DUBAI, United Arab Emirates (AP) — Arrogate showed his class again as he came from dead last out of the stalls to win the Dubai World Cup by an impressive 2 1/4 lengths on Saturday.

With the win, four-year-old Arrogate became the highest-earning racehorse ever, surpassing California Chrome, winner of the same race last year. Arrogate has grossed $17,084,600 for winning seven races out of eight in his career.

In the second richest horse race in the world at $10 million, run over dirt and 2,000 meters at Meydan Racecourse, Arrogate produced a powerful finish under jockey Mike Smith to beat Gun Runner and Neolithic in a 1-2-3 for the U.S.

The winning time was 2 minutes, 2.15 seconds – slower than the course record set by Chrome last year – but understandable given the soft conditions after a second straight day of rain and thunderstorms in Dubai.

Even halfway into the race, Arrogate was nowhere in the picture, but last year’s runner-up Mubtaahij was showing encouraging form as jockey Christophe Soumillon managed to settle near the rail from his wide draw of 14 out of 14.

Arrogate, the No. 1-rated racehorse in the world, started gaining momentum around the 800-meter mark and swept past more than half a dozen rivals before setting his sight on the leaders.

At the top of the straight, Smith was wide and finding a clear path, and coaxed Arrogate to hit top gear. With 200 remaining, he caught the leaders, and the result was never in doubt with the last 100 remaining.

A relieved Smith said: “The start, it just went wrong and was not what he was used to; he missed it and then found traffic. I thought that was it but this horse is…