Thunder Chicken 100K Stage Races
May 2 - May 4, 2025
600 Kiwanis Dr
Eureka, MO 63025
Eureka, MO 63025
REGISTRATION INFORMATION
Race Day Registration for Thunder Chicken 100K - ALL 3 DAYS - $280.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all 3-Stages or individual stage events will begin at 6AM on Friday, May 2, 2025!
*Included in your ALL 3 DAYS - RACE DAY REGISTRATION
Custom Finisher Buckle
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
*Check individual event start time, time limit, race day registration & check-in information for Stage 1, Stage 2 and Stage 3
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all 3-Stages or individual stage events will begin at 6AM on Friday, May 2, 2025!
*Included in your ALL 3 DAYS - RACE DAY REGISTRATION
Custom Finisher Buckle
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
*Check individual event start time, time limit, race day registration & check-in information for Stage 1, Stage 2 and Stage 3
Race Day Registration for Thunder Chicken 21-ish Mi - $150.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all 3-Stages or individual stage events will begin at 6AM on Friday, August 2, 2024!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Snack and Beer!
START TIME, TIME LIMIT & CHECK IN
Friday, May 2, 2025
Start Time: 7AM
Check In and Packet Pickup: 6AM - 6:45AM at Camp Wyman
Cutoff time - 8 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 1 runners must be checked OUT of the aid station at Rockwooods Range Aid Station - 12 Miles prior to 2:00 PM on their way back to the start/finish.
Aid Station Cutoff - 5 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
21-ish Miles Course GPX 21-ish Miles Course Map
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all 3-Stages or individual stage events will begin at 6AM on Friday, August 2, 2024!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Snack and Beer!
START TIME, TIME LIMIT & CHECK IN
Friday, May 2, 2025
Start Time: 7AM
Check In and Packet Pickup: 6AM - 6:45AM at Camp Wyman
Cutoff time - 8 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 1 runners must be checked OUT of the aid station at Rockwooods Range Aid Station - 12 Miles prior to 2:00 PM on their way back to the start/finish.
Aid Station Cutoff - 5 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
21-ish Miles Course GPX 21-ish Miles Course Map
Race Day Registration for Thunder Chicken 26-ish Mi - $160.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for individual stage events will begin at 6AM on Saturday, August 3, 2024!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Snack and Beer!
START TIME, TIME LIMIT & CHECK IN
Saturday, May 3, 2025
Start Time: 7:00AM
Check In and Packet Pickup: 6:00AM - 6:45AM at Camp Wyman
Cutoff time - 9 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 2 runners must be checked OUT of the aid station at Rockwooods Reservation Aid Station - 16.5 Miles prior to 1:30 PM on their way back to the start/finish.
Aid Station Cutoff - 6 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
26-ish Miles Course GPX 26-ish Miles Course Map
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for individual stage events will begin at 6AM on Saturday, August 3, 2024!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Snack and Beer!
START TIME, TIME LIMIT & CHECK IN
Saturday, May 3, 2025
Start Time: 7:00AM
Check In and Packet Pickup: 6:00AM - 6:45AM at Camp Wyman
Cutoff time - 9 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 2 runners must be checked OUT of the aid station at Rockwooods Reservation Aid Station - 16.5 Miles prior to 1:30 PM on their way back to the start/finish.
Aid Station Cutoff - 6 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
26-ish Miles Course GPX 26-ish Miles Course Map
Race Day Registration for Thunder Chicken 25K-ish - $140.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for individual stage events will begin at 6:00AM on Sunday, May 4, 2025!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
START TIME, TIME LIMIT & CHECK IN
Sunday, May 4, 2025
Start Time: 7AM
Check In and Packet Pickup: 6AM - 6:45AM at Camp Wyman
Cutoff time - 6 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 3 runners must be checked OUT of the aid station at Mustang Aid Station - 8.5 Miles prior to 1:00 PM on their way back to the start/finish.
Aid Station Cutoff - 4 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
25K-ish Course GPX 25K-ish Course Map
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for individual stage events will begin at 6:00AM on Sunday, May 4, 2025!
*Included in your RACE DAY REGISTRATION
Custom Finisher Medal
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
START TIME, TIME LIMIT & CHECK IN
Sunday, May 4, 2025
Start Time: 7AM
Check In and Packet Pickup: 6AM - 6:45AM at Camp Wyman
Cutoff time - 6 Hours
Other cut-off times to note that will be strictly enforced are as follows:
All Stage 3 runners must be checked OUT of the aid station at Mustang Aid Station - 8.5 Miles prior to 1:00 PM on their way back to the start/finish.
