Athletics lets you perform feats of strength, such as lifting heavy weights, climbing, jumping long distances, and swimming.
Modifying ability: Strength
Classes: Anointed Knight, Arcane Trickster, Assassin, Bard, Barbarian, Battlerager, Bear Warrior, Bladesinger, Breach Gnome, Cavestalker, Commoner, Daggerspell Mage, Darkfire Disciple, Deathsinger, Divine Champion, Divine Seeker, Dread Pirate, Drunken Master, Duelist, Eldritch Knight, Favored Soul, Fighter, Fist of the Forest, Frenzied Berserker, Ghost-Faced Killer, Guild Thief, Harper Agent, Harper Scout, Invisible Blade, Man-at-Arms, Monk, Phantom, Ranger, Rogue, Sacred Fist, Sarol'Veldruk, Shadowdancer, Stormsinger, Swashbuckler, Tempest, Thayan Knight, Thief Acrobat, Warlock, Warrior of Darkness, Whirling Dervish, Wilderness Stalker.
Requires training: No
Check: You can jump a number of feet equal to the DC. For example, to jump 5 feet, you must succeed at a DC5 Athletics check.
Use: Automatic.
Special
Halflings have a +2 bonus on Athletics checks because halflings are agile and surefooted.
If you have the Athletic feat, you get a +2 bonus on Athletics checks
If you have 5 or more ranks in Acrobatics, you get a +2 bonus on Acrobatics.