Crossroads

Across 4. 355 ml of beer consumed at the start line (4, 4) 6. Fast enough race to get you to Beantown (6, 9) 8. World’s largest marathon (3, 4) 11. Complete all five (5, 8, 6) 14. Chilean mountain region (9) 15. Yanks call it a PR (8, 4) 16. Must run every day (3, 6) 17. To give back (9) 19. There’s no “i” in this either (5) Down 1. Good luck here in April, Gary (7) 2. Once a river in Arizona (5, 6) 3. Wonder of the world (with a race) (5, 4, 2, 5) 5. Exclusive globetrotting group (20) 7. Race alternates annually from “up” and “down” (8) 9. For a worthy cause (7, 3) 10. Canada’s protected trail paradises (8, 5) 12. 42.3 and up (5) 13. The Greek epic of runs (8) 18. Off-road road (5)