Possible Clues:

• Like their walks to school (in the snow, both ways), per some grandparents
• Inclined to see 28 down
• Type of battle
• This going is tough, but climb on
• Difficult (struggle)
• That'll never get you down
• Laborious as for walker
• Inclined to have a rise
• The harder way to walk - not a naturally-flowing movement
• It's inclined to get a rise