Winnie Siu

Bib: 13541FAge: 44

El Monte, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 5177
Gender (Female)
#0 / 2293
Masters (Masters Women)
#0 / 617
Division (F40-44)
#0 / 192
Race Day Weather
56°/46°F
overcast clouds

⏱️ 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
2.13M
14:54/mi
31:45
→ flat
6.62M
11:32/mi
1:23:31
299780.9%
7.12M
19:00/mi
1:33:01
271.0%
10.65M
12:12/mi
2:16:05
1273601.3%
Finish· 13.11 mi
13:09/mi
2:48:24
2441141.0%

The Course

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Half Splits

1st Half· via 6.62MFaster
Distance6.62 mi
Time1:23:31
Pace12:37 /mi
2nd Half
Distance6.49 mi
Time1:24:53
Pace13:05 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:42:4331:4514:5431:45
14:54
-
6.62M
6.62 mi08:34:291:23:3112:3751:46
11:32
-3:22
7.12M
7.12 mi08:43:591:33:0113:049:30
19:00
+7:28
10.65M
10.65 mi09:27:032:16:0512:4743:04
12:12
-6:48
Finish
13.11 mi09:59:222:48:2412:5132:19
13:09
+0:57

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

11:32 /mi

Average Pace

12:51 /mi

Slowest Pace

19:00 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:46

31% of race

Time at Steady Pace

1:15:23

45% of race

Time at Slower Pace

41:15

24% of race

Average Pace: 12:51 /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
2.13M
2.13 mi07:42:4331:4514:5431:45
14:54
#4703
6.62M
6.62 mi08:34:291:23:3112:3751:46
11:32
#4428
7.12M
7.12 mi08:43:591:33:0113:049:30
19:00
#4491
10.65M
10.65 mi09:27:032:16:0512:4743:04
12:12
#4558
Finish
13.11 mi09:59:222:48:2412:5132:19
13:09
#4616
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2.13M2.13 mi2.13 mi470319901584703(Top 91%)1990(Top 87%)158(Top 82%)
6.62M6.62 mi4.49 mi4428+2751837+153141+174275(Top 83%)1756(Top 77%)133(Top 69%)
7.12M7.12 mi0.50 mi4491-631873-36145-44848(Top 94%)2072(Top 90%)168(Top 88%)
10.65M10.65 mi3.53 mi4558-671916-43150-54639(Top 90%)1976(Top 86%)159(Top 83%)
Finish13.11 mi2.46 mi4616-581956-40156-64772(Top 92%)2078(Top 91%)170(Top 89%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 91%
~flat
+6ft-3ft

Overall

4703

Females

1990

F40-44

159

2.13M→6.62M

2.1 - 6.6 mi

Top 83%
×19story building
+299ft-78ft

Overall

4275

Females

1756

F40-44

133

6.62M→7.12M

6.6 - 7.1 mi

Top 94%
×2story building
+27ft-0ft

Overall

4848

Females

2072

F40-44

168

7.12M→10.65M

7.1 - 10.7 mi

Top 90%
×21story building
+127ft-360ft

Overall

4639

Females

1976

F40-44

159

10.65M→Finish

10.7 - 13.1 mi

Top 92%
×17story building
+244ft-114ft

Overall

4772

Females

2078

F40-44

170

Passing Analysis

Category:
Athletes Passed
386*
Passed By
299
Net Change
+87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#4703
2.13M6.62M312*37+275#4703#4428
6.62M7.12M7*70-63#4428#4491
7.12M10.65M47*114-67#4491#4558
10.65MFinish20*78-58#4558#4616
TOTALS386*299+87

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events