↓ GUINESS WORLD ECORDS. CERTIFICATE The highest speed attained by a manned superconducting magnetically levitated (maglev) train is 581 km/h (361 mph) by the MLX01, opeated by the Cental Japan Railway Company and Railway Technical Reseach Institute on the Yamanashi Maglev Test LIne in Yamanashi, Japan on 2 Decembe 2003.