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SF MARATHON 1ST HALF 2023

Lara McCarthy

Redwood City, CA

Bib: 15129 F 54

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F50-54)
#0 / 145
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
10:01/mi
14:01
→ flat
2.13M
20:03/mi
28:39
→ flat
6.43M
13:39/mi
1:27:21
↑ 274↓ 78
6.62M
-51:-19/mi
1:17:47
↑ 16
10.65M
16:02/mi
2:22:25
↑ 153↓ 361
Finish· 13.11 mi
10:43/mi
2:48:47
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:17:4711:45 /mi⚡ faster
2nd Half
1:31:0014:01 /mi+17.0%
Positive split — 17.0% slower 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
14:0110:011.40 mi14:01
10:01
-
2.13M
28:3913:270.73 mi14:38
20:03
+10:02
6.43M
1:27:2113:354.30 mi58:42
13:39
-6:24
6.62M
1:17:4711:450.19 mi
-51:-19
-64:58
10.65M
2:22:2513:224.03 mi1:04:38
16:02
+67:21
Finish(13.11 mi)
2:48:4712:532.46 mi26:22
10:43
-5:19
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-52:-19 /mi

Average Pace

12:53 /mi

Slowest Pace

20:03 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:48:47

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:52 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
1.40M1.40 mi40291556604029155660
2.13M0.73 mi3851+1781472+8454+63835146855
6.43M4.30 mi4400-5491734-26269-154660189383
6.62M0.19 mi4093+3071572+16261+8---
10.65M4.03 mi5496-14032380-808116-5560232698142
Finish(13.11 mi)2.46 mi5296+2002268+112111+54030161463

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 66%
~flat
+3ft-2ft

Overall

4029

Females

1556

F50-54

60

1.40M→2.13M

1.4 - 2.1 mi

Top 63%
~flat
+3ft-1ft

Overall

3835

Females

1468

F50-54

56

2.13M→6.43M

2.1 - 6.4 mi

Top 77%
×17story building
+274ft-78ft

Overall

4660

Females

1893

F50-54

83

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 99%
×21story building
+153ft-361ft

Overall

6023

Females

2698

F50-54

143

10.65M→Finish

10.7 - 13.1 mi

Top 66%
×17story building
+244ft-114ft

Overall

4030

Females

1614

F50-54

63

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4029
1.40M → 2.13M
117295+178
#4029 → #3851
2.13M → 6.43M
652103*-549
#3851 → #4400
6.43M → 6.62M
3310+307
#4400 → #4093
6.62M → 10.65M
14063*-1403
#4093 → #5496
10.65M → Finish
8208*+200
#5496 → #5296
TOTALS
2186919*-1267
#4029 → #5296

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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