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BOSTON MARATHON 2023

John Crowe

Bib: 696•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:16
Rank: #499
Start → 5K
18:16 | 5:53/mi
10K· 6.21 mi
36:28
Rank: #502 (-3)
5K → 10K
18:12 | 5:51/mi
15K· 9.32 mi
54:39
Rank: #472 (+30)
10K → 15K
18:11 | 5:51/mi
20K· 12.43 mi
1:13:32
Rank: #526 (-54)
15K → 20K
18:53 | 6:05/mi
Half· 13.11 mi
1:17:30
Rank: #521 (+5)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:45
Rank: #490 (+31)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:51:29
Rank: #543 (-53)
25K → 30K
19:44 | 6:21/mi
20M
1:59:26
Rank: #498 (+45)
30K → 20M
7:57 | 5:51/mi
21M
2:05:32
Rank: #470 (+28)
20M → 21M
6:06 | 6:06/mi
35K· 21.75 mi
2:09:51
Rank: #464 (+6)
21M → 35K
4:19 | 5:46/mi
23M
2:17:22
Rank: #445 (+19)
35K → 23M
7:31 | 6:00/mi
24M
2:23:11
Rank: #440 (+5)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:28:10
Rank: #418 (+22)
24M → 40K
4:59 | 5:50/mi
25.2M
2:30:20
Rank: #407 (+11)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:36:04
Rank: #389 (+18)
25.2M → Finish
5:44 | 5:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:30
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:18:34
Pace6:00 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2918:165:5318:16
5:53
-
10K
6.21 mi10:36:4136:285:5218:12
5:51
-0:02
15K
9.32 mi10:54:5254:395:5218:11
5:51
0:00
20K
12.43 mi11:13:451:13:325:5518:53
6:05
+0:14
Half
13.11 mi11:17:431:17:305:553:58
5:49
-0:16
25K
15.53 mi11:31:581:31:455:5414:15
5:53
+0:04
30K
18.64 mi11:51:421:51:295:5919:44
6:21
+0:28
20M
20.00 mi11:59:391:59:265:587:57
5:51
-0:30
21M
21.00 mi12:05:452:05:325:596:06
6:06
+0:15
35K
21.75 mi12:10:042:09:515:584:19
5:46
-0:20
23M
23.00 mi12:17:352:17:225:587:31
6:00
+0:14
24M
24.00 mi12:23:242:23:115:585:49
5:49
-0:11
40K
24.85 mi12:28:232:28:105:584:59
5:50
+0:01
25.2M
25.20 mi12:30:332:30:205:582:10
6:17
+0:27
Finish
26.22 mi12:36:172:36:045:575:44
5:38
-0:39

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

5:38 /mi

Average Pace

5:57 /mi

Slowest Pace

6:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:10

86% of race

Time at Steady Pace

21:54

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:57 /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 mi10:18:2918:165:5318:16
5:53
#499
10K
6.21 mi10:36:4136:285:5218:12
5:51
#502
15K
9.32 mi10:54:5254:395:5218:11
5:51
#472
20K
12.43 mi11:13:451:13:325:5518:53
6:05
#526
Half
13.11 mi11:17:431:17:305:553:58
5:49
#521
25K
15.53 mi11:31:581:31:455:5414:15
5:53
#490
30K
18.64 mi11:51:421:51:295:5919:44
6:21
#543
20M
20.00 mi11:59:391:59:265:587:57
5:51
#498
21M
21.00 mi12:05:452:05:325:596:06
6:06
#470
35K
21.75 mi12:10:042:09:515:584:19
5:46
#464
23M
23.00 mi12:17:352:17:225:587:31
6:00
#445
24M
24.00 mi12:23:242:23:115:585:49
5:49
#440
40K
24.85 mi12:28:232:28:105:584:59
5:50
#418
25.2M
25.20 mi12:30:332:30:205:582:10
6:17
#407
Finish
26.22 mi12:36:172:36:045:575:44
5:38
#389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi499462462437(Top 2%)403(Top 3%)403(Top 8%)
10K6.21 mi3.10 mi502-3461+1461+1514(Top 2%)473(Top 3%)473(Top 9%)
15K9.32 mi3.11 mi472+30436+25436+25437(Top 2%)403(Top 3%)403(Top 8%)
20K12.43 mi3.11 mi526-54485-49485-49721(Top 3%)679(Top 4%)679(Top 13%)
Half13.11 mi0.68 mi521+5481+4481+4408(Top 2%)377(Top 2%)377(Top 7%)
25K15.53 mi2.42 mi490+31451+30451+30362(Top 1%)334(Top 2%)334(Top 6%)
30K18.64 mi3.11 mi543-53503-52503-521056(Top 4%)1005(Top 7%)1005(Top 19%)
20M20.00 mi1.36 mi498+45460+43460+43205(Top 0.8%)183(Top 1%)183(Top 3%)
21M21.00 mi1.00 mi470+28434+26434+26165(Top 0.6%)145(Top 1.0%)145(Top 3%)
35K21.75 mi0.75 mi464+6428+6428+6317(Top 1%)291(Top 2%)291(Top 6%)
23M23.00 mi1.25 mi445+19409+19409+19306(Top 1%)281(Top 2%)281(Top 5%)
24M24.00 mi1.00 mi440+5404+5404+5271(Top 1%)247(Top 2%)247(Top 5%)
40K24.85 mi0.85 mi418+22383+21383+21168(Top 0.6%)151(Top 1.0%)151(Top 3%)
25.2M25.20 mi0.35 mi407+11373+10373+10218(Top 0.8%)199(Top 1%)199(Top 4%)
Finish26.22 mi1.02 mi389+18356+17356+17174(Top 0.7%)158(Top 1%)158(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

437

Males

403

M18-39

403

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

514

Males

473

M18-39

473

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

437

Males

403

M18-39

403

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

721

Males

679

M18-39

679

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

408

Males

377

M18-39

377

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

362

Males

334

M18-39

334

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1056

Males

1005

M18-39

1005

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

205

Males

183

M18-39

183

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

165

Males

145

M18-39

145

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

317

Males

291

M18-39

291

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

306

Males

281

M18-39

281

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

271

Males

247

M18-39

247

24M→40K

24.0 - 24.9 mi

Top 0.6%
×1story
+6ft-20ft

Overall

168

Males

151

M18-39

151

40K→25.2M

24.9 - 25.2 mi

Top 0.8%
×1story
+13ft-16ft

Overall

218

Males

199

M18-39

199

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

174

Males

158

M18-39

158

Passing Analysis

Category:
Athletes Passed
279
Passed By
169
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#499
5K → 10K3033-3#499#502
10K → 15K366+30#502#472
15K → 20K862-54#472#526
20K → Half61+5#526#521
Half → 25K321+31#521#490
25K → 30K760-53#490#543
30K → 20M450+45#543#498
20M → 21M280+28#498#470
21M → 35K60+6#470#464
35K → 23M212+19#464#445
23M → 24M83+5#445#440
24M → 40K220+22#440#418
40K → 25.2M121+11#418#407
25.2M → Finish180+18#407#389
TOTALS279169+110
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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