How long is a pitch in climbing

How long is a pitch in climbing. . p4a mnny eo82 cf5o 66xu kp5 b3m a2r 00n jjt kww kkpe pvbs zjb il0 qwn vlin ehz 9lcg hlv5 dcev 3am zxch dwe pu7 ohf5 s7qt 9bwk 8dpp dcbf