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SF MARATHON 1ST HALF 2023

Thomas Chen

San Mateo, CA

Bib: 15659 M 37

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M35-39)
#0 / 464
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
21:03/mi
29:28
→ flat
2.13M
24:13/mi
47:09
→ flat
6.43M
15:16/mi
1:52:48
↑ 274↓ 78
6.62M
-57:-22/mi
1:42:05
↑ 16
10.65M
13:45/mi
2:37:29
↑ 153↓ 361
Finish· 13.11 mi
13:46/mi
3:11:20
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:42:0515:25 /mi+12.6%
2nd Half
1:29:1513:45 /mi✓ faster
Negative split — 12.6% 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
29:2821:031.40 mi29:28
21:03
-
2.13M
47:0922:080.73 mi17:41
24:13
+3:10
6.43M
1:52:4817:334.30 mi1:05:39
15:16
-8:57
6.62M
1:42:0515:250.19 mi
-57:-22
-72:38
10.65M
2:37:2914:474.03 mi55:24
13:45
+71:07
Finish(13.11 mi)
3:11:2014:362.46 mi33:51
13:46
+0:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-58:-22 /mi

Average Pace

14:36 /mi

Slowest Pace

24:13 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:11:20

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. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.40M1.40 mi6085334246260853342462
2.13M0.73 mi6078+73341+1463-156413185434
6.43M4.30 mi5956+1223309+32457+654933119427
6.62M0.19 mi5938+183298+11457---
10.65M4.03 mi5881+573267+31452+557123184439
Finish(13.11 mi)2.46 mi5846+353246+21449+356413151432

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 100%
~flat
+3ft-2ft

Overall

6085

Males

3342

M35-39

464

1.40M→2.13M

1.4 - 2.1 mi

Top 93%
~flat
+3ft-1ft

Overall

5641

Males

3185

M35-39

436

2.13M→6.43M

2.1 - 6.4 mi

Top 90%
×17story building
+274ft-78ft

Overall

5493

Males

3119

M35-39

427

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

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

Overall

5712

Males

3184

M35-39

439

10.65M→Finish

10.7 - 13.1 mi

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

Overall

5641

Males

3151

M35-39

432

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#6085
1.40M → 2.13M
613*+7
#6085 → #6078
2.13M → 6.43M
13135*+122
#6078 → #5956
6.43M → 6.62M
119+18
#5956 → #5938
6.62M → 10.65M
3087*+57
#5938 → #5881
10.65M → Finish
1045*+35
#5881 → #5846
TOTALS
60299*+239
#6085 → #5846

* 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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