Hello there!
It stops because your browser starts to lag greatly, that lag may take more than 10 seconds for data to appear.
There is an easy solution just to hide listings from website -- so the browser won't have to render them and cause such lag. You have to use either CSS live editor like Stylebot / Stylizer or Tampermonkey to temporarily hide listing items from screen (but not from DOM tree, as the data is being actually loaded).
The CSS code to hide all listings from screen:
div.grid__item {display:none!important;}
Now to the actual sitemap. It seems you've missed the most important part -- Link selector to go through listings to pick Phone and Website, I've fixed it for you.
Your sitemap:
{"_id":"studios-fix","startUrl":["https://qualitrain.net/studios/jobs/?fwp_categories=krafttraining"],"selectors":[{"id":"card","type":"SelectorElementClick","parentSelectors":["_root"],"selector":"div.grid__item","multiple":true,"delay":"2000","clickElementSelector":"button.fwp-load-more","clickType":"clickMore","discardInitialElements":true,"clickElementUniquenessType":"uniqueText"},{"id":"Links","type":"SelectorLink","parentSelectors":["card"],"selector":"a","multiple":true,"delay":0},{"id":"Phone","type":"SelectorText","parentSelectors":["Links"],"selector":"a.listing-contact.listing--phone","multiple":false,"regex":"","delay":0},{"id":"Website","type":"SelectorText","parentSelectors":["Links"],"selector":"a.listing-contact.listing--website","multiple":false,"regex":"","delay":0}]}