waiver you submit to the terms and conditions as set forth by this event and certify that you have provided true and accurate information as requested through this registration process.
Coupon Code

Do you have a coupon or promo code? If so, please include it here.

The registration deadline for this Event has passed... registration is no longer available. Special coupon codes may have ability to override registration dates.
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