nuclear-races.co.uk/event/blast-2021/ www.facebook.com/events/376981813219925/ youtu.be/EkzgkGUw2p8 HOW MANY 5K LAPS CAN YOU DO IN 2 HOURS? Nuclear Blast is a 5km obstacle loaded multi-lap course over mixed, muddy terrain suitable for all levels of fitness. Fun, exhilarating & achievable See more >