The two heroes have raced several times since then, in the comics, cartoons and movies. As a general rule, the comics claim that
Superman can run and think fast, he just doesn't come close to The Flash's top speed. In all instances of racing The Flash, Superman has never bested him, and throughout the entire history of DC comics, these two heroes have drawn twice. The Flash has bested Superman on two occasions so far.
Wally himself has performed several feats and made several references to be faster than Barry and having surpassed him. Wally is fast enough to easily break all the speed barriers and even enter the Speed Force.
It's been proven by now that Superman can't outrun the Flash, but it turns out he's still fast enough to keep up with Flash's top speed - albeit barely.
It is mentioned that Superman can travel at approximately 7,680 miles per hour or 12,352 kilometers per hour. To put this into perspective, a commercial airplane's cruising speed is only around 500-600 miles per hour.
Quick Answer: Barry Allen may be known for his superspeed, but just how fast can he run? Unfortunately for fans, it's not quite the speed of light. According to The Flash, Allen's top speed is Mach 3.3, or 2,532 miles per hour.
The first decisive victory between Superman and a speedster takes place in World's Finest Comics #198-199. As the cover to issue #198 boldly states: “And this time, there MUST be a winner!” Despite cover illustrations to the contrary, this race too is on foot, and it's Barry who claims victory.
Many characters have carried the mantle of the Flash and many different versions of these famous speedsters over the years. We can confirm that Shazam is slower than all of them. It doesn't matter whether we compare Shazam to Jary Garric, Wally West, or Barry Allen; why will Shazam never reach those speeds?
Powers and abilities
Superhuman speed: Because of the low-key manner in which Wally created the original Flash's accident, Kid Flash was exceptionally slower than his mentor, at speeds approaching the speed of sound.
His speed doesn't come from the Speed Force, but from altering his own relative time, slowing or speeding up the world around him, allowing him to run even faster than the Flash.
Superhuman Speed: The Black Flash can move at vast superhuman speeds, easily keeping up with Barry Allen, and surpassing the speed of light.
The Flash can hit pretty hard with his incredible speed, but his strength is nowhere near the level of Captain Marvel. In addition to her ability to fly and resilience, Captain Marvel's powerful energy blasts could trip up The Flash.
In a competition of speed between the Blue Blur and the Scarlet Speedster, it will take more than math and science to really comprehend their overall speed. However, taking all things we know into account, Flash would win a typical race against Sonic the Hedgehog and come out as the faster of the two.
Hurting the Hulk would be hard for the Flash, especially since every missed attack would make the Hulk angrier. However, the Flash can always deploy the infinite mass punch, his most devastating attack. It would be a last resort but it would give the Flash the win.
In the DC Comics, Superman was faster than both Shazam and Black Adam. The movies however, could potentially be giving Black Adam a speed boost to put him on more level-ground with the Man of Steel.
Hercules / Zeus
While not cosmic (none of that on this list!), he can survive the vacuum of space and resist cosmic attacks. He ranks above Thor here because he's technically the stronger of the two. In fact, he is considered by many authorities to be the physically strongest character Marvel has ever created.
The two heroes have raced several times since then, in the comics, cartoons and movies. As a general rule, the comics claim that The Flash is the faster hero, with Barry Allen, Wally West and even an octogenarian Jay Garrick having outrun Superman over the years.
As far as strength is concerned, it's pretty much a wash. Earth's yellow sun gives Superman immense strength, while Black Adam's strength is, literally, a gift from the gods, specifically Amon. A street brawl between the two could go on for days with neither gaining the upper hand.
The Flash's Speed Would Overwhelm The Wall-Crawler
The fight might be close, but Spider-Man would have a difficult time slowing down the Flash enough to beat him. Spider-Man definitely has a chance to land a few good blows, but the Flash is just too fast and unpredictable for him to beat.
The Flash is one of DC's most formidable heroes, but it turns out his biggest fear is slipping on a banana peel and rocketing himself into space.
The Reverse-Flash is therefore able to travel at superhuman speeds faster than the speed of light, deliver blows of extreme force by hitting the victim hundreds of times a second, run on water, generate vacuums, create afterimages ("speed mirages") of himself, and vibrate his molecules to pass through solid objects.
By being able to travel in a dimension where time has been eliminated, Dragon Ball's Goku proves that he is technically faster than even the Flash.