Jacob Kiplimo

The Chicago Marathon goes Sunday on a course that has produced a world record or an American record every year since 2022. Defending champions Jacob Kiplimo and Hawi Feysa return, and multiple men in the field have openly said they’re chasing Conner Mantz’s American record.

The weather: 59°F with a 54°F dew point at 7 a.m. local, rising to 64°F and a 57°F dew point by 9. Manageable for the elites, warmer than ideal for records. The margin for error shrinks as the race goes on.

The men’s favorite: Kiplimo has a 2:00:28 PB from London — a minute faster than anyone else entered, and faster than Kiptum’s old world record, in a race he finished third. He’s skipped a tune-up this year after opening with a 58:29 half before winning Chicago in 2:02:23 last fall.

The women’s race: Brigid Kosgei returns to the site of her 2:14:04 world record for the first time since 2019, off a resurgent year — wins in Shanghai (2:16:36) and Tokyo (2:14:29), where she beat Feysa.

Plus: We unpack the intense races for top American on the men’s and women’s side.

How to Watch – TV: NBC5 Chicago and Telemundo Chicago; Streaming: NBC Sports NOW, NBC Chicago channel on Peacock

Full preview to come in the CITIUS MAG Newsletter. You can subscribe here.

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Chris Chavez, Kyle Merber, and Preet Majithia are back with lots to unpack, including two Diamond Leagues, a half marathon world record, a robot, a Rupp record, and breaking news at the end of the episode.

Discussed in this episode:

– Yomif Kejelcha, 56:51 half marathon world record, Buenos Aires: Cuts 21 seconds off Jacob Kiplimo’s 57:20 from Lisbon in March (note: the Lisbon run hasn’t been formally ratified yet either). Kejelcha’s splits: 13:45 through 5K, 27:19 through 10K (19 seconds off world record pace), then he turns it on: 13:22 for 10K-to-15K, closes the final kilometer in 2:32.

– Silesia men’s 1500m — Ethan Strand wins in 3:30, 11th to first: Cole Hocker third (3:31.17, first race since Pre Classic, seven weeks off), Jakob Ingebrigtsen fourth (3:31.19, ten days after winning the European 5K), Phanuel Koech second (3:31.14). Splits: 1:50.4 last 800, 54.3 last lap, 26.4 last 200 (13.2/13.2 for Ethan). Strand ran wide in lane two for much of the race, avoided the traffic that boxed Cole and Jakob, and had a clear line in the final 100.

– Jakob Ingebrigtsen’s return to the 1500: Ten days since Europeans. Ran to the front from 600 to go, accelerated sharply in 13.7 for that section, closed at a level that wasn’t far off Ethan.

– World Athletics Seb Coe Super Invites — Budapest 1500 expands to 13: Both Josh Kerr and Jakob Ingebrigtsen confirmed. World Athletics broke their own rule because the matchup was too good to keep from fans.

– Silesia women’s 1500m — Tsigie Duguma wins in 3:55.06 (world lead, PB): Goes from fifth to first in the final 100 meters with her trademark last-50 burst.

– Lausanne 5000m — Americans go 2-3-4: Birhanu Balew wins in 12:57. Parker Wolfe second in 12:58.2, Nico Young third in 12:58.3, Graham Blanks fourth in 12:59.16. Parker Wolfe is the best American 5K runner right now.

– Lausanne men’s 800m — Wanyonyi wins in 1:42, first DL 800 victory of the year: Marco Arop went through 400 in 49.1 — deliberately trying to set up a world record attempt (Rudisha’s split was 49.2).

– Lausanne women’s 800m — Audrey Werro wins in 1:55.33, Femke Bol second in 1:55.41: Femke sets a new Dutch national record (tying, then surpassing Ellen van Langen’s 1992 Olympic final mark).

– Silesia women’s 100m — Melissa Jefferson-Wooden wins, 10.78: Extends unbeaten 100m streak to 10 races.

– Rai Benjamin confirms the double at World Ultimate: Flat 400 on day one, 400H semis and final on days two and three.

– The robot: Lightning, a humanoid robot built by smartphone maker Honor, ran 9.32 at the World Humanoid Robot Games in Beijing — breaking Bolt’s world record of 9.58.

– Galen Rupp, 61:29 at the Antrim Coast Half Marathon: US 40+ record. Ninth place overall. Fastest half he’s run in six years.

– Looking ahead: Zurich Diamond League Thursday. Diamond League final in Brussels September 4-5. World Ultimate Championships September 11-13.

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This week, Chris Chavez, Mac Fleet, and Kyle Merber break down the biggest highlights from the LA Marathon, Jacob Kiplimo’s new half marathon world record, Fred Kerley’s suspension, the most anticipated events at the NCAA Indoor Championships this weekend, and lots more.

Discussed in today’s episode: 

- Nathan Martin closed out a heroic final sprint and big negative split to win the LA Marathon in 2:11:18, just 0.18 seconds ahead of runner-up Michael Kamau. He split 66:18-65:00 to reel in Kamau. 

- Jacob Kiplimo returned to the EDP Lisbon Half Marathon (the same course where he first made history in 2021) and broke the half marathon world record again with a 57:20 victory. He took 10 seconds off the previous record held by Yomif Kejelcha (57:30).

- The AIU announced 2x Olympic medalist and 2022 World champion Fred Kerley received a two-year ban for whereabouts failures, sidelining him through August 2027. Results from Dec. 6, 2024 – Aug. 12, 2025 have been disqualified.

- The most anticipated distance events at the NCAA Indoor Track and Field Championships this weekend.

+ More 

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Hosts: Chris Chavez | ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠@chris_j_chavez⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ + Mac Fleet | @macfleet + Kyle Merber | ⁠⁠@kylemerber⁠⁠

Produced by: Jasmine Fehr |⁠⁠⁠⁠⁠⁠⁠⁠⁠ ⁠⁠⁠@jasminefehr⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

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This week on The Running Story, Michael Doyle and Jessy Carveth break down the five biggest stories shaping the running world.

First up: Jacob Kiplimo runs 57:20 at the Lisbon Half Marathon, potentially reclaiming the half marathon world record pending ratification after last year’s controversy over pacing vehicles.

Next, Eliud Kipchoge announces he’ll run the Cape Town Marathon, marking the first time the marathon legend will race on African soil in a marathon — and possibly positioning him to become the first eight-star finisher if Cape Town becomes a World Marathon Major.

We also dive into two major LA Marathon controversies:

• A stunning 0.01-second finish after the race leader was misdirected off course near the finish

• A heated debate after runners who took a heat-relief shortcut at mile 18 were still awarded finisher medals.

Finally, the NYC Marathon lottery results are out — and the odds are tougher than ever, with around 1% of applicants accepted.

Join Chris Chavez, Aisha Praught-Leer and Eric Jenkins as they unpack all of the action at the 2026 World Cross Country Championships in Tallahassee.

Uganda’s Jacob Kiplimo continued his reign at the World Cross Country Championships, cruising to a third consecutive title in commanding fashion. Ethiopia’s Berihu Aregawi claimed silver for the third time in his career, while Kenya’s Daniel Simiu Ebenyo rounded out the podium with bronze.

In the women’s race, Agnes Ngetich delivered a statement performance, powering to victory to extend Kenya’s streak to 10 straight World Cross Country titles. The 10km world record holder broke clear early and won by 42 seconds, the second-largest winning margin in the history of the championships.

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