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SF MARATHON 1ST HALF 2023

David Bui

Santa Clara, CA

Bib: 16953 M 30

0:00
0:00
/ mi
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Overall
#0 / 6072
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
9:41/mi
13:33
→ flat
2.13M
21:04/mi
28:56
→ flat
6.43M
13:10/mi
1:25:34
↑ 274↓ 78
6.62M
-40:-27/mi
1:18:04
↑ 16
10.65M
11:06/mi
2:02:47
↑ 153↓ 361
Finish· 13.11 mi
11:09/mi
2:30:11
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:18:0411:48 /mi+7.6%
2nd Half
1:12:0711:07 /mi✓ faster
Negative split — 7.6% 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
13:339:411.40 mi13:33
9:41
-
2.13M
28:5613:350.73 mi15:23
21:04
+11:23
6.43M
1:25:3413:184.30 mi56:38
13:10
-7:54
6.62M
1:18:0411:480.19 mi
-40:-27
-53:37
10.65M
2:02:4711:324.03 mi44:43
11:06
+51:33
Finish(13.11 mi)
2:30:1111:272.46 mi27:24
11:09
+0:03
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-41:-27 /mi

Average Pace

11:27 /mi

Slowest Pace

21:04 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:30:11

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:27 /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 mi3554223648935542236489
2.13M0.73 mi3992-4382448-212553-6445272695604
6.43M4.30 mi4130-1382538-90572-1942482587576
6.62M0.19 mi4147-172538568+4---
10.65M4.03 mi4179-322547-9575-742712571568
Finish(13.11 mi)2.46 mi4223-442559-12576-143262558584

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 59%
~flat
+3ft-2ft

Overall

3554

Males

2236

M30-34

491

1.40M→2.13M

1.4 - 2.1 mi

Top 75%
~flat
+3ft-1ft

Overall

4527

Males

2695

M30-34

607

2.13M→6.43M

2.1 - 6.4 mi

Top 70%
×17story building
+274ft-78ft

Overall

4248

Males

2587

M30-34

579

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 70%
×21story building
+153ft-361ft

Overall

4271

Males

2571

M30-34

570

10.65M→Finish

10.7 - 13.1 mi

Top 71%
×17story building
+244ft-114ft

Overall

4326

Males

2558

M30-34

584

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3554
1.40M → 2.13M
49557-438
#3554 → #3992
2.13M → 6.43M
368230*-138
#3992 → #4130
6.43M → 6.62M
8265-17
#4130 → #4147
6.62M → 10.65M
157125*-32
#4147 → #4179
10.65M → Finish
11066*-44
#4179 → #4223
TOTALS
1212543*-669
#3554 → #4223

* 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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