The Masters is a multi-round stroke-play championship, so a Thursday lead and a Sunday result are different stages of the same story. A viewer can follow the event by keeping the current-round score separate from the overall total and by using the official day's tee times rather than assuming the original groups remain together throughout.

Read the round number before the lead
An early clubhouse lead means a player has completed that day's work, not that the championship is over. Others may still be on the course, and later rounds remain. A strong opening provides a position from which to continue; it does not award a future result. Use the official leaderboard and the through column to compare players at different stages. A replay from an earlier day can show a legitimate lead that no longer describes the current event.
Follow the field after the cut
The championship's own conditions determine who continues into the later rounds. Use the official current rule and completed scoring rather than applying another tournament's cut line. Once the continuing field is settled, the new tee times organize the next day. A favourite player missing the cut will not have a later competitive round in the same event, although the actual service may retain earlier coverage. Event continuation and archive availability are separate facts.
Choose the coverage view you want
A main programme, featured groups and other official coverage selections can show different parts of the course and field. A featured group is not a promise to show every contender. If following one player is your priority, check the actual authorized options and schedule. A spectacular shot appearing on the main programme may be shown after it happened, so a replay graphic matters when comparing it with live scores. The event's own coverage information is the appropriate source.
Keep the final-round calculation simple
Compare the leader's total with the nearest completed or in-progress scores, then note holes remaining. Do not award hypothetical birdies on the closing stretch. A late change can come from either a successful shot or a mistake, and a tie can require the championship's playoff procedure. For a useful weekend note, record the official total at the end of each round and one change in the leading group. That creates a coherent four-round story without pretending an early highlight predicts the winner.
Useful answers
Does leading after the first round mean the Masters has been won?
No. It is an early position in a multi-round championship. The completed official result decides the winner.
Does a featured-group feed show every leader?
Not necessarily. It follows a selected group or coverage assignment. Check the actual official programme options.