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SF MARATHON 1ST HALF 2023

Josephine Tsang

Bib: 16013•F•Age: 26

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 34%
Gender (Female)
#0 / 2732
Top 24%
Division (F25-29)
#0 / 629
Top 29%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:25/mi
13:11
→ flat
2.13M
18:21/mi
26:35
→ flat
6.43M
10:59/mi
1:13:50
↑ 274↓ 780.9%
6.62M
-36:-56/mi
1:07:00
↑ 161.6%
10.65M
9:32/mi
1:45:24
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:01/mi
2:07:35
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:07:00
Pace10:07 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:00:35
Pace9:20 /mi
📊Negative Split: 9.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:58:4013:119:2513:11
9:25
-
2.13M
2.13 mi07:12:0426:3512:2913:24
18:21
+8:56
6.43M
6.43 mi07:59:191:13:5011:2947:15
10:59
-7:22
6.62M
6.62 mi07:52:291:07:0010:07
-36:-56
-47:55
10.65M
10.65 mi08:30:531:45:249:5438:24
9:32
+46:28
Finish
13.11 mi08:53:042:07:359:4422:11
9:01
-0:31

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

-37:-56 /mi

Average Pace

9:44 /mi

Slowest Pace

18:21 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:35

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:44 /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
1.40M
1.40 mi06:58:4013:119:2513:11
9:25
#3101
2.13M
2.13 mi07:12:0426:3512:2913:24
18:21
#2659
6.43M
6.43 mi07:59:191:13:5011:2947:15
10:59
#2103
6.62M
6.62 mi07:52:291:07:0010:07
-36:-56
#2024
10.65M
10.65 mi08:30:531:45:249:5438:24
9:32
#2078
Finish
13.11 mi08:53:042:07:359:4422:11
9:01
#2065
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi310111123013101(Top 51%)1112(Top 41%)301(Top 48%)
2.13M2.13 mi0.73 mi2659+442889+223246+552419(Top 40%)799(Top 29%)222(Top 35%)
6.43M6.43 mi4.30 mi2103+556660+229184+621932(Top 32%)598(Top 22%)169(Top 27%)
6.62M6.62 mi0.19 mi2024+79634+26180+4---
10.65M10.65 mi4.03 mi2078-54655-21184-42367(Top 39%)787(Top 29%)219(Top 35%)
Finish13.11 mi2.46 mi2065+13654+11842167(Top 36%)719(Top 26%)196(Top 31%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 51%
~flat
+3ft-2ft

Overall

3101

Females

1112

F25-29

302

1.40M→2.13M

1.4 - 2.1 mi

Top 40%
~flat
+3ft-1ft

Overall

2419

Females

799

F25-29

226

2.13M→6.43M

2.1 - 6.4 mi

Top 32%
×17story building
+274ft-78ft

Overall

1932

Females

598

F25-29

169

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 39%
×21story building
+153ft-361ft

Overall

2367

Females

787

F25-29

219

10.65M→Finish

10.7 - 13.1 mi

Top 36%
×17story building
+244ft-114ft

Overall

2167

Females

719

F25-29

196

Passing Analysis

Category:
Athletes Passed
1391*
Passed By
355
Net Change
+1036
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3101
1.40M → 2.13M48341+442#3101#2659
2.13M → 6.43M609*53+556#2659#2103
6.43M → 6.62M11031+79#2103#2024
6.62M → 10.65M101*155-54#2024#2078
10.65M → Finish88*75+13#2078#2065
TOTALS1391*355+1036

* 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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