Ultra Marathon Registration Software Built for Remote Courses and Long Race Days

Ultras don’t run like traditional road races, and RunSignup covers every step from the first registration to the last finisher.

  • Self-serve transfers and deferrals
  • Custom questions and multiple waivers
  • Offline RaceDay timing tools
  • RaceJoy runner safety tracking

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Why Ultra and Trails Race Are Different

Ultras bring operation challenges a 5K never does.

Long Registration Windows

Runners commit 9 to 12 months out, so pricing and transfers need to run on their own.

Remote Course Logistics

Courses often have no cell service, so RaceDay tools have to work offline and sync later.

Runner Safety on Course

Runners spend hours or days spread across remote terrain, which makes tracking and SOS alerts essential.

Complex Participant Date

Pacers, crew, qualifying details, and multiple waivers all get collected at registration.


Ultras On RunSignup in 2025

Ultras Hosted

Growth in Ultra Participants

Ultra Participants


Built for Ultra and Trail Race Directors

From 100-milers to backyard ultras, trail and ultra organizers across the country run their events on RunSignup.


Key Features for Ultra and Trail Races

Self-Serve Participant Management
  • Let runners handle their own distance transfers, bib transfers, and deferrals within the rules you set
  • Allow changes for free or add a transfer fee to recover admin costs
  • Cut down on the customer service emails that a 12-month registration window brings

The Full Ultra & Trail Race Toolkit


How it Works: Get Your Race Race Up and Running

From setup to race day, here’s everything it takes to get your event running on RunSignup.

Set up each distance and start time in the Race Wizard.

Add custom questions for pacers and crew, plus up to three waivers.

Build your free website and open registration with automated pricing.

Let runners handle transfers & deferrals themselves across the full registration window.

Check in runners, track them on course with RaceJoy, and post results as finishers come in.

Ultra and Trail Races Running on RunSignup

Trail Racing Over Texas

Trail Racing Over Texas

TROT modernized its ultra race operations by switching to RunSignup, cutting race-day chaos down to a fraction of what it used to be.

  • Annual Events:12
  • Reduction in Check-In Time:90% (3 hours → 10 minutes)
  • Years on RunSignup:2
Read the Full Story
Blackbeard's Revenge 100 Ultra and Relay

Blackbeard’s Revenge 100

Trivium Racing runs a point-to-point ultra across the Outer Banks with RunSignup’s volunteer platform, free email, and RaceJoy tracking.

  • Race Distances:100 Miles, 100K, and 100-Mile Relay
  • Total Participants:500+
  • RaceJoy Adoption:43% of participants tracked
Read the Full Story

See Ultra and Trail Tools in Action

Ready to Host Your Ultra or Trail Race with RunSignup?

Create your race website today


What types of events use RunSignup’s ultra marathon registration software?

How do ultra races manage transfers and deferrals over long registration windows?

Can I collect pacer, crew, and qualifying information during registration?

How can I track runner safety on a remote ultra course?

Do RaceDay tools work on courses without cell service?

How much does ultra marathon registration software cost on RunSignup?

The Latest Blogs on Ultra & Trails Races

Trail and Ultras on RunSignup

Trail races and ultrarunning continue to grow in popularity, and race organizers need technology that can keep up. RunSignup continues to lead the way as a technology-based registration platform, supporting a growing number of trail and ultras with powerful tools for registration,…

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San Antonio Road Runners Prickly Pear 50K/15K/5K

The Prickly Pear 50K/15K/5K, the oldest trail race in Bear County at 23 years, is one of two trail races organized by the San Antonio Road Runners (SARR). While most of the club activities are centered around road racing, Prickly Pear Race…

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Why Technology Matters for Ultra and Trail Races

At RunSignup we know that organizing trail and ultra races takes as much effort as running them. And our team features plenty of running nerds — including trail & ultra runners who understand the challenges (and rewards) firsthand. Because of that, we…

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Blackbeard’s Revenge 100 Ultra & Relay

Blackbeard’s Revenge 100, a “road race as bold and untamed as the pirate it’s named for”, was introduced by Trivium Racing in 2019 to fill a gap left by the cessation of another long-standing 100-miler. While the second running of the race…

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NEW Mobile Timing App Photo Capture Integration

We are very excited to announce the new RaceDay Mobile Timing App Version 5 with Photo Capture integration. This significant update enables race timers with the ability to capture and auto-tag participant photos directly from the app. Images are instantly linked to…

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Human Potential Running Series

Since 2014 the Human Potential Running Series (HPRS) has created an inclusive place for all interested to participate in trail and ultra races. With a core focus on community instead of competition, it’s no wonder why they’ve become the largest trail and…

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Ultra and Trail Races on RunSignup

RunSignup has become the technology home for many Ultra and Trail races, with a growing number moving to our platform. This blog reviews some of the top reasons Ultras and Trail races use RunSignup and example data and races. Free Website –…

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Scout Mountain Ultras

About the Scout Mountain Ultras Scout Mountain Ultras is an environmental event with a running problem. When race directors Luke & Tanae took over the event in 2011 they were determined to use the event as a way to elevate the environmental…

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Massive RaceJoy Usage at the Midstate Massive Ultra Trail Race

The Midstate Massive Ultra Trail event, a point-to-point trail race with distances of 100, 50 and 30 miles in Massachusetts, has offered RaceJoy since its inception of 2019. This popular ultra New England event attracted close to 350 participants this last weekend and 78%…

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