Athletically

adv. [f. prec. + -LY¹.] In athletic manner; in the direction of athletics.

1750.  Chatham, in Lady Chatterton, Mem. Gambier (1861), I. iii. 40. Don’t … fancy you can do all the Admirabilis and I do so athletically.

1883.  Times, 23 Jan., 6/2. Upper Boys [of Eton] … athletically inclined.