Drafting etiquette question

I once did the 2 – mile Newport Beach Pier to Pier with a good friend of mine that had lifeguarded there many years before. I intentionally drafted him for about 1.5 miles but put my move on him with about half mile to go, I rounded the last course buoy about three body lengths ahead of him, however he had the last laugh as the finish flag was at about 45 degree north angle from the last buoy, I swam for the finishing flag but he cut a 90 degree angle and headed straight into the beach and the ran the 75 yards north along the beach and finished ahead of me. Running is faster then swimming. As the rule was to round that last buoy there was no rule against running to the finish, so another lesson learned. The reason I mention this last night I did a local race in Denver, it was 2 – mile event that was on a ½ mile loop that forces the competitors to exit and enter the water on each loop, so you end up walking/running a few yards on the beach each loop. This was the fourth time this summer I had done this swim. With me last night was one of my master’s team mates who is one of the strongest milers in the nation in her age group and a excellent drafter in practice. On the second loop she was drafting me well, even as I weaved my way through a bunch of swim/run participants that started ahead of us. I felt I needed to break her draft or she would be with me to the end, so on my second beach exit and entry I ran about 50 yards down the beach (again no rule against it) before re-entering the water to cut my distance to the first course buoy and stepped it up on the tempo and broke the draft. As they say in NASCAR, it’s just racing.

I once did the 2 – mile Newport Beach Pier to Pier with a good friend of mine that had lifeguarded there many years before. I intentionally drafted him for about 1.5 miles but put my move on him with about half mile to go, I rounded the last course buoy about three body lengths ahead of him, however he had the last laugh as the finish flag was at about 45 degree north angle from the last buoy, I swam for the finishing flag but he cut a 90 degree angle and headed straight into the beach and the ran the 75 yards north along the beach and finished ahead of me. Running is faster then swimming. As the rule was to round that last buoy there was no rule against running to the finish, so another lesson learned. The reason I mention this last night I did a local race in Denver, it was 2 – mile event that was on a ½ mile loop that forces the competitors to exit and enter the water on each loop, so you end up walking/running a few yards on the beach each loop. This was the fourth time this summer I had done this swim. With me last night was one of my master’s team mates who is one of the strongest milers in the nation in her age group and a excellent drafter in practice. On the second loop she was drafting me well, even as I weaved my way through a bunch of swim/run participants that started ahead of us. I felt I needed to break her draft or she would be with me to the end, so on my second beach exit and entry I ran about 50 yards down the beach (again no rule against it) before re-entering the water to cut my distance to the first course buoy and stepped it up on the tempo and broke the draft. As they say in NASCAR, it’s just racing.