What Referral Program Works Best?

We know referral programs work. But, if you’re investing time and money into a referral program, it makes sense that you’ll want to maximize the results. But the truth is, there isn’t really a one-size fits all referral program that works best for everyone. Instead, figuring out what referral program works best is a combination of picking the right threshold and reward for your event, and then promoting the program appropriately.

However, that doesn’t mean we don’t have advice to offer. In this blog, we look at some of the most successful programs from our 2025 Referral Rewards deep dive, and show you what they did well – and what types of events they work best for.


The Best Tried and True Referral Program

Referral Threshold: 5 referrals
Refund Reward: $20
Reward Repeats: no repeats
Race Cost: $29.95-$139.95

Why the Referral Program Worked

This race maintained the default setup for referral rewards programs on RunSignup: a 5 referral threshold, for a single $20 reward. And there’s a reason it’s the default: for relatively low effort and cost, the referral program had consistent results. It’s not the highest referral rate or the lowest cost, but it’s reliable: 10.1% of registrations from referrals at just $1.19 per acquisition.

How the Race Encouraged Referrals

Automated Registration Follow-Up Email:

The race further automated it’s referral program by enabling and customizing the Automated Registration Follow-Up email to include a reminder to refer, along with the registrant’s unique referral URL.

Race Website

The race setup a page on their race website with the eye-catching title “Get Money Back”. Here, they detailed the referral program and encouraged people to share the event in exchange for a refund.

The Results

Referral Stats Cards
Percent of Registrations
From Referrals
10.1%
Percent of Registrants
Who Made a Referral
4.1%
Percent of Referred Participants
Who Were New to the Race
82.6%
Cost Per Acquisition
of Referred Participants
$1.19

The Best Referral Program Program To Maximize Referrals

Referral Threshold: 5 referrals
Refund Reward: $25
Reward Repeats: Every 5 referrals
Race Cost: $100

Why the Referral Program Worked

This race slightly modified the default referral program, reducing the increasing the refund by $5 and adding additional refunds with additional referrals. In addition to the work they did to promote referrals (below), two things made this referral program a success: the race is virtual, and the price point is relatively high. This means that A) interaction around the race happens online (like referrals) and B) there is a strong incentive to share the registration link. In the end, this race had the highest rate of referred registrations of any of the races we reviewed.

How the Race Encouraged Referrals

The race used Email V2 to send registrants details about the referral program, along with a reminder to invite their community. The race leaned heavily into virtual community as a reason to run, and the referral appeal fit right in: it’s a way to get a refund, but it’s also a way to get more people involved in something positive.

The Results

Referral Stats Cards
Percent of Registrations
From Referrals
18.1%
Percent of Registrants
Who Made a Referral
5.9%
Percent of Referred Participants
Who Were New to the Race
New Race
Cost Per Acquisition
of Referred Participants
$2.39

The Best Referral Program to Get Everyone to Refer

The Referral Setup

Referral Threshold: 1 referral
Refund Reward: $2
Reward Repeats: Every Referral (to $10 total)
Race Cost: $42.95-$62.95

Why the Referral Program Worked

This race took an unusual tactic to encourage referrals: it offered a low refund ($2) at a very low threshold (1 referral), with the opportunity to earn up to a $10 refund by continuing to refer (with a $2 refund each time). While this doesn’t create a high level of investment in referring, the refund feels so accessible that many people share. This led to the highest rate of referrers of any event we reviewed, along with a very high rate of referred participants.

How the Race Encouraged Referrals

In addition to the automated referral pop-up upon the completion of registration, the race highlighted the referral opportunity in multiple ways:

Race Website:

The race highlighted the referral program on their race website, with an attention-grabbing graphic and an easy-to-understand explanation of how to earn a refund.

Automated Registration Follow-Up Email

The race set up automated registration follow-up emails to participants to remind them of the referral program, complete with a replacement tag giving them instant access to their referral URL.

