diff --git a/zenno/src/routes/mspeed/+page.svelte b/zenno/src/routes/mspeed/+page.svelte
index 61c277a..69c8c40 100644
--- a/zenno/src/routes/mspeed/+page.svelte
+++ b/zenno/src/routes/mspeed/+page.svelte
@@ -103,7 +103,7 @@
 	</div>
 	<div class="m-4 md:col-span-2 md:col-start-2">
 		<label for="raceLen">Race Distance</label>
-		<input type="number" id="raceLen" required bind:value={raceLen} class="w-full" />
+		<input type="number" id="raceLen" required min="1000" max="3600" step="100" bind:value={raceLen} class="w-full" />
 	</div>
 	<div class="m-4 self-center md:col-span-2">
 		<label for="isRunaway" class="mr-1 align-middle">Runaway</label>
diff --git a/zenno/src/routes/spurt/+page.svelte b/zenno/src/routes/spurt/+page.svelte
index d829f13..15d6aef 100644
--- a/zenno/src/routes/spurt/+page.svelte
+++ b/zenno/src/routes/spurt/+page.svelte
@@ -86,7 +86,7 @@
 	</div>
 	<div class="m-4 md:col-start-2">
 		<label for="raceLen">Race Distance</label>
-		<input type="number" id="raceLen" required bind:value={raceLen} class="w-full" />
+		<input type="number" id="raceLen" required min="1000" max="3600" step="100" bind:value={raceLen} class="w-full" />
 	</div>
 	<div class="m-4 self-center">
 		<label for="isCareer" class="mr-1 align-middle">In Career</label>