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SF MARATHON 1ST HALF 2023

Li Tai

Encinitas, CA

Bib: 12108 F 53

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 36%
Gender (Female)
#0 / 2732
Top 26%
Masters (Masters Women)
#0 / 746
Top 14%
Division (F50-54)
#0 / 145
Top 15%
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
8:49/mi
12:21
→ flat
2.13M
18:21/mi
25:45
→ flat
6.43M
11:41/mi
1:15:58
↑ 274↓ 78
6.62M
-36:-19/mi
1:09:15
↑ 16
10.65M
9:28/mi
1:47:25
↑ 153↓ 361
Finish· 13.11 mi
8:42/mi
2:08:48
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:09:1510:28 /mi+14.0%
2nd Half
59:339:11 /mi✓ faster
Negative split — 14.0% 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
12:218:491.40 mi12:21
8:49
-
2.13M
25:4512:050.73 mi13:24
18:21
+9:32
6.43M
1:15:5811:494.30 mi50:13
11:41
-6:40
6.62M
1:09:1510:280.19 mi
-36:-19
-48:00
10.65M
1:47:2510:054.03 mi38:10
9:28
+45:47
Finish(13.11 mi)
2:08:489:502.46 mi21:23
8:42
-0:46
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-37:-19 /mi

Average Pace

9:50 /mi

Slowest Pace

18:21 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:08:48

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:49 /mi

Loading chart...
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 mi208366217208366217
2.13M0.73 mi2165-82689-2721-4242180126
6.43M4.30 mi2506-341826-13724-3275794932
6.62M0.19 mi2477+29811+1521+3---
10.65M4.03 mi2363+114774+3724-3227674324
Finish(13.11 mi)2.46 mi2199+164707+6722+2177754115

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 34%
~flat
+3ft-2ft

Overall

2083

Females

662

F50-54

17

1.40M→2.13M

1.4 - 2.1 mi

Top 40%
~flat
+3ft-1ft

Overall

2421

Females

801

F50-54

27

2.13M→6.43M

2.1 - 6.4 mi

Top 45%
×17story building
+274ft-78ft

Overall

2757

Females

949

F50-54

32

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 37%
×21story building
+153ft-361ft

Overall

2276

Females

743

F50-54

24

10.65M→Finish

10.7 - 13.1 mi

Top 29%
×17story building
+244ft-114ft

Overall

1777

Females

541

F50-54

15

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2083
1.40M → 2.13M
202120-82
#2083 → #2165
2.13M → 6.43M
441100*-341
#2165 → #2506
6.43M → 6.62M
4978+29
#2506 → #2477
6.62M → 10.65M
88202*+114
#2477 → #2363
10.65M → Finish
28192*+164
#2363 → #2199
TOTALS
808692*-116
#2083 → #2199

* 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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