User blog:Truth Bullets/Adventure Sonic SPD

In Sonic Riders, Sonic shows he can move at 250 SPD with his Spin Dash, and he can ride his board, with full control, as well.

The Light Speed Dash moves at the speed of light, and has been clocked at 390 SPD.

390 SPD = 670,616,629 mi/h

250 SPD = ?

167654157250/390

429,882,454 mi/h

Relativistic+