Running Social Media Strategy

Help me build a running social media presence.

My goals:
- Primary platform: [Instagram, Strava, Twitter, TikTok]
- Purpose: [accountability, community, inspiration, influence]
- Current following: [if any]
- Content style: [data, photos, stories, tips]
- Privacy concerns: [any limitations]
- Time available: [for creating content]

Please provide:
1. Platform comparison for runners
2. Content ideas for running accounts
3. Posting frequency recommendations
4. Hashtag strategy for reach
5. Engaging with running community
6. Strava-specific tips
7. Privacy and safety considerations
8. Building authentic connections
9. Handling comparison/competition
10. Using social media for accountability