| Date: | 2020-08-12 |
| Time: | 0710 |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >7h17m |
| Standardized Duration: | >7h 17m |
| Time Entered: | 2020-08-12 07:11:20 |
| Time Updated: | 2020-08-12 15:41:25 |
| Time Uploaded: | 2020-08-12 15:41:25 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | marathon; still ie 0804, 0928, 0956, 1114, 1201, 1427. Done by 1537 |