Hellen Obiri's first London Marathon ended 12 seconds short of a world record and three places higher up the podium than she had ever placed at the distance, the Kenyan crossing The Mall on Sunday in 2:15:53 to take second behind Tigst Assefa. The time was a 90-second personal best for Obiri, who had come into the race targeting a top-three finish on a course she had never raced before. With Joyciline Jepkosgei third in 2:16:50, the women's race produced three of the seven fastest performances ever run by a woman over 26.2 miles in a single afternoon, on a course that has now twice in successive years rewritten the women's-only world record.

Obiri's race plan, set by coach Laura Thweatt and the On Athletics Club staff in Boulder, was conservative through halfway and aggressive in the back half. The lead group of nine reached 21.1 kilometres in 67:48, a split that put the women on schedule for around 2:15:30 if the pace held, and Obiri sat patiently in the second row of runners through the Cutty Sark and out to Canary Wharf. She made her first decisive move at 30 kilometres, dropping all but Assefa, Jepkosgei and Megertu Alemu, and then reduced the lead pack to two with a sustained surge at 38 kilometres along The Embankment that broke Jepkosgei.

It was Assefa's response in the final kilometre that decided the race. The Ethiopian, who had run alongside Obiri stride for stride from 40 kilometres, lifted the pace as the runners passed under Admiralty Arch and accelerated again on Birdcage Walk, opening a gap that Obiri could not close. Assefa crossed in 2:15:41, taking back the women's-only world record from herself; Obiri finished in 2:15:53, a personal best by 90 seconds and faster than the women's-only world record had been four years ago. "To run 2:15 — it's incredible for me," Obiri said afterwards. "The faster half was horrible, so that was in my mind. I gave everything I had on the streets of London today."

The performance reinforces Obiri's claim to be the most versatile distance runner of her generation. The 36-year-old won her second Boston Marathon title in 2024 and her first New York City Marathon in 2023; she has world-championship golds at 5,000 metres and at the world cross-country championships, and now a personal best inside 2:16. She is the second-fastest woman in history at the marathon over a record-eligible course and the fastest in the field that can credibly claim to have a kick over 1500 metres at the end of a 42-kilometre race. Thweatt called it "a podium finish in London for someone who is still building this distance — there is more there."

Obiri now has roughly four months before her likely autumn target. Her management have not confirmed whether she will run Berlin in September or New York in November, but Thweatt indicated on Sunday evening that the team would take "a longer block, more rest, more strength" before the next marathon. The Kenyan also confirmed she would be on the start line of the World Athletics Championships marathon in Tokyo if selected by Athletics Kenya, although she stopped short of committing to the trials. For now, the headline performance of her career belongs to a race she lost — and to a London Marathon that produced two of the three fastest women's marathons ever run.