Melissa Zhou

Bib: 12857FAge: 31

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 31%
Gender (Female)
#0 / 3107
Top 19%
Division (F30-34)
#0 / 691
Top 19%
Race Day Weather
56°/46°F
light rain

⏱️ 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
1.81M
7:59/mi
14:27
→ flat
5.34M
8:45/mi
45:19
8074
6.15M
9:53/mi
53:19
1262.8%
10.54M
9:38/mi
1:35:38
2303610.6%
11.05M
14:44/mi
1:43:09
1726.4%
Finish· 13.11 mi
11:05/mi
2:05:58
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time53:19
Pace8:40 /mi
2nd Half
Distance6.96 mi
Time1:12:39
Pace10:26 /mi
📊Positive Split: 36.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:50:3114:277:5914:27
7:59
-
5.34M
5.34 mi07:21:2345:198:2930:52
8:45
+0:46
6.15M
6.15 mi07:29:2353:198:408:00
9:53
+1:08
10.54M
10.54 mi08:11:421:35:389:0442:19
9:38
-0:15
11.05M
11.05 mi08:19:131:43:099:207:31
14:44
+5:06
Finish
13.11 mi08:42:022:05:589:3722:49
11:05
-3:39

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

7:59 /mi

Average Pace

9:37 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:19

36% of race

Time at Steady Pace

50:19

40% of race

Time at Slower Pace

30:20

24% of race

Average Pace: 9:37 /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
1.81M
1.81 mi06:50:3114:277:5914:27
7:59
#628
5.34M
5.34 mi07:21:2345:198:2930:52
8:45
#1077
6.15M
6.15 mi07:29:2353:198:408:00
9:53
#1211
10.54M
10.54 mi08:11:421:35:389:0442:19
9:38
#1731
11.05M
11.05 mi08:19:131:43:099:207:31
14:44
#1874
Finish
13.11 mi08:42:022:05:589:3722:49
11:05
#2184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi6289418628(Top 9%)94(Top 3%)18(Top 3%)
5.34M5.34 mi3.53 mi1077-449210-11637-191378(Top 19%)299(Top 10%)52(Top 8%)
6.15M6.15 mi0.81 mi1211-134239-2942-52532(Top 36%)713(Top 23%)148(Top 21%)
10.54M10.54 mi4.39 mi1731-520402-16381-392423(Top 34%)680(Top 22%)155(Top 22%)
11.05M11.05 mi0.51 mi1874-143461-5994-133736(Top 53%)1300(Top 42%)306(Top 44%)
Finish13.11 mi2.06 mi2184-310590-129128-343934(Top 55%)1466(Top 47%)332(Top 48%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 9%
~flat
+4ft-3ft

Overall

628

Females

94

F30-34

19

1.81M→5.34M

1.8 - 5.3 mi

Top 19%
×4story building
+80ft-74ft

Overall

1378

Females

299

F30-34

53

5.34M→6.15M

5.3 - 6.2 mi

Top 36%
×10story building
+126ft-4ft

Overall

2532

Females

713

F30-34

149

6.15M→10.54M

6.2 - 10.5 mi

Top 34%
×21story building
+230ft-361ft

Overall

2423

Females

680

F30-34

156

10.54M→11.05M

10.5 - 11.1 mi

Top 53%
×14story building
+172ft-0ft

Overall

3736

Females

1300

F30-34

307

11.05M→Finish

11.1 - 13.1 mi

Top 55%
×7story building
+97ft-114ft

Overall

3934

Females

1466

F30-34

332

Passing Analysis

Category:
Athletes Passed
41*
Passed By
1597
Net Change
-1556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#628
1.81M5.34M9458-449#628#1077
5.34M6.15M4138-134#1077#1211
6.15M10.54M10530-520#1211#1731
10.54M11.05M3146-143#1731#1874
11.05MFinish15*325-310#1874#2184
TOTALS41*1597-1556

* 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