Rachel Mong

San Mateo, CA

Bib: 17503 F 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
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
9:44/mi
17:37
→ flat
5.34M
12:10/mi
1:00:34
8074
6.15M
13:43/mi
1:11:40
126
10.54M
13:30/mi
2:10:58
230361
11.05M
18:55/mi
2:20:37
172
Finish· 13.11 mi
13:17/mi
2:47:59
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:11:4011:39 /mi⚡ faster
2nd Half
1:36:1913:50 /mi+34.4%
Positive split — 34.4% 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
17:379:441.81 mi17:37
9:44
-
5.34M
1:00:3411:213.53 mi42:57
12:10
+2:26
6.15M
1:11:4011:390.81 mi11:06
13:43
+1:33
10.54M
2:10:5812:264.39 mi59:18
13:30
-0:13
11.05M
2:20:3712:440.51 mi9:39
18:55
+5:25
Finish(13.11 mi)
2:47:5912:492.06 mi27:22
13:17
-5:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:44 /mi

Average Pace

12:49 /mi

Slowest Pace

18:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

17:37

10% of race

Time at Steady Pace

2:20:43

84% of race

Time at Slower Pace

9:39

6% of race

Average Pace: 12:49 /mi

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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 mi3387108224533871082245
5.34M3.53 mi5643-22562246-1164512-26761892556578
6.15M0.81 mi5790-1472328-82528-1664012677613
10.54M4.39 mi6149-3592537-209577-4964312732629
11.05M0.51 mi6167-182549-12582-562482616600
Finish(13.11 mi)2.06 mi6110+572528+21578+458652478574

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 48%
~flat
+4ft-3ft

Overall

3387

Females

1082

F30-34

246

1.81M→5.34M

1.8 - 5.3 mi

Top 87%
×4story building
+80ft-74ft

Overall

6189

Females

2556

F30-34

579

5.34M→6.15M

5.3 - 6.2 mi

Top 90%
×10story building
+126ft-4ft

Overall

6401

Females

2677

F30-34

614

6.15M→10.54M

6.2 - 10.5 mi

Top 91%
×21story building
+230ft-361ft

Overall

6431

Females

2732

F30-34

630

10.54M→11.05M

10.5 - 11.1 mi

Top 88%
×14story building
+172ft-0ft

Overall

6248

Females

2616

F30-34

601

11.05M→Finish

11.1 - 13.1 mi

Top 83%
×7story building
+97ft-114ft

Overall

5865

Females

2478

F30-34

574

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3387
1.81M5.34M
22648*-2256
#3387 #5643
5.34M6.15M
16215-147
#5643 #5790
6.15M10.54M
40142*-359
#5790 #6149
10.54M11.05M
3113-18
#6149 #6167
11.05MFinish
3188*+57
#6167 #6110
TOTALS
2889166*-2723
#3387 #6110

* 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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The San Francisco Marathon

The San Francisco Marathon

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