I think it will be more physically challenging and we 'll have to go up against more diverse situations due to the terrain , " said Dr. Michael Stroud , a veteran Eco-Challenge participant .
<response> I think it will be more physically challenging and we 'll have to go up against more diverse situations due to the terrain , " said Dr. <person>Michael Stroud</person> , a veteran <misc>Eco-Challenge</misc> participant . </response>