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SF MARATHON 1ST HALF 2023

Peter Cha

San Francisco, CA

Bib: 10507 M 31

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
8:56/mi
12:30
→ flat
2.13M
22:46/mi
29:07
→ flat
6.43M
13:57/mi
1:29:08
↑ 274↓ 78
6.62M
-50:-21/mi
1:19:45
↑ 16
10.65M
11:47/mi
2:07:13
↑ 153↓ 361
Finish· 13.11 mi
12:11/mi
2:37:10
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:19:4512:03 /mi+2.9%
2nd Half
1:17:2511:56 /mi✓ faster
Negative split — 2.9% 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
12:308:561.40 mi12:30
8:56
-
2.13M
29:0713:400.73 mi16:37
22:46
+13:50
6.43M
1:29:0813:524.30 mi1:00:01
13:57
-8:49
6.62M
1:19:4512:030.19 mi
-50:-21
-64:18
10.65M
2:07:1311:574.03 mi47:28
11:47
+62:08
Finish(13.11 mi)
2:37:1011:592.46 mi29:57
12:11
+0:24
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-51:-21 /mi

Average Pace

11:59 /mi

Slowest Pace

22:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:37:10

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:59 /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 mi2267152132722671521327
2.13M0.73 mi4085-18182506-985570-24352793027674
6.43M4.30 mi4645-5602775-269621-5148862863642
6.62M0.19 mi4424+2212675+100597+24---
10.65M4.03 mi4583-1592731-56615-1848282830638
Finish(13.11 mi)2.46 mi4701-1182780-49632-1750242870650

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 37%
~flat
+3ft-2ft

Overall

2267

Males

1521

M30-34

329

1.40M→2.13M

1.4 - 2.1 mi

Top 87%
~flat
+3ft-1ft

Overall

5279

Males

3027

M30-34

678

2.13M→6.43M

2.1 - 6.4 mi

Top 80%
×17story building
+274ft-78ft

Overall

4886

Males

2863

M30-34

645

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 80%
×21story building
+153ft-361ft

Overall

4828

Males

2830

M30-34

640

10.65M→Finish

10.7 - 13.1 mi

Top 83%
×17story building
+244ft-114ft

Overall

5024

Males

2870

M30-34

650

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2267
1.40M → 2.13M
18191-1818
#2267 → #4085
2.13M → 6.43M
661101*-560
#4085 → #4645
6.43M → 6.62M
0221+221
#4645 → #4424
6.62M → 10.65M
22970*-159
#4424 → #4583
10.65M → Finish
15840*-118
#4583 → #4701
TOTALS
2867433*-2434
#2267 → #4701

* 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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