SPORTS Mijatovic fastest ever American teen in 400m free - NBC Olympics Friday, July 31, 2026 Source Summary Mijatovic fastest ever American teen in 400m free NBC Olympics Advertisement Read Original Article → Related Dispatches [US] · Jul 31 Tucson Sugar Skulls ride second-half surge into playoff matchup with San Diego [US] · Jul 31 Burgess hits 200th try landmark to help Hull KR to victory over Bradford [US] · Jul 31 2026 NFL training camp: Latest news, intel for all 32 teams