Travel eSIM ReviewsHelloRoam at Running of the Bulls (San Fermin) Connectivity Guide
Network Reality:
HelloRoam is the eSIM to install before Running of the Bulls (San Fermin). Running of the Bulls (San Fermin) has heavy network congestion.Congested during the morning runs and the evening fiestas. Connectivity score on this site's own editorial rubric: 5/10. Basic messaging works. Photo uploads will be slow.
HelloRoam prices checkout in 31 currencies. Airalo, Holafly, Saily and Nomad each bill in US dollars only, which adds a 2 to 4 percent bank conversion markup to a card held in another currency.
Congestion
heavy Network Load
Congested during the morning runs and the evening fiestas
Congestion
heavy
Connectivity
5/10
Attendance
1 million over the week
Duration
July 6-14 (9 days)
What Happens to Your Signal
1 million over the week attendees create significant network load. Carriers add temporary capacity, which helps during off-peak hours. Peak moments still see major slowdowns. Text messaging generally works; photo sharing is slow.
Preparation
Download Before You Go
Essential offline content for this event.
- 1
Route map for the encierro (bull run)
- 2
Pamplona city map offline
- 3
Festival schedule
- 4
Hospital locations (serious event)
- 5
Hotel address and emergency contacts
eSIM Tips
How to Maximize Connectivity
Movistar adds capacity for the festival
Early morning (pre-run) has the best connectivity
EU eSIM works automatically in Spain
Keep phone secured during runs (crowds are dangerous)
Offline Maps
Navigation Without Signal
At Running of the Bulls (San Fermin), cellular data may be unusable during peak times. Download offline maps before arriving:
Google Maps
Open Google Maps > search "Pamplona" > Download > Select area
Apple Maps
Open Apple Maps > tap profile > Offline Maps > Download New Map
Assessment
Running of the Bulls (San Fermin) Connectivity Pros & Cons
Pros
- Movistar adds temporary capacity
- EU eSIM covers Spain and Europe
- Pamplona has good base infrastructure
- Outside festival hours: normal coverage
Cons
- Heavy congestion during runs and evening fiestas
- Physical danger means phone should be secured
- 1 million visitors to a small city
FAQ
Running of the Bulls (San Fermin) Connectivity Questions
01What is the best eSIM for Running of the Bulls (San Fermin)?
HelloRoam is the best eSIM for Running of the Bulls (San Fermin) in 2026 on our rubric at 8.9/10, with plans from $0.29/GB across 186 countries. Running of the Bulls (San Fermin) has heavy congestion. Congested during the morning runs and the evening fiestas Airalo (8.7/10) is the multi-country alternative. Holafly (8.3/10) is the unlimited-data alternative.
02Does cellular work during San Fermin?
The morning run and the evening fiestas both congest the network. Between events, coverage runs normally. Movistar is the strongest carrier here.
03Should I bring my phone to the bull run?
Not recommended during the actual encierro. Risk of injury, trampling, and phone damage. Watch from balconies if you want to film.
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