What are the odds of getting a place in the Great North Run as organisers announce extra places?

Great North Run organisers have announced they are increasing the number of entries to allow a record 60,000 runners to take part in this year’s event.

https://www.sunderlandecho.com/news/people/great-north-run-organisers-announce-record-60000-places-for-runners-but-what-are-the-odds-of-getting-a-place-1393276