Every athlete in the world aspires to hold some sort of record within their sport, but some are more difficult to break than others.

New England Patriots quarterback Tom Brady knows all about holding and breaking records after he broke the NFL’s all-time record for touchdown passes this weekend.

Brady now has 582 touchdown passes, surpassing the previous record of 579, held by retired legend Peyton Manning.

The common phrase ‘records are there to be broken’ is often thrown about in many sports, but some records are simply too difficult to reach.

We’ve taken a look at some which may never be broken.