1. Introduction
1.1. History and Challenges
1.2. From the Galactic Disk to the Halo

2. The Simulations
2.1. Construction of the Simulations
2.2. Results for a Fiducial Simulation
2.3. Results for a Galactic Distribution of Runaways
2.4. Summary of the Simulations

3. Application to the Hyper-Runaway HD 271791

4. Application to Hypervelocity Stars
4.1. Predicting Observables from Simulations
4.2. Comparing Simulations and Observations

5. Application to Halo Radial Velocity Surveys
5.1. Comparing Runaways to Star Counts
5.2. Upper Limit on the Runaway Fraction
5.3. Runaways in the Inner Halo

6. Conclusions