diff --git a/core/src/event.rs b/core/src/event.rs
index 70033de..15e2dcd 100644
--- a/core/src/event.rs
+++ b/core/src/event.rs
@@ -39,14 +39,6 @@ impl<'a, P: Props> Event<'a, P> {
         }
     }
 
-    pub fn ts(&self) -> Option<Timestamp> {
-        self.extent().map(|ts| *ts.end())
-    }
-
-    pub fn tss(&self) -> Option<Timestamp> {
-        self.extent().and_then(|ts| ts.start().cloned())
-    }
-
     pub fn extent(&self) -> Option<&Extent> {
         self.ts.as_ref()
     }
@@ -71,16 +63,27 @@ impl<'a, P: Props> Event<'a, P> {
         &'kv self,
         mut for_each: F,
     ) {
-        if let Some(ref ts) = self.ts {
-            if let Some(start) = ts.start() {
-                for_each(TSS_KEY.to_key(), start.to_value());
+        let mut reserved = || {
+            if let Some(ref ts) = self.ts {
+                if let Some(ts) = ts.to_point() {
+                    for_each(TS_KEY.to_key(), ts.to_value())?;
+                } else {
+                    let ts = ts.as_span();
+
+                    for_each(TSS_KEY.to_key(), ts.start.to_value())?;
+                    for_each(TS_KEY.to_key(), ts.end.to_value())?;
+                }
             }
 
-            for_each(TS_KEY.to_key(), ts.end().to_value());
-        }
+            for_each(TPL_KEY.to_key(), self.tpl.to_value())?;
+            for_each(MSG_KEY.to_key(), Msg::new_ref(self).to_value())?;
+
+            ControlFlow::Continue(())
+        };
 
-        for_each(TPL_KEY.to_key(), self.tpl.to_value());
-        for_each(MSG_KEY.to_key(), Msg::new_ref(self).to_value());
+        if let ControlFlow::Break(()) = reserved() {
+            return;
+        }
 
         self.props.for_each(for_each);
     }
diff --git a/core/src/time.rs b/core/src/time.rs
index 340fecf..4e5e6cf 100644
--- a/core/src/time.rs
+++ b/core/src/time.rs
@@ -1,4 +1,4 @@
-use core::{cmp, fmt, ops::RangeInclusive, str, str::FromStr, time::Duration};
+use core::{cmp, fmt, ops::Range, str, str::FromStr, time::Duration};
 
 use crate::{
     empty::Empty,
@@ -62,14 +62,14 @@ pub struct Extent(ExtentInner);
 
 #[derive(Clone)]
 enum ExtentInner {
-    Point(Timestamp),
-    Span(RangeInclusive<Timestamp>),
+    Point(Range<Timestamp>),
+    Span(Range<Timestamp>),
 }
 
 impl fmt::Debug for Extent {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self.0 {
-            ExtentInner::Point(ts) => fmt::Debug::fmt(&ts, f),
+            ExtentInner::Point(ref ts) => fmt::Debug::fmt(&ts.start, f),
             ExtentInner::Span(ref ts) => fmt::Debug::fmt(ts, f),
         }
     }
@@ -78,11 +78,11 @@ impl fmt::Debug for Extent {
 impl fmt::Display for Extent {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self.0 {
-            ExtentInner::Point(ts) => fmt::Display::fmt(&ts, f),
+            ExtentInner::Point(ref ts) => fmt::Display::fmt(&ts.end, f),
             ExtentInner::Span(ref ts) => {
-                fmt::Display::fmt(ts.start(), f)?;
-                write!(f, "..=")?;
-                fmt::Display::fmt(ts.end(), f)
+                fmt::Display::fmt(&ts.start, f)?;
+                write!(f, "..")?;
+                fmt::Display::fmt(&ts.end, f)
             }
         }
     }
@@ -90,28 +90,28 @@ impl fmt::Display for Extent {
 
 impl Extent {
     pub fn point(ts: Timestamp) -> Extent {
-        Extent(ExtentInner::Point(ts))
+        Extent(ExtentInner::Point(ts..ts))
     }
 
