Details
| Name / Japanese | Arctos / アルクトス |
| Birth Year | 2015 |
| Sex | horse |
| Earnings | 299,643,000 yen |
| Races-Wins / G1-Wins | 24-10 / 9-2 |
| Sire | Admire Aura |
| Dam (Sire) | Hoshini Inorio (Symboli Kris S) |
| Other site link | JBIS / Umanity / netkeiba |
All G1 races + grade races in which he finished 3rd or higher
| Y D/M |
Track | Race | No. | Pl. |  / E |
|
| 2019 07/07 |
Chukyo D1400 |
Procyon Stakes (G3) | 10 | 1 | G | |
| 2019 14/10 |
Morioka D1600 |
Mile Championship Nambu Hai (G1) | 4 | 2 | G | |
| 2020 23/02 |
Tokyo D1600 |
February Stakes (G1) | 2 | 9 | ◆ | E |
| 2020 05/05 |
Funabashi D1600 |
Kashiwa Kinen (G1) | 3 | 4 | G | |
| 2020 12/10 |
Morioka D1600 |
Mile Championship Nambu Hai (G1) | 14 | 1 | ◆ | |
| 2020 06/12 |
Chukyo D1800 |
Champions Cup (G1) | 9 | 9 | ◆ | E |
| 2021 21/02 |
Tokyo D1600 |
February Stakes (G1) | 6 | 9 | ◆ | E |
| 2021 03/06 |
Urawa D1400 |
Sakitama Hai (G2) | 1 | 1 | ◆ | |
| 2021 11/10 |
Morioka D1600 |
Mile Championship Nambu Hai (G1) | 16 | 1 | ◆ | |
| 2022 20/02 |
Tokyo D1600 |
February Stakes (G1) | 4 | 7 | ◆ | E |
| 2022 10/10 |
Morioka D1600 |
Mile Championship Nambu Hai (G1) | 9 | 14 | ◆ | |
- He won the Procyon Stakes as a four-year-old and then finished 2nd in the Mile Championship Nambu Hai (2019).
- In the Mile Championship Nambu Hai (2020), he was the 6th favorite.
Arctos and Mozu Ascot battled long in the homestretch, before Arctos finished 1st by a neck.
It was his first G1 win.
He broke the Japanese record of 1600 meters on dirt held by Kurofune. - In the Mile Championship Nambu Hai (2021), he was the 1st favorite.
Although he started from the outermost gate, he showed a good run and won by 2+1/2 lengths.
He became the seventh horse since Copano Ricky to win the Nambu Hai in consecutive years. - He also ran the Mile Championship Nambu Hai (2022) but finished 14th.
He then retired and became a stallion the following year.