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SF MARATHON 1ST HALF 2023

Stacy Xie

Monterey Park, CA

Bib: 15674 F 34

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F30-34)
#0 / 557
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
21:09/mi
29:36
→ flat
11 ft elev
2.13M
24:00/mi
47:07
→ flat
13 ft elev
6.43M
15:17/mi
1:52:48
↑ 274↓ 780.9%
213 ft elev
6.62M
-54:-28/mi
1:42:38
↑ 161.6%
239 ft elev
10.65M
13:37/mi
2:37:31
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
13:46/mi
3:11:21
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:42:3815:30 /mi+13.6%
2nd Half
1:28:4313:40 /mi✓ faster
Negative split — 13.6% 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
29:3621:091.40 mi29:36
21:09
-
2.13M
47:0722:070.73 mi17:31
24:00
+2:51
6.43M
1:52:4817:334.30 mi1:05:41
15:17
-8:43
6.62M
1:42:3815:300.19 mi
-54:-28
-69:45
10.65M
2:37:3114:474.03 mi54:53
13:37
+68:05
Finish(13.11 mi)
3:11:2114:362.46 mi33:50
13:46
+0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-55:-28 /mi

Average Pace

14:36 /mi

Slowest Pace

24:00 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:11:21

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:36 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi6088273655360882736553
2.13M0.73 mi6075+132726+1055356012426502
6.43M4.30 mi5957+1182639+87544+954972370495
6.62M0.19 mi5945+122637+2545-1---
10.65M4.03 mi5883+622606+31541+456792502511
Finish(13.11 mi)2.46 mi5847+362592+14537+456392483514

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 100%
~flat
+3ft-2ft

Overall

6088

Females

2736

F30-34

556

1.40M→2.13M

1.4 - 2.1 mi

Top 92%
~flat
+3ft-1ft

Overall

5601

Females

2426

F30-34

502

2.13M→6.43M

2.1 - 6.4 mi

Top 91%
×17story building
+274ft-78ft

Overall

5497

Females

2370

F30-34

495

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 94%
×21story building
+153ft-361ft

Overall

5679

Females

2502

F30-34

512

10.65M→Finish

10.7 - 13.1 mi

Top 93%
×17story building
+244ft-114ft

Overall

5639

Females

2483

F30-34

514

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#6088
1.40M → 2.13M
316*+13
#6088 → #6075
2.13M → 6.43M
15133*+118
#6075 → #5957
6.43M → 6.62M
214+12
#5957 → #5945
6.62M → 10.65M
2991*+62
#5945 → #5883
10.65M → Finish
1046*+36
#5883 → #5847
TOTALS
59300*+241
#6088 → #5847

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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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

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