BIG10 is a 10 km race in Rotterdam held on the RWC AHOY cycling track, designed for fast times. The course is flat, car-free, and certified by World Athletics and the Atletiekunie, ensuring an accurately measured route. Hardloopnetwerk and BIG SERIES organize the event, with Nike and All4running as partners.
The race is divided into four heats based on target finish times, each supported by pacers. The field is limited to 1,500 participants for a more controlled environment. It is suitable for runners aiming for personal bests, from those seeking to finish under an hour to elite athletes targeting faster times. Men finishing under 30:00 and women under 33:30 qualify for free elite entry. The start is at Landscheiding 101 in Rotterdam, offering parking, first aid, and an AED.