diff --git a/PROJECT.md b/PROJECT.md
index 02af7c7..8cbf2af 100644
--- a/PROJECT.md
+++ b/PROJECT.md
@@ -53,3 +53,4 @@ All other functionality uses Python stdlib (`asyncio`, `socket`, `struct`).
 - **Graceful shutdown** -- SIGTERM/SIGINT handled in the event loop for clean container stops
 - **Config split** -- tracked example template, gitignored live config with real addresses
 - **Proxy pool** -- multi-source (API + file), health-tested, persistent, auto-cleaned
+- **Weighted selection** -- recently-tested proxies preferred via recency decay weight
diff --git a/README.md b/README.md
index fe2357c..3ed7912 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ through configurable chains of SOCKS4, SOCKS5, and HTTP CONNECT proxies.
 - Per-hop authentication (username/password)
 - DNS leak prevention (domain names forwarded to proxies, never resolved locally)
 - Tor integration (Tor is just another SOCKS5 hop)
-- Managed proxy pool: multiple sources (API + file), health-tested, auto-cleaned
+- Managed proxy pool: multiple sources (API + file), health-tested, weighted selection
 - Connection retry with proxy rotation (configurable attempts)
 - Connection metrics (logged periodically and on shutdown)
 - Container-ready (Alpine-based, podman/docker)
@@ -97,10 +97,11 @@ Options:
 ## How Chaining Works
 
 ```
-Client -> s5p -> [static chain] -> [random alive proxy from pool] -> Destination
+Client -> s5p -> [static chain] -> [weighted alive proxy from pool] -> Destination
 ```
 
 s5p connects to Hop1 via TCP, negotiates the hop protocol (SOCKS5/4/HTTP),
 then over that tunnel negotiates with Hop2, and so on. If a proxy pool is
-configured, a random health-tested proxy is appended to the chain per-connection.
-Each hop only sees its immediate neighbors.
+configured, an alive proxy is appended per-connection, weighted toward those
+with the most recent successful health test. Each hop only sees its immediate
+neighbors.
diff --git a/ROADMAP.md b/ROADMAP.md
index 26a6a6b..eb4b713 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -11,6 +11,7 @@
 - [x] Graceful SIGTERM/SIGINT shutdown
 - [x] cProfile support
 - [x] Dynamic proxy source API integration
+- [x] Weighted proxy selection (recency-based)
 
 ## v0.2.0
 
diff --git a/TASKS.md b/TASKS.md
index 0f4dc99..a90c57d 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -19,6 +19,7 @@
 - [x] Connection retry with proxy rotation
 - [x] Connection metrics (periodic + shutdown logging)
 - [x] Managed proxy pool (multi-source, health-tested, persistent)
+- [x] Weighted proxy selection (prefer recently-tested proxies)
 
 ## Next
 - [ ] Integration tests with mock proxy server
diff --git a/TODO.md b/TODO.md
index 8ab7013..1c0503f 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,7 +3,7 @@
 ## Features
 
 - SOCKS5 BIND and UDP ASSOCIATE commands
-- Chain randomization modes (random, round-robin)
+- Chain randomization modes (round-robin, sticky-per-destination)
 - Per-destination chain rules (bypass chain for local addresses)
 - Hot config reload on SIGHUP
 - Systemd socket activation
diff --git a/docs/USAGE.md b/docs/USAGE.md
index fffaa49..dcf72a6 100644
--- a/docs/USAGE.md
+++ b/docs/USAGE.md
@@ -89,7 +89,8 @@ into the container. Edit locally, restart to pick up changes.
 ## Proxy Pool
 
 Managed proxy pool with multiple sources, health testing, and persistence.
-Appends a random alive proxy after the static chain on each connection.
+Appends an alive proxy after the static chain on each connection, weighted
+by recency of last successful health test.
 
 ```yaml
 proxy_pool:
@@ -133,6 +134,20 @@ After `max_fails` consecutive failures, a proxy is evicted.
 Mass-failure guard: if >90% of tests fail in one cycle, eviction is skipped
 (likely the static chain is broken, not the proxies).
 
+### Selection weight
+
+Alive proxies are selected with probability proportional to their recency
+weight: `1 / (1 + age / 300)`, where `age` is seconds since the last
+successful health test. This favors freshly-verified proxies over stale ones:
+
+| Age | Weight |
+|-----|--------|
+| 0 s (just tested) | ~1.0 |
+| 5 min | ~0.5 |
+| 10 min | ~0.33 |
+| 30 min | ~0.1 |
+| Never tested | 0.01 |
+
 ### Persistence
 
 Pool state is saved to `state_file` (default: `~/.cache/s5p/pool.json`) after