/Companies

Let's Do This

YC W18

London, GB · Founded 2017 · 75 employees · 14 known investors

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An online marketplace that connects participants to mass participation sports events and experiences.

Also known as SBAR Endurance, Inc. · Lets Do This · Lets Do This, LetsDoThis.com · LetsDoThis.com

Founders & leadership· Y Combinator alumni (W18)

Let's Do This was founded in 2017 by Sam Browne and Alex Rose.

SBSam Browne
Sam BrowneCo-founder & CEOSam Browne is founder and CEO of Let's Do This, a platform providing registration and participant experience services for mass participation sports events, including major marathons and tours.
ARAlex Rose
Alex RoseFounder
TE
Tom ElliottDirector of Engineering
JM
Jonathan MagnussonHead of Data
JL
James LeeksLead Recruiter
NL
Neil Lock
OF
Olly Freeman
MH
Marc HibbinsDirector of Engineeringformer
DF
Damian FiskTalent Leadformer
JA
Jean-Luc AdamsonHead of Recruitmentformer

Investors · 14

NFXlisted by NFXSan Francisco · $250K – $5M

How we know: funding news · press coverage · Y Combinator's founder network · Not right? Tell us

Agrolimen Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Craft VenturesreportedSan Francisco · $50K – $50M

How we know: a partner's Signal profile · techcrunch.com · Y Combinator's founder network · Not right? Tell us

HeadlinereportedSan Francisco · $1M – $50M

How we know: a partner's Signal profile · techcrunch.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Limited VenturesreportedMiami

How we know: Y Combinator's founder network · Not right? Tell us

Morpheus VenturesreportedSherman Oaks · $1M – $10M

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Shasta Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 8

RunSignUpRunSignup is an employee-owned technology company that provides a free, end-to-end registration, marketing, fundraising, and race-day management platform for endurance and running events. It also offers TicketSignup for ticketed events and GiveSignup for peer-to-peer fundraising events, serving race directors and event organizers in the US.
The Ticket FairyThe Ticket Fairy provides event ticketing and management software to venue operators and promoters in multiple countries, helping them handle sales, marketing, and audience analytics for live events.
Race RosterRace Roster provides software for endurance event organizers and race directors to grow, manage, and execute running and endurance events, including registration and results/timing technology. It was founded by event organizers and athletes and serves race organizers within the endurance sports industry.
KalshiKalshi operates a federally regulated futures exchange that allows users to trade contracts based on the outcomes of real-world events, creating a new market for event-based financial derivatives.
RunnaRunna provides personalized running training plans for athletes of all levels, from beginners to elite competitors, covering distances from 5K to ultramarathons. The app integrates with wearables like Apple Watch and Garmin to track workouts and includes strength training, injury recovery, and coaching support.
NovigNovig operates a sports prediction market where users can trade on sporting outcomes without paying commissions. The platform replaces the traditional sportsbook model with a commission-free structure aimed at offering better pricing and market transparency.
BaltoBalto provides software that simplifies contest management by automating administrative tasks and enabling organizers to oversee large numbers of participants.
LivementLivement provides event ticketing software that integrates primary and secondary market control to prevent fraud and unauthorized reselling, allowing organizers to manage ticket resales directly.

Companies working in the same space as Let's Do This.

Legal entities · 1

corporate structure
SBAR Endurance, Inc.

Companies House · registry record

View on Companies House ↗
Registered name
LET'S DO THIS LIMITED
Company number
09714910
Status
Active
Company type
Private limited company
Incorporated
3 Aug 2015
Registered office
141 Leigh Park Road, Bradford On Avon, Wiltshire, BA15 1TQ
Nature of business (SIC)
70210 — Public relations and communications activities
Accounts
last made up to 31 Aug 2025 · next due 31 May 2027
Confirmation statement
last made up to 2 Aug 2025 · next due 16 Aug 2026

Current officers · 1

  • Alastair Guy Molyneux Brunker — director, appointed 3 Aug 2015

Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

Frequently asked questions

What does Let's Do This do?
An online marketplace that connects participants to mass participation sports events and experiences.
Who founded Let's Do This?
Let's Do This was founded by Sam Browne, Alex Rose in 2017.
Who are Let's Do This's investors?
Let's Do This's investors include Arbor Ventures UK, FJ Labs, Hummingbird Ventures, NFX, Y Combinator, Agrolimen Ventures, Craft Ventures, EQT Ventures and 6 more.
Where is Let's Do This headquartered?
Let's Do This is headquartered in London, GB.