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PaceForge
Race pace planner for runners — offline, no account, free
Plan a race from one recent result: predicted finish times, VDOT training paces, even or negative splits, heart-rate zones and a treadmill converter. Works offline, no account, 7 languages. Built by a runner who got tired of spreadsheets.
Hi Product Hunt 👋
I'm a runner and a solo developer. Every time I signed up for a race I ended up in the same spreadsheet: take my last 10K, guess a marathon time, work out splits, look up training paces, convert treadmill speed… and do it all again a month later.
PaceForge is that spreadsheet turned into an app I actually want to open:
• Race Predictor — enter one recent result, get predicted times for 5K to marathon (Daniels & Gilbert / Riegel)
• Training Paces — easy, marathon, threshold, interval and repetition paces from your VDOT
• Race Plans — even or negative splits, per-mile or per-km, saved so you can tweak them on race week
• Heart-rate zones — Tanaka / Karvonen, with the actual citations on the screen
• Treadmill converter, track splits, PR log
Things I cared about that most pace apps don't do:
– Fully offline. Nothing leaves your phone. No account, no login.
– 7 languages (EN, ES, FR, DE, IT, PT, JA).
– Free. It shows a few ads to stay that way; that's the whole business model.
It's iPhone-only for now. I'd love to hear what you'd want next — more distances, Apple Watch, a web version? Brutal feedback welcome. Thanks for looking!
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About PaceForge on Product Hunt
“Race pace planner for runners — offline, no account, free”
PaceForge was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #239 on the daily leaderboard. Plan a race from one recent result: predicted finish times, VDOT training paces, even or negative splits, heart-rate zones and a treadmill converter. Works offline, no account, 7 languages. Built by a runner who got tired of spreadsheets.
PaceForge was featured in iOS (111.1k followers), Health & Fitness (83.5k followers) and Productivity (665.4k followers) on Product Hunt. Together, these topics include over 253.1k products, making this a competitive space to launch in.
Who hunted PaceForge?
PaceForge was hunted by Guo Ling. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Guo Ling