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SF MARATHON 1ST HALF 2023

Wei-San Chiang

Monterey, CA

Bib: 15458 F 25

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 42%
Gender (Female)
#0 / 2732
Top 31%
Division (F25-29)
#0 / 629
Top 39%
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
12:31
→ flat
2.13M
18:13/mi
25:49
→ flat
6.43M
12:04/mi
1:17:43
↑ 274↓ 78
6.62M
-38:-36/mi
1:10:34
↑ 16
10.65M
9:33/mi
1:49:03
↑ 153↓ 361
Finish· 13.11 mi
9:21/mi
2:12:03
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:10:3410:40 /mi+12.9%
2nd Half
1:01:299:29 /mi✓ faster
Negative split — 12.9% 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
12:318:561.40 mi12:31
8:56
-
2.13M
25:4912:070.73 mi13:18
18:13
+9:17
6.43M
1:17:4312:054.30 mi51:54
12:04
-6:09
6.62M
1:10:3410:400.19 mi
-38:-36
-50:40
10.65M
1:49:0310:144.03 mi38:29
9:33
+48:09
Finish(13.11 mi)
2:12:0310:042.46 mi23:00
9:21
-0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-39:-36 /mi

Average Pace

10:04 /mi

Slowest Pace

18:13 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:12:03

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:04 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi22837482012283748201
2.13M0.73 mi2211+72704+442012302760212
6.43M4.30 mi2835-624965-261271-7032081163321
6.62M0.19 mi2733+102930+35263+8---
10.65M4.03 mi2578+155865+65249+142391799222
Finish(13.11 mi)2.46 mi2539+39859+6248+12547899247

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 38%
~flat
+3ft-2ft

Overall

2283

Females

748

F25-29

202

1.40M→2.13M

1.4 - 2.1 mi

Top 38%
~flat
+3ft-1ft

Overall

2302

Females

760

F25-29

216

2.13M→6.43M

2.1 - 6.4 mi

Top 53%
×17story building
+274ft-78ft

Overall

3208

Females

1163

F25-29

321

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 39%
×21story building
+153ft-361ft

Overall

2391

Females

799

F25-29

222

10.65M→Finish

10.7 - 13.1 mi

Top 42%
×17story building
+244ft-114ft

Overall

2547

Females

899

F25-29

247

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2283
1.40M → 2.13M
132204+72
#2283 → #2211
2.13M → 6.43M
69167*-624
#2211 → #2835
6.43M → 6.62M
26128+102
#2835 → #2733
6.62M → 10.65M
86241*+155
#2733 → #2578
10.65M → Finish
5897*+39
#2578 → #2539
TOTALS
993737*-256
#2283 → #2539

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

Passing Visualized

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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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