1978: two-year-old season

Son of Love ran seven times as a two-year-old in 1978, showing little worthwhile form until the autumn. Having been raced over 1000 m and 1200m in the early part of the year, he was moved up in distance and won a nursery handicap (a handicap race restricted to two-year-olds) over 1700m at Longchamp Racecourse, conceding 11 pounds to the runner-up. He then contested the Prix Isonomy over 2000m at Évry Racecourse and won by half a length from Periculo Ludus. For his final appearance of the season, Son of Love was moved up in class for the Critérium de Saint-Cloud over 2000m on 20 November. The race resulted in a blanket finish, and although the colt finished sixth, he was beaten less than a lengths by the winner Callio.^[4]

1979: three-year-old season

In the spring of 1979, Son of Love contested several of the trial races for the French Classic Races. He finished third in the Prix de Courcelles, second to High Sierra in the Prix Noailles over 2200m at Longchamp in April and fourth to Le Marmot in the Prix Hocquart in May.^[3]

In June Son of Love was sent to England to contest the 200th running of the Epsom Derby. He started a 200/1 outsider and was never a factor in the race, finishing fifteenth behind Troy. Eighteen days later, the colt was moved up in distance for the Group One Grand Prix de Paris over 3000m at Longchamp. Starting at odds of 10/1 he was restrained at the back of the field by Lequeux and was still well adrift of the leaders on the final turn. In the closing stages he made rapid progress, but failed by a head to catch the odds-on favourite Soleil Noir. Son of Love continued to race in France in July and August: he finished second by a neck to Singapore Girl in the Prix Maurice de Nieuil at Saint-Cloud, second by half a length to the six-year-old Campero in the Prix Kergorlay at Deauville Racecourse and fourth behind First Prayer in the Grand Prix de Deauville. The last of these races was notable as it saw the British jockey Lester Piggott being suspended for "borrowing" another rider's whip when he dropped his own in the closing stages.^[3]

By the time he was sent to England again for the 203rd running of the St Leger at Doncaster Racecourse Son of Love had run ten times as a three-year-old without winning a race. Son of Love started at odds of 20/1 in a field of seventeen,^[5] with the betting being headed by Niniski, the winner of the Geoffrey Freer Stakes and Cracaval, who had recorded an upset win over Ile de Bourbon in the September Stakes. The most serious French challengers appeared to be Scorpio and Soleil Noir. Scorpio led the field into the straight, where he was overtaken by Niniski, with Stetchworth, Milford and Soleil Noir also moving forward. A furlong from the finish Soleil Noir took the lead and Son of Love, who had been making steady progress under a strong ride from Lequeux emerged as his only challenger. The two French colts drew away from the field, with Son of Love prevailing by a short head in a "driving finish".^[3]

For his two remaining races of the season Son of Love was sent to compete in North America. On October 27 he started the 31/1 outsider for the Turf Classic at Aqueduct Racetrack and finished fifth of the seven runners behind Bowl Game. Two weeks later he finished fourth in the Washington, D.C. International behind Bowl Game, Trillion and Le Marmot. It was reported that Son of Love would continue his racing career in the United States, but he returned to France at the end of the year.^[3]

Later career

Son of Love remained in training for two more years but had little success. His best performances came when finishing third in the Prix Exbury in 1980^[6] and second to Perrault in La Coupe in 1981.^[7]