This root form (lemma) is used in 2 different forms in the NT: ἀθλήσῃ (SAA3··S), ἀθλῇ (SPA3··S).
It is glossed in 2 different ways: ‘may_be competing’, ‘he may compete’.
OET 2TIM 2:5 Greek word=ἀθλῇ (athlaʸ) Morphology=SPA3··S English gloss=‘may_be competing’ SR GNT 2TIM 2:5 word 4
OET 2TIM 2:5 Greek word=ἀθλήσῃ (athlaʸsaʸ) Morphology=SAA3··S English gloss=‘he may compete’ SR GNT 2TIM 2:5 word 11