Relentless forward progress
Subtitle: a guide to running ultramarathons
By: Bryon Powell ; [with a foreword by Eric Grossman]
Publisher: Breakaway Books
Published: 2011
Place of publication: Halcottsville, NY
Language: eng
Number of pages: 229
ISBN-13: 9781891369902
Subjects: Cross-country running; Training; Marathon running
Notes: "Includes advice from Geoff Roes, Krissy Moehl, and many more"--Cover.