Calvin’s Challenge 100 mile
Springfield, OH Springfiled3 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-2025
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All Day
Calvin’s Challenge 24 hour
Springfield, OH Springfiled3 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-2025
Ongoing
European Championships Solo supported @ Race Around Niederoesterreich 2025
Weitra (Austria) Rathausplatz 1, WeitraWelcome to Austria! RAN is an Ultra Race around Austrias largest region, called Niederoesterreich. The „classic course“ is 600km long and has 6.000m of altidude gain. In 2025 - beside the classic RAN - there will be also an 750km „champioship course“ for the European Championships, which is made of the classic 600km plus an additional 150km loop with 1.700m of altidude gain. Cycling through forrests, wineyards, cornfield, mountains and valleys and along rivers, following an absolut wonderful course. With up to 200 entries it is one of the largest Ultra-Cycling-Races worldwide. Full Live-coverage with 6 cameras. Also a qualifier […]
$430.00
Calvin’s Challenge 6 hour
Springfield, OH Springfiled3 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. https://www.bikereg.com/calvins-challenge-2025
Calvin’s Challenge 12 hour
Springfield, OH Springfiled3 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
