Online Registration

2018 ULTRA4 Rule Change

To Ultra4 Drivers, fans, and partners,

Open Letter to 2016 King of The Motos Participants

King of the Motos
Racers,

USAC Insurance for KOH 2016

USAC

USAC Racing Memberships for
ULTRA4, EMC, UTV & KOM Classes

Registration for all 2016 KOH Week Races Available Online!

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Online Registration for 2016 KOH Week is available online.
Register and pay by December 15th to pay the lowest entry fees of the season!

Backup Driver Allowed for Series-Committed Drivers of Record

Addendum to rulebook. Updated  3/2014

Drivers that have committed to racing either the Regional or Nitto National series may appoint 1 backup driver of record before the first series race.

ULTRA4 Series Registration Open for All 2015 Races

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New to racing in ULTRA4?

Want to Race the 2016 ULTRA4 Series?

If you're a new driver, please read through this information before heading to our online registration page at www.ultra4racing.com/races.

1. What class are you interested in racing in ULTRA4?
There are 7 classes racing at Western races and 6 classes racing in Eastern Races in the 2016 ULTRA4 Series.
Click here to read a brief description of each class

ULTRA4 Class Differences

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This is just a brief overview of the basic class differences that race in ULTRA4.

2014 KOH Tent Rentals

Just sending a quick reminder that this is the last weekend to rent a tent for KOH Week.Monday 1/6 is the cutoff for tent rentals. If you still need a tent, below are the links to order your tent online. The confirmed list of drivers who have already ordered a tent is also listed below.
Tent Rentals: 

IRC Sign Up for KOH Week 2014 - KOH, EMC, UTV

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