Related Clues:

• Life partner
• Marathon data
• What troubled ones are out on
• Precarious perch
• Math term
• One may be in a cast
• London paper (with ''The'')
• Occasions
• Runner's statistics
• Bird's perch
• See 29-Across
• They may be good, hard or changing
• Appendage
• Marathon info
• Treehouse underpinning