[1][2] Digger Crown was trained by Swedish champion trainer Stig H. Johansson and competed at a high level for nine years, 2000–2008.
[3][5] Digger Crown made his first attempt to win major Italian event Gran Premio della Lotteria in May 2004, but was disqualified in the elimination.
The trotter won both an elimination and the final as heavy favourite, giving Johansson a fourth win in the prestigious event.
[7] Trainer Johansson and the horse's owner accepted, and Digger Crown made his one and only start in his home tracks biggest race.
In Prix Rene Balliere, raced over 2,100 meters (≈11⁄3 mile) at Vincennes, Paris, he finished sixth in 1:10.5 (km rate), a time that was to be the stallion's best mark of his entire career.
[3] After failing to defend his title in Gran Premio della Lotteria, Digger Crown won his second Sweden Cup at Solvalla, narrowly beating Finnish Passionate Kemp.
In Gran Premio Citta' di Montecatini in Italy, he and Adielsson won an elimination heat, but was disqualified in the final.
The latter would prove to be Digger Crown's last race, and it meant a repeat of his kilometer rate record mark 1:10.5, but this time over a shorter distance, one mile.
Digger Crown was by that time still troubled by the injury in the splint bone of his right rear leg he had suffered in the previous summer.
[3] Shortly after the decision to retire Digger Crown was official, it was reported that he would move to a stud farm in Italy.
When Swedish king Carl XVI Gustaf and Queen Silvia visited Italy in late March 2009, they received framed photographs from Vasco Errani, president of the region Emilia-Romagna, where Bologna is situated.