CrossFit Games Website is an excellent resource to gauge one's performance against an entire CrossFit community. Athlete individual pages are especially useful in determining the kinds of metrics required for a given level of performance. What the CrossFit Games website lacks are a rudimentary set of statistics, most notably the percentile -- as opposed to ordinal rank -- of an athletes' performance for a given Open Workout. Presented here, among other things, are said percentiles.
This interactive website contains the 2017 CrossFit Games Open workout statistics available to date. Example: