diff --git a/frontend/src/components/Applications/ApplicationExecutionModal.js b/frontend/src/components/Applications/ApplicationExecutionModal.js
index 4c27bf8..0741fb8 100644
--- a/frontend/src/components/Applications/ApplicationExecutionModal.js
+++ b/frontend/src/components/Applications/ApplicationExecutionModal.js
@@ -1,10 +1,11 @@
-import React, { useState, useEffect, useMemo } from 'react';
+import React, { useState, useEffect, useMemo, useRef } from 'react';
 import { applicationsAPI, propertiesAPI } from '../../services/api';
 import PropertyMap from '../Maps/PropertyMap';
 import toast from 'react-hot-toast';
 
 const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onComplete }) => {
   const [isTracking, setIsTracking] = useState(false);
+  const [isPaused, setIsPaused] = useState(false);
   const [gpsTrack, setGpsTrack] = useState([]);
   const [currentLocation, setCurrentLocation] = useState(null);
   const [currentSpeed, setCurrentSpeed] = useState(0);
@@ -14,6 +15,8 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
   const [previousTime, setPreviousTime] = useState(null);
   const [totalDistance, setTotalDistance] = useState(0);
   const [averageSpeed, setAverageSpeed] = useState(0);
+  const totalDistanceRef = useRef(0);
+  const wakeLockRef = useRef(null);
   const [sections, setSections] = useState([]);
   const [mapCenter, setMapCenter] = useState(null);
   const [planDetails, setPlanDetails] = useState(null);
@@ -124,6 +127,11 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
   }, [currentSpeed, targetSpeed]);
 
   // Start GPS tracking
+  const requestWakeLock = async () => {
+    try { if ('wakeLock' in navigator) { wakeLockRef.current = await navigator.wakeLock.request('screen'); } } catch {}
+  };
+  const releaseWakeLock = async () => { try { await wakeLockRef.current?.release(); } catch {} wakeLockRef.current = null; };
+
   const startTracking = () => {
     if (!navigator.geolocation) {
       toast.error('GPS not available on this device');
@@ -131,9 +139,9 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
     }
 
     setIsTracking(true);
-    setStartTime(new Date());
-    setGpsTrack([]);
-    setTotalDistance(0);
+    setIsPaused(false);
+    if (!startTime) setStartTime(new Date());
+    requestWakeLock();
     setPreviousLocation(null);
     setPreviousTime(null);
 
@@ -163,15 +171,13 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
           if (timeDiff > 0) {
             const speedMph = (distance / timeDiff) * 2.237; // Convert m/s to mph
             setCurrentSpeed(speedMph);
-            
-            setTotalDistance(prev => prev + distance);
+            const newTotal = totalDistanceRef.current + distance;
+            totalDistanceRef.current = newTotal;
+            setTotalDistance(newTotal);
             
             // Update average speed
             const totalTime = (timestamp - startTime) / 1000; // seconds
-            if (totalTime > 0) {
-              const avgSpeedMph = (totalDistance + distance) / totalTime * 2.237;
-              setAverageSpeed(avgSpeedMph);
-            }
+            if (totalTime > 0) setAverageSpeed((newTotal / totalTime) * 2.237);
           }
         }
 
@@ -201,6 +207,8 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
       setWatchId(null);
     }
     setIsTracking(false);
+    setIsPaused(true);
+    releaseWakeLock();
   };
 
   // Complete application
@@ -305,6 +313,12 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
       const response = await applicationsAPI.createLog(logData);
       console.log('CreateLog response:', response);
       toast.success('Application completed successfully');
+      // reset local tracking state
+      setGpsTrack([]);
+      setTotalDistance(0);
+      totalDistanceRef.current = 0;
+      setAverageSpeed(0);
+      setIsPaused(false);
       onComplete();
     } catch (error) {
       console.error('Failed to save application log:', error);
@@ -333,9 +347,8 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
   // Cleanup on unmount
   useEffect(() => {
     return () => {
-      if (watchId) {
-        navigator.geolocation.clearWatch(watchId);
-      }
+      if (watchId) navigator.geolocation.clearWatch(watchId);
+      releaseWakeLock();
     };
   }, [watchId]);
 
