diff --git a/Contest_API.md b/Contest_API.md
index e2b50c7..b37ece3 100644
--- a/Contest_API.md
+++ b/Contest_API.md
@@ -1839,6 +1839,9 @@ Properties of run objects:
 | contest\_time       | RELTIME | Contest relative time when run completed.
 | run\_time           | number  | Run time in seconds. Should be a non-negative integer multiple of `0.001`. The reason for this is to not have rounding ambiguities while still using the natural unit of seconds.
 
+A CCS should create each run object as soon as it is ready.
+This will for example allow clients to track judging progress in real-time.
+
 #### Examples
 
 Request:
diff --git a/Contest_Control_System_Requirements.md b/Contest_Control_System_Requirements.md
index d92e0c0..13ee3e1 100644
--- a/Contest_Control_System_Requirements.md
+++ b/Contest_Control_System_Requirements.md
@@ -990,6 +990,11 @@ return from the `/access` endpoint:
 }
 ```
 
+Furthermore, the CCS must satisfy the following:
+
+- It must publish [run](contest_api#runs) objects in real-time, so
+  that ICPC-Live can track and publish judging progress.
+
 
 #### Access Restrictions