Relay Tracker
Live relay tracking

Follow your relay team, live.

Someone on the team shares one link — you open it and watch every split, the live leg, and the whole team's ETA update in real time. No app to install. No account.

The same race view in dark mode
The Race tab: the running leg counting down, with the earliest, expected and latest arrival times and a RUNNER IN button.

From a text message to a live race, in one tap

Spectating is read-only and needs nothing installed. If you can open a link, you can follow the team.

1

A racer shares the link

Anyone on the team taps Share → Watch link. It drops into any messaging app as a normal link.

2

You open it in your browser

No install, no sign-up. The live race loads straight away — on your phone or your laptop.

3

Watch the whole team, live

Splits, the running leg's clock, and each van's ETA update the moment a runner hands off.

The same live view the team sees — read-only

  • Live splits

    Every leg's actual time appears the instant it's logged at the exchange.

  • The running leg

    See who's out on course right now, with their clock ticking up live.

  • Team ETA

    A running finish-time window for the whole relay — earliest, expected, latest.

  • The course

    Each leg's distance and elevation — the hills ahead, at a glance.

  • Both vans, one view

    The team spans two vans; you see across both in real time.

  • Look, don't touch

    Spectating is strictly read-only — only the team can change anything.

Running the relay?

Predict every leg. Time every handoff.

Relay Tracker turns each runner's 10k time into a leg-by-leg plan — pace, finish time, and a running team ETA — and keeps it accurate all day as real splits come in. Built for the 3 a.m. van: big glanceable numbers, and a pace model that still works when the signal doesn't.

  • On-device pace prediction — terrain, heat & fatigue aware, self-calibrating
  • One-tap RUNNER IN handoff — you're always in control
  • Full-fidelity offline — sync van-to-van by QR or Nearby, nothing in the cloud
  • Exchange-approach alerts before your runner is due
  • Course elevation profiles & per-leg route maps
  • Flexible rosters with auto-assigned legs
Get the app
Predicted leg time, ready to start
Pick your race

Get Relay Tracker

Free. No ads, no tracking cookies, and no account needed.

Download on the App Store Get it on Google Play

Built for real relays

Long, multi-van road relays

Drag to spin · tap a pin for its guide

Hood to Coast · 36 legs · 196.7 mi Bourbon Chase · 36 legs · 200.9 mi Ragnar Northwest Passage · 36 legs · 197.6 mi Ragnar Road Minnesota · 36 legs · 202.0 mi Cascade Lakes Relay · 36 legs · 220.0 mi High Desert Relay · 12 legs · 68.4 mi Blue Ridge Relay · 36 legs · 202.6 mi Ragnar Road SoCal · 36 legs · 196.3 mi SOLA-Stafette · 14 legs · 71.1 mi Round Norfolk Relay · 17 legs · 200.6 mi Ragnar Trail · 14 venues · 3 loops each
More courses ship as data — no app update

Each name opens a leg-by-leg course guide — distance, climb, profile, exchanges and a map for every leg.