His biggest win to date was the 2011 Omloop Het Nieuwsblad with Rabobank where he beat Juan Antonio Flecha in a photofinish. On 17 August 2011, it was announced that Langeveld was joining Australian team GreenEDGE for its début season in 2012.[4] On 19 September 2013, Langeveld signed with Garmin–Sharp for the 2014 and 2015 seasons.[5][6][7][8]
^Beaudin, Matthew (24 September 2013). "Garmin set for dramatic overhaul in 2014". VeloNews. Retrieved 6 November 2013. New additions for next year include Nathan Brown (Bontrager), Phil Gaimon (Bissell), Ben King (RadioShack-Leopard), Sebastian Langeveld (Orica–GreenEdge), Dylan van Baarle (Rabobank Continental), Tom-Jelte Slagter (Belkin), Lasse Norman Hanson [sic] (Blue Water Cycling), and Andre Fernando Cardoso (Caja Rural–Seguros RGA).