I have two setups, one is copying about 50GB of data and the other is 300GB. Both to different nextcloud accounts. The conf is from the 300GB one.
Added info;
rclone.conf
[mbs]
type = webdav
url = http://192.168.0.1/remote.php/webdav/
vendor = nextcloud
user = xxxxxxxx
pass = xxxxxxxxxxxxxxxxxxxxxxxxxx
I have run with -vv and here is the zipped log file. Only a partial run though, maybe six minutes.