Melissa Chuang

San Francisco, CA

Bib: 12989 F 31

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 45%
Gender (Female)
#0 / 3107
Top 33%
Division (F30-34)
#0 / 691
Top 32%
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
9:37/mi
17:25
→ flat
5.34M
9:24/mi
50:37
8074
6.15M
10:04/mi
58:46
126
10.54M
10:38/mi
1:45:26
230361
11.05M
13:30/mi
1:52:19
172
Finish· 13.11 mi
11:02/mi
2:15:02
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
58:469:33 /mi⚡ faster
2nd Half
1:16:1610:58 /mi+29.8%
Positive split — 29.8% 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
17:259:371.81 mi17:25
9:37
-
5.34M
50:379:293.53 mi33:12
9:24
-0:13
6.15M
58:469:330.81 mi8:09
10:04
+0:40
10.54M
1:45:2610:004.39 mi46:40
10:38
+0:34
11.05M
1:52:1910:100.51 mi6:53
13:30
+2:52
Finish(13.11 mi)
2:15:0210:182.06 mi22:43
11:02
-2:28
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:24 /mi

Average Pace

10:18 /mi

Slowest Pace

13:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

50:37

37% of race

Time at Steady Pace

1:17:32

57% of race

Time at Slower Pace

6:53

5% of race

Average Pace: 10:18 /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 mi31099592143109959214
5.34M3.53 mi2657+452774+185165+492478696151
6.15M0.81 mi2644+13768+6164+12809842182
10.54M4.39 mi3135-491983-215219-5537731292292
11.05M0.51 mi3102+33969+14216+32849900199
Finish(13.11 mi)2.06 mi3184-821013-44224-838651422315

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 44%
~flat
+4ft-3ft

Overall

3109

Females

959

F30-34

215

1.81M→5.34M

1.8 - 5.3 mi

Top 35%
×4story building
+80ft-74ft

Overall

2478

Females

696

F30-34

152

5.34M→6.15M

5.3 - 6.2 mi

Top 40%
×10story building
+126ft-4ft

Overall

2809

Females

842

F30-34

183

6.15M→10.54M

6.2 - 10.5 mi

Top 53%
×21story building
+230ft-361ft

Overall

3773

Females

1292

F30-34

293

10.54M→11.05M

10.5 - 11.1 mi

Top 40%
×14story building
+172ft-0ft

Overall

2849

Females

900

F30-34

199

11.05M→Finish

11.1 - 13.1 mi

Top 54%
×7story building
+97ft-114ft

Overall

3865

Females

1422

F30-34

315

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3109
1.81M5.34M
48500*+452
#3109 #2657
5.34M6.15M
4457+13
#2657 #2644
6.15M10.54M
53241*-491
#2644 #3135
10.54M11.05M
2962+33
#3135 #3102
11.05MFinish
12139*-82
#3102 #3184
TOTALS
774699*-75
#3109 #3184

* 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

Race Place Events

Race Place Events