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SF MARATHON 1ST HALF 2023

Zhe Lu

San Jose, CA

Bib: 16206 F 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 14%
Gender (Female)
#0 / 2732
Top 7%
Division (F25-29)
#0 / 629
Top 9%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
7:49/mi
10:57
→ flat
11 ft elev
2.13M
16:40/mi
23:07
→ flat
13 ft elev
6.43M
10:02/mi
1:06:14
↑ 274↓ 780.9%
213 ft elev
6.62M
-31:-41/mi
1:00:24
↑ 161.6%
239 ft elev
10.65M
8:23/mi
1:34:13
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
7:59/mi
1:53:50
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:00:24
Pace9:07 /mi
2nd Half✓ Faster
Distance6.49 mi
Time53:26
Pace8:14 /mi
📊Negative Split: 11.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:0410:577:4910:57
7:49
-
2.13M
2.13 mi07:20:1423:0710:5112:10
16:40
+8:51
6.43M
6.43 mi08:03:211:06:1410:1843:07
10:02
-6:38
6.62M
6.62 mi07:57:311:00:249:07
-31:-41
-41:43
10.65M
10.65 mi08:31:201:34:138:5133:49
8:23
+40:04
Finish
13.11 mi08:50:571:53:508:4119:37
7:59
-0:24

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

-32:-41 /mi

Average Pace

8:41 /mi

Slowest Pace

16:40 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:50

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /mi

Loading chart...
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
1.40M
1.40 mi07:08:0410:577:4910:57
7:49
#686
2.13M
2.13 mi07:20:1423:0710:5112:10
16:40
#871
6.43M
6.43 mi08:03:211:06:1410:1843:07
10:02
#872
6.62M
6.62 mi07:57:311:00:249:07
-31:-41
#833
10.65M
10.65 mi08:31:201:34:138:5133:49
8:23
#842
Finish
13.11 mi08:50:571:53:508:4119:37
7:59
#827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi68616349686(Top 11%)163(Top 6%)49(Top 8%)
2.13M2.13 mi0.73 mi871-185215-5267-181180(Top 19%)329(Top 12%)93(Top 15%)
6.43M6.43 mi4.30 mi872-1199+1663+4935(Top 15%)227(Top 8%)69(Top 11%)
6.62M6.62 mi0.19 mi833+39191+859+4---
10.65M10.65 mi4.03 mi842-9197-659922(Top 15%)221(Top 8%)57(Top 9%)
Finish13.11 mi2.46 mi827+15192+556+3988(Top 16%)234(Top 9%)65(Top 10%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 11%
~flat
+3ft-2ft

Overall

686

Females

163

F25-29

49

1.40M→2.13M

1.4 - 2.1 mi

Top 19%
~flat
+3ft-1ft

Overall

1180

Females

329

F25-29

96

2.13M→6.43M

2.1 - 6.4 mi

Top 15%
×17story building
+274ft-78ft

Overall

935

Females

227

F25-29

69

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 15%
×21story building
+153ft-361ft

Overall

922

Females

221

F25-29

57

10.65M→Finish

10.7 - 13.1 mi

Top 16%
×17story building
+244ft-114ft

Overall

988

Females

234

F25-29

65

Passing Analysis

Category:
Athletes Passed
271*
Passed By
412
Net Change
-141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#686
1.40M → 2.13M24209-185#686#871
2.13M → 6.43M105106-1#871#872
6.43M → 6.62M489+39#872#833
6.62M → 10.65M47*56-9#833#842
10.65M → Finish47*32+15#842#827
TOTALS271*412-141

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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