To provide a holder with which the relations among the physical characteristics of users, the variety of the topographies where exercises are carried out and the ring snowshoes for snow are made more adequate by utilizing simple and small means.

This device has sieve-like parts and holders of the user's shoes. The ring snowshoes for snow of a type constituted by front part holding means 10 arranged on plates 7, which are partly interlocked to pivotal moving shafts 9 in a transverse direction on the sieve-like parts and are pivotally moved, have positioning and adjusting means 3 capable of correcting the positions in the longitudinal directions of the shoes with respect to the sieve-like parts, especially their front ends 4a and/or the pivotal moving shafts 9.