Relentless: Audiobook
According to The Books Insider's catalog data, the Relentless audiobook runs 9.7 hours unabridged, narrated by Paul Thornley (about 6.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 9.7 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 20 days |
| 1 hour / day | 10 days |
| 2 hours / day | 5 days |
| 1 hour / day at 1.5× | 7 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 9.7 hours, it runs longer than 59% of the 13,042 Suspense audiobooks in our catalog.
More narrated by Paul Thornley
Paul Thornley narrates 132 unabridged audiobooks in our catalog, 1,372 hours in all.
About as long, on the Suspense shelf
3,193 Suspense audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Relentless is an audiobook by Simon Kernick: a 9.7-hour unabridged recording, read by Paul Thornley, released May 1, 2008, on the Suspense shelf.
The listen at a glance
- Length
- 9.7 hrs
- Narrated by
- Paul Thornley
- Released
- May 1, 2008
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Suspense
- ISBN
- 9781407426464
How to listen to Relentless free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Relentless audiobook?
Relentless runs 9.7 hours unabridged. At 1.5× speed that drops to roughly 6.4 hours.
Is the Relentless audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Relentless?
Relentless is narrated by Paul Thornley.