John Walecka

Bib: 26574MAge: 34

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 13%
Gender (Male)
#0 / 2065
Top 19%
Division (M30-34)
#0 / 453
Top 21%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:09/mi
16:19
138680.7%
4M
7:49/mi
31:56
1631.4%
6M
9:56/mi
51:49
55830.3%
8M
6:17/mi
1:04:24
651510.8%
10M
8:16/mi
1:20:56
611741.1%
12M
8:30/mi
1:37:56
41530.1%
Finish· 13.11 mi
8:03/mi
1:46:52
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:49
Pace8:38 /mi
2nd Half
Distance7.11 mi
Time55:03
Pace7:45 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:2116:198:0916:19
8:09
-
4M
4.00 mi09:20:5831:567:5915:37
7:49
-0:20
6M
6.00 mi09:40:5151:498:3819:53
9:56
+2:07
8M
8.00 mi09:53:261:04:248:0312:35
6:17
-3:39
10M
10.00 mi10:09:581:20:568:0616:32
8:16
+1:59
12M
12.00 mi10:26:581:37:568:1017:00
8:30
+0:14
Finish
13.11 mi10:35:541:46:528:098:56
8:03
-0:27

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:17 /mi

Average Pace

8:09 /mi

Slowest Pace

9:56 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:35

12% of race

Time at Steady Pace

1:14:24

70% of race

Time at Slower Pace

19:53

19% of race

Average Pace: 8:09 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi09:05:2116:198:0916:19
8:09
#555
4M
4.00 mi09:20:5831:567:5915:37
7:49
#597
6M
6.00 mi09:40:5151:498:3819:53
9:56
#583
8M
8.00 mi09:53:261:04:248:0312:35
6:17
#582
10M
10.00 mi10:09:581:20:568:0616:32
8:16
#557
12M
12.00 mi10:26:581:37:568:1017:00
8:30
#531
Finish
13.11 mi10:35:541:46:528:098:56
8:03
#517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi555432102492(Top 13%)378(Top 18%)89(Top 20%)
4M4.00 mi2.00 mi597-42462-30112-10655(Top 17%)504(Top 24%)119(Top 26%)
6M6.00 mi2.00 mi583+14458+4107+5550(Top 14%)432(Top 21%)102(Top 23%)
8M8.00 mi2.00 mi582+1453+5110-3641(Top 17%)494(Top 24%)118(Top 26%)
10M10.00 mi2.00 mi557+25436+17106+4509(Top 13%)399(Top 19%)94(Top 21%)
12M12.00 mi2.00 mi531+26413+23100+6492(Top 13%)378(Top 18%)89(Top 20%)
Finish13.11 mi1.11 mi517+14402+1195+5458(Top 12%)356(Top 17%)81(Top 18%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 13%
×9story building
+138ft-68ft

Overall

492

Males

378

M30-34

89

2M→4M

2.0 - 4.0 mi

Top 17%
×13story building
+163ft-19ft

Overall

655

Males

504

M30-34

119

4M→6M

4.0 - 6.0 mi

Top 14%
×4story building
+55ft-83ft

Overall

550

Males

432

M30-34

102

6M→8M

6.0 - 8.0 mi

Top 17%
×10story building
+65ft-151ft

Overall

641

Males

494

M30-34

118

8M→10M

8.0 - 10.0 mi

Top 13%
×10story building
+61ft-174ft

Overall

509

Males

399

M30-34

94

10M→12M

10.0 - 12.0 mi

Top 13%
×3story building
+41ft-53ft

Overall

492

Males

378

M30-34

89

12M→Finish

12.0 - 13.1 mi

Top 12%
×1human
+6ft-6ft

Overall

458

Males

356

M30-34

81

Passing Analysis

Category:
Athletes Passed
147*
Passed By
109
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#555
2M4M1961-42#555#597
4M6M2915+14#597#583
6M8M1918+1#583#582
8M10M31*6+25#582#557
10M12M315+26#557#531
12MFinish184+14#531#517
TOTALS147*109+38

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

📊

Passing Visuals

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