@@ -468,12 +481,7 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
         {/* Action Buttons */}
         <div className="flex gap-3">
           {!isTracking ? (
-            <button
-              onClick={startTracking}
-              className="btn-primary flex-1"
-            >
-              Start Application
-            </button>
+            <button onClick={startTracking} className="btn-primary flex-1">{isPaused ? 'Resume' : 'Start'} Application</button>
           ) : (
             <>
               <button
@@ -502,4 +510,4 @@ const ApplicationExecutionModal = ({ application, propertyDetails, onClose, onCo
   );
 };
 
-export default ApplicationExecutionModal;
\ No newline at end of file
+export default ApplicationExecutionModal;
diff --git a/frontend/src/pages/Mowing/Mowing.js b/frontend/src/pages/Mowing/Mowing.js
index a58be9a..ae59bab 100644
--- a/frontend/src/pages/Mowing/Mowing.js
+++ b/frontend/src/pages/Mowing/Mowing.js
@@ -1,8 +1,6 @@
-import React, { useEffect, useMemo, useState } from 'react';
-import { propertiesAPI, equipmentAPI } from '../../services/api';
-import { applicationsAPI } from '../../services/api';
-import { weatherAPI } from '../../services/api';
-import { apiClient } from '../../services/api';
+import React, { useEffect, useRef, useState } from 'react';
+import { propertiesAPI, equipmentAPI, apiClient } from '../../services/api';
+import * as turf from '@turf/turf';
 import toast from 'react-hot-toast';
 
 const directionOptions = [
@@ -24,11 +22,14 @@ const Mowing = () => {
   const [cutHeight, setCutHeight] = useState(3.0);
   const [direction, setDirection] = useState('N_S');
   const [tracking, setTracking] = useState(false);
+  const [isPaused, setIsPaused] = useState(false);
   const [gpsTrack, setGpsTrack] = useState([]);
   const [startTime, setStartTime] = useState(null);
-  const [totalDistance, setTotalDistance] = useState(0);
-  const [averageSpeed, setAverageSpeed] = useState(0);
+  const [totalDistance, setTotalDistance] = useState(0); // meters
+  const totalDistanceRef = useRef(0);
+  const [averageSpeed, setAverageSpeed] = useState(0); // mph
   const [watchId, setWatchId] = useState(null);
+  const wakeLockRef = useRef(null);
 
   useEffect(() => {
     const load = async () => {
@@ -71,25 +72,45 @@ const Mowing = () => {
     return 2 * R * Math.atan2(Math.sqrt(A), Math.sqrt(1-A));
   };
 
+  const requestWakeLock = async () => {
+    try {
+      if ('wakeLock' in navigator) {
+        wakeLockRef.current = await navigator.wakeLock.request('screen');
+      }
+    } catch (e) {
+      // Ignore if unsupported
+    }
+  };
+
+  const releaseWakeLock = async () => {
+    try {
+      await wakeLockRef.current?.release();
+    } catch {}
+    wakeLockRef.current = null;
+  };
+
   const start = () => {
     if (!selectedProperty || selectedSections.length === 0 || !selectedEquipment) {
       toast.error('Select property, sections and mower first');
       return;
     }
     if (!navigator.geolocation) { toast.error('GPS not available'); return; }
+    requestWakeLock();
     setTracking(true);
-    setStartTime(new Date());
-    setGpsTrack([]);
-    setTotalDistance(0);
+    setIsPaused(false);
+    // Resume if we already have a track
+    if (!startTime) setStartTime(new Date());
     const id = navigator.geolocation.watchPosition((pos) => {
       const { latitude, longitude, speed } = pos.coords;
       const point = { lat: latitude, lng: longitude, timestamp: new Date(pos.timestamp).toISOString(), speed: speed || 0 };
       setGpsTrack((prev) => {
         if (prev.length > 0) {
           const meters = haversineMeters(prev[prev.length-1], point);
-          setTotalDistance((d) => d + meters);
-          const seconds = (new Date(pos.timestamp) - startTime) / 1000;
-          if (seconds > 0) setAverageSpeed((( (d + meters) / seconds) * 2.237));
+          const newTotal = totalDistanceRef.current + meters;
+          totalDistanceRef.current = newTotal;
+          setTotalDistance(newTotal);
+          const seconds = startTime ? ((new Date(pos.timestamp) - startTime) / 1000) : 0;
+          if (seconds > 0) setAverageSpeed((newTotal / seconds) * 2.237);
         }
         return [...prev, point];
       });
@@ -103,12 +124,44 @@ const Mowing = () => {
     if (watchId) navigator.geolocation.clearWatch(watchId);
     setWatchId(null);
     setTracking(false);
+    setIsPaused(true);
+    releaseWakeLock();
   };
 
