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SF MARATHON 1ST HALF 2023

Jean-Luc Machi

San Francisco, CA

Bib: 15109 M 24

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 37%
Gender (Male)
#0 / 3331
Top 46%
M20-29
#0 / 333
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
7:46/mi
10:52
→ flat
2.13M
17:09/mi
23:23
→ flat
6.43M
11:22/mi
1:12:15
↑ 274↓ 78
6.62M
-40:-27/mi
1:04:45
↑ 16
10.65M
10:00/mi
1:45:04
↑ 153↓ 361
Finish· 13.11 mi
9:54/mi
2:09:24
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:04:459:47 /mi⚖️ balanced
2nd Half
1:04:399:58 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
10:527:461.40 mi10:52
7:46
-
2.13M
23:2310:590.73 mi12:31
17:09
+9:23
6.43M
1:12:1511:144.30 mi48:52
11:22
-5:47
6.62M
1:04:459:470.19 mi
-40:-27
-51:49
10.65M
1:45:049:524.03 mi40:19
10:00
+50:27
Finish(13.11 mi)
2:09:249:522.46 mi24:20
9:54
-0:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-41:-27 /mi

Average Pace

9:52 /mi

Slowest Pace

17:09 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:09:24

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:52 /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. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi6314898263148982
2.13M0.73 mi997-366733-244116-3414911046152
6.43M4.30 mi1809-8121262-529179-6324011607210
6.62M0.19 mi1555+2541104+158164+15---
10.65M4.03 mi2031-4761394-290190-2629561902234
Finish(13.11 mi)2.46 mi2265-2341529-135203-1331971995238

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 10%
~flat
+3ft-2ft

Overall

631

Males

489

M20-24

82

1.40M→2.13M

1.4 - 2.1 mi

Top 25%
~flat
+3ft-1ft

Overall

1491

Males

1046

M20-24

152

2.13M→6.43M

2.1 - 6.4 mi

Top 40%
×17story building
+274ft-78ft

Overall

2401

Males

1607

M20-24

210

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 49%
×21story building
+153ft-361ft

Overall

2956

Males

1902

M20-24

234

10.65M→Finish

10.7 - 13.1 mi

Top 53%
×17story building
+244ft-114ft

Overall

3197

Males

1995

M20-24

238

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#631
1.40M → 2.13M
37913-366
#631 → #997
2.13M → 6.43M
82311*-812
#997 → #1809
6.43M → 6.62M
2256+254
#1809 → #1555
6.62M → 10.65M
4848*-476
#1555 → #2031
10.65M → Finish
26026*-234
#2031 → #2265
TOTALS
1948314*-1634
#631 → #2265

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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