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SF MARATHON 1ST HALF 2023

Linda Feng

Redwood City, CA

Bib: 15559 F 56

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
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
11:09/mi
15:36
→ flat
2.13M
23:55/mi
33:04
→ flat
6.43M
15:35/mi
1:40:03
↑ 274↓ 78
6.62M
-51:-14/mi
1:30:30
↑ 16
10.65M
13:52/mi
2:26:25
↑ 153↓ 361
Finish· 13.11 mi
13:38/mi
2:59:57
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:30:3013:40 /mi+1.2%
2nd Half
1:29:2713:47 /mi✓ faster
Negative split — 1.2% 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
15:3611:091.40 mi15:36
11:09
-
2.13M
33:0415:310.73 mi17:28
23:55
+12:46
6.43M
1:40:0315:344.30 mi1:06:59
15:35
-8:20
6.62M
1:30:3013:400.19 mi
-51:-14
-66:49
10.65M
2:26:2513:454.03 mi55:55
13:52
+65:06
Finish(13.11 mi)
2:59:5713:442.46 mi33:32
13:38
-0:14
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-52:-14 /mi

Average Pace

13:44 /mi

Slowest Pace

23:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:59:57

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:44 /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 mi52342213675234221367
2.13M0.73 mi5369-1352286-73675581241470
6.43M4.30 mi5547-1782400-11474-75589242173
6.62M0.19 mi5495+522370+3072+2---
10.65M4.03 mi5628-1332454-8475-35738253281
Finish(13.11 mi)2.46 mi5644-162466-12755605246475

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 86%
~flat
+3ft-2ft

Overall

5234

Females

2213

F55-59

67

1.40M→2.13M

1.4 - 2.1 mi

Top 92%
~flat
+3ft-1ft

Overall

5581

Females

2414

F55-59

70

2.13M→6.43M

2.1 - 6.4 mi

Top 92%
×17story building
+274ft-78ft

Overall

5589

Females

2421

F55-59

73

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 94%
×21story building
+153ft-361ft

Overall

5738

Females

2532

F55-59

81

10.65M→Finish

10.7 - 13.1 mi

Top 92%
×17story building
+244ft-114ft

Overall

5605

Females

2464

F55-59

75

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5234
1.40M → 2.13M
21782-135
#5234 → #5369
2.13M → 6.43M
291113*-178
#5369 → #5547
6.43M → 6.62M
1365+52
#5547 → #5495
6.62M → 10.65M
16229*-133
#5495 → #5628
10.65M → Finish
5135*-16
#5628 → #5644
TOTALS
734324*-410
#5234 → #5644

* 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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