Aid Station Cutoff - 4 Hours
*Please note if a runner is unable to make the above listed cut-off times at the aid stations they will not be allowed to continue on the course*
25K-ish Course GPX 25K-ish Course Map
Race Day Registration for Thunder Chicken PICK TWO
Pick 2 - Option 1 (26Mi & 25K) - $220.00
Pick 2 - Option 1 (26Mi & 21Mi) - $230.00
Pick 2 - Option 1 (21Mi & 25K) - $210.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all PICK TWO participants will begin at 6AM on Friday, May 2, 2025!
*Included in your PICK TWO - RACE DAY REGISTRATION
Custom Finisher Buckle
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
*Check individual event start time, time limit, race day registration & check-in information for Stage 1, Stage 2 and Stage 3
Pick 2 - Option 1 (26Mi & 25K) - $220.00
Pick 2 - Option 1 (26Mi & 21Mi) - $230.00
Pick 2 - Option 1 (21Mi & 25K) - $210.00
*NO SWAG*
*Swag only if sizes are available.
*CASH ONLY*
Race day/onsite registration for all PICK TWO participants will begin at 6AM on Friday, May 2, 2025!
*Included in your PICK TWO - RACE DAY REGISTRATION
Custom Finisher Buckle
FREE Digital Race Photo Downloads
Post-Race Grub and Beer!
*Check individual event start time, time limit, race day registration & check-in information for Stage 1, Stage 2 and Stage 3
COURSE DESCRIPTION
Stage 1 - 21-ish Mi - Tour de Rockwoods Range
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park then onto the wide gravel straight to Round House Trail, then runners will cruise the Spur Trail to Greenrock Trail with an out and back on Fox Run Trail before heading back to the wide gravel via the Greenrock Trail making their way back onto Declue and finish at Camp Wyman. Approx. Elevation Gain 3,350 feet
Stage - 2 - 26-ish Mi - Tour de Rockwoods Reservation
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park, once runners are past Declue they will traverse a combination of connector trails at Greensfelder Park making their way onto Greenrock Trail and take that all the way out to Rockwoods Reservation. At Rockwoods Reservations runners will run the Rock Quarry Trail, Trail Amongst Trees Trail and a loop of Lime Kiln Trail making their way back to Rock Quarry Trail, onto Greenrock Trail and back to Camp Wyman via Declue to finish the Marathon distance. Approx. Elevation Gain 4,450 feet
Stage 3 - 25K-ish - Tour de Greenfelder
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park, once runners are past Declue they will traverse the entire length of Deer Run Trail (Old and New Deer Run Trail) connect to Eagle Valley Trail, run a loop of Mustang Trail before dropping to Eagle Valley once more and running Scenic Road to Fossil Ridge Trail at Greensfelder Park before making thier way back to finish at Camp Wyman. Approx. Elevation Gain 2,100 feet
*The course for all three stage races will challenge even the more seasoned trail runners amongst us! All three stages terrain ranges from steep grade to rolling hills, rocks, roots and creek crossings that will make for three days of technical trail running!
Stage 1 - 21-ish Mi - Tour de Rockwoods Range
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park then onto the wide gravel straight to Round House Trail, then runners will cruise the Spur Trail to Greenrock Trail with an out and back on Fox Run Trail before heading back to the wide gravel via the Greenrock Trail making their way back onto Declue and finish at Camp Wyman. Approx. Elevation Gain 3,350 feet
Stage - 2 - 26-ish Mi - Tour de Rockwoods Reservation
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park, once runners are past Declue they will traverse a combination of connector trails at Greensfelder Park making their way onto Greenrock Trail and take that all the way out to Rockwoods Reservation. At Rockwoods Reservations runners will run the Rock Quarry Trail, Trail Amongst Trees Trail and a loop of Lime Kiln Trail making their way back to Rock Quarry Trail, onto Greenrock Trail and back to Camp Wyman via Declue to finish the Marathon distance. Approx. Elevation Gain 4,450 feet
Stage 3 - 25K-ish - Tour de Greenfelder
Course will start at Camp Wyman headed towards Declue at Greensfelder County Park, once runners are past Declue they will traverse the entire length of Deer Run Trail (Old and New Deer Run Trail) connect to Eagle Valley Trail, run a loop of Mustang Trail before dropping to Eagle Valley once more and running Scenic Road to Fossil Ridge Trail at Greensfelder Park before making thier way back to finish at Camp Wyman. Approx. Elevation Gain 2,100 feet
*The course for all three stage races will challenge even the more seasoned trail runners amongst us! All three stages terrain ranges from steep grade to rolling hills, rocks, roots and creek crossings that will make for three days of technical trail running!
HELP SEND A YOUTH TO SUMMER CAMP - DONATION MATCH PROGRAM
Terrain Trail Runners-STL Charitable Endeavors: In our efforts to give back to our local community we are adding a Donation Match Program to Thunder Chicken 100 Stage Races!
We will match every dollar donated towards Camp Wyman by runners signing up for the race and making a donation to help send a youth to camp!
