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BOSTON MARATHON 2023

Danny Cohen

Bib: 1956•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
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
18:47
Rank: #773
Start → 5K
18:47 | 6:03/mi
10K· 6.21 mi
37:20
Rank: #748 (+25)
5K → 10K
18:33 | 5:58/mi
15K· 9.32 mi
55:57
Rank: #728 (+20)
10K → 15K
18:37 | 6:00/mi
20K· 12.43 mi
1:14:34
Rank: #668 (+60)
15K → 20K
18:37 | 6:00/mi
Half· 13.11 mi
1:18:36
Rank: #663 (+5)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:33:03
Rank: #619 (+44)
Half → 25K
14:27 | 5:58/mi
30K· 18.64 mi
1:51:39
Rank: #554 (+65)
25K → 30K
18:36 | 5:59/mi
20M
1:59:42
Rank: #522 (+32)
30K → 20M
8:03 | 5:55/mi
21M
2:05:55
Rank: #501 (+21)
20M → 21M
6:13 | 6:13/mi
35K· 21.75 mi
2:10:10
Rank: #481 (+20)
21M → 35K
4:15 | 5:41/mi
23M
2:17:35
Rank: #462 (+19)
35K → 23M
7:25 | 5:55/mi
24M
2:23:22
Rank: #449 (+13)
23M → 24M
5:47 | 5:47/mi
40K· 24.85 mi
2:28:27
Rank: #432 (+17)
24M → 40K
5:05 | 5:57/mi
25.2M
2:30:39
Rank: #427 (+5)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:36:27
Rank: #405 (+22)
25.2M → Finish
5:48 | 5:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:18:36
Pace6:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:17:51
Pace5:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2018:476:0318:47
6:03
-
10K
6.21 mi10:37:5337:206:0018:33
5:58
-0:05
15K
9.32 mi10:56:3055:576:0018:37
6:00
+0:02
20K
12.43 mi11:15:071:14:346:0018:37
6:00
0:00
Half
13.11 mi11:19:091:18:366:004:02
5:55
-0:05
25K
15.53 mi11:33:361:33:035:5914:27
5:58
+0:03
30K
18.64 mi11:52:121:51:395:5918:36
5:59
+0:01
20M
20.00 mi12:00:151:59:425:598:03
5:55
-0:04
21M
21.00 mi12:06:282:05:556:006:13
6:13
+0:18
35K
21.75 mi12:10:432:10:105:594:15
5:41
-0:32
23M
23.00 mi12:18:082:17:355:597:25
5:55
+0:14
24M
24.00 mi12:23:552:23:225:585:47
5:47
-0:08
40K
24.85 mi12:29:002:28:275:585:05
5:57
+0:10
25.2M
25.20 mi12:31:122:30:395:592:12
6:23
+0:26
Finish
26.22 mi12:37:002:36:275:585:48
5:41
-0:42

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

5:41 /mi

Average Pace

5:58 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:15

99% of race

Time at Steady Pace

2:12

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:19:2018:476:0318:47
6:03
#773
10K
6.21 mi10:37:5337:206:0018:33
5:58
#748
15K
9.32 mi10:56:3055:576:0018:37
6:00
#728
20K
12.43 mi11:15:071:14:346:0018:37
6:00
#668
Half
13.11 mi11:19:091:18:366:004:02
5:55
#663
25K
15.53 mi11:33:361:33:035:5914:27
5:58
#619
30K
18.64 mi11:52:121:51:395:5918:36
5:59
#554
20M
20.00 mi12:00:151:59:425:598:03
5:55
#522
21M
21.00 mi12:06:282:05:556:006:13
6:13
#501
35K
21.75 mi12:10:432:10:105:594:15
5:41
#481
23M
23.00 mi12:18:082:17:355:597:25
5:55
#462
24M
24.00 mi12:23:552:23:225:585:47
5:47
#449
40K
24.85 mi12:29:002:28:275:585:05
5:57
#432
25.2M
25.20 mi12:31:122:30:395:592:12
6:23
#427
Finish
26.22 mi12:37:002:36:275:585:48
5:41
#405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi773725725680(Top 3%)637(Top 4%)637(Top 12%)
10K6.21 mi3.10 mi748+25704+21704+21734(Top 3%)690(Top 5%)690(Top 13%)
15K9.32 mi3.11 mi728+20684+20684+20680(Top 3%)637(Top 4%)637(Top 12%)
20K12.43 mi3.11 mi668+60625+59625+59546(Top 2%)506(Top 3%)506(Top 10%)
Half13.11 mi0.68 mi663+5620+5620+5551(Top 2%)513(Top 3%)513(Top 10%)
25K15.53 mi2.42 mi619+44578+42578+42483(Top 2%)447(Top 3%)447(Top 8%)
30K18.64 mi3.11 mi554+65514+64514+64371(Top 1%)340(Top 2%)340(Top 6%)
20M20.00 mi1.36 mi522+32483+31483+31275(Top 1%)251(Top 2%)251(Top 5%)
21M21.00 mi1.00 mi501+21463+20463+20257(Top 1.0%)233(Top 2%)233(Top 4%)
35K21.75 mi0.75 mi481+20444+19444+19205(Top 0.8%)182(Top 1%)182(Top 3%)
23M23.00 mi1.25 mi462+19426+18426+18238(Top 0.9%)214(Top 1%)214(Top 4%)
24M24.00 mi1.00 mi449+13413+13413+13227(Top 0.9%)204(Top 1%)204(Top 4%)
40K24.85 mi0.85 mi432+17397+16397+16276(Top 1%)253(Top 2%)253(Top 5%)
25.2M25.20 mi0.35 mi427+5392+5392+5317(Top 1%)296(Top 2%)296(Top 6%)
Finish26.22 mi1.02 mi405+22370+22370+22225(Top 0.8%)208(Top 1%)208(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

680

Males

637

M18-39

637

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

734

Males

690

M18-39

690

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

680

Males

637

M18-39

637

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

546

Males

506

M18-39

506

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

551

Males

513

M18-39

513

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

483

Males

447

M18-39

447

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

371

Males

340

M18-39

340

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

275

Males

251

M18-39

251

20M→21M

20.0 - 21.0 mi

Top 1.0%
×8stories
+106ft-24ft

Overall

257

Males

233

M18-39

233

21M→35K

21.0 - 21.8 mi

Top 0.8%
×7stories
+17ft-86ft

Overall

205

Males

182

M18-39

182

35K→23M

21.8 - 23.0 mi

Top 0.9%
×5stories
+23ft-63ft

Overall

238

Males

214

M18-39

214

23M→24M

23.0 - 24.0 mi

Top 0.9%
×6stories
+12ft-82ft

Overall

227

Males

204

M18-39

204

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

276

Males

253

M18-39

253

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

317

Males

296

M18-39

296

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

225

Males

208

M18-39

208

Passing Analysis

Category:
Athletes Passed
420
Passed By
52
Net Change
+368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#773
5K → 10K5429+25#773#748
10K → 15K3313+20#748#728
15K → 20K600+60#728#668
20K → Half61+5#668#663
Half → 25K473+44#663#619
25K → 30K650+65#619#554
30K → 20M320+32#554#522
20M → 21M210+21#522#501
21M → 35K211+20#501#481
35K → 23M212+19#481#462
23M → 24M141+13#462#449
24M → 40K181+17#449#432
40K → 25.2M61+5#432#427
25.2M → Finish220+22#427#405
TOTALS42052+368
📊

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