ˈaɪəwə spˈiːdweɪ dɪdnˌɑːt hˈoʊst ɐn ˈɪndi kˈɑːɹ, nˈæskɑːɹ ˈɛksfˈɪnᵻɾi sˈɪɹiz ɔːɹ nˈæskɑːɹ kˈæmpɪŋ wˈɜːld tɹˈʌk sˈɪɹiz ɹˈeɪs ɪn ðɛɹ tˈuː θˈaʊzənd twˈɛnti wˈʌn sˈiːzənz, bˌʌt dˈɪd hˈoʊst ðɪ ˈɑːɹkə mˈɛnɑːɹdz sˈɪɹiz.
Iowa Speedway did not host an IndyCar, NASCAR Xfinity Series or NASCAR Camping World Truck Series race in their 2021 seasons, but did host the ARCA Menards Series.