Domain Arrivals
You’re viewing the 2026-08-19 issue, not the current issue. Go to the current issue: 2026-09-12

Featured in Domain Arrivals · 2026-08-19

Trail Pace turns a 161-kilometre ultramarathon into a runnable clock

trailpace.run ↗ · Useful Tools · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

An interactive VMM 100 Miles pacing tool that calculates arrival times, departure times, and remaining cut-off margin at every checkpoint from a runner’s target finish time.

Why it surfaced

Trail Pace digitizes the race organizer’s course map and elevation profile for a 161 km, 8,425 m ultramarathon with 19 checkpoints and six water stations. Change a single rest-time value and the split table, cut-off clock, elevation view, and projected finish time update together.

Read the complete issue Observed source ↗

Continue into the edition

The Song Resumes After the Story

August 19’s newborn domains include a Hawaiʻi road-trip radio that resumes each song after a GPS-triggered story, an offline Chattanooga recovery map, a 100 KiB operating system running Doom, and an archive of 169,588 Discord roleplay messages.

This is one of 1,000 discoveries in the 2026-08-19 Domain Arrivals issue.

Explore the complete issue Browse Useful Tools

More from Useful Tools

Three more arrivals

The Perspective Machine Turns Income Into a World Tour theperspectivemachine.com

An interactive income visualization that places your earnings among people worldwide, then replays their relative weight across 147 countries.

 Atlas Radio — The Road Becomes the Dial echosatlas.com

An offline iPhone station for Hawaiʻi road trips that blends original music with GPS-triggered stories about places along the route.

 Wildfire Live Map, Watching the Planet Burn wildfirelivemap.com

A worldwide wildfire map that combines satellite heat detections, burned-area outlines, historical playback, and regional hotspot counts.