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BOSTON MARATHON 2023

Bill Cottrell

Bib: 6530•M

OR

0:00
0:00
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4243
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:39
Rank: #4012 (+231)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:24
Rank: #3969 (+43)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:23:21
Rank: #3935 (+34)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:27:57
Rank: #3971 (-36)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:44:29
Rank: #4023 (-52)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:06:22
Rank: #4109 (-86)
25K → 30K
21:53 | 7:03/mi
20M
2:16:00
Rank: #4157 (-48)
30K → 20M
9:38 | 7:05/mi
21M
2:23:42
Rank: #4244 (-87)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:28:51
Rank: #4252 (-8)
21M → 35K
5:09 | 6:53/mi
23M
2:37:53
Rank: #4308 (-56)
35K → 23M
9:02 | 7:13/mi
24M
2:44:45
Rank: #4304 (+4)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:59
Rank: #4343 (-39)
24M → 40K
6:14 | 7:17/mi
25.2M
2:53:40
Rank: #4356 (-13)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:01:03
Rank: #4423 (-67)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:57
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2621:006:4621:00
6:46
-
10K
6.21 mi10:45:0541:396:4220:39
6:39
-0:07
15K
9.32 mi11:05:501:02:246:4220:45
6:41
+0:02
20K
12.43 mi11:26:471:23:216:4220:57
6:45
+0:04
Half
13.11 mi11:31:231:27:576:434:36
6:45
0:00
25K
15.53 mi11:47:551:44:296:4416:32
6:49
+0:04
30K
18.64 mi12:09:482:06:226:4721:53
7:03
+0:14
20M
20.00 mi12:19:262:16:006:489:38
7:05
+0:02
21M
21.00 mi12:27:082:23:426:517:42
7:42
+0:37
35K
21.75 mi12:32:172:28:516:515:09
6:53
-0:49
23M
23.00 mi12:41:192:37:536:529:02
7:13
+0:20
24M
24.00 mi12:48:112:44:456:526:52
6:52
-0:21
40K
24.85 mi12:54:252:50:596:536:14
7:17
+0:25
25.2M
25.20 mi12:57:062:53:406:532:41
7:47
+0:30
Finish
26.22 mi13:04:293:01:036:557:23
7:15
-0:32

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

6:39 /mi

Average Pace

6:55 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:40

94% of race

Time at Steady Pace

10:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /mi

Loading chart...
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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi10:24:2621:006:4621:00
6:46
#4243
10K
6.21 mi10:45:0541:396:4220:39
6:39
#4012
15K
9.32 mi11:05:501:02:246:4220:45
6:41
#3969
20K
12.43 mi11:26:471:23:216:4220:57
6:45
#3935
Half
13.11 mi11:31:231:27:576:434:36
6:45
#3971
25K
15.53 mi11:47:551:44:296:4416:32
6:49
#4023
30K
18.64 mi12:09:482:06:226:4721:53
7:03
#4109
20M
20.00 mi12:19:262:16:006:489:38
7:05
#4157
21M
21.00 mi12:27:082:23:426:517:42
7:42
#4244
35K
21.75 mi12:32:172:28:516:515:09
6:53
#4252
23M
23.00 mi12:41:192:37:536:529:02
7:13
#4308
24M
24.00 mi12:48:112:44:456:526:52
6:52
#4304
40K
24.85 mi12:54:252:50:596:536:14
7:17
#4343
25.2M
25.20 mi12:57:062:53:406:532:41
7:47
#4356
Finish
26.22 mi13:04:293:01:036:557:23
7:15
#4423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4243397239723933(Top 15%)3697(Top 24%)3697(Top 70%)
10K6.21 mi3.10 mi4012+2313773+1993773+1993868(Top 15%)3645(Top 24%)3645(Top 69%)
15K9.32 mi3.11 mi3969+433736+373736+373933(Top 15%)3697(Top 24%)3697(Top 70%)
20K12.43 mi3.11 mi3935+343704+323704+323926(Top 15%)3700(Top 24%)3700(Top 70%)
Half13.11 mi0.68 mi3971-363735-313735-314737(Top 18%)4399(Top 29%)4399(Top 83%)
25K15.53 mi2.42 mi4023-523785-503785-504318(Top 16%)4034(Top 27%)4034(Top 76%)
30K18.64 mi3.11 mi4109-863862-773862-774621(Top 17%)4273(Top 28%)4273(Top 81%)
20M20.00 mi1.36 mi4157-483900-383900-384541(Top 17%)4166(Top 27%)4166(Top 79%)
21M21.00 mi1.00 mi4244-873973-733973-735578(Top 21%)4879(Top 32%)4879(Top 92%)
35K21.75 mi0.75 mi4252-83978-53978-54668(Top 18%)4233(Top 28%)4233(Top 80%)
23M23.00 mi1.25 mi4308-564029-514029-514861(Top 18%)4360(Top 29%)4360(Top 82%)
24M24.00 mi1.00 mi4304+44027+24027+24021(Top 15%)3669(Top 24%)3669(Top 69%)
40K24.85 mi0.85 mi4343-394058-314058-315346(Top 20%)4576(Top 30%)4576(Top 87%)
25.2M25.20 mi0.35 mi4356-134065-74065-75225(Top 20%)4405(Top 29%)4405(Top 83%)
Finish26.22 mi1.02 mi4423-674122-574122-576687(Top 25%)5360(Top 35%)5360(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3933

Males

3697

M18-39

3697

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3868

Males

3645

M18-39

3645

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3933

Males

3697

M18-39

3697

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3926

Males

3700

M18-39

3700

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4737

Males

4399

M18-39

4399

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4318

Males

4034

M18-39

4034

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4621

Males

4273

M18-39

4273

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4541

Males

4166

M18-39

4166

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5578

Males

4879

M18-39

4879

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4668

Males

4233

M18-39

4233

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4861

Males

4360

M18-39

4360

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4021

Males

3669

M18-39

3669

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5346

Males

4576

M18-39

4576

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5225

Males

4405

M18-39

4405

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6687

Males

5360

M18-39

5360

Passing Analysis

Category:
Athletes Passed
1092
Passed By
1272
Net Change
-180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4243
5K → 10K368137+231#4243#4012
10K → 15K13693+43#4012#3969
15K → 20K13096+34#3969#3935
20K → Half1046-36#3935#3971
Half → 25K62114-52#3971#4023
25K → 30K85171-86#4023#4109
30K → 20M4290-48#4109#4157
20M → 21M45132-87#4157#4244
21M → 35K3240-8#4244#4252
35K → 23M53109-56#4252#4308
23M → 24M5248+4#4308#4304
24M → 40K3372-39#4304#4343
40K → 25.2M2336-13#4343#4356
25.2M → Finish2188-67#4356#4423
TOTALS10921272-180
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing