Cassy Koo

Bib: 13336FAge: 33

Hong Kong

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 38%
Gender (Female)
#0 / 3107
Top 26%
Division (F30-34)
#0 / 691
Top 25%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:10/mi
18:24
→ flat
5.34M
9:44/mi
52:45
8074
6.15M
9:44/mi
1:00:38
1262.8%
10.54M
9:48/mi
1:43:39
2303610.6%
11.05M
12:50/mi
1:50:12
1726.4%
Finish· 13.11 mi
9:50/mi
2:10:27
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:00:38
Pace9:52 /mi
2nd Half
Distance6.96 mi
Time1:09:49
Pace10:02 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:53:4118:2410:1018:24
10:10
-
5.34M
5.34 mi07:28:0252:459:5334:21
9:44
-0:26
6.15M
6.15 mi07:35:551:00:389:527:53
9:44
0:00
10.54M
10.54 mi08:18:561:43:399:5043:01
9:48
+0:04
11.05M
11.05 mi08:25:291:50:129:586:33
12:50
+3:02
Finish
13.11 mi08:45:442:10:279:5720:15
9:50
-3:00

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:44 /mi

Average Pace

9:57 /mi

Slowest Pace

12:50 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:03:54

95% of race

Time at Slower Pace

6:33

5% of race

Average Pace: 9:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi06:53:4118:2410:1018:24
10:10
#4235
5.34M
5.34 mi07:28:0252:459:5334:21
9:44
#3325
6.15M
6.15 mi07:35:551:00:389:527:53
9:44
#3141
10.54M
10.54 mi08:18:561:43:399:5043:01
9:48
#2885
11.05M
11.05 mi08:25:291:50:129:586:33
12:50
#2826
Finish
13.11 mi08:45:442:10:279:5720:15
9:50
#2688
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi423515043424235(Top 60%)1504(Top 48%)342(Top 49%)
5.34M5.34 mi3.53 mi3325+9101064+440235+1073019(Top 43%)922(Top 30%)198(Top 29%)
6.15M6.15 mi0.81 mi3141+184981+83216+192319(Top 33%)632(Top 20%)128(Top 19%)
10.54M10.54 mi4.39 mi2885+256882+99192+242636(Top 37%)772(Top 25%)173(Top 25%)
11.05M11.05 mi0.51 mi2826+59853+29188+42318(Top 33%)669(Top 22%)133(Top 19%)
Finish13.11 mi2.06 mi2688+138807+46175+132259(Top 32%)649(Top 21%)142(Top 21%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 60%
~flat
+4ft-3ft

Overall

4235

Females

1504

F30-34

343

1.81M→5.34M

1.8 - 5.3 mi

Top 43%
×4story building
+80ft-74ft

Overall

3019

Females

922

F30-34

199

5.34M→6.15M

5.3 - 6.2 mi

Top 33%
×10story building
+126ft-4ft

Overall

2319

Females

632

F30-34

129

6.15M→10.54M

6.2 - 10.5 mi

Top 37%
×21story building
+230ft-361ft

Overall

2636

Females

772

F30-34

174

10.54M→11.05M

10.5 - 11.1 mi

Top 33%
×14story building
+172ft-0ft

Overall

2318

Females

669

F30-34

133

11.05M→Finish

11.1 - 13.1 mi

Top 32%
×7story building
+97ft-114ft

Overall

2259

Females

649

F30-34

142

Passing Analysis

Category:
Athletes Passed
1657*
Passed By
110
Net Change
+1547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4235
1.81M5.34M928*18+910#4235#3325
5.34M6.15M1917+184#3325#3141
6.15M10.54M307*51+256#3141#2885
10.54M11.05M7415+59#2885#2826
11.05MFinish157*19+138#2826#2688
TOTALS1657*110+1547

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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