The Results

Referral Stats Cards
Percent of Registrations
From Referrals
15.1%
Percent of Registrants
Who Made a Referral
8.6%
Percent of Referred Participants
Who Were New to the Race
New Race
Cost Per Acquisition
of Referred Participants
$2.00

The Best Referral Program to Keep Costs Low

Referral Threshold: 5 referrals
Refund Reward: $10
Reward Repeats: Every 5 registrations
Race Cost: $35-$175

Why the Referral Program Worked

This race went low-risk, with a low-dollar refund ($10) for a relatively high threshold (5 referrals), and tiered rewards ($20 after 10 referrals and a total refund after 15 referrals). The result is less motivation to refer, with only 3.3% of participants making a referral. However, 5.7% of participants (84.2% of them new to the race) is still a good boost. And, it comes at a very low cost: just $0.57 per referral.

How the Race Encouraged Referrals

The race website highlights the referral program clearly and concisely, with an emphasis on how the program tiers up and a recommendation for where to share the link to get your referrals.

The Results

Referral Stats Cards
Percent of Registrations
From Referrals
5.7%
Percent of Registrants
Who Made a Referral
3.3%
Percent of Referred Participants
Who Were New to the Race
84.2%
Cost Per Acquisition
of Referred Participants
$0.57

Bonus: The Best Referral Program Program For High Cost Events

This race hasn’t happened yet (July race date), so these numbers are incomplete. However, their approach to referral rewards is different, and as such, worth taking a look at in-progress.

Referral Threshold: 4 referrals
Refund Reward: $100
Reward Repeats: 2 times ($150 after 6, $250 after 10)
Race Cost: $245-$265

Why the Referral Program is Working

Simply put: they are offering a lot of money for referrals. This obviously doesn’t work for low-cost events, but for a race with a high entry fee, it’s a huge motivating factor to have refunds that can actually cover the cost of the event. The flip side is obviously a higher cost per acquisition ($7.06); however, when you consider the high-dollar value of each additional registration, $7 for $250 doesn’t seem so bad. So far, it’s working, with 9.5% of registrations from referrals (87.3% of them new to the race). Events with high registration costs may want to consider a referral plan that’s bolder and a bit more aggressive.

How the Race Encourages Referrals

The blurb on their race website takes things a step further than most events. They include a link that takes participants to all their referral links in their RunSignup profile, making it quick and easy for participants to take action to join the referral program.

The Results (so far)

Referral Stats Cards
Percent of Registrations
From Referrals
9.5%
Percent of Registrants
Who Made a Referral
5.7%
Percent of Referred Participants
Who Are New to the Race
87.3%
Cost Per Acquisition
of Referred Participants
$7.06

Summary: What Referral Program Works Best for Your Race

If you’re left thinking “it seems like a lot of different referral programs work“…you’re right! There is no one referral program that’s right for every race. So, to help you sort through the pros and cons of the referral program options, here’s a quick chart.

Simple Data Table
Your GoalReferral Program SetupWhy It’s for You
Get started with referrals with a low overhead, reliable referral program.5 referrals >> $20 reward
Single Tier
The default referral setup encourages referrals while limiting the number of people who will reach the refund. This program may not get you the most registrations, but it’ll consistently return 5%-10% with a low refund cost.
Maximize the number of referred registrations for my event.5 referrals >>$25 reward
Additional Refunds for Every 5 Referrals
Supercharge your referral program with a slightly higher refund and the opportunity to keep earning. While you’ll spend a bit more on per-person acquisition, the cost remains very reasonable ($2.39 per referral) it can be worth it for the significant participation increase.
Get everyone to share my race.1 referral >> $2 reward
Additional Refunds for Every Referrals (up to $10)
Races that don’t mind making many (small) refunds should consider this kind of out-of-the-box referral program. While there’s limited incentive for super-supporters who might otherwise share dozens of times, the ease of reaching these thresholds means a ton of people will be promoting your race.
Dip your toes in referrals while keeping potential costs low.5 referral >> $10 reward
Additional Refunds for Every 5 referrals
If you’re nervous about the number of refunds you’ll be on the hook for, start with a lower refund amount (and a high threshold). You probably won’t see as many referrals as some events, but you can sleep easily knowing your costs will stay in check.
Expensive events willing to be aggressive to reach new participants.4 referral >> $100 reward
Additional Refunds after 6 & 10 referrals
If you have a high price point and are willing to use some of your marketing budget towards referrals, the return on this one can be significant.

But remember: referrals only work if people know about them. Make sure you’re adding details about your program to your website, enabling automated registration follow-up emails with reminders to refer, and promoting the program on your social media.

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