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SF MARATHON 1ST HALF 2023

Lauren Bittner

San Jose, CA

Bib: 11197 F 31

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
1.40M
11:18/mi
15:49
→ flat
2.13M
23:18/mi
32:50
→ flat
6.43M
14:50/mi
1:36:36
↑ 274↓ 78
6.62M
-57:-27/mi
1:25:52
↑ 16
10.65M
12:59/mi
2:18:13
↑ 153↓ 361
Finish· 13.11 mi
12:46/mi
2:49:36
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:25:5212:58 /mi+2.5%
2nd Half
1:23:4412:54 /mi✓ faster
Negative split — 2.5% 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
15:4911:181.40 mi15:49
11:18
-
2.13M
32:5015:250.73 mi17:01
23:18
+12:00
6.43M
1:36:3615:014.30 mi1:03:46
14:50
-8:28
6.62M
1:25:5212:580.19 mi
-57:-27
-72:17
10.65M
2:18:1312:594.03 mi52:21
12:59
+70:26
Finish(13.11 mi)
2:49:3612:562.46 mi31:23
12:46
-0:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-58:-27 /mi

Average Pace

12:56 /mi

Slowest Pace

23:18 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:49:36

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:56 /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 mi5296224546652962245466
2.13M0.73 mi5333-372265-20468-254412342487
6.43M4.30 mi5341-82270-5469-153172266471
6.62M0.19 mi5159+1822157+113449+20---
10.65M4.03 mi5311-1522268-111468-1954762391492
Finish(13.11 mi)2.46 mi5337-262292-24470-253192304475

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 87%
~flat
+3ft-2ft

Overall

5296

Females

2245

F30-34

468

1.40M→2.13M

1.4 - 2.1 mi

Top 90%
~flat
+3ft-1ft

Overall

5441

Females

2342

F30-34

487

2.13M→6.43M

2.1 - 6.4 mi

Top 88%
×17story building
+274ft-78ft

Overall

5317

Females

2266

F30-34

471

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 90%
×21story building
+153ft-361ft

Overall

5476

Females

2391

F30-34

493

10.65M→Finish

10.7 - 13.1 mi

Top 88%
×17story building
+244ft-114ft

Overall

5319

Females

2304

F30-34

475

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5296
1.40M → 2.13M
161124-37
#5296 → #5333
2.13M → 6.43M
215207*-8
#5333 → #5341
6.43M → 6.62M
1183+182
#5341 → #5159
6.62M → 10.65M
19038*-152
#5159 → #5311
10.65M → Finish
7246*-26
#5311 → #5337
TOTALS
639598*-41
#5296 → #5337

* 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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