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SF MARATHON 1ST HALF 2023

Haihan Xu

San Jose, CA

Bib: 14235 M 30

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 45%
Gender (Male)
#0 / 3331
Division (M30-34)
#0 / 723
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
9:38/mi
13:29
→ flat
2.13M
18:46/mi
27:11
→ flat
6.43M
11:16/mi
1:15:39
↑ 274↓ 78
6.62M
-35:-22/mi
1:09:07
↑ 16
10.65M
9:46/mi
1:48:28
↑ 153↓ 361
Finish· 13.11 mi
10:23/mi
2:13:59
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:09:0710:26 /mi+6.1%
2nd Half
1:04:5210:00 /mi✓ faster
Negative split — 6.1% 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
13:299:381.40 mi13:29
9:38
-
2.13M
27:1112:460.73 mi13:42
18:46
+9:08
6.43M
1:15:3911:464.30 mi48:28
11:16
-7:30
6.62M
1:09:0710:260.19 mi
-35:-22
-46:38
10.65M
1:48:2810:114.03 mi39:21
9:46
+45:08
Finish(13.11 mi)
2:13:5910:132.46 mi25:31
10:23
+0:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-36:-22 /mi

Average Pace

10:13 /mi

Slowest Pace

18:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:13:59

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:13 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi3468218247934682182479
2.13M0.73 mi3005+4631927+255426+5327751818404
6.43M4.30 mi2447+5581647+280377+4922761537353
6.62M0.19 mi2441+61650-3377---
10.65M4.03 mi2503-621673-23383-626551743406
Finish(13.11 mi)2.46 mi2740-2371797-124416-3337172260509

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 57%
~flat
+3ft-2ft

Overall

3468

Males

2182

M30-34

481

1.40M→2.13M

1.4 - 2.1 mi

Top 46%
~flat
+3ft-1ft

Overall

2775

Males

1818

M30-34

407

2.13M→6.43M

2.1 - 6.4 mi

Top 37%
×17story building
+274ft-78ft

Overall

2276

Males

1537

M30-34

355

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 44%
×21story building
+153ft-361ft

Overall

2655

Males

1743

M30-34

408

10.65M→Finish

10.7 - 13.1 mi

Top 61%
×17story building
+244ft-114ft

Overall

3717

Males

2260

M30-34

509

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3468
1.40M → 2.13M
51514+463
#3468 → #3005
2.13M → 6.43M
70628*+558
#3005 → #2447
6.43M → 6.62M
6470+6
#2447 → #2441
6.62M → 10.65M
166104*-62
#2441 → #2503
10.65M → Finish
26326*-237
#2503 → #2740
TOTALS
6141342*+728
#3468 → #2740

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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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