diff --git src/files.c src/files.c
index a34c3c4..52bcf5f 100644
--- src/files.c
+++ src/files.c
@@ -120,6 +120,10 @@ void player_flags(bitflag f[OF_SIZE])
 	/* Some classes become immune to fear at a certain plevel */
 	if (player_has(PF_BRAVERY_30) && p_ptr->lev >= 30)
 		of_on(f, OF_RES_FEAR);
+
+	/* Extra speed */
+	if (player_has(PF_EXTRA_SPEED) && p_ptr->lev >= 10)
+		of_on(f, OF_SPEED);
 }
 
 
diff --git src/list-player-flags.h src/list-player-flags.h
index cfbdc3d..6610e45 100644
--- src/list-player-flags.h
+++ src/list-player-flags.h
@@ -19,3 +19,4 @@ PF(PSEUDO_ID_IMPROV, "get better at psudo id with experience")
 PF(KNOW_MUSHROOM,    "easily recognize mushrooms")
 PF(KNOW_ZAPPER,      "easily recognize magic devices")
 PF(SEE_ORE,          "can sense ore in the walls")
+PF(EXTRA_SPEED,      "receive extra speed")
diff --git src/player/calcs.c src/player/calcs.c
index d8c4763..af633be 100644
--- src/player/calcs.c
+++ src/player/calcs.c
@@ -1848,6 +1848,9 @@ void calc_bonuses(object_type inventory[], player_state *state, bool id_only)
 	/* Searching slows the player down */
 	if (p_ptr->searching) state->speed -= 10;
 
+	/* Extra speed */
+	if (player_has(PF_EXTRA_SPEED)) state->speed += p_ptr->lev / 10;
+
 	/* Sanity check on extreme speeds */
 	if (state->speed < 0) state->speed = 0;
 	if (state->speed > 199) state->speed = 199;
diff --git src/ui-birth.c src/ui-birth.c
index 4df2852..fb90aed 100644
--- src/ui-birth.c
+++ src/ui-birth.c
@@ -253,6 +253,7 @@ static const char *get_pflag_desc(bitflag flag)
 		case PF_KNOW_MUSHROOM: return "Identifies mushrooms";
 		case PF_KNOW_ZAPPER: return "Identifies magic devices";
 		case PF_SEE_ORE: return "Senses ore/minerals";
+		case PF_EXTRA_SPEED: return "Gains extra speed";
 		default: return "Undocumented pflag";
 	}
 }