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SF MARATHON 1ST HALF 2023

Brittany Woods

Long Beach, CA

Bib: 15358 F 23

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
F20-29
#0 / 376
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
20:49/mi
29:08
→ flat
2.13M
24:41/mi
47:09
→ flat
6.43M
8:52/mi
1:25:18
↑ 274↓ 78
6.62M
8:52/mi
1:26:59
↑ 16
10.65M
8:52/mi
2:02:45
↑ 153↓ 361
Finish· 13.11 mi
13:30/mi
2:35:56
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:26:5913:08 /mi+20.7%
2nd Half
1:08:5710:37 /mi✓ faster
Negative split — 20.7% 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
29:0820:491.40 mi29:08
20:49
-
2.13M
47:0922:080.73 mi18:01
24:41
+3:52
6.43M
1:25:1813:164.30 mi38:09
8:52
-15:49
6.62M
1:26:5913:080.19 mi1:41
8:52
0:00
10.65M
2:02:4511:324.03 mi35:46
8:52
0:00
Finish(13.11 mi)
2:35:5611:542.46 mi33:11
13:30
+4:38
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:52 /mi

Average Pace

11:54 /mi

Slowest Pace

24:41 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:15:36

48% of race

Time at Steady Pace

33:11

21% of race

Time at Slower Pace

47:09

30% of race

Average Pace: 11:54 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi6082273237560822732375
2.13M0.73 mi6077+52728+4376-157192500360
6.43M4.30 mi4099+19781574+1154263+113237436
6.62M0.19 mi5243-11442210-636341-7835154
10.65M4.03 mi4177+10661626+584271+70147139468
Finish(13.11 mi)2.46 mi4621-4441873-247304-3355722447354

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 100%
~flat
+3ft-2ft

Overall

6082

Females

2732

F20-24

375

1.40M→2.13M

1.4 - 2.1 mi

Top 94%
~flat
+3ft-1ft

Overall

5719

Females

2500

F20-24

360

2.13M→6.43M

2.1 - 6.4 mi

Top 4%
×17story building
+274ft-78ft

Overall

237

Females

43

F20-24

6

6.43M→6.62M

6.4 - 6.6 mi

Top 0.6%
×1story
+16ft-0ft

Overall

35

Females

15

F20-24

4

6.62M→10.65M

6.6 - 10.7 mi

Top 24%
×21story building
+153ft-361ft

Overall

1471

Females

394

F20-24

68

10.65M→Finish

10.7 - 13.1 mi

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

Overall

5572

Females

2447

F20-24

354

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#6082
1.40M → 2.13M
813*+5
#6082 → #6077
2.13M → 6.43M
11979*+1978
#6077 → #4099
6.43M → 6.62M
11451-1144
#4099 → #5243
6.62M → 10.65M
01066*+1066
#5243 → #4177
10.65M → Finish
4539*-444
#4177 → #4621
TOTALS
16073068*+1461
#6082 → #4621

* 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

The San Francisco Marathon

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