diff --git a/runs/speedrun.sh b/runs/speedrun.sh
index 5ba55a74..3c72497f 100644
--- a/runs/speedrun.sh
+++ b/runs/speedrun.sh
@@ -69,12 +69,13 @@ python -m scripts.tok_eval
 echo "Waiting for dataset download to complete..."
 wait $DATASET_DOWNLOAD_PID
 
-# d22 model trained for 6000 iterations at 1M tokens/iter = 6B tokens (~ratio=11 against d22's
-# scaling params, mirror of Run 6's d24+ratio=8 strategy from the other side of compute-optimal —
-# d22 is below GPT-2 capability so we overtrain). Combined with --warmdown-ratio=0.85 (longer
-# low-LR tail) and --muon-qk-clip-tau=100 (Kimi K2 §A QK-Clip) the recipe crosses GPT-2 CORE
-# in 88 min — ~10.8% less wall-clock than Run 6 — at CORE 0.2646, val_bpb 0.7241.
-torchrun --standalone --nproc_per_node=8 -m scripts.base_train -- --depth=22 --num-iterations=6000 --total-batch-size=1048576 --device-batch-size=16 --warmdown-ratio=0.85 --muon-qk-clip-tau=100 --fp8 --run=$WANDB_RUN
+# d22 model overtrained relative to compute-optimal 10.5 (mirror of Run 6's d24+ratio=8
+# undertrained strategy from the other side of compute-optimal — d22 is below GPT-2
+# capability so we overtrain at ratio=11.05). Combined with --warmdown-ratio=0.85 (longer
+# low-LR tail), --final-lr-frac=0.0 (full LR decay floor; Hägele et al. arxiv 2405.18392),
+# and --muon-qk-clip-tau=100 (Kimi K2 §A QK-Clip) the recipe crosses GPT-2 CORE in ~88 min
+# — ~10.9% less wall-clock than Run 6 — at CORE 0.2665, val_bpb 0.7242.
+torchrun --standalone --nproc_per_node=8 -m scripts.base_train -- --depth=22 --target-param-data-ratio=11.05 --total-batch-size=1048576 --device-batch-size=16 --warmdown-ratio=0.85 --final-lr-frac=0.0 --muon-qk-clip-tau=100 --fp8 --run=$WANDB_RUN
 # evaluate the model: CORE metric, BPB on train/val, and draw samples
 torchrun --standalone --nproc_per_node=8 -m scripts.base_eval -- --device-batch-size=16