Tracer: Audiobook
Book 1 of the Outer Earth series
According to The Books Insider's catalog data, the Tracer audiobook runs 13 hours unabridged, narrated by Sarah Borges and Jeff Harding (about 8.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 13 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 26 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 13 hours, it runs longer than 82% of the 3,417 Apocalyptic & Dystopian audiobooks in our catalog.
Catching up on Outer Earth
This is book 1. Books 1 to 3 run 40 hours in all.
More narrated by Sarah Borges
Sarah Borges narrates 45 unabridged audiobooks in our catalog, 470 hours in all.
About as long, on the Apocalyptic & Dystopian shelf
462 Apocalyptic & Dystopian 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
Tracer is book 1 of Rob Boffard's Outer Earth series: a 13-hour unabridged recording, read by Sarah Borges and Jeff Harding, released June 28, 2016, on the Apocalyptic & Dystopian and Space Opera shelves.
The listen at a glance
- Length
- 13 hrs
- Narrated by
- Sarah Borges, Jeff Harding
- Released
- June 28, 2016
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Apocalyptic & Dystopian, Space Opera
- Series
- Outer Earth #1
- ISBN
- 9781478909514
How to listen to Tracer 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 Tracer audiobook?
Tracer runs 13 hours unabridged. At 1.5× speed that drops to roughly 8.7 hours.
Is the Tracer audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Tracer?
Tracer is narrated by Sarah Borges and Jeff Harding.
Is Tracer worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.7 hours, saving 4.3 hours.