[5] Invincible Spirit made his racecourse debut on 11 July 1999 in a six-furlong maiden race at Haydock Park.
Despite a slow start, he finished the race in third place, behind the winner Trouble Mountain and the second-placed Shinbone Alley.
Starting as the favourite, he positioned himself towards the rear initially but made a strong move through the field to take the lead with one furlong remaining.
[7] On 30 August, Invincible Spirit competed in the Ripon Champion Two Years Old Trophy, a Listed race over six furlongs.
Invincible Spirit did make some progress in the penultimate furlong, but finished last of the six runners, about four and three quarter lengths behind winner Primo Valentino.
He was ridden for the first time by Pat Eddery, and after being at the rear of the field he could not get a clear run through in the home straight, finishing in fourth place behind winner Warningford.
[11] Invincible Spirit started the 2001 season on 4 May, in the Leicestershire Stakes, where he could not reach the leaders and finished fourth behind Warningford.
[15] On 26 August, Invincible Spirit raced outside the United Kingdom for the first time, when he contested the Prix de Meautry.
[16] Invincible Spirit's final race start as a four-year-old came in the MacDonagh Boland Stakes, which took place on 15 September.
[17] Invincible Spirit started his five-year-old season by finishing fourth in the Abernant Stakes, a race that was won by Reel Buddy.
After being held up, Invincible Spirit could not get a clear run until the final furlong, when he ran on finishing two lengths behind the winner.
In a close finish, Invincible Spirit took the lead with about 75 yards left to run and won the race by a neck from Mugharreb, with Lady Dominatrix third and Orientor fourth.
[19] On 3 June he raced over the minimum distance of five furlongs for the only time in his career, when he took part in the Temple Stakes at Sandown Park.
[21] Invincible Spirit's final race was the Sprint Cup at Haydock Park, where he was ridden by John Carroll.