There were such events included in archery, athletics, equestrian, fencing, judo at the 2010 Summer Youth Olympics, modern pentathlon, table tennis, and triathlon, and a number of pairs in doubles tennis were formed by athletes from two different NOCs.
There were such events included in archery, athletics, equestrian, fencing, judo at the 2010 Summer Youth Olympics, modern pentathlon, table tennis, and triathlon. A number of pairs in doubles tennis were formed by athletes from two different NOCs.