In terms of race finishers, here are their shoe preferences.
Hoka - 34.5%
Brooks - 19.6%
Altra - 16.5%
Montrail - 9.3%
Salomon - 8.8%
Pearl Izumi - 5.7%
In terms of sub-24 hours finishers, here are the results.
Hoka - 34.7
Altra - 16.7%
Montrail - 12.%
Saolomon - 11.1%
Brooks, New Balance, and Nike - 8.3% each
The survey also asked about sock preference, lighting preference and even coaching.
You can access the results here: