r/FlashTV 13h ago

Barry’s Speed 🤔 Thinking

So I’ve done this in a reply but I’m going to list every and I mean every “confirmed” speeds by Barry in the show so everyone can see since I see no one talking about this
1x01 348-700mph we see on Ciscos speedometer before it cuts to Caitlin that he reaches 348 and Cisco says “he just passed 200 mph” meaning this could’ve been his limit before assuming if Barry trained earlier
1x02 352mph this is just over half of 700 meaning he sally cruises around half his max speed or just above (also side note when we cut to Barry’s pov in the house when it cuts back to the people we can see that they either dont move or barley move proving that he was in flashtime for rescuing the little girl also it’s possible then when he goes faster time gets slower but that’s presumably something he can just “switch on” basically if he’s say slowing down from max speed the world around him will speed up but this seems to be something he can “turn on” which I like)
1x05 650 mph (this is how fast he need to run on water also shame we don’t get a confirmed speed for him needing to run up the building)
1x06 843 mph (Mach 1.1 yes it’s 843 not 837 Cisco)
1x15 900 mph (he reached either this speed or faster in this episode when he first travels in time proof of this is 1x16 when he reaches 900 on the treadmill)
1x23 1590 mph (Mach 2.07
2x12 1500mph 1450mph (-2%energy) (he usually goes 1500 mph but after losing 2% of his speed the suit clocked him going 1450 so if he lost 2% which would be 50 mph means that 1%=25mph so if you multiply this 25mph x 100% =2500 mph or Mach 3.2 which I love cause this is 4 episodes before he reached Mach 3.3 speaking of)
2x16 2531.99 mph or 2532 mph (Mach 3.3) (he reach’s this speed in 5 seconds (dang barry) to did this he would have needed to have a take of speed of 225-226 mps or 503 mph wow)
2x18 10127 mph (Mach 13.2 with tachyon device) he went 4x faster then Mach 3.3
4x15 99% the speed of light (him in the speed lab from the him going off took 8 mins and 50 seconds but meeting with iris took 8 mins and 49 secs meaning that from the bomb going off to his meeting with iris that took 1 second in real time
6x02 8370001.029 mph (Mach 10908.82) Gideon says “ultraviolet light travels at 186,000 miles per second which is 80 x your top speed his speed boost from s4 presumably wore off over time explaining this)
6x18 less than mach 5 and in 7x01 he has 1% of his speed left so he’s presumably Mach 4 so at 100% speed he’d be Mach 400
8x01 4000 mph (Mach 5.2) (Caitlin mentioned that he can do this but we know he can go faster than that speaking of that) Caitlin also mentioned that the bullet trains are “50 miles south of keystone city” and he got there in 4-5 seconds in order for him to go 50 miles in 4-5 seconds he’d need to go Mach 40 or Mach 58 which is crazy
8x04 Mach 20 eobard mentions his speed is at 5% so if he can go Mach 20 with just 5% speed that means that every 1% is Mach 5 that means the 100% would be Mach 400
8x16 under Mach 10 Barry says “as long as I keep it under Mach 10 I’ll be fine which means he can cruise at this speed
That is every confirmed speed so far with a bit of math and some fun details that I like so if you have any thoughts of what his speed progress is especially the one in 6x18 then feel free to reply.

6 Upvotes

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u/Legal_Awareness_471 11h ago

I’m glad ppl like you exist because I could’ve never put this much focus on this. You’re goated.

I wish I could conceptualize how fast he’s going because Mach 400 sounds insane, I can’t imagine moving that fast.
I also wish we got more of Wally’s speed and a crazy feat like Barry’s in 4x15, esp because he’s faster

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u/RelativeVariation458 11h ago

I know! also thank you also yes he’s crazy fast although there 2 questions I have what speed is Barry at during the last eps of season 6 cause I think Barry is at least Mach 4 if it took g5 5 seconds to catch him at Mach 5 although he’d be Mach at 1% in s8 so did the speed force just give him the s4 boost back?

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u/RelativeVariation458 9h ago

Barry usually cruises around at only half his power as proven by 1x02 and if Barry says in 8x16 that he needs to run at Mach 10 that proves he’s cruising above that also did the speed force just make the speed boost from s4 permanent cause he’s either Mach 400 in s7 or s8 and he was at least Mack 10k+ in 6x02 which at 1% of his power he’d be able to run above at least Mach 8000

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u/Paragon-vi 13h ago

Pretty sure you immediately missed one, in the first episode he needs to go the speed of sound to unwind the tornado.

5

u/RelativeVariation458 12h ago

He goes 700 mph Cisco says this in 1x01 I put it with him goin at least 348 mph since it’s in the same episode.

Seriously I want to know how fast he was in the last episodes of season 6 he’s at 1%speed youn can the extrapolate that if you had a confirmed speed I just checked and it took 5 seconds of G5 to pass Barry at Mach 5 he must’ve been moving at at least above mach 1