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In view of the current COVID-19 situation, the Craze Ultra will not take place in 2020.  
We hope to have it in 2021.  
Do stay tuned here or via our Facebook page
Congratulations to all Nuts of Craze Ultra 2019
Click HERE to view Results / E-Cert


CRAZE ULTRA 2021 (9th edition)
Date: 9 Oct - 10 Oct 2021 (To Be Confirmed)
Start: From 7am Saturday 9 Oct 2021
Finish: By 7am Sunday 10 Oct 2021
Time Limit: up to 24hrs (cutoff by 7am on Sunday)
Venue: MacRitchie Reservoir, Singapore
Distances: 100km/72km/55km/45km/Mini Nuts 27km





The 101km of the Craze Ultra 2020 is a  qualifying race for the 2022 Western States 100 Miles Endurance Run (only 100km finishers under 22 hours will qualify)