Grace Song

Cerritos, CA

Bib: 16545 F 34

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 47%
Gender (Female)
#0 / 3107
Top 35%
Division (F30-34)
#0 / 691
Top 35%
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
10:11/mi
18:26
→ flat
5.34M
10:10/mi
54:21
8074
6.15M
10:30/mi
1:02:51
126
10.54M
10:29/mi
1:48:53
230361
11.05M
12:43/mi
1:55:22
172
Finish· 13.11 mi
10:16/mi
2:16:31
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:02:5110:13 /mi⚡ faster
2nd Half
1:13:4010:35 /mi+17.2%
Positive split — 17.2% 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
18:2610:111.81 mi18:26
10:11
-
5.34M
54:2110:113.53 mi35:55
10:10
-0:01
6.15M
1:02:5110:130.81 mi8:30
10:30
+0:20
10.54M
1:48:5310:204.39 mi46:02
10:29
-0:01
11.05M
1:55:2210:260.51 mi6:29
12:43
+2:14
Finish(13.11 mi)
2:16:3110:252.06 mi21:09
10:16
-2:27
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:10 /mi

Average Pace

10:25 /mi

Slowest Pace

12:43 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:10:02

95% of race

Time at Slower Pace

6:29

5% of race

Average Pace: 10:25 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi4277153134642771531346
5.34M3.53 mi3846+4311303+228293+5337061233274
6.15M0.81 mi3747+991261+42283+1033761086248
10.54M4.39 mi3629+1181214+47271+1235831202266
11.05M0.51 mi3478+1511142+72256+152233635120
Finish(13.11 mi)2.06 mi3355+1231093+49243+132811917201

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 60%
~flat
+4ft-3ft

Overall

4277

Females

1531

F30-34

347

1.81M→5.34M

1.8 - 5.3 mi

Top 52%
×4story building
+80ft-74ft

Overall

3706

Females

1233

F30-34

275

5.34M→6.15M

5.3 - 6.2 mi

Top 48%
×10story building
+126ft-4ft

Overall

3376

Females

1086

F30-34

249

6.15M→10.54M

6.2 - 10.5 mi

Top 50%
×21story building
+230ft-361ft

Overall

3583

Females

1202

F30-34

267

10.54M→11.05M

10.5 - 11.1 mi

Top 31%
×14story building
+172ft-0ft

Overall

2233

Females

635

F30-34

120

11.05M→Finish

11.1 - 13.1 mi

Top 40%
×7story building
+97ft-114ft

Overall

2811

Females

917

F30-34

201

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4277
1.81M5.34M
82513*+431
#4277 #3846
5.34M6.15M
15114+99
#3846 #3747
6.15M10.54M
112230*+118
#3747 #3629
10.54M11.05M
2153+151
#3629 #3478
11.05MFinish
18141*+123
#3478 #3355
TOTALS
2291151*+922
#4277 #3355

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

Passing Visualized

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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

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