1. More details on the breaking 4 with Nike and Faith Kipyegon

https://www.youtube.com/watch?v=5dPBFCiMit4

- Dr. Andy Jones it started on this18 months ago

- Faith's 4:07 was run in Monaco - had pacers but only for 800 (for 1) and approx 1000 for the other.

- Aerobic capacity (sprint) and anaerobic capacity (distance)

- Critical speed

- Pacing and Drafting

- Even pacing

- Ideal conditions - Low altitude - no breaze - cool.

- Track - Paris track is where she set her WR in the 1500m

- Timing - Morning provides cooler temperatures but circadian rhythm would suggest late afternoon.

- priming / warm-up

- Bicarb

- Shoes

- clothing

- lights on the track

- resilience - measure of fatigue resistance (how does you v02 max, lactate threshold, and running economy) -supershoes helps your resilience.

a. 9 Half marathons so unique you will want to book a plane ticket tonight:

https://www.therunningweek.com/post/9-half-marathons-so-unique-youll-want-to-book-a-plane-ticket-tonight

c. Recent Track and Field races

- Diamond League :

a. Deatrice Chebet 8:11 for 3K (second fastest time ever) - The WR is 8:06 from 1993 (Wang Junxia of China - Doping allegations).

b. Jonah Koech (USA) won the 1500M - Who? He ran a 7 second personal best (3:31)

c. Femka Bol - won 400M hurdles 52.46 (Syndey - 52.07 in Miami)

d. on a side note - I saw that Fred Kerley (yes the Fred that allegedly punched his GF in the face) - finished 3rd in the 100 and 200.

https://www.letsrun.com/news/2025/05/2025-rabat-diamond-league-beatrice-chebet-811-3k-american-jonah-koech-runs-331-to-win-1500/

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