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Attention... registration for this event closed on Thursday March 18th, 2021 - 5:00 pm (USCT). Special coupon codes may have ability to override established registration restrictions.
Race Information
Race Name:Paleozoic Trail Runs - Silurian Spring II
Location:Willow Springs
State:Illinois, United States
Posted:December 3rd, 2020 12:37 pm
Race: Logo
Event Information
Name of Event:Paleo-Silur 50-Km
Date:Friday March 19th, 2021
Start Time:8:30 am
Special Instructions:
Racing will be spread over three days... Friday March 19th; Saturday March 20th; Sunday March 21st. Our permit allows a maximum of 50 partiipants per day. Registrants will be prompted to select their preferred day of participation between Friday, Saturday, or Sunday. As each day reaches capacity it will close to further registrations.
* Monday January 25th - 10:00 am CST
We've met capacity for Friday and Saturday and Sunday racing. Currently we are not accepting further registrations into racing events.
* Monday January 11th - 11:00 am CST
We've met capacity for Friday and Saturday racing. Currently we are accepting registrations only for Sunday until available spots are filled.
* Wednesday December 9th - 2:30 pm CST
We've met capacity for Saturday racing. Currently we are accepting registrations only for Friday and Sunday until available spots are filled.
Event Registration Schedule
Opened:Saturday December 5th, 20206:00 am
Deadline passed:Thursday December 31st, 2020Midnight $50.00
Deadline passed:Sunday February 28th, 2021Midnight $60.00
Deadline passed:Thursday March 18th, 20215:00 pm $75.00
Unless otherwise noted... Registration Dates & Times are based upon: U.S. Central Daylight Saving Time
This race features 4 events. Please checkmark to verify your registration intentions for:
Paleo-Silur 50-Km 50 Kilometers
To choose a different registration, click its name below:
Paleo-Silur Wait List • 2 Months
Paleo-Silur 25-Km • 25 Kilometers
Paleo-Silur Volunteer • 9 Hours
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.

Emergency Contact Name
Emergency Contact Phone Number
Required... please provide a contact name and phone number of someone who is not running in the race as information which we may use in the unlikely event of an emergency.

Apparel Description
We're pleased to offer gender-specific A4 Short-Sleeve tech shirts to our preregistered participants for no additional charge (note: especially for men, shirts tend to 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 - Noon.
Shirt Selection
SelectItem NameSurchargeAvailable
Women X-Small Short-Sleeve0
Women X-Small Long-Sleeve$5.000
Women Small Short-Sleeve2
Women Small Long-Sleeve$5.000
Women Medium Short-Sleeve3
Women Medium Long-Sleeve$5.000
Women Large Short-Sleeve2
Women Large Long-Sleeve$5.000
Women X-Large Short-Sleeve0
Women X-Large Long-Sleeve$5.000
Men Small Short-Sleeve1
Men Small Long-Sleeve$5.000
Men Medium Short-Sleeve2
Men Medium Long-Sleeve$5.001
Men Large Short-Sleeve2
Men Large Long-Sleeve$5.000
Men X-Large Short-Sleeve1
Men X-Large Long-Sleeve$5.000
Race Beanie Hat
Women Small Past Edition SS or LS
Women Medium Past Edition SS or LS
Women Large Past Edition SS or LS
Women X-Large Past Edition SS or LS
Men Small Past Edition SS or LS
Men Medium Past Edition SS or LS
Men Large Past Edition SS or LS
Men X-Large Past Edition SS or LS
No Shirt
Upgrade to Long-Sleeve Shirt?
Optional... would you prefer a long-sleeve race shirt? Select 'Yes' and we'll reserve your chosen size in Long-Sleeve for a nominal (our cost) charge. Note: this option may be available only until 10 days in advance of our race date. If you're choosing a Past Edition and would like it in Long-Sleeve be sure to select 'Yes'!

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.

Preferred Day of Participation
Required... for our planning purposes, please select your preferred day of participation. Keep in mind that we're restricted to 50 runners per day.

For this version of Paleozoic Trail Runs all attendees will be required to wear facial masks while not running, and observe 6-feet social distancing practices as prescribed by the guidelines of Restore Illinois Phase 4. Special restrictions limit maximum number of participants to 50 at an event gathering. I have chosen my preferred date -or- will be assigned a date of participation, and will attend only on that date to allow others the chance of participation. All in attendance will be subject to no-touch temperature screening. As a participant I agree to abide by these special requirements.
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 bicycle and vehicular traffic, contact with other persons who're not event participants, encounters with animals, 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 volunteers, 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.
For participants of Friday/Saturday/Sunday racing... Friday/Saturday/Sunday event starting times will all match: 8:30 am for the Paleozoic 50-Km; 9:30 am for Paleozoic 25-Km.
Because this version of Paleozoic Trail Runs will be conducted over the span of multiple days results will not be finalized until all racing is complete, and each day's results are merged. It will be the responsibility of award recipients to retrieve their award, or cover the cost of shipping and handling for awards that are not claimed in person.
For late-entry/wait-list runners... 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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