   const complete = async () => {
     stop();
     try {
       const durationSeconds = startTime ? Math.round((new Date() - startTime)/1000) : 0;
+      // Compute coverage using mower deck width if available
+      const mower = equipment.find(e => String(e.id) === String(selectedEquipment));
+      const widthInches = mower?.cuttingWidthInches || mower?.workingWidthInches || null;
+      let areaCoveredSqft = null;
+      if (widthInches && gpsTrack.length > 1 && sections.length > 0) {
+        try {
+          const line = turf.lineString(gpsTrack.map(p => [p.lng, p.lat]));
+          const bufferKm = (widthInches / 12 / 2) * 0.3048 / 1000; // inches -> ft -> meters -> km
+          const swath = turf.buffer(line, bufferKm, { units: 'kilometers' });
+          const plannedPolys = sections.map(s => {
+            let poly = s.polygonData;
+            if (typeof poly === 'string') { try { poly = JSON.parse(poly);} catch { poly = null; } }
+            if (!poly?.coordinates?.[0]) return null;
+            const coords = poly.coordinates[0].map(([lat,lng]) => [lng,lat]);
+            return turf.polygon([coords]);
+          }).filter(Boolean);
+          if (plannedPolys.length) {
+            const plannedUnion = plannedPolys.reduce((acc,cur)=> acc? turf.union(acc,cur):cur, null);
+            if (plannedUnion) {
+              const overlap = turf.intersect(swath, plannedUnion);
+              if (overlap) {
+                const sqm = turf.area(overlap);
+                areaCoveredSqft = Math.round((sqm / 0.092903));
+              }
+            }
+          }
+        } catch (e) {
+          // ignore coverage calculation errors
+        }
+      }
       const payload = {
         propertyId: Number(selectedProperty),
         lawnSectionIds: selectedSections.map(Number),
@@ -119,18 +172,26 @@ const Mowing = () => {
         averageSpeed: Math.max(averageSpeed, 0.1),
         durationSeconds,
         totalDistanceMeters: Math.round(totalDistance*100)/100,
+        areaCoveredSqft,
         notes: ''
       };
       const resp = await apiClient.post('/mowing/sessions', payload);
       toast.success('Mowing session saved');
       // reset
-      setGpsTrack([]); setStartTime(null); setTotalDistance(0); setAverageSpeed(0);
+      setGpsTrack([]); setStartTime(null); setTotalDistance(0); totalDistanceRef.current = 0; setAverageSpeed(0); setIsPaused(false);
     } catch (e) {
       console.error(e);
       toast.error(e.response?.data?.message || 'Failed to save session');
     }
   };
 
+  useEffect(() => {
+    return () => { // cleanup on unmount
+      if (watchId) navigator.geolocation.clearWatch(watchId);
+      releaseWakeLock();
+    };
+  }, [watchId]);
+
   return (
     <div className="p-6">
       <h1 className="text-2xl font-bold text-gray-900 mb-4">Mowing Tracker</h1>
@@ -170,7 +231,12 @@ const Mowing = () => {
       <div className="bg-white p-4 rounded shadow mb-4">
         <div className="flex gap-3">
           {!tracking ? (
-            <button className="btn-primary" onClick={start}>Start Tracking</button>
+            <>
+              <button className="btn-primary" onClick={start}>{isPaused ? 'Resume' : 'Start'} Tracking</button>
+              {gpsTrack.length > 0 && (
+                <button className="btn-secondary" onClick={() => { setGpsTrack([]); setStartTime(null); setTotalDistance(0); totalDistanceRef.current = 0; setAverageSpeed(0); setIsPaused(false); }}>Restart</button>
+              )}
+            </>
           ) : (
             <>
               <button className="btn-secondary" onClick={stop}>Pause</button>
@@ -190,4 +256,3 @@ const Mowing = () => {
 };
 
 export default Mowing;
-