My kids have perfected the art of getting a dog to chase them this weekend. It seems the best way to do it is as follows.
1) Scream like a girl to alert the dog of your presence
2) Flap your arms like a wounded animal
3) Run to trigger all of the other instincts not yet engaged
I have said "Keep you arms down and walk!" about a thousand times, but neither my 4yo boy or 2yo girl seem to have the ability.