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SF MARATHON 1ST HALF 2023

Madison Collins

San Francisco, CA

Bib: 16497 F 31

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 47%
Gender (Female)
#0 / 2732
Top 36%
Division (F30-34)
#0 / 557
Top 38%
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
10:01/mi
14:02
→ flat
2.13M
19:57/mi
28:36
→ flat
6.43M
12:20/mi
1:21:36
↑ 274↓ 78
6.62M
-32:-12/mi
1:15:40
↑ 16
10.65M
9:38/mi
1:54:31
↑ 153↓ 361
Finish· 13.11 mi
8:16/mi
2:14:51
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:15:4011:26 /mi+21.8%
2nd Half
59:119:07 /mi✓ faster
Negative split — 21.8% 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
14:0210:011.40 mi14:02
10:01
-
2.13M
28:3613:260.73 mi14:34
19:57
+9:56
6.43M
1:21:3612:414.30 mi53:00
12:20
-7:37
6.62M
1:15:4011:260.19 mi
-32:-12
-44:32
10.65M
1:54:3110:454.03 mi38:51
9:38
+41:50
Finish(13.11 mi)
2:14:5110:172.46 mi20:20
8:16
-1:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-33:-12 /mi

Average Pace

10:17 /mi

Slowest Pace

19:57 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:14:51

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:17 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi4032155733040321557330
2.13M0.73 mi3817+2151458+99303+2737571425296
6.43M4.30 mi3504+3131300+158264+3934701289269
6.62M0.19 mi3729-2251407-107290-26---
10.65M4.03 mi3266+4631186+221246+442517852182
Finish(13.11 mi)2.46 mi2833+433983+203210+36130036096

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 66%
~flat
+3ft-2ft

Overall

4032

Females

1557

F30-34

331

1.40M→2.13M

1.4 - 2.1 mi

Top 62%
~flat
+3ft-1ft

Overall

3757

Females

1425

F30-34

296

2.13M→6.43M

2.1 - 6.4 mi

Top 57%
×17story building
+274ft-78ft

Overall

3470

Females

1289

F30-34

269

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 41%
×21story building
+153ft-361ft

Overall

2517

Females

852

F30-34

182

10.65M→Finish

10.7 - 13.1 mi

Top 21%
×17story building
+244ft-114ft

Overall

1300

Females

360

F30-34

96

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4032
1.40M → 2.13M
104319+215
#4032 → #3817
2.13M → 6.43M
142455*+313
#3817 → #3504
6.43M → 6.62M
23914-225
#3504 → #3729
6.62M → 10.65M
14477*+463
#3729 → #3266
10.65M → Finish
0433*+433
#3266 → #2833
TOTALS
4991698*+1199
#4032 → #2833

* 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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