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Online Registration Deadline: Tuesday, Aug 13, 2024 at 11:59 PM CT

Total Event Registration Limit: 1000

Select Your Category

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100 Mile Stone Crusher p/b River Products Company
Combined Field Limit: 300
Category Start Time Distance Field Limit Fee
100 Mile Youth 17 & Under FREE $0 8:00 AM 100 miles $0
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go! Category is for Youth 17 Under on Race Day.
100 Mile Women 70 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack, and b-roads. Let's go!
100 Mile Women 60 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Women 50-59 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Women 40-49 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Women 39 & Under $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Non-Binary 70 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack, and b-roads. Let's go!
100 Mile Non-Binary 60 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Non-Binary 50 - 59 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Non-Binary 40 - 49 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Non-Binary 39 & Under $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Men 70 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack, and b-roads. Let's go!
100 Mile Men 60 & Over $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Men 50-59 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Men 40-49 $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Men 39 & Under $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Three Person Team Women $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Three Person Team Coed $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Three Person Team Men $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Single Speed $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
100 Mile Fat Bike (3.5"+ Tire) Category $144 8:00 AM 100 miles $144
  • A raucous 100 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Let's go!
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60 Mile core4 Route
Combined Field Limit: 400
Category Start Time Distance Field Limit Fee
60 Mile Youth 17 & Under FREE $0 9:00 AM 60 miles $0
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads. Category is for Youth 17 + Under on Race Day.
60 Mile Women 70 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Women 60 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Women 50-59 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Women 40-49 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Women 39 & Under $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Non-Binary 70 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Non-Binary 60 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Non-Binary 50-59 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Non-Binary 40-49 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Non-Binary 39 & Under $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Men 70 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Men 60 & Over $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Men 50-59 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Men 40-49 $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Men 39 & Under $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Three Person Team Women $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Three Person Team Coed $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Three Person Team Men $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Single Speed $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
60 Mile Fat Bike (3.5"+ Tire) Category $144 9:00 AM 60 miles $144
  • A rowdy 60 mile core4 mix of all the surfaces! pavement, gravel, singletrack and b-roads.
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40 Mile core4 Route
Combined Field Limit: 250
Category Start Time Distance Field Limit Fee
40 Mile core40 Youth 17 & Under FREE $0 10:00 AM 40 miles $0
  • Ready for the core40 challenge! Approximately 40 miles of pavement, gravel, and b-roads. Category is for Youth 17 + Under on Race Day.
40 Mile core40 Ride $114 10:00 AM 40 miles $114
  • Ready for the core40 challenge! Approximately 40 miles of pavement, gravel, and b-roads.
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20 Mile core4 Route
Combined Field Limit: 150
Category Start Time Distance Field Limit Fee
20 Mile core4 Crew Ride Youth 17 & Under FREE $0 10:00 AM 20 miles $0
  • Mass start ride for all to enjoy. Join the Crew! Approximately 20 miles of pavement, gravel, and b-roads.
20 Mile core4 Crew Ride $84 10:00 AM 20 miles $84
  • Mass start ride for all to enjoy. Join the Crew! Approximately 20 miles of pavement, gravel, and b-roads.
Category Start Time Distance Field Limit Fee
Weekend Camping! $24 12:00 PM 200 $24
  • Camp under the stars at Wilson's Orchard. Campground opens Friday, August 16th at 12pm and closes 12:00pm Sunday, August 18th.
Volunteer! Keep me in the loop on how to help with core4! $0 see event details $0
  • Volunteer options include course setup, packet pickup, checkpoints, course crossings, Wilson's setup/teardown, and much more! Sign up to volunteer and we will contact you with options.

Purchase Event Items

Add event items for purchase to your registration. You can also purchase items without registering.

Remove

core4 Crew Sock - $14

Our limited edition core4 crew cuff socks are perfect for riding on all surfaces. [+more]

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Past Results

Date
8/19/2023

Location & Contact

Location address:
4823 Dingleberry Rd NE, Iowa City, IA  52240
Event Website
http://www.core4.bike
Contact Us