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SF MARATHON 1ST HALF 2023

Kelly Li

San Francisco, CA

Bib: 12317 F 25

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 18%
Gender (Female)
#0 / 2732
Top 10%
Division (F25-29)
#0 / 629
Top 13%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
8:12/mi
11:29
→ flat
11 ft elev
2.13M
16:52/mi
23:48
→ flat
13 ft elev
6.43M
10:09/mi
1:07:26
↑ 274↓ 780.9%
213 ft elev
6.62M
-30:-38/mi
1:01:48
↑ 161.6%
239 ft elev
10.65M
8:35/mi
1:36:22
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:26/mi
1:57:07
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:01:489:20 /mi+10.5%
2nd Half
55:198:31 /mi✓ faster
Negative split — 10.5% 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
11:298:121.40 mi11:29
8:12
-
2.13M
23:4811:100.73 mi12:19
16:52
+8:40
6.43M
1:07:2610:294.30 mi43:38
10:09
-6:43
6.62M
1:01:489:200.19 mi
-30:-38
-40:47
10.65M
1:36:229:034.03 mi34:34
8:35
+39:13
Finish(13.11 mi)
1:57:078:562.46 mi20:45
8:26
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-31:-38 /mi

Average Pace

8:56 /mi

Slowest Pace

16:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:57:07

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi112430593112430593
2.13M0.73 mi1179-55322-1799-61309374106
6.43M4.30 mi1033+146255+6780+19103225975
6.62M0.19 mi1038-5260-582-2---
10.65M4.03 mi1027+11254+681+1113528877
Finish(13.11 mi)2.46 mi1094-67274-2082-11469415114

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 19%
~flat
+3ft-2ft

Overall

1124

Females

305

F25-29

94

1.40M→2.13M

1.4 - 2.1 mi

Top 22%
~flat
+3ft-1ft

Overall

1309

Females

374

F25-29

110

2.13M→6.43M

2.1 - 6.4 mi

Top 17%
×17story building
+274ft-78ft

Overall

1032

Females

259

F25-29

75

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 19%
×21story building
+153ft-361ft

Overall

1135

Females

288

F25-29

77

10.65M→Finish

10.7 - 13.1 mi

Top 24%
×17story building
+244ft-114ft

Overall

1469

Females

415

F25-29

114

Passing Analysis

Category:
Passed
411*
Passed By
381
Net Change
+30
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1124
1.40M → 2.13M78133-55#1124#1179
2.13M → 6.43M203*57+146#1179#1033
6.43M → 6.62M3035-5#1033#1038
6.62M → 10.65M71*60+11#1038#1027
10.65M → Finish29*96-67#1027#1094
TOTALS411*381+30

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

Passing Charts

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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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