diff --git a/README.md b/README.md
index a52909058d2e1e9b09fda0b85c7db3a5e5eb734c..68648a464fd1ebe8ce78d083abc138f281af74cd 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,9 @@
 |0.118|prior|Cray Y-MP4/464|C, vector|prior|
 |0.074|[pi.c](C/pi.c)|C<br>gcc pi.c -o pi -lm -O3 -ffast-math|Raspberry Pi Zero|December, 2020|
 |0.029|[pi.py](Python/pi.py)|Python|Intel i7-8700T|November, 2018|
+|0.0168|[pi.c](https://gitlab.cba.mit.edu/zfredin/samd51_benchmarks)|C<br>floats, -O3, gcc-arm-none-eabi, 160 MHz|SAMD51J20A<br>ARM Cortex M4F|October, 2019|
 |0.013|prior|Intel Pentium Pro|C|prior|
+|0.0128|[pi.c](https://gitlab.cba.mit.edu/zfredin/stm32f412_core/tree/master/nucleo-f412zg/pi)|C<br>floats, -O3, gcc-arm-none-eabi, 84 MHz|STM32F412<br>ARM Cortex M4F|October, 2019|
 |0.010|prior|Cray Y-MP4/464|C, scalar|prior|
 |0.006|[pi.ino](Arduino/pi.ino)|Arduino, floats|ESP32-WROOM|December, 2020|
 |0.001|prior|Sun SPARCStation 1|C|prior|