The safe way to swap sold‑out race entries
We are building the trusted substitution management platform for runners to securely swap entries for sold out races in South Africa.
Our mission
To ensure no race entry goes to waste.
We prevent scams by verifying entries from withdrawers and ensuring runners swap through a safe and trusted channel.
No more scams
No high resales
We protect runners from inflated resale prices by keeping all substitutions fair and ethical at a standard rate.
We aim to align with ASA guidelines and work with race organizers to build a trusted, compliant substitution process.
ASA approved
Run with dignity
We caution against informal substitutions, ensuring runners find their next race through a secure and ethical path.
How it works
01
02
03
04
Race entries sold out ?
Can't make it?
Missed out on an entry?
Matched & confirmed
List your race on Substr. We handle all substitution admin so you can focus on delivering your best race.
Request a withdrawal with either a refund (minus a small admin fee) or choose to give away your entry.
Runners without a spot can jump in and request an entry — first come, first served.
We verify sellers, match substitutes, confirm the substitution, and handle secure payments.
05
Already sorted a buyer or seller yourselves?
We'll still verify the entry and handle the payment handover for you.
Created by Runners
Substr was born from the shared frustration of missing out on sold‑out races, even though not everyone who registers ends up running. Our mission is simple: make sure no race entry goes unused by safely connecting runners to their next adventure.
We are shaping the future of race substitution management. Share your experience or learn more about what we are building.
Because every race matters
COMING SOON: A PILOT WITH ONE OF THE CAPE TOWN RACES !
The request buttons are not clickable as of yet.
