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SF MARATHON 1ST HALF 2023

John Challis

Burlingame, CA

Bib: 13418 M 41

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Division (M40-44)
#0 / 332
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 5
Start
0:00
Race begins
1.40M
10:15/mi
14:21
→ flat
2.13M
20:34/mi
29:22
→ flat
6.43M
13:52/mi
1:29:01
↑ 274↓ 78
6.62M
-38:-31/mi
1:21:53
↑ 16
10.65M
10:31/mi
2:04:17
↑ 153↓ 361
Finish· 13.11 mi
10:10/mi
2:29:16
↑ 244↓ 114
Course Elevation
774ft
Total climb
557ft
Total descent
267ft
Range
10 to 277 ft
≈
×22story building

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The Course

Half Splits

1st Half· via 6.62M
1:21:5312:22 /mi+17.7%
2nd Half
1:07:2310:23 /mi✓ faster
Negative split — 17.7% faster in the second half
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Your race, unpacked

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
14:2110:151.40 mi14:21
10:15
-
2.13M
29:2213:470.73 mi15:01
20:34
+10:19
6.43M
1:29:0113:514.30 mi59:39
13:52
-6:42
6.62M
1:21:5312:220.19 mi
-38:-31
-52:23
10.65M
2:04:1711:404.03 mi42:24
10:31
+49:02
Finish(13.11 mi)
2:29:1611:232.46 mi24:59
10:10
-0:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-39:-31 /mi

Average Pace

11:23 /mi

Slowest Pace

20:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:29:16

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:23 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi4364262525643642625256
2.13M0.73 mi4193+1712556+69250+641942532253
6.43M4.30 mi4634-4412768-212268-1848262835269
6.62M0.19 mi4703-692796-28273-5---
10.65M4.03 mi4315+3882617+179258+1536372244212
Finish(13.11 mi)2.46 mi4165+1502529+88241+1735352176203

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 72%
~flat
+3ft-2ft

Overall

4364

Males

2625

M40-44

256

1.40M→2.13M

1.4 - 2.1 mi

Top 69%
~flat
+3ft-1ft

Overall

4194

Males

2532

M40-44

255

2.13M→6.43M

2.1 - 6.4 mi

Top 79%
×17story building
+274ft-78ft

Overall

4826

Males

2835

M40-44

269

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 60%
×21story building
+153ft-361ft

Overall

3637

Males

2244

M40-44

212

10.65M→Finish

10.7 - 13.1 mi

Top 58%
×17story building
+244ft-114ft

Overall

3535

Males

2176

M40-44

203

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4364
1.40M → 2.13M
100271+171
#4364 → #4193
2.13M → 6.43M
563122*-441
#4193 → #4634
6.43M → 6.62M
10738-69
#4634 → #4703
6.62M → 10.65M
28416*+388
#4703 → #4315
10.65M → Finish
22172*+150
#4315 → #4165
TOTALS
8201019*+199
#4364 → #4165

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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