Back when I was doing my degree, I too found Pindar hard-going. The Lattimore version is OK ... actually I've translated a few Pythiians on this blog: eg https://medium.com/adams-notebook/pindars-3rd-pythian-horses-horses-horses-horses-horses-f092cbf7115d

https://medium.com/adams-notebook/pindar-pythian-2-93336c07a18d

https://medium.com/adams-notebook/talking-about-arch-g-g-g%C4%93tes-nation-pindar-s-fifth-pythian-bc01b48a3921