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SF MARATHON 1ST HALF 2023

Sophia Xu

Bib: 13308•F•Age: 23

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 34%
Gender (Female)
#0 / 2732
Top 24%
F20-29
#0 / 376
Top 35%
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
9:31/mi
13:19
→ flat
2.13M
18:51/mi
27:05
→ flat
6.43M
11:07/mi
1:14:55
↑ 274↓ 780.9%
6.62M
-32:-39/mi
1:08:54
↑ 161.6%
10.65M
9:12/mi
1:45:57
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:46/mi
2:07:30
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:08:54
Pace10:24 /mi
2nd Half✓ Faster
Distance6.49 mi
Time58:36
Pace9:02 /mi
📊Negative Split: 14.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:05:1113:199:3113:19
9:31
-
2.13M
2.13 mi07:18:5727:0512:4313:46
18:51
+9:20
6.43M
6.43 mi08:06:471:14:5511:3947:50
11:07
-7:44
6.62M
6.62 mi08:00:461:08:5410:24
-32:-39
-43:46
10.65M
10.65 mi08:37:491:45:579:5737:03
9:12
+41:51
Finish
13.11 mi08:59:222:07:309:4421:33
8:46
-0:26

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

-33:-39 /mi

Average Pace

9:44 /mi

Slowest Pace

18:51 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:30

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:44 /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 mi07:05:1113:199:3113:19
9:31
#3260
2.13M
2.13 mi07:18:5727:0512:4313:46
18:51
#2952
6.43M
6.43 mi08:06:471:14:5511:3947:50
11:07
#2312
6.62M
6.62 mi08:00:461:08:5410:24
-32:-39
#2403
10.65M
10.65 mi08:37:491:45:579:5737:03
9:12
#2144
Finish
13.11 mi08:59:222:07:309:4421:33
8:46
#2057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi1.40 mi326011832033260(Top 54%)1183(Top 43%)203(Top 54%)
2.13M2.13 mi0.73 mi2952+3081047+136190+132853(Top 47%)994(Top 36%)171(Top 45%)
6.43M6.43 mi4.30 mi2312+640735+312143+472084(Top 34%)656(Top 24%)123(Top 33%)
6.62M6.62 mi0.19 mi2403-91770-35145-2---
10.65M10.65 mi4.03 mi2144+259676+94132+131902(Top 31%)569(Top 21%)110(Top 29%)
Finish13.11 mi2.46 mi2057+87652+24131+11862(Top 31%)575(Top 21%)117(Top 31%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 54%
~flat
+3ft-2ft

Overall

3260

Females

1183

F20-24

203

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2853

Females

994

F20-24

171

2.13M→6.43M

2.1 - 6.4 mi

Top 34%
×17story building
+274ft-78ft

Overall

2084

Females

656

F20-24

123

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 31%
×21story building
+153ft-361ft

Overall

1902

Females

569

F20-24

110

10.65M→Finish

10.7 - 13.1 mi

Top 31%
×17story building
+244ft-114ft

Overall

1862

Females

575

F20-24

117

Passing Analysis

Category:
Athletes Passed
1520*
Passed By
317
Net Change
+1203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3260
1.40M → 2.13M38173+308#3260#2952
2.13M → 6.43M691*51+640#2952#2312
6.43M → 6.62M29120-91#2312#2403
6.62M → 10.65M289*30+259#2403#2144
10.65M → Finish130*43+87#2144#2057
TOTALS1520*317+1203

* 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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