update schedule for gb

Author: bcumming

docs/guides/gb25.md

@@ -4,11 +4,19 @@ This is temporary documentation for the Gordon Bell second round benchmark runs
 
 ## Schedule
 
-| group | date | time | activity |
-| ---   | ---- | ----- | --------------------- |
-| -     | 08-15| 08:00 | Daint is reconfigured and resized for GB runs             |
-| all   | 08-15| ASAP  | Daint is available to all teams for final testing at scale |
-| `g???`| 08-15| 18:00 | First team runs |
+| group  | date | time  | duration (h) | activity |
+| ---    | ---- | ----- | -----------: | --------------------- |
+| -      | 08-18| 08:00 | -            | Daint is reconfigured and resized for GB runs             |
+| all    | 08-18| ASAP  | -            | Daint is available to all teams for final testing at scale |
+| `g202` | 08-18| 21:00 | 2            | GB run |
+| `g199` | 08-18| 23:00 | 10           | GB run |
+| `g186` | 08-19| 09:00 | 6            | GB run |
+| `g200` | 08-19| 15:00 | 3            | GB run |
+| `g183` | 08-19| 18:00 | 24           | GB run |
+| `cwd01`| 08-20| 18:00 | 5            | GB run |
+| -      | 08-20| 23:00 | 9            | *free slot* |
+| `g188` | 08-21| 08:00 | 8            | GB run |
+| `cwd01`| 08-21| 16:00 | 5            | GB run |
 
 ## System