RoadItaly's Crippa broke clear at 39 km to win in 2:05:18; Demise took more than a minute off the women's record and the top four all beat it.
RoadEl Youssfi beat Morris by a second and Asayech Ayichew won the women's race in 50:37, as a record 20,079 finished Phil Stewart's last race as director.
UltraSteyn ran 3:27:43 for the 56 km in Cape Town, nearly six minutes clear, and Jantjies won in 3:09:25 after taking the lead near 50 km.
UltraEl Morabity beat his brother Rachid by nearly half an hour, Nakache won all six stages, and Linden was third woman in her first Marathon des Sables.
UltraAustin ran 6:34:01 on the Lake Wingra loops in Madison; Morrison took nine minutes off Camille Herron's course record with 7:17:01 in her first 100 km.
TrailSullivan ran 8:36:09 and Pascall 10:13:24 on the Lake Sonoma trails in Healdsburg, California; Britain's Simpson won the 50K in 3:39.
TrailThe Pole ran 17:56:25 for the 168 km across Croatia's Istrian peninsula; Oana of Romania was first woman in 21:36:12.
RoadAndrea Kiptoo won in 59:11 with his pacemaker alongside, Petros took nine seconds off his own mark, and Likina Amebaw won the women's race in 1:05:07.
TrackMohamed Abdilaahi's German record 26:56.58 beat Ky Robinson's Australian record 26:57.07 by half a second; Houlihan ran the year's fastest women's 10,000 m.
TrackKeely Hodgkinson set a championship record, Cooper Lutkenhaus became the youngest world indoor champion, and Hunter Bell and García won the 1500 m titles.
RoadPascaline Kibiwot ran 2:22:44 alone from 25 km; Asbel Rutto broke Henry Kichana with a kilometre to go to win in 2:06:32, two years after his first Rome win.
TrackKerr ran 7:35.56 to beat Cole Hocker by 0.14, Battocletti won Italy's first women's 3000 m gold, and Simon Ehammer scored 6,670 for a heptathlon world record.
TrailMurray ran 3:33:54, seventh on the course's all-time list, and Lee beat defending champion Jade Belzberg by nearly three minutes in Washington state.
UltraWith her Tenerife race cancelled by weather, Dauwalter flew to Tuscany and won in 11:31:55; Thomas Cardin ran 9:58:38, 70 seconds under Walmsley's 2025 time.
TrackAnthony ran a world-leading 6.41 on day one in Poland, Thompson and Bromell split silver and bronze by a thousandth, and the 800 m and 1500 m heats were run.
RoadFive men broke 2:04:36 from Gwanghwamun to the Olympic Stadium, and Haven Hailu Desse led an all-Ethiopian women's podium in 2:19:09.
RoadObiri ran 1:06:33 from Prospect Park to Central Park, Adriaan Wildschutt won the men's race in 59:30, and 30,229 people finished, the most in NYRR history.
RoadThe Ethiopian 10,000 m runner went through halfway in 65:05 in Barcelona and finished 57 seconds off the world record, taking nine minutes off the course best.
TrackThe BYU freshman ran 8:36.61 to win by seven seconds, Colin Sahlman got the men's 3000 m after a disqualification, and the hosts won a 22nd title.
UltraAlex Milne ran a European record 2:46:09 and Naomi Robinson 3:13:39 on ten laps of a 5 km city loop at a championship postponed from December.
XC258 student athletes from 27 countries raced at Cassino; Yeko took the men's 10 km in 30:27 and Arnoldo gave the hosts their first individual title.
TrailManuel Merillas won the Skyrunner World Series race in 2:31:54, 13 seconds off the record, and Sara Alonso set a women's course record of 3:00:43.
TrackBYU's Hedengren ran 15:00.12 in Fayetteville, Habtom Samuel took the men's 5000 m, and Northern Arizona won the distance medley on day one of NCAA Indoors.
TrackAt his own indoor meeting in Sweden he took four jumps, raised the bar 23 cm after 6.08 and went over first time, one centimetre above his Tokyo mark.