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SF MARATHON 1ST HALF 2023

Mari Ju

Bib: 11271•F•Age: 30

Mill Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 15%
Gender (Female)
#0 / 2732
Top 8%
Division (F30-34)
#0 / 557
Top 9%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
8:09/mi
11:24
→ flat
2.13M
16:36/mi
23:31
→ flat
6.43M
10:04/mi
1:06:49
↑ 274↓ 780.9%
6.62M
-31:-25/mi
1:01:02
↑ 161.6%
10.65M
8:27/mi
1:35:07
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:53/mi
1:54:29
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:01:02
Pace9:13 /mi
2nd Half✓ Faster
Distance6.49 mi
Time53:27
Pace8:14 /mi
📊Negative Split: 12.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:45:1211:248:0911:24
8:09
-
2.13M
2.13 mi06:57:1923:3111:0212:07
16:36
+8:27
6.43M
6.43 mi07:40:371:06:4910:2343:18
10:04
-6:32
6.62M
6.62 mi07:34:501:01:029:13
-31:-25
-41:29
10.65M
10.65 mi08:08:551:35:078:5634:05
8:27
+39:52
Finish
13.11 mi08:28:171:54:298:4419:22
7:53
-0:34

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:-25 /mi

Average Pace

8:44 /mi

Slowest Pace

16:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:29

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi06:45:1211:248:0911:24
8:09
#1045
2.13M
2.13 mi06:57:1923:3111:0212:07
16:36
#1055
6.43M
6.43 mi07:40:371:06:4910:2343:18
10:04
#957
6.62M
6.62 mi07:34:501:01:029:13
-31:-25
#940
10.65M
10.65 mi08:08:551:35:078:5634:05
8:27
#915
Finish
13.11 mi08:28:171:54:298:4419:22
7:53
#885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi1.40 mi1045272631045(Top 17%)272(Top 10%)63(Top 11%)
2.13M2.13 mi0.73 mi1055-10282-10631144(Top 19%)314(Top 11%)71(Top 13%)
6.43M6.43 mi4.30 mi957+98233+4952+11966(Top 16%)240(Top 9%)55(Top 10%)
6.62M6.62 mi0.19 mi940+17231+249+3---
10.65M10.65 mi4.03 mi915+25223+853-4990(Top 16%)240(Top 9%)60(Top 11%)
Finish13.11 mi2.46 mi885+30209+1452+1890(Top 15%)201(Top 7%)51(Top 9%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 17%
~flat
+3ft-2ft

Overall

1045

Females

272

F30-34

63

1.40M→2.13M

1.4 - 2.1 mi

Top 19%
~flat
+3ft-1ft

Overall

1144

Females

314

F30-34

71

2.13M→6.43M

2.1 - 6.4 mi

Top 16%
×17story building
+274ft-78ft

Overall

966

Females

240

F30-34

55

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 16%
×21story building
+153ft-361ft

Overall

990

Females

240

F30-34

60

10.65M→Finish

10.7 - 13.1 mi

Top 15%
×17story building
+244ft-114ft

Overall

890

Females

201

F30-34

51

Passing Analysis

Category:
Athletes Passed
440*
Passed By
280
Net Change
+160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1045
1.40M → 2.13M90100-10#1045#1055
2.13M → 6.43M168*70+98#1055#957
6.43M → 6.62M4124+17#957#940
6.62M → 10.65M75*50+25#940#915
10.65M → Finish66*36+30#915#885
TOTALS440*280+160

* 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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The San Francisco Marathon

The San Francisco Marathon

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