Please follow the DIRECT DONATION LINK to make a donation to Camp Wyman under the drop down designation 'Thunder Chicken Ultra Marathon Race' and Terrain Trail Runners will match your donation amount.
*This is not mandatory and is in addition to the registration and entry fees. All donations made are tax deductible!
We will match every dollar donated towards Camp Wyman by runners signing up for the race and making a donation to help send a youth to camp!
Please follow the DIRECT DONATION LINK to make a donation to Camp Wyman under the drop down designation 'Thunder Chicken Ultra Marathon Race' and Terrain Trail Runners will match your donation amount.
*This is not mandatory and is in addition to the registration and entry fees. All donations made are tax deductible!
For more information on Terrain Trail Runners -STL general race polices and withdrawal/refund policies. Please see the FAQ page.
All other race specific information will be emailed after online race registration closes on UltraSignup!
All other race specific information will be emailed after online race registration closes on UltraSignup!
General Thunder Chicken 100K stage race specific information:
AID STATIONS
Stage 1 - Aid Station will be at 12 Miles. This will be a fully supported aid station!
Water & Ice Drop at 6.5 Miles
Stage 2 - Aid Station will be at 8.75 Miles outbound and 16.5 Miles inbound (runners will be utilizing this same aid station both outbound and inbound). This will be a fully supported aid station!
Water & Ice Drop at 3.3 Miles outbound and 22.2 Miles inbound.
Stage 3 - Aid Station will be at 8.5 Miles. This will be a fully supported aid station!
*Review each stage maps for aid station details
SWAG, AWARDS & POST RACE
*Opt-Out of Swag and Plant a Tree!
READ MORE HERE
Included In Your Online Race Registration:
Custom Cotton/Poly Lifestyle T-shirt - Gender Specific
**DEADLINE FOR GUARANTEED SWAG WITH YOUR REGISTRATION IS April 6, 2025**
Alternative Swag Will be given to all participants that register after the above deadline.
Stage 1 and Stage 2 post-race easy grab snack and beer to Salute! - August 2 & 3
Stage 3/All 3 Day Stage Runners post-race Taco Bar (Veggie and Non-Veggie Option) with fixings and beer to Salute! - May 4
*As part of our Zero-Waste racing pledge to help reduce our environmental footprint because we believe every little action matters, we will no longer have paper plates and/or plasticware for post-race food. Runners and their crew are encouraged to PLEASE bring their own (non-disposable) plate and utensils to help reduce the trash from our events.
Please help us keep our races eco-friendly, minimize the trash in the landfills and our trails clean. Together we can make a difference!
You can read more about our Sustainability Pledge here: SUSTAINABILITY - Terrain Trail Runners
All 3 Day Stage runners will receive a custom belt buckle.
Individual Stage 1, Stage 2 and Stage 3 runners will receive custom medals.
Awards will be given to overall male and female participants for All 3 Day Stage finishers ONLY.
AID STATIONS
Stage 1 - Aid Station will be at 12 Miles. This will be a fully supported aid station!
Water & Ice Drop at 6.5 Miles
Stage 2 - Aid Station will be at 8.75 Miles outbound and 16.5 Miles inbound (runners will be utilizing this same aid station both outbound and inbound). This will be a fully supported aid station!
Water & Ice Drop at 3.3 Miles outbound and 22.2 Miles inbound.
Stage 3 - Aid Station will be at 8.5 Miles. This will be a fully supported aid station!
*Review each stage maps for aid station details
SWAG, AWARDS & POST RACE
*Opt-Out of Swag and Plant a Tree!
READ MORE HERE
Included In Your Online Race Registration:
Custom Cotton/Poly Lifestyle T-shirt - Gender Specific
**DEADLINE FOR GUARANTEED SWAG WITH YOUR REGISTRATION IS April 6, 2025**
Alternative Swag Will be given to all participants that register after the above deadline.
Stage 1 and Stage 2 post-race easy grab snack and beer to Salute! - August 2 & 3
Stage 3/All 3 Day Stage Runners post-race Taco Bar (Veggie and Non-Veggie Option) with fixings and beer to Salute! - May 4
*As part of our Zero-Waste racing pledge to help reduce our environmental footprint because we believe every little action matters, we will no longer have paper plates and/or plasticware for post-race food. Runners and their crew are encouraged to PLEASE bring their own (non-disposable) plate and utensils to help reduce the trash from our events.
Please help us keep our races eco-friendly, minimize the trash in the landfills and our trails clean. Together we can make a difference!
You can read more about our Sustainability Pledge here: SUSTAINABILITY - Terrain Trail Runners
All 3 Day Stage runners will receive a custom belt buckle.
Individual Stage 1, Stage 2 and Stage 3 runners will receive custom medals.
Awards will be given to overall male and female participants for All 3 Day Stage finishers ONLY.