How can my family follow me live during a marathon?

You have two good options:

1. Check the marathon’s official app or website. Search for “runner tracking” or “spectator tracking” on the race site. Many races let family search your name or bib number, but these updates may be based on timing mats/checkpoints—not a continuous GPS signal—so they can lag. (monumentalmarathon.com)

1. Share your phone’s live GPS location. For example, Strava Beacon can send family a link to your location while you record the run in the Strava phone app. It needs cellular service, and Strava says updates are typically about every 15 seconds when service allows. (support.strava.com) If you use Garmin, LiveTrack can share your location and activity details, usually with your phone connected and in range of your watch. (support.garmin.com)

Best bet: Set up the race tracker and a live-location option before race day, then test the link on a short run. Bring your phone if your chosen method needs it, keep it charged, and tell your family that GPS or cellular coverage can cause delays.

The best approach is usually the race's official tracker, which works for any runner with a bib, plus a GPS link if your runner carries a phone. Which race is it? The official tools vary by event.

1. Use the official race app or website
Most big marathons offer a free tracker where you can search by name or bib number. For example, the free TCS New York City Marathon App, built by Tata Consultancy Services for New York Road Runners is the usual choice for NYC, and to track your runner in the London Marathon app, sign in as a spectator and head to the 'tracking' section, then search for your runner by name or bib number. Chicago uses the ChiMarathon app, and Boston uses the B.A.A. racing app. Bib numbers give the most reliable results, so ask your runner for theirs beforehand. Searching by bib number generally provides the fastest and most reliable results.

2. Know what the official tracker shows
Updates come from timing mats on the course, usually every 5 km, plus halfway, and the tracker turns those readings into splits, pace, and a predicted finish. Between mats, the runner's position is only an estimate. If your runner slows down, stops or walks through a feed station, the dot keeps moving anyway, and you only find out at the next mat, 25–35 minutes later. Updates can also lag, so a gap in data doesn't necessarily mean something has gone wrong.

3. Add live GPS if your runner carries a phone
A GPS-sharing tool fills the gaps between mats. Options include Garmin LiveTrack, Strava Beacon, and simple location sharing through Find My, Google Maps, or WhatsApp. Your runner would need to turn on the sharing feature before the start. Some races also offer their own GPS sharing, so check the race's guidance.

4. Set up before race day

• Add your runner to the app the day before, since the app can be slow to refresh near the finish on race day.
• Confirm the runner's wave and corral, so you know roughly when they'll cross the start line.
• Check that you've selected the correct event, since a full marathon, half marathon, and relay may share similar names.

5. Plan your spots
Choose two or three viewing points rather than trying to see the runner at many places, because transit can be slow on race day. Also agree on a meeting spot near the finish, since phone signal can be patchy there.

To help your family follow you during a marathon, you can use a combination of official race tools and personal tracking methods. The best approach depends on whether you plan to carry your phone during the race.

1. Official Race Tracking (Best for Accuracy)

Most large marathons provide an official app or a web-based tracking portal.

• How it works: These systems use your bib number to track your progress at various timing mats placed throughout the course (e.g., every 5km or at major milestones).
• What spectators see: They can see your split times, your pace, and an estimated location based on your progress between mats.
• Why use it: It is the most reliable method and requires no effort from you on race day—the timing chip on your bib does all the work. Check your marathon’s official website or app store page in the weeks leading up to the race.

2. Continuous GPS Tracking (Best for Real-Time Location)

If you want your family to see your exact location at all times (especially between timing mats), you can use a continuous GPS tracker. Note: Most of these options require you to carry your smartphone.

• Garmin LiveTrack: If you use a compatible Garmin watch, this feature allows you to share a live link via email or text. It provides your real-time position and various performance metrics.
• Strava Beacon: Similar to Garmin, Strava allows you to share your live location via a link sent to trusted contacts.
• Smartphone Location Sharing:
  • WhatsApp/Google Maps/Apple "Find My": You can share your live location directly with specific family members. This is simple and effective, though it may consume more battery than a dedicated fitness app if left on for several hours.
• Specialized Apps: Apps like Cheerlify are designed specifically for marathon spectating and can provide a live dot on the race route along with ETA predictions.

Key Considerations for Race Day

• Carrying Your Phone: Most continuous tracking solutions (like Garmin LiveTrack or WhatsApp) require you to carry your phone. If you prefer to run without a phone, you will need to rely solely on the official race tracking (bib chip) or provide your family with a detailed "cheat sheet" of your estimated pace and projected times for each mile marker.
• Battery Life: Continuous GPS tracking and location sharing can drain your battery. If you choose to use these, ensure your phone is fully charged and avoid battery-saver modes that might kill background location services.
• Set Expectations: Remember that even the best tracking technology can have delays. Let your family know that if the "live" dot stops moving or seems slightly behind, it is often due to the dense crowd or the nature of GPS updates in city environments (where tall buildings can interfere with signals).

Recommendation: For the best experience, rely on the official race tracking as the primary source of truth, and add a personal GPS tracker (like Garmin LiveTrack or WhatsApp sharing) if you want your family to have the most granular view of your progress.

The easiest option is usually the marathon’s official tracking app or website. Check the race’s runner information page before race day: many races let family search by your name or bib number and see timing updates at checkpoints, sometimes with an estimated location or finish time. Tracking features vary by event.

You can also share your phone’s live location as a backup:

• Google Maps: Profile picture → Location sharing → choose your family members and how long to share. You can share a link with people who don’t have a Google Account; link sharing can last up to 24 hours. ¹
• iPhone Find My: Turn on Share My Location, then share with your family for a chosen duration. ²

Before the race, install and test the app, charge your phone, enable location and mobile data, and agree on a meeting spot in case the signal or tracking fails. Phone location can be delayed or imprecise in crowded areas, so treat the official race tracker as the main source if it’s available. ¹²

¹ Google Maps: Share your real-time location
² Apple Support: Share your location in Find My