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SF MARATHON 1ST HALF 2023

Run Zhang

San Jose, CA

Bib: 13217 F 49

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Top 45%
Masters (Masters Women)
#0 / 746
Top 30%
Division (F45-49)
#0 / 175
Top 30%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:36/mi
13:27
→ flat
2.13M
19:45/mi
27:52
→ flat
6.43M
11:44/mi
1:18:17
↑ 274↓ 78
6.62M
-39:-8/mi
1:11:02
↑ 16
10.65M
10:18/mi
1:52:31
↑ 153↓ 361
Finish· 13.11 mi
11:00/mi
2:19:33
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:11:0210:44 /mi+3.5%
2nd Half
1:08:3110:34 /mi✓ faster
Negative split — 3.5% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
13:279:361.40 mi13:27
9:36
-
2.13M
27:5213:050.73 mi14:25
19:45
+10:09
6.43M
1:18:1712:104.30 mi50:25
11:44
-8:01
6.62M
1:11:0210:440.19 mi
-39:-8
-50:52
10.65M
1:52:3110:344.03 mi41:29
10:18
+49:26
Finish(13.11 mi)
2:19:3310:392.46 mi27:02
11:00
+0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-40:-8 /mi

Average Pace

10:39 /mi

Slowest Pace

19:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:19:33

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:39 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.40M1.40 mi34301262613430126261
2.13M0.73 mi3421+91260+259+23614135261
6.43M4.30 mi2947+4741025+23543+16281797738
6.62M0.19 mi2847+100981+4443---
10.65M4.03 mi3021-1741060-7946-33357125360
Finish(13.11 mi)2.46 mi3308-2871219-15952-64225171683

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 56%
~flat
+3ft-2ft

Overall

3430

Females

1262

F45-49

61

1.40M→2.13M

1.4 - 2.1 mi

Top 60%
~flat
+3ft-1ft

Overall

3614

Females

1352

F45-49

61

2.13M→6.43M

2.1 - 6.4 mi

Top 46%
×17story building
+274ft-78ft

Overall

2817

Females

977

F45-49

38

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 55%
×21story building
+153ft-361ft

Overall

3357

Females

1253

F45-49

60

10.65M→Finish

10.7 - 13.1 mi

Top 70%
×17story building
+244ft-114ft

Overall

4225

Females

1716

F45-49

83

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3430
1.40M → 2.13M
194203+9
#3430 → #3421
2.13M → 6.43M
88562*+474
#3421 → #2947
6.43M → 6.62M
25125+100
#2947 → #2847
6.62M → 10.65M
24066*-174
#2847 → #3021
10.65M → Finish
31023*-287
#3021 → #3308
TOTALS
857979*+122
#3430 → #3308

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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