Collegian admitted super spikes make HUGE difference

Sounds like everyone better go out and get some super spikes and super shoes if they wish to remain competitive!

Highly doubt that it's "at least 4 seconds over 1500m." If that were the case, the times being run this year would be much faster.

Yes, studies have shown that runners with poor running economy benefit more from supershoes than runners with better running economy.

This sample size of one comparison shows that the Dragonfly is pretty close to the Alphafly in terms of running economy. Note that the baseline is the Hyperspeed flat, not a spike. But it blows away the notion that many here try to promote that "Sure supershoes work, but superspikes have too little foam to matter/are the same as old spikes/don't have even half the benefit" etc., etc.

4 seconds is FAR, FAR too much for a 1500m. Shoot, even 2 seconds is too much, from a statistical analysis. Think about it.... It would mean every top tier pro miler has actually SLOWED since the supershoes were implemented. Even 1 second doesn't make sense, statistically. And it also means Mo Farah was a 3:24-3:26 guy....

As to your final point, well of course. This is well documented, and not via some 2nd hand uncited 'he said'.

Right. My 3:07 marathon pr with regular shoes is still a 3:07 marathon pr before after super shoes. What a farce

What do you think Olli Hoare could run a 1500 in, in these shoes?

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Why was Keino's 3:34.9 AT END OF 1968 Mexico City Olympics BY FAR is personal best?

I referenced the 4 second rule for sub elites with form flaws.

Certainly things to mull over.........Mulva?

In 2019, the D1 mile NCAA qualifying list shows #34 was 3:59.9. In 2022, 3:57.0 So more like three seconds.

Interesting.

Does anyone maintain 2 sets of PR's?

You know what I mean.

Assuming the 2019 spike was inferior in technology to the super spike being produced now.........yes?

Dragonflys were not widely available yet. For further reference, 2017 #34 was 4:00.49

I am a collegian, I do not think they make that big of a deal, maybe 1 second but they're just good spikes.

But you can't use that, because it doesn't fit your narrative. You're talking about one person's opinion and not any studies or concrete evidence.

But do they propel you/thrust you forward (and up) in ways the old school spikes never could? Is there less stress on the driving muscles of the calf & lower leg? How about some specifics....not generalizations.

Can you cruise along at 62 second pace, which you couldn't do in old school spikes?

Anyone?

I would say there are a bunch of extra collegians in 2022 that wouldn't be there if not for Covid rule changes. So I would say we can't make any tried and true number quite yet, but it is probably more like 2 seconds for a 1500/Mile.

Possibly. Time will tell.

There are numerous reasons the times are faster. To chalk improvement up to a single factor is disingenuous

1st, as you wrote above, there is less fatigue on muscles in training and racing. This leads to faster recovery times and more workouts and less injuries. Legal doping in a sense.

2nd, COVID. Lots of guys went all in on training, while others stayed in school another year (or two!).

3rd, better races.

4th, possible race performance improvement from spikes.

5th, Olympics and world champ years meant guys were chasing qualifiers.

I would argue the 4th point is the least important here, but deserves more exploration.

Have you ever even worn the spikes? Try them and say that they "catapult you forward" with a straight face.

I have run in an early model (pre Vaporfly) plated shoe (road shoe) and definitely noticed a catapult effect in them. And I am saying this with a straight face.

Would it be better to put Olli Hoare in a 1971 adidas Titan and see if he could beat Marty Liquori? Should Olli Hoare run 1 race in the 1971 adidas Titan as a PPV event?

Notice that I said "spikes". Of course the road shoes are better. They're a complete departure from conventional road racing shoe design, which gives them that catapult effect. Again, try the spikes.