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SF MARATHON 1ST HALF 2023

Kayla Walzer

Seabrook, TX

Bib: 14684 F 22

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
F20-29
#0 / 376
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
16:16/mi
22:47
→ flat
11 ft elev
2.13M
28:36/mi
43:40
→ flat
13 ft elev
6.43M
17:47/mi
2:00:06
↑ 274↓ 780.9%
213 ft elev
6.62M
-60:-5/mi
1:48:52
↑ 161.6%
239 ft elev
10.65M
15:24/mi
2:50:56
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
14:45/mi
3:27:11
↑ 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
1:48:5216:27 /mi+9.7%
2nd Half
1:38:1915:09 /mi✓ faster
Negative split — 9.7% 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
22:4716:161.40 mi22:47
16:16
-
2.13M
43:4020:300.73 mi20:53
28:36
+12:20
6.43M
2:00:0618:414.30 mi1:16:26
17:47
-10:49
6.62M
1:48:5216:270.19 mi
-60:-5
-77:52
10.65M
2:50:5616:034.03 mi1:02:04
15:24
+75:29
Finish(13.11 mi)
3:27:1115:482.46 mi36:15
14:45
-0:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-61:-5 /mi

Average Pace

15:48 /mi

Slowest Pace

28:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:27:11

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 15:48 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi5992267537059922675370
2.13M0.73 mi6036-442698-23373-360102678373
6.43M4.30 mi6042-62698375-259612653369
6.62M0.19 mi6035+72693+5375---
10.65M4.03 mi6036-12702-9374+159732671368
Finish(13.11 mi)2.46 mi6000+362687+15371+358332599363

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 99%
~flat
+3ft-2ft

Overall

5992

Females

2675

F20-24

370

1.40M→2.13M

1.4 - 2.1 mi

Top 99%
~flat
+3ft-1ft

Overall

6010

Females

2678

F20-24

373

2.13M→6.43M

2.1 - 6.4 mi

Top 98%
×17story building
+274ft-78ft

Overall

5961

Females

2653

F20-24

369

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 98%
×21story building
+153ft-361ft

Overall

5973

Females

2671

F20-24

368

10.65M→Finish

10.7 - 13.1 mi

Top 96%
×17story building
+244ft-114ft

Overall

5833

Females

2599

F20-24

363

Passing Analysis

Category:
Passed
128*
Passed By
136
Net Change
-8
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5992
1.40M → 2.13M17*61-44#5992#6036
2.13M → 6.43M42*48-6#6036#6042
6.43M → 6.62M92+7#6042#6035
6.62M → 10.65M24*25-1#6035#6036
10.65M → Finish36*0+36#6036#6000
TOTALS128*136-8

* 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

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