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SF MARATHON 1ST HALF 2023

Mark James

San Francisco, CA

Bib: 9369 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 11%
Gender (Male)
#0 / 3331
Top 16%
Masters (Masters Men)
#0 / 1028
Top 8%
Division (M50-54)
#0 / 199
Top 7%
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
8:33/mi
11:58
→ flat
2.13M
15:59/mi
23:38
→ flat
6.43M
9:39/mi
1:05:08
↑ 274↓ 78
6.62M
-30:-43/mi
59:29
↑ 16
10.65M
8:09/mi
1:32:21
↑ 153↓ 361
Finish· 13.11 mi
7:40/mi
1:51:11
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
59:298:59 /mi+13.1%
2nd Half
51:427:58 /mi✓ faster
Negative split — 13.1% 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
11:588:331.40 mi11:58
8:33
-
2.13M
23:3811:060.73 mi11:40
15:59
+7:26
6.43M
1:05:0810:084.30 mi41:30
9:39
-6:20
6.62M
59:298:590.19 mi
-30:-43
-40:22
10.65M
1:32:218:404.03 mi32:52
8:09
+38:52
Finish(13.11 mi)
1:51:118:292.46 mi18:50
7:40
-0:29
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-31:-43 /mi

Average Pace

8:29 /mi

Slowest Pace

15:59 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:51:11

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.40M1.40 mi16281136461628113646
2.13M0.73 mi1111+517814+32230+1679959517
6.43M4.30 mi746+365584+23017+1362148314
6.62M0.19 mi714+32556+2818-1---
10.65M4.03 mi682+32532+2414+469454916
Finish(13.11 mi)2.46 mi659+23517+1513+167353817

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 27%
~flat
+3ft-2ft

Overall

1628

Males

1136

M50-54

46

1.40M→2.13M

1.4 - 2.1 mi

Top 13%
~flat
+3ft-1ft

Overall

799

Males

595

M50-54

17

2.13M→6.43M

2.1 - 6.4 mi

Top 10%
×17story building
+274ft-78ft

Overall

621

Males

483

M50-54

14

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 11%
×21story building
+153ft-361ft

Overall

694

Males

549

M50-54

16

10.65M→Finish

10.7 - 13.1 mi

Top 11%
×17story building
+244ft-114ft

Overall

673

Males

538

M50-54

17

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1628
1.40M → 2.13M
13530+517
#1628 → #1111
2.13M → 6.43M
16381*+365
#1111 → #746
6.43M → 6.62M
1446+32
#746 → #714
6.62M → 10.65M
5082*+32
#714 → #682
10.65M → Finish
2043*+23
#682 → #659
TOTALS
1131082*+969
#1628 → #659

* 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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