Dalilah Muhammad's world 400m hurdles record of 52.16 and Yaroslava Mahuchikh's world U20 high jump records of 2.02m and 2.04m, all set at the World Athletics Championships Doha 2019, have now been ratified, along with Joshua Cheptegei's world 10km record of 26:38* and Edward Cheserek's 5km world record-equalling run of 13:29.

Edward Cheserek equalled the world 5km record* of 13:29 when winning the Carlsbad 5000 on Sunday (7).

Donavan Brazier came a little closer to the sub-1:45 mark in the 800m, Edward Cheserek ran the second half of a remarkable two-day double, and Christian Coleman continued his utter domination of the US 60m season on Saturday (10) at the New Balance Indoor Grand Prix, the fourth stop on the IAAF World Indoor Tour.

Multiple NCAA champion Edward Cheserek produced the second-fastest indoor time in history, 3:49.44, to win the mile at the David Hemery Valentine Invitational in Boston on Friday (9).

Raven Saunders' world lead in the women's shot put and an unprecedented fourth title in the pentathlon by Kendell Williams highlighted the first day of action at the NCAA Division I Indoor Championships in College Station, Texas, on Friday (10).

Even if he missed out on adding to his own legacy by winning a fourth consecutive NCAA cross-country title last Saturday, Oregon student Edward Cheserek has already authored his own notable addition to the collegiate record books.

Jarrion Lawson and Donavan Brazier were the standout stars on the third day of the NCAA Championships in Eugene, Oregon on Friday (10), with both athletes carving their name into the history books alongside the greats.

Edward Cheserek added another title to the two he won yesterday after winning the 3000m on the second and final day of action at the NCAA Indoor Championships in Birmingham, Alabama, on Saturday (13).

Kenya’s Edward Cheserek created history on Saturday (21) as he became the first man to win the prestigious NCAA Cross Country Championships for three successive years.

Just two days into the NCAA Championships in Eugene, meeting records have been broken in two events while several others have withstood strong challenges.

University of Oregon’s Edward Cheserek played a starring role at the Penn Relays in Philadelphia, the 21-year-old Kenyan running a composed mile leg in the distance medley relay, at the end of which he kicked away from Villanova’s Jordan Williamsz to give Oregon their second consecutive title on Friday (24).

Here is the first of the IAAF website’s weekly round-ups of the major cross-country races around the world in the coming months, in addition to individual previews and reports of the IAAF Cross Country Permit meetings, as we begin the build-up towards the highlight of the winter, the 2015 IAAF World Cross Country Championships in Guiyang, China, on 28 March.