Trans women are women. And I will continue to treat them as such. But if we do not discriminate within competitive sports, most disciplines will be for men only. Because sexual dimorphism. Not good. So we have a league for women, that let most women compete for their medals and titles independent of the mens’ results. Much better. Not perfect, better. Are there enough for a third category? A fourth? Life sucks.
But you don’t have to care about winning over others. You can get on your bike and compete against your previous times. And you will probably do so in mixed company. In casual races, all competitors are often despatched together.
Or if you really want to compete, even though you don’t fit into the boxes neatly, try equestrian sports. The boxes are much roomier. The saddles are also much more comfortable, and your sex and gender does not matter.