Calvin’s Challenge 100 mile
Calendar Team2024-02-06T14:29:35-08:003 categories; drafting starts at 11am. Non-drafting starts at 1200pm. Team drafting teams of 2-8 riders starts at 11am. https://www.bikereg.com/calvins-challenge-2024
3 categories; drafting starts at 11am. Non-drafting starts at 1200pm. Team drafting teams of 2-8 riders starts at 11am. https://www.bikereg.com/calvins-challenge-2024
3 categories; Drafting starts at 0710. Non-drafting (RAAM Qualifier) starts at 0710. 24-hour team drafting. Teams of 2-8 riders. Age group, Gender, bike type awards. https://www.bikereg.com/calvins-challenge-2024
3 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-2024
3 categories; drafting begins at 0700 & non-drafting begins at 1200pm. 6-hour team drafting. Teams of 2-8 riders. Age group, Gender, bike type awards.
CroUltra is the first 24-hour road cycling marathon in Croatia. It is suitable for anyone who wants to test their endurance and check how many kilometers they can cover in 24 hours. At the same time, the 6th and 12th hour marathons are held.Enter Croultra as a solo, 2 person team or 4 person team!