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SF MARATHON 1ST HALF 2023

Katrina Welch

Dallas, TX

Bib: 14204 F 58

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F55-59)
#0 / 97
Top 45%
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
9:56/mi
13:54
→ flat
2.13M
21:15/mi
29:25
→ flat
6.43M
13:18/mi
1:26:37
↑ 274↓ 78
6.62M
-47:-6/mi
1:17:51
↑ 16
10.65M
11:47/mi
2:05:21
↑ 153↓ 361
Finish· 13.11 mi
11:45/mi
2:34:15
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:17:5111:46 /mi+1.9%
2nd Half
1:16:2411:46 /mi✓ faster
Negative split — 1.9% 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
13:549:561.40 mi13:54
9:56
-
2.13M
29:2513:490.73 mi15:31
21:15
+11:19
6.43M
1:26:3713:284.30 mi57:12
13:18
-7:57
6.62M
1:17:5111:460.19 mi
-47:-6
-60:24
10.65M
2:05:2111:464.03 mi47:30
11:47
+58:53
Finish(13.11 mi)
2:34:1511:462.46 mi28:54
11:45
-0:02
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-48:-6 /mi

Average Pace

11:46 /mi

Slowest Pace

21:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:34:15

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:46 /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. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
1.40M1.40 mi39181501303918150130
2.13M0.73 mi4217-2991643-14236-64644188742
6.43M4.30 mi4287-701665-2237-14346170640
6.62M0.19 mi4108+1791584+8135+2---
10.65M4.03 mi4412-3041751-16741-64839200154
Finish(13.11 mi)2.46 mi4516-1041820-6944-34768201051

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 65%
~flat
+3ft-2ft

Overall

3918

Females

1501

F55-59

30

1.40M→2.13M

1.4 - 2.1 mi

Top 76%
~flat
+3ft-1ft

Overall

4644

Females

1887

F55-59

42

2.13M→6.43M

2.1 - 6.4 mi

Top 72%
×17story building
+274ft-78ft

Overall

4346

Females

1706

F55-59

40

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F55-59

-

6.62M→10.65M

6.6 - 10.7 mi

Top 80%
×21story building
+153ft-361ft

Overall

4839

Females

2001

F55-59

54

10.65M→Finish

10.7 - 13.1 mi

Top 79%
×17story building
+244ft-114ft

Overall

4768

Females

2010

F55-59

51

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3918
1.40M → 2.13M
38081-299
#3918 → #4217
2.13M → 6.43M
334264*-70
#4217 → #4287
6.43M → 6.62M
12191+179
#4287 → #4108
6.62M → 10.65M
35349*-304
#4108 → #4412
10.65M → Finish
14945*-104
#4412 → #4516
TOTALS
1228630*-598
#3918 → #4516

* 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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