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SF MARATHON 1ST HALF 2023

Stephon Birdwell

Sacramento, CA

Bib: 13381 M 32

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M30-34)
#0 / 723
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
8:36/mi
12:02
→ flat
2.13M
18:40/mi
25:40
→ flat
6.43M
11:40/mi
1:15:50
↑ 274↓ 78
6.62M
-39:-55/mi
1:08:26
↑ 16
10.65M
11:45/mi
1:55:48
↑ 153↓ 361
Finish· 13.11 mi
10:31/mi
2:21:40
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:08:2610:20 /mi⚡ faster
2nd Half
1:13:1411:17 /mi+7.0%
Positive split — 7.0% slower 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
12:028:361.40 mi12:02
8:36
-
2.13M
25:4012:030.73 mi13:38
18:40
+10:04
6.43M
1:15:5011:484.30 mi50:10
11:40
-7:00
6.62M
1:08:2610:200.19 mi
-39:-55
-51:35
10.65M
1:55:4810:524.03 mi47:22
11:45
+51:40
Finish(13.11 mi)
2:21:4010:482.46 mi25:52
10:31
-1:14
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-40:-55 /mi

Average Pace

10:48 /mi

Slowest Pace

18:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:21:40

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:48 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1715118825217151188252
2.13M0.73 mi2121-4061442-254309-5727091784399
6.43M4.30 mi2485-3641666-224382-7327461800408
6.62M0.19 mi2313+1721573+93353+29---
10.65M4.03 mi3421-11082160-587486-13348072818635
Finish(13.11 mi)2.46 mi3475-542175-15488-238412321527

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 28%
~flat
+3ft-2ft

Overall

1715

Males

1188

M30-34

254

1.40M→2.13M

1.4 - 2.1 mi

Top 45%
~flat
+3ft-1ft

Overall

2709

Males

1784

M30-34

402

2.13M→6.43M

2.1 - 6.4 mi

Top 45%
×17story building
+274ft-78ft

Overall

2746

Males

1800

M30-34

410

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 79%
×21story building
+153ft-361ft

Overall

4807

Males

2818

M30-34

637

10.65M→Finish

10.7 - 13.1 mi

Top 63%
×17story building
+244ft-114ft

Overall

3841

Males

2321

M30-34

527

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1715
1.40M → 2.13M
43933-406
#1715 → #2121
2.13M → 6.43M
45692*-364
#2121 → #2485
6.43M → 6.62M
12184+172
#2485 → #2313
6.62M → 10.65M
11135*-1108
#2313 → #3421
10.65M → Finish
11359*-54
#3421 → #3475
TOTALS
2133373*-1760
#1715 → #3475

* 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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The San Francisco Marathon

The San Francisco Marathon

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