Chengcheng Feng

San Francisco, CA

Bib: 17895 F 39

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F35-39)
#0 / 389
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:51/mi
19:39
→ flat
5.34M
10:56/mi
58:16
8074
6.15M
11:03/mi
1:07:13
126
10.54M
11:09/mi
1:56:11
230361
11.05M
13:26/mi
2:03:02
172
Finish· 13.11 mi
11:03/mi
2:25:48
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:07:1310:56 /mi⚡ faster
2nd Half
1:18:3511:18 /mi+16.9%
Positive split — 16.9% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
19:3910:511.81 mi19:39
10:51
-
5.34M
58:1610:553.53 mi38:37
10:56
+0:05
6.15M
1:07:1310:560.81 mi8:57
11:03
+0:07
10.54M
1:56:1111:014.39 mi48:58
11:09
+0:06
11.05M
2:03:0211:080.51 mi6:51
13:26
+2:17
Finish(13.11 mi)
2:25:4811:072.06 mi22:46
11:03
-2:23
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:51 /mi

Average Pace

11:07 /mi

Slowest Pace

13:26 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:57

95% of race

Time at Slower Pace

6:51

5% of race

Average Pace: 11:07 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.81M1.81 mi5491215026554912150265
5.34M3.53 mi5065+4261932+218243+2249541874236
6.15M0.81 mi4935+1301858+74234+942041482190
10.54M4.39 mi4691+2441738+120217+1744461628205
11.05M0.51 mi4524+1671649+89209+82802880128
Finish(13.11 mi)2.06 mi4393+1311602+47199+1039051447174

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 77%
~flat
+4ft-3ft

Overall

5491

Females

2150

F35-39

265

1.81M→5.34M

1.8 - 5.3 mi

Top 70%
×4story building
+80ft-74ft

Overall

4954

Females

1874

F35-39

236

5.34M→6.15M

5.3 - 6.2 mi

Top 59%
×10story building
+126ft-4ft

Overall

4204

Females

1482

F35-39

190

6.15M→10.54M

6.2 - 10.5 mi

Top 63%
×21story building
+230ft-361ft

Overall

4446

Females

1628

F35-39

205

10.54M→11.05M

10.5 - 11.1 mi

Top 39%
×14story building
+172ft-0ft

Overall

2802

Females

880

F35-39

128

11.05M→Finish

11.1 - 13.1 mi

Top 55%
×7story building
+97ft-114ft

Overall

3905

Females

1447

F35-39

174

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5491
1.81M5.34M
78504*+426
#5491 #5065
5.34M6.15M
10140+130
#5065 #4935
6.15M10.54M
63307*+244
#4935 #4691
10.54M11.05M
4171+167
#4691 #4524
11.05MFinish
22153*+131
#4524 #4393
TOTALS
1771275*+1098
#5491 #4393

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

Passing Visualized

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