Weilin Chang

Bib: 16062FAge: 45

Millbrae, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 2674
Top 44%
Gender (Female)
#0 / 1262
Top 32%
Masters (Masters Women)
#0 / 314
Top 22%
Division (F45-49)
#0 / 81
Top 28%
Race Day Weather
57°/47°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.95M
27:54
Rank: #1088
Start2.95M
27:54 | 9:27/mi
5M
48:38
Rank: #1114 (-26)
2.95M5M
20:44 | 10:07/mi
10.9M
1:46:20
Rank: #1136 (-22)
5M10.9M
57:42 | 9:47/mi
Finish· 13.11 mi
2:09:36
Rank: #1191 (-55)
10.9MFinish
23:16 | 10:32/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.95M
2.95 mi09:15:5327:549:2727:54
9:27
-
5M
5.00 mi09:36:3748:389:4420:44
10:07
+0:40
10.9M
10.90 mi10:34:191:46:209:4557:42
9:47
-0:20
Finish
13.11 mi10:57:352:09:369:5323:16
10:32
+0:45

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

9:27 /mi

Average Pace

9:53 /mi

Slowest Pace

10:32 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:20

82% of race

Time at Steady Pace

23:16

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:53 /mi

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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
2.95M
2.95 mi09:15:5327:549:2727:54
9:27
#1088
5M
5.00 mi09:36:3748:389:4420:44
10:07
#1114
10.9M
10.90 mi10:34:191:46:209:4557:42
9:47
#1136
Finish
13.11 mi10:57:352:09:369:5323:16
10:32
#1191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2.95M2.95 mi2.95 mi1088336211088(Top 41%)336(Top 27%)21(Top 26%)
5M5.00 mi2.05 mi1114-26344-819+21207(Top 45%)404(Top 32%)22(Top 27%)
10.9M10.90 mi5.90 mi1136-22368-2421-21182(Top 44%)396(Top 31%)23(Top 28%)
Finish13.11 mi2.21 mi1191-55402-3423-21423(Top 53%)560(Top 44%)30(Top 37%)

Segment Performance Analysis

Start → 2.95M

0.0 - 3.0 mi

Top 41%
×12stories
+220ft-72ft

Overall

1088

Females

336

F45-49

21

2.95M→5M

3.0 - 5.0 mi

Top 45%
×7stories
+126ft-83ft

Overall

1207

Females

404

F45-49

22

5M→10.9M

5.0 - 10.9 mi

Top 44%
×21stories
+184ft-406ft

Overall

1182

Females

396

F45-49

23

10.9M→Finish

10.9 - 13.1 mi

Top 53%
×1human
+11ft-14ft

Overall

1423

Females

560

F45-49

30

Passing Analysis

Category:
Athletes Passed
111*
Passed By
214
Net Change
-103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.95M----#1088
2.95M5M30*56-26#1088#1114
5M10.9M61*83-22#1114#1136
10.9MFinish20*75-55#1136#1191
TOTALS111*214-103

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon