I think that its called a Zogling from Spain. Its difficult as there were a number of designs that looked like that with the pilot basically sitting on a seat attached to the skid.
This type of Glider came under the heading Primary gliders as they had a glide ratio of less than 8:1. To give a reference, the glide ratio of a 767 without power is 12:1 so you are not going to go very far.