On April 26, a 30-year-old Kenyan shattered the two-hour marathon barrier. Legally. Here's how one runner and a pair of shoes did what nobody else had.
Marathons
4 · all sub-2:03
Sawe started out steady, nothing wild. At kilometer thirty-three, he made his move.
02 · The race, dragged
Drag the marker. Below the dashed line is faster than two-hour pace. Above is behind. Watch the move begin at kilometer thirty-three.
SLOWER 2:00:00 PACE · 2:50.6 / KM FASTER
Drag to scrub the race
Cumulative time
0:00:00
on the clock
Pace at this kilometer
—
vs 2:50.6 (sub-2 pace)
Where he was
at the start line
First half
60:29
~13 sec slower than 2:00 pace
Second half
59:01
faster than the U.S. half-marathon record
Final 5K
13:42
2:44.4 per km · he sped up
24th mile
4:12
fastest single mile in marathon history
Adidas Adizero Adios Pro Evo 3. Tap any part.
01
Lightlock upper
Made from kite-sail synthetic. Locks the foot in without adding weight.
22 g
02
Lightstrike Pro Evo foam
Supercritical compound. Fifty percent lighter than before. Every step, you get 84% of your energy back.
52 g
03
ENERGYRIM carbon
Instead of running through the shoe, carbon frames the perimeter. Stiffens the lever, lets foam compress in the middle.
14 g
04
Continental rubber outsole
Rubber only up front. The heel lacks tread. Saving every gram counts on race day.
9 g
Weight breakdown · per shoe (UK 8.5)
FOAM 52g
UPPER 22g
RIM 14g
OUT 9g
Total: 97 grams
21 kilometres an hour.
For two hours straight.
A Lime scooter caps at 24. Sawe held 21 for the length of a marathon.
* Bolt's pace is the average over his 9.58-second 100m world record. Try sustaining it for 9.58 seconds, never mind two hours.
05 · What changed
Between Dennis Kimetto's 2014 pre-super-shoe record and Sawe's in 2026, marathon times improved by almost 3%. The mile? Zero. 1500 meters? Zero again. 800 meters? Nothing. Something other than human progress made the difference.
If every record holder raced together, the moment Sawe finished in London, the rest were still on the course.
Same twelve years. The track records were just stuck.
2017
Monza, Italy
Didn't count
2:00:25
Eliud KipchogeRotating pacers, drinks car. Nike's Breaking2.
2019
Vienna Prater
Didn't count
1:59:40
Eliud KipchogeLaser pacers, hydration car. Nike's INEOS 1:59.
2023
Chicago Marathon
Counted
2:00:35
Kelvin KiptumHis third marathon ever. World record. Everyone said he'd be the first sub-2.
2024
Eldoret-Kaptagat road, Kenya
In memory
†
Kelvin KiptumKilled in a car crash. He was 24. His coach died with him.
2026
London Marathon
Counted
1:59:30
Sabastian SaweAdidas Adios Pro Evo 3. Dedicated the run to Kiptum.
The shoe that broke two hours? Not for most people.
$500
Retail price for the Adios Pro Evo 3.
17,000
Pairs in the world on race morning.
2 min
All sold out online, just like that.
$5,500
Highest resale, a day later.
100 km
Race-day lifespan. Three marathons and the foam's dead.
64%
Of the 2025 Chicago Marathon field wore carbon-plated shoes. Pre-2017, almost nobody.
Whatever else this record is, it's also this.
Sitting with that tension. It hurts. But honestly, that's the messy truth of being a fan in 2026.
Mario Fraioli · Morning Shakeout, Issue 546
— end —
The Data Drop
Join the crowd who get the next one first.
Sources & Credits
Splits. Sawe's splits come from official London Marathon timing and Olympics.com, April 26, 2026. Not every segment got published. We plotted the ones that did: 5K, 10K, 15K, half, 30K, 35K, finish. Late-race paces (13:54, 13:42) and the final 2.195 km (5:51) are from CITIUS Mag's recap.
Marathon and track world records pulled from World Athletics, May 2, 2026.
Shoe efficiency. The "4% boost" comes from Hoogkamer et al., Sports Medicine, 2018 (PMC5856879, CC BY 4.0). Real-world proof across half a million Strava runners: Quealy and Katz, The New York Times, 2018.
Shoe specs. Adidas press, April 23 and April 26, 2026.
Photos. Adidas press CDN under editorial license. Sawe 2025 Berlin portrait: Wikimedia Commons (Leonhard Lenz). Kiptum 2023 Chicago: Wikimedia Commons. Podium: World Marathon Majors.
Mario Fraioli's quote is from Morning Shakeout, Issue 546.
We didn't interview Sawe, Adidas, Patrick Sang, or anyone for this. Every quote and stat is from public reporting. Spot an error? Email akash@sheets.works and we'll fix it.
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