169 entries have been received so far for June's Clerical Medical Parish Walk.
However, last year's winner Robbie Collister and record holder Sean Hands have yet to make their intentions clear.
The latest figure is just a fraction of the numbers expected to take part.
Last year, 1,329 registered to start the event.
Pre-TT Classic day two: road closure times
Billown Course closures for Saturday 25 May
2024 Pre-TT Classic getting underway today
Three days of racing beckons on the Billown Course
Laxey and Ramsey to face off in Hospital Cup final
Defending champions to meet northerners at The Bowl
TT site opening delayed until Sunday
It follows severe weather earlier this week
Athletics: Soaring demand for 2024 End-to-End Walk
Nearly 300 took part in last year's grueling race
FC Isle of Man to hold trials ahead of 24/25 season
Ravens inviting players aged 16 to 26 to take part
