Alex Claxton

SAN MATEO, CA

Bib: 17666 M 37

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M35-39)
#0 / 583
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
11:27/mi
20:44
→ flat
5.34M
11:57/mi
1:02:54
8074
6.15M
14:37/mi
1:14:44
126
10.54M
14:36/mi
2:18:50
230361
11.05M
18:59/mi
2:28:31
172
Finish· 13.11 mi
13:55/mi
2:57:10
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:14:4412:09 /mi⚡ faster
2nd Half
1:42:2614:43 /mi+37.1%
Positive split — 37.1% 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
1.81M
20:4411:271.81 mi20:44
11:27
-
5.34M
1:02:5411:473.53 mi42:10
11:57
+0:30
6.15M
1:14:4412:090.81 mi11:50
14:37
+2:40
10.54M
2:18:5013:104.39 mi1:04:06
14:36
-0:01
11.05M
2:28:3113:260.51 mi9:41
18:59
+4:23
Finish(13.11 mi)
2:57:1013:312.06 mi28:39
13:55
-5:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:27 /mi

Average Pace

13:31 /mi

Slowest Pace

18:59 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:02:54

36% of race

Time at Steady Pace

1:44:35

59% of race

Time at Slower Pace

9:41

5% of race

Average Pace: 13:31 /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
1.81M1.81 mi6177360552861773605528
5.34M3.53 mi6063+1143570+35517+1160183547516
6.15M0.81 mi6236-1733640-70529-1267343826557
10.54M4.39 mi6575-3393775-135547-1867883837559
11.05M0.51 mi6573+23776-154762843635528
Finish(13.11 mi)2.06 mi6520+533746+30544+362103532518

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 87%
~flat
+4ft-3ft

Overall

6177

Males

3605

M35-39

528

1.81M→5.34M

1.8 - 5.3 mi

Top 85%
×4story building
+80ft-74ft

Overall

6018

Males

3547

M35-39

516

5.34M→6.15M

5.3 - 6.2 mi

Top 95%
×10story building
+126ft-4ft

Overall

6734

Males

3826

M35-39

557

6.15M→10.54M

6.2 - 10.5 mi

Top 96%
×21story building
+230ft-361ft

Overall

6788

Males

3837

M35-39

559

10.54M→11.05M

10.5 - 11.1 mi

Top 89%
×14story building
+172ft-0ft

Overall

6284

Males

3635

M35-39

528

11.05M→Finish

11.1 - 13.1 mi

Top 87%
×7story building
+97ft-114ft

Overall

6210

Males

3532

M35-39

518

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6177
1.81M5.34M
119233*+114
#6177 #6063
5.34M6.15M
1807-173
#6063 #6236
6.15M10.54M
36122*-339
#6236 #6575
10.54M11.05M
1315+2
#6575 #6573
11.05MFinish
1265*+53
#6573 #6520
TOTALS
685342*-343
#6177 #6520

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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