-    pub fn span(ts: RangeInclusive<Timestamp>) -> Extent {
-        if ts.start() == ts.end() {
-            Extent::point(*ts.end())
+    pub fn span(ts: Range<Timestamp>) -> Extent {
+        if ts.start == ts.end {
+            Extent::point(ts.end)
         } else {
             Extent(ExtentInner::Span(ts))
         }
     }
 
-    pub fn start(&self) -> Option<&Timestamp> {
+    pub fn as_span(&self) -> &Range<Timestamp> {
         match self.0 {
-            ExtentInner::Point(_) => None,
-            ExtentInner::Span(ref ts) => Some(ts.start()),
+            ExtentInner::Point(ref ts) => ts,
+            ExtentInner::Span(ref ts) => ts,
         }
     }
 
-    pub fn end(&self) -> &Timestamp {
+    pub fn to_point(&self) -> Option<&Timestamp> {
         match self.0 {
-            ExtentInner::Point(ref ts) => ts,
-            ExtentInner::Span(ref ts) => ts.end(),
+            ExtentInner::Point(ref ts) => Some(&ts.start),
+            ExtentInner::Span(_) => None,
         }
     }
 }
@@ -128,14 +128,14 @@ impl<'a> From<&'a Timestamp> for Extent {
     }
 }
 
-impl From<RangeInclusive<Timestamp>> for Extent {
-    fn from(span: RangeInclusive<Timestamp>) -> Extent {
+impl From<Range<Timestamp>> for Extent {
+    fn from(span: Range<Timestamp>) -> Extent {
         Extent::span(span)
     }
 }
 
-impl<'a> From<&'a RangeInclusive<Timestamp>> for Extent {
-    fn from(span: &'a RangeInclusive<Timestamp>) -> Extent {
+impl<'a> From<&'a Range<Timestamp>> for Extent {
+    fn from(span: &'a Range<Timestamp>) -> Extent {
         Extent::span(span.clone())
     }
 }
diff --git a/src/macro_hooks.rs b/src/macro_hooks.rs
index 4fddff7..d23b504 100644
--- a/src/macro_hooks.rs
+++ b/src/macro_hooks.rs
@@ -2,7 +2,7 @@ use core::{
     any::Any,
     fmt,
     future::Future,
-    ops::{ControlFlow, RangeInclusive},
+    ops::{ControlFlow, Range},
 };
 
 use emit_core::{
@@ -386,7 +386,7 @@ impl EventExtent for Timestamp {
     }
 }
 
-impl EventExtent for RangeInclusive<Timestamp> {
+impl EventExtent for Range<Timestamp> {
     fn to_extent(&self) -> Option<Extent> {
         Some(Extent::span(self.clone()))
     }
@@ -424,7 +424,7 @@ pub fn __private_span_start() -> Option<Timestamp> {
 pub fn __private_span_end(start: Option<Timestamp>) -> Option<Extent> {
     let end = ambient::get().now();
 
-    start.and_then(|start| end.map(|end| Extent::span(start..=end)))
+    start.and_then(|start| end.map(|end| Extent::span(start..end)))
 }
 
 #[repr(transparent)]
diff --git a/targets/otlp/src/logs.rs b/targets/otlp/src/logs.rs
index 0d3ae0c..0b4b5ac 100644
--- a/targets/otlp/src/logs.rs
+++ b/targets/otlp/src/logs.rs
@@ -64,7 +64,7 @@ impl emit_core::target::Target for OtlpLogsTarget {
     fn event<P: emit_core::props::Props>(&self, evt: &emit_core::event::Event<P>) {
         let time_unix_nano = evt
             .extent()
-            .map(|ts| ts.end())
+            .map(|ts| ts.as_span().end)
             .map(|ts| ts.to_unix().as_nanos() as u64)
             .unwrap_or_default();