Slo12 Ultra 2023
The race starts in town of Dobrovnik on North-East of Slovenia, by the border with Hungary. The race route is a flat 11km loop through two municipalities, Dobrovnik and Turnisce.
Race Type: 12 Hour
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Mid Atlantic Ultra 12, 2023
We feature a non drafting 24 hour RAAM qualifier race and a drafting 12 hour race, along with a 100 Mile Race. A non competitive century ride is also an option for those looking to enjoy a more leisurely pace. The 26 mile loop will take you through rural areas of Beaufort County. We are located in the coastal region of North Carolina. This is an extremely flat course! It is the perfect venue for riders that are self supported. You are allowed to park your vehicle inside the secure "Bus" parking lot. This is what serves as the Start/Finish […]
Race Type: 12 Hour
Ring of Fire, 12hr TT, 2023
The Ring of Fire 12 features courses which begin and end at the Imperial River Company in Maupin, OR. You will NOT set mileage PRs at this event as the routes are not flat. These will test your overall skills as a rider with climbs, descents, cross winds, head winds and even some flats with tailwinds!
Race Type: 12 Hour
6/12/24 “World Time Trial Championship”, 12hr (2023)
A popular and highly competitive event, run in the flat desert east of San Diego, CA. The course runs on an 18mi, mostly-flat loop, changing to a shorter loop for the last portion of the available time. The event often fills, so registration as early as possible is advised. (Note, while the name of this event includes the wording as world championship, it is not sanctioned as such by WUCA and the bonus points associated with that status do not apply.)
Bike Sebring
Spring Lake 209 Spring Lake Rd., Sebring, Florida
Race Type: 12 Hour
Big Jay’s Ultra Cycling Challenge (12-hour) 2024
2162 125E in rural Mahomet 2162 125E, Mahomet, IL, United StatesFree 12H ultracycling race in Illinois
Free
MIDT 12 hr-Snejbjerg, Denmark
Snejbjerg , DenmarkWelcome to Midt24 2024 This is a new bike race in Central Jutland for anyone with passion for cycling. The race will take place the 3rd full weekend in June, the next time on June 15-16, 2024. The race starts on Saturday at 10am and ends 6, 12 or 24 hours later. You have 6, 12 or 24 hours at your disposal. How far you reach is entirely up to you.
Race Type: 12 Hour
Mid Atlantic Ultra 12, 2024
We feature a non drafting 24 hour RAAM qualifier race and a drafting 12 hour race, along with a 100 Mile Race. A non competitive century ride is also an option for those looking to enjoy a more leisurely pace. The 26 mile loop will take you through rural areas of Beaufort County. We are located in the coastal region of North Carolina. This is an extremely flat course! It is the perfect venue for riders that are self supported. You are allowed to park your vehicle inside the secure "Bus" parking lot. This is what serves as the Start/Finish […]
Race Type: 12 Hour
The Psycho 48 — 12hr TT
Bayboro, NC 340 Seawell Loop Rd, Bayboro, North CarolinaEastern North Carolina is world renowned for its flat, smooth, and quiet roads-A true rider's paradise. The Psycho course is a 35 mile loop; do as many or as few loops as you want.
6/12/24 “World Time Trial Championship”, 12hr (2024)
Borrego Springs Christmas Circle, Borrego Springs, CA, United StatesA popular and highly competitive event, run in the flat desert east of San Diego, CA. The course runs on an 18mi, mostly-flat loop, changing to a shorter loop for the last portion of the available time. The event often fills, so registration as early as possible is advised. (Note, while the name of this event includes the wording as world championship, it is not sanctioned as such by WUCA and the bonus points associated with that status do not apply.)
Bike Sebring 2025
Spring Lake 209 Spring Lake Rd., Sebring, FloridaBike Sebring is back! February 15th 7:00am-7:00pm. See https://www.bikesebring.com
Race Type: 12 Hour
Calvin’s Challenge 12 hour
Springfield, OH Springfiled, OH, United States3 categories; drafting begins at 0705. Non-drafting begins at 0705. 12-hour team drafting. Teams of 2-8 riders. Age group, Gender, bike type awards. https://www.bikereg.com/calvins-challenge-2025
Race Type: 12 Hour
CROULTRA 12hr 2025
Suitable for anyone who wants to test their endurance and check how many kilometers they can cover in 12 hours. At the same time, the 6 and 24 hour marathons are held.
