Berlin Marathon return flights (EasyJet Berlin Schoenefeld to London Gatwick on Sept 30th) !

I have two one-way tickets on EasyJet Berlin Schoenefeld to London Gatwick. Dep 30 September 2012 18:30 Arr 30 September 2012 19:25 Going to the marathon, but am travelling on from Berlin instead of returning to Gatwick. Paid 160gbp for both tickets, including 1 checked bag. Subject to a 35gbp name change (per ticket, I believe). Offers accepted.