| Horsename: | Rainbow Blue |
| Sire: | Artiscape |
| Grandsire: | Artsplace |
| Dam: | Vesta Blue Chip |
| Damsire: | On The Road Again |
| Sex: | Mare |
| Foaled: | 2001 |
| Country: | United States |
| Colour: | Bay |
| Owner: | K And R Racing LLC (Kevin & Ron Fry), Teague Inc. |
| Record: | 32: 30-0-1 |
| Earnings: | $1,428,934 |
| Wins: | Fan Hanover Stakes (2004) Nadia Lobell Pace (2004) Matron Stakes (2004) Breeders Crown 3YO Filly Pace (2004) |
| Awards: | American Harness Horse of the Year (2004) United States Pacer of the Year (2004) United States 3-year-old Filly Pacer of the Year Canadian Harness Horse of the Year (2004) |
| Honors: | United States Harness Racing Hall of Fame (2012) |
Rainbow Blue was the 2004 American Harness Horse of the Year[1] as well as the Canadian Harness Horse of the Year.[2]
Racing at age two she won six or her seven starts including a division of the Debutante Stakes and the Molly Pitcher Pace.[3] The filly won 20 of the 21 races she entered in 2004. Her only loss came when she went off stride in the Mistletoe Shalee. Her victory highlights included the $543,543 Fan Hanover Stakes final, the $222,500 Nadia Lobell Pace final, the Matron Stakes[4] and the $610,000 Breeders Crown 3YO Filly Pace final. The bay filly is the daughter of Artiscape and Vesta Blue Chip. She retired with a lifetime mark of 1:49 2/5. Rainbow Blue was inducted into the United States Harness Racing Hall of Fame in 2012.[5]