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SF MARATHON 1ST HALF 2023

Kathrin Selzer

San Carlos, CA

Bib: 12023 F 58

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Top 41%
Division (F55-59)
#0 / 97
Top 32%
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
9:28/mi
13:15
→ flat
2.13M
20:14/mi
28:01
→ flat
6.43M
12:43/mi
1:22:40
↑ 274↓ 78
6.62M
-47:-6/mi
1:13:54
↑ 16
10.65M
11:11/mi
1:58:58
↑ 153↓ 361
Finish· 13.11 mi
10:57/mi
2:25:53
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:13:5411:10 /mi+2.6%
2nd Half
1:11:5911:06 /mi✓ faster
Negative split — 2.6% 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
13:159:281.40 mi13:15
9:28
-
2.13M
28:0113:090.73 mi14:46
20:14
+10:46
6.43M
1:22:4012:514.30 mi54:39
12:43
-7:31
6.62M
1:13:5411:100.19 mi
-47:-6
-59:49
10.65M
1:58:5811:104.03 mi45:04
11:11
+58:17
Finish(13.11 mi)
2:25:5311:082.46 mi26:55
10:57
-0:14
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-48:-6 /mi

Average Pace

11:08 /mi

Slowest Pace

20:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:25:53

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:08 /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 mi31911148163191114816
2.13M0.73 mi3516-3251303-15521-53941152229
6.43M4.30 mi3689-1731389-8625-43861147230
6.62M0.19 mi3420+2691270+11921+4---
10.65M4.03 mi3770-3501421-15130-94340173140
Finish(13.11 mi)2.46 mi3858-881484-6331-14189170041

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 53%
~flat
+3ft-2ft

Overall

3191

Females

1148

F55-59

16

1.40M→2.13M

1.4 - 2.1 mi

Top 65%
~flat
+3ft-1ft

Overall

3941

Females

1522

F55-59

29

2.13M→6.43M

2.1 - 6.4 mi

Top 64%
×17story building
+274ft-78ft

Overall

3861

Females

1472

F55-59

30

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 71%
×21story building
+153ft-361ft

Overall

4340

Females

1731

F55-59

40

10.65M→Finish

10.7 - 13.1 mi

Top 69%
×17story building
+244ft-114ft

Overall

4189

Females

1700

F55-59

41

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3191
1.40M → 2.13M
41691-325
#3191 → #3516
2.13M → 6.43M
378205*-173
#3516 → #3689
6.43M → 6.62M
0269+269
#3689 → #3420
6.62M → 10.65M
36919*-350
#3420 → #3770
10.65M → Finish
15062*-88
#3770 → #3858
TOTALS
1313646*-667
#3191 → #3858

* 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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