If an external shot of Ice Cross racing wasn't enough to convince you that competitors have a death wish, this first-person footage will remove all doubt.
If you're unfamiliar with Ice Cross, competitors run down a luge-like course wearing ice skates. And the spectators are within arms reach; you can only appreciate how inconvenient and dangerous this is from this perspective!
It's unlikely that we'll be signing up to take part any time soon. Thankfully, there are plenty of willing adrenaline junkies who will take part in the Red Bull Crashed Ice series.