Sources & Photography
Official references, photographer credits and image licenses.
Official event and background sources
Facts were checked for this edition on 17 October 2026. References identify the organizer’s material; they do not imply its approval of our original planning suggestions.
- NYRR: 2026 marathon calendar
- NYRR: marathon course and runner guide
- NYRR: TCS New York City Marathon
- B.A.A.: Boston Marathon
- B.A.A.: qualifying and 2027 registration status
- Chicago Marathon: 2027 applications
- Chicago Marathon: participant information
- McCourt Foundation: 2027 Los Angeles Marathon course
- McCourt Foundation: Los Angeles Marathon FAQs and rules
- The San Francisco Marathon: 2027 full marathon
- The San Francisco Marathon: expo and packet pickup
- Marine Corps Marathon: 2026 event and registration policies
- Marine Corps Marathon: Before You Go
- Marine Corps Marathon: Race Day
- Abbott World Marathon Majors: member races
- Abbott World Marathon Majors: Cape Town joins the series
Photography credits
Every article uses a different real reference photograph, hosted locally. Unless explicitly identified otherwise, the photograph illustrates a setting or preparation topic and does not depict the named future edition. The photos are not provided as downloadable stock collections.
- Eddson Lens — Runners competing in a city road race. · License
- Row Photo — Runners participating in an urban race in Jakarta, Indonesia. · License
- RUN 4 FFWPU — Woman running in a road race in daylight. · License
- CRISTIAN CAMILO ESTRADA — Smiling runners participating in an outdoor road race. · License
- RUN 4 FFWPU — Runners crossing a red suspension bridge during a road race. · License
- Amanuel C — Overhead view of a London road race with spectators. · License
- Yaroslav Shuraev — Runner tying shoelaces on an outdoor track. · License
- Arina Krasnikova — Laptop, notebook and phone on a table. · License
- Vlada Karpovich — Hands packing clothing into a suitcase. · License
- Yusuf Miah — Spectators watching runners on a London street. · License
- Victor Chijioke — Man running on an outdoor athletics track. · License
- RUN 4 FFWPU — Runners smiling during a sunny road race. · License