Can't join us in San Francisco? Attend the 2025 ASTRO Annual Meeting virtually and still have access to the top science and education related to the field of radiation oncology.
Watch sessions livestreamed, ask questions and participate in polls, access ePosters, earn CME credits, and view onDemand recordings. Registration for the Virtual Full Conference is available until October 1, 2025, 1:00 p.m. Pacific time.
Access the Livestream
- Sessions will be streamed September 27 – October 1, 2025, 7:55 a.m. - 6:15 p.m. Pacific time (schedule varies by day).
- The Virtual Meeting (livestream) will be available in the Annual Meeting Portal. Log in with the ASTRO credentials you used to register for the meeting. There is no MyASTROApp for 2025.
- In the Annual Meeting Portal Daily Schedule, navigate to the session you wish to view and the click the session to open the session page.
- On the session page, click the "Watch Livesteam" button to open the session livestream in a pop-up window.
- Please note that this button won't be active until 5 minutes before the session start time.
Virtual Meeting Support
There will be dedicated support for Virtual Meeting attendees during the Annual Meeting.
Virtual Meeting Support Schedule (Pacific time)
| Date | Time |
|---|
| Saturday, September 27 | 7:00 a.m. - 6:15 p.m. |
| Sunday, September 28 | 7:00 a.m. - 6:00 p.m. |
| Monday, September 29 | 7:00 a.m. - 6:00 p.m. |
| Tuesday, September 30 | 7:00 a.m. - 6:15 p.m. |
| Wednesday, October 1 | 7:00 a.m. - 1:00 p.m. |
Virtual Meeting Connection Tips
- You can watch sessions from a mobile device, laptop or desktop. Most computers/phones purchased within the past few years will meet the minimum requirements.
- Use the latest version of Chrome, Firefox, Microsoft Edge or Safari on Mac OS browser.
- If the livestream pop-up window won't open or the video won't play:
- Some institutions have robust security measures that will block some virtual features.
- Disconnect from a VPN (virtual private network).
- If you are at a work institution, try another network like a mobile device or home network.
- Clear your web browser history and cache or try another browser.
- Completely log out of the Annual Meeting Portal and log back in.
- If the livestream is slow to load or buffers frequently:
- Check your internet connection. A minimum of 5 Mbps is required, but 15+ Mbps is recommended. Note: wireless speeds are lower than your internet service provider's advertised speeds. You can check this at www.speedtest.net.
- Use a hard-wired internet connection, if possible. If you have to use Wi-Fi, make sure you are close to the Wi-Fi device.
- If you are at the Annual Meeting in San Francisco, the attendee public Wi-Fi may not support streaming.
- Close any other windows/tabs that may be using a lot of bandwidth.
- If you are at home, make sure you are not also using streaming services like Netflix, etc., that could impact your available bandwidth.
- Please note that if you pause the livestream on your computer for more than 15 minutes, you will need to log out and log back into the Annual Meeting Portal.
- If the steps above do not resolve the issue, please contact ASTRO eLearning by email or at 703-502-1550, option 7.
Virtual Meeting Features
- Over 150 education and scientific sessions livestreamed in real time September 27 – October 1, 2025, with the opportunity to submit questions for presenters
- Extended learning and access with Meeting onDemand recordings
- All livestreamed meeting content will be recorded and made available through the Annual Meeting onDemand. Session recordings will be available within 24 hours of the end of the live session.
- Access the recordings and claim corresponding CME credit until June 1, 2026.
- Continuing education credit — 35+ CME credits available for the live meeting
Questions? Please contact ASTRO eLearning.
