First, everyone is different so don't compare yourself to others. A 90bpm resting rate seems a bit high based on your level of fitness but you may just have a genetically high resting rate. Same is true for maxHR. I'm 53 and my maxHR is 200bpm on the bike my resting is around 70bpm. My average runs around 160bpm when I am working out. As long as you have had a physical and your Dr is good with your HR just set your zones and work against them. That is why you use zones rather than absolutes
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The problem with the gene pool is that there is no lifeguard and the shallow end is much too large
2013 Noah RS