Surrey's three-wicket win over Worcestershire saw them become county champions for the 20th time.
With 10 wins and two draws from their first 12 matches, Surrey have raced to the title with two games to spare.
Here, Press Association Sport assesses the numbers behind their remarkable campaign.
10 – Surrey have matched last year's champions Essex for number of wins with two games to spare. Another victory would see them equal Yorkshire's 2015 record of 11 (from 16 games) since the Championship split into two divisions.
5 – half of Surrey's victories have been by an innings.
50 – wickets taken by South African quick Morne Morkel. The 33-year-old's haul has come from eight matches since arriving as a Kolpak player, with a bowling average of 13.96.
1241 – runs scored by opener Rory Burns, at an average of 68.94. The left-hander has made 345 more runs than Hampshire's James Vince, the second-highest scorer in Division One this season.
36 – the age of veteran all-rounder Rikki Clarke, who has contributed 443 runs at 34.07 and 43 wickets at 20.72 after rejoining the county last year.
15 – Clarke also has the second highest number of catches by a non-wicketkeeper in Division One, with only Worcestershire's Daryl Mitchell (20) ahead of him.
199 – Burns and Ben Foakes put on Surrey's highest partnership of the season, for the fourth wicket against Hampshire.
592 – Surrey's second-innings total against Nottinghamshire at Trent Bridge is the highest team score in the County Championship this season.
4 – Burns has made more centuries than any other player in the top flight this term.
0 – knockout games played by Surrey in limited-overs cricket this season after they were eliminated from the group stage of both the Royal London One-Day Cup and the Vitality Blast.