$Darkhorse 5YxXvio26Mv2RfZEYMPVcStKRVMG7TTjcWJjYjjGpump Who will be the darkhorse of 2026 A dark horse is a previously lesser-known person, team or thing that emerges to prominence in a situation, especially in a competition involving multiple rivals,[1] that is unlikely to succeed but has a fighting chance,[2] unlike the underdog who is expected to lose.