24 Hours of Cumming

Saturday, August 4, 2018 in Cumming, IA at Cumming Tap


  • 400K Solo

    » $115.00 late registration (through 8/3 at 7:30 AM US/Central)
    Register for the 400K Solo


  • 400K Two Person Relay

    » $170.00 late registration (through 8/3 at 7:30 AM US/Central)
    Register for the 400K Two Person Relay


  • 400K Four Person Relay

    » $220.00 late registration (through 8/3 at 7:30 AM US/Central)
    Register for the 400K Four Person Relay


  • 100K Solo

    » $45.00 late registration (through 8/3 at 7:30 AM US/Central)
    Register for the 100K Solo


  • 200K Solo

    » $65.00 late registration (through 8/3 at 7:30 AM US/Central)
    Register for 200K Solo


  • Klunkerz
    presented by Ichi Bike

    » $0.00 registration (through 8/3 at 7:30 AM US/Central)


    Must be registered by July 6th to receive custom walz cap and/or sock guy socks.
    Register for Klunkerz



* Click here for fee information

Connect with others about this event and see who's going!


Welcome to 24 HRS of Cumming!

Welcome to the #midwestsbestgravelfest! Now in our 5th year, the event has become a Gravel grinder jubilation with a helluva bike race thrown in! Bands all afternoon and evening, Saturday. Amazing food, drinks, bonfire and boogie! Oh yeah, almost forgot about the bike race.

This gritty bike race will take place entirely on the gravel roads of central Iowa. It will be one of the toughest endurance biking challenges in the United States. Riders will have 24 hours to cover 400k (that's 248 miles to you and me) and nearly 15,000 feet of elevation gain. That's a challenge for even the gnarliest of grinders! We also offer a 100k solo and NEW this year will be a 200k solo! Not ready to tackle this beast solo? Take it on with a team of 2 or 4 people. To keep this beast from getting out of hand we will cap each race so register now!

Registration will get you a piece of all of this

- Hat and socks for all 400k solo participants
- Choice of hat or socks for all other distances (design coming soon)
- A stacked SWAG table
- Free breakfast Sunday morning
- Drink specials at the Cumming Tap
- Live music on Saturday
- Great food available for purchase all day Saturday
- Camping spots near the start/finish line
- A shot at winning one of our custom trophies
- Group rate discounts at our host hotel

Event Schedule

Friday August 3rd
4 PM - First of 3 Live Bands Begins
6-8 PM - Packet Pickup @ The Cumming Tap
8:30 PM - Live Band

Saturday August 4th - RACE DAY
7:40 - 100K and 200K Pre-race Meeting
8:00 - 100K and 200K Solo Start
8:30 - 9:30 AM - Packet Pick-up @ The Cumming Tap
10:40 AM - Pre-race Meeting 400K
11:00 AM - All 400k Races Start
11:10 AM - Two Person Relay Race Start
11:20 AM - 4 Person Relay Race Start
10 PM - Bonfire

Sunday August 5th
8:00 AM -11:30 AM - Breakfast
11:30 AM - Awards

Registration Limit

100 Riders in each Distance Category

*Once the event is full, there will be no additional spots. There is no waiting list.

Rider Support & Cut - Off Times

- There is no outside support allowed on course
- Support on course between riders is allowed (mechanical or food and drink)
- The ONLY outside support allowed is within the Cumming city limits (There will be an area for support crews to station in Cumming)
- It is highly recommended you have a support crew or a well stocked cooler!
- Breaking these rules is grounds for disqualification

Cut - Off Times
- After 300k (Loop 3) - Must leave checkpoint 21 hours from start
- 400k Finish - Must finish 23 hours and 59 minutes from start to receive official race finish recognition

Questions?

If you have questions, please use the "Contact the Organizers" link on this page.


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