Originally Posted by
logisnews
.... PS I seem to remember hearing of some sort of service that would help put together mileage runs or find good business-class fares...
There are multiple FT forums focused on your query that are probably the best resources for you
UA/Star Alliance: 2019 Consolidated Mileage/Status/Challenge Runs help needed
Mileage Run Discussion
Mileage Run Deals
Premium Fare Deals