This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

They immediately ran to tell the disciples.

Matthew 28:8 View context

And they departed quickly from the sepulchre with fear and great joy; and did run to bring his disciples word.

Luke 24:8-9 View context

And they remembered his words,

And returned from the sepulchre, and told all these things unto the eleven, and to all the rest.

They told no one since they were afraid.

Mark 16:8 View context

And they went out quickly, and fled from the sepulchre; for they trembled and were amazed: neither said they any thing to any [man]; for they were afraid.