The Prom Backyard UltraEvery hour, on the hour, youll run a 6. 7km loop along the Sea Point Prom. Finish the loop in under an hour and you get to start the next one. Miss a start and youre out. The last runner to complete a full loop wins. Just showing up until you cant. The Format Loop: 6. 7 km Promenade loop Start: Every hour on the hour Cutoff: You must finish the loop within the hour to start the next one Winner: Last person to complete a full loop solo Come prepared.