Safety for solo travelers: a check-in setup that works

The gap solo travel creates

At home, a missed run or a late night gets noticed. Your partner, roommate or coworker knows your routine. On a solo trip that network is thousands of miles away and possibly asleep, and the people around you (a hotel clerk, a hostel roommate, a tour guide) have no idea when you planned to be back from that coastal trail.

Solo travelers also stack small risks. You are navigating an unfamiliar place, maybe in another language, maybe on a phone plan you set up in the airport. You are more likely to take a scenic walk at dusk because the light was beautiful, and less likely to know which neighborhoods empty out at night. The CDC's Yellow Book, drawing on State Department advice, suggests limiting travel at night and varying routine habits. None of it is a reason to stay home. It is a reason to rebuild, deliberately, the "someone expects me" layer you have without thinking about it at home.

Before you leave home

Most of the work happens before the flight. A calm half hour now makes every later decision easier.

Choosing a Guardian across time zones

The best Guardian at home is not much help if your evening walk happens during their 3 a.m. Before you go, work out the overlap between your likely activity hours and their waking hours.

If there is not much overlap, add a second Guardian in a different time zone, such as a friend who lives in another region. Guardians open your link in any web browser, with no app or account, so it takes them nothing to say yes. That also means a friend on Android can follow a trip you share from an iPhone; see how to share live location between iPhone and Android.

• Morning run while they sleep? Set a return time that falls after they wake up, or pick a Guardian who is awake.
• Write both time zones in your itinerary so nobody does mental math under stress.
• Tell them when you will be offline for long stretches, like a flight or a remote day trip, so a frozen dot does not worry them.

Using Holler on the trip

Keep it for the outings where it adds something: a solo hike, a run in a new city, a long walk back to your room at night. Start an outing, and your Guardians follow your live location link and see the route you have traveled. In a phone browser, sharing only updates while the page is open and the screen is on.

For anything with a clear finish, like a day hike, set a return time. If you have not checked in five minutes after it, your Guardians get an overdue alert from Holler's server, even if your phone app is closed or your phone has died. For runs in unfamiliar cities, our guide to running safely while traveling covers route scouting and asking locals. The daylight calculator tells you when it gets dark wherever you are.

If something goes wrong, SOS sends your Guardians your location right away. Remember they are far away. Holler does not contact emergency services, so if you are hurt or in danger, call the local emergency number first.

A day hike from start to finish

Say you are in a coastal town and want to hike a cliff path alone. The night before, you message your Guardian at home, who is six hours behind. You pick a 9 a.m. start so your return time of 2 p.m. lands at 8 a.m. for them, after they are up.

At the trailhead you start an outing with the return time set and a stationary alert long enough to cover a lunch stop. The link shows your line along the coast. Halfway, the path drops out of coverage for forty minutes; your Guardian sees the stale marker and the last known location and, because you warned them, waits. You come back into signal, the dot moves again, and at 1:30 p.m. you end the outing at the café in town. Had you not, the overdue alert would have reached them at 2:05 p.m. your time.

A message template you can adapt: "Hiking the cliff path from [town] today, starting 9 a.m. local ([your time]). Return time 2 p.m. local. Expect no signal for up to an hour around [landmark]. If you get an overdue alert: call me, then [hotel name and number], then the embassy at [number]. Local emergency number is [number]."

What your Guardian at home should know

Your Guardian's job is harder from a distance, because they cannot dial the local emergency number from home the way they could call 911 for you in your own town. Give them the tools to act anyway.

• Your accommodation's name, address and phone number for each night. A hotel or host can knock on your door or check whether you came back.
• The contact details of any tour operator or guide you booked.
• The phone number and address of your country's embassy or consulate at your destination. Look it up before you go and put it in the itinerary.
• Your travel insurance provider and policy number, if you have one. The CDC's Yellow Book advises buying supplemental travel insurance before you go.
• What "overdue" means for this trip: call you, then your accommodation, then the embassy or local contacts, with your last known location and what you planned to do. Our guide on how to be a good safety contact is worth sending them.