plˈætɪnəm, ɡˈoʊld, sˈɪlvɚɹ ænd bɹˈɑːnz dˌɛzɪɡnˈeɪʃənz ɑːɹ bˈeɪst ˌɔn pɚfˈoːɹməns ɪn sˈɛvɹəl ɹˈeɪsᵻz, ɹˈɛlətˌɪv tʊ ˈiːtʃ ɹˈeɪsɚz ˈeɪdʒ, dʒˈɛndɚɹ ænd ɐbˈɪləɾi ɡɹˈuːp.
Platinum, Gold, Silver and Bronze designations are based on performance in several races, relative to each racer's age, gender and ability group.