Kartodromo Premium. This is the biggest recreational karting track in Rio (1.6 km/1 mile). Group parties are accepted. If you're solo, you can enter in a cup against other members of the public. Av Ayrton Senna 3010, Barra da Tijuca, Rio de Janeiro, 22775–005. 021/2431–9373 or 021/9995–3535. www.kartodromopremium.com.br. R$45 weekdays, R$49 weekends and holidays. Daily 5 pm–midnight.