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BOSTON MARATHON 2023

Alex Dubois

Bib: 5293•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
21:54
Rank: #6541
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
43:17
Rank: #6309 (+232)
5K → 10K
21:23 | 6:53/mi
15K· 9.32 mi
1:04:23
Rank: #5894 (+415)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:25:36
Rank: #5613 (+281)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:30:14
Rank: #5594 (+19)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:46
Rank: #5394 (+200)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:08:20
Rank: #5037 (+357)
25K → 30K
21:34 | 6:56/mi
20M
2:17:45
Rank: #4876 (+161)
30K → 20M
9:25 | 6:56/mi
21M
2:24:54
Rank: #4730 (+146)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:29:52
Rank: #4654 (+76)
21M → 35K
4:58 | 6:38/mi
23M
2:38:28
Rank: #4518 (+136)
35K → 23M
8:36 | 6:52/mi
24M
2:45:14
Rank: #4451 (+67)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:51:11
Rank: #4404 (+47)
24M → 40K
5:57 | 6:58/mi
25.2M
2:53:45
Rank: #4375 (+29)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:00:22
Rank: #4275 (+100)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:30:14
Pace6:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4121:547:0321:54
7:03
-
10K
6.21 mi10:49:0443:176:5821:23
6:53
-0:10
15K
9.32 mi11:10:101:04:236:5421:06
6:47
-0:06
20K
12.43 mi11:31:231:25:366:5321:13
6:50
+0:03
Half
13.11 mi11:36:011:30:146:534:38
6:47
-0:03
25K
15.53 mi11:52:331:46:466:5216:32
6:49
+0:02
30K
18.64 mi12:14:072:08:206:5321:34
6:56
+0:07
20M
20.00 mi12:23:322:17:456:539:25
6:56
0:00
21M
21.00 mi12:30:412:24:546:547:09
7:09
+0:13
35K
21.75 mi12:35:392:29:526:534:58
6:38
-0:31
23M
23.00 mi12:44:152:38:286:538:36
6:52
+0:14
24M
24.00 mi12:51:012:45:146:536:46
6:46
-0:06
40K
24.85 mi12:56:582:51:116:535:57
6:58
+0:12
25.2M
25.20 mi12:59:322:53:456:542:34
7:27
+0:29
Finish
26.22 mi13:06:093:00:226:536:37
6:30
-0:57

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

6:30 /mi

Average Pace

6:53 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:39

95% of race

Time at Steady Pace

9:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:27:4121:547:0321:54
7:03
#6541
10K
6.21 mi10:49:0443:176:5821:23
6:53
#6309
15K
9.32 mi11:10:101:04:236:5421:06
6:47
#5894
20K
12.43 mi11:31:231:25:366:5321:13
6:50
#5613
Half
13.11 mi11:36:011:30:146:534:38
6:47
#5594
25K
15.53 mi11:52:331:46:466:5216:32
6:49
#5394
30K
18.64 mi12:14:072:08:206:5321:34
6:56
#5037
20M
20.00 mi12:23:322:17:456:539:25
6:56
#4876
21M
21.00 mi12:30:412:24:546:547:09
7:09
#4730
35K
21.75 mi12:35:392:29:526:534:58
6:38
#4654
23M
23.00 mi12:44:152:38:286:538:36
6:52
#4518
24M
24.00 mi12:51:012:45:146:536:46
6:46
#4451
40K
24.85 mi12:56:582:51:116:535:57
6:58
#4404
25.2M
25.20 mi12:59:322:53:456:542:34
7:27
#4375
Finish
26.22 mi13:06:093:00:226:536:37
6:30
#4275
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6541591459145014(Top 19%)4654(Top 31%)4654(Top 88%)
10K6.21 mi3.10 mi6309+2325719+1955719+1955988(Top 22%)5451(Top 36%)5451(Top 103%)
15K9.32 mi3.11 mi5894+4155394+3255394+3255014(Top 19%)4654(Top 31%)4654(Top 88%)
20K12.43 mi3.11 mi5613+2815171+2235171+2234700(Top 18%)4372(Top 29%)4372(Top 83%)
Half13.11 mi0.68 mi5594+195156+155156+155134(Top 19%)4744(Top 31%)4744(Top 90%)
25K15.53 mi2.42 mi5394+2004985+1714985+1714313(Top 16%)4029(Top 27%)4029(Top 76%)
30K18.64 mi3.11 mi5037+3574672+3134672+3133948(Top 15%)3691(Top 24%)3691(Top 70%)
20M20.00 mi1.36 mi4876+1614529+1434529+1433610(Top 14%)3369(Top 22%)3369(Top 64%)
21M21.00 mi1.00 mi4730+1464404+1254404+1252868(Top 11%)2693(Top 18%)2693(Top 51%)
35K21.75 mi0.75 mi4654+764334+704334+703250(Top 12%)3035(Top 20%)3035(Top 57%)
23M23.00 mi1.25 mi4518+1364208+1264208+1263065(Top 12%)2860(Top 19%)2860(Top 54%)
24M24.00 mi1.00 mi4451+674154+544154+543482(Top 13%)3207(Top 21%)3207(Top 61%)
40K24.85 mi0.85 mi4404+474111+434111+433627(Top 14%)3291(Top 22%)3291(Top 62%)
25.2M25.20 mi0.35 mi4375+294082+294082+293637(Top 14%)3265(Top 22%)3265(Top 62%)
Finish26.22 mi1.02 mi4275+1003989+933989+932463(Top 9%)2271(Top 15%)2271(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5014

Males

4654

M18-39

4654

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5988

Males

5451

M18-39

5451

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5014

Males

4654

M18-39

4654

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4700

Males

4372

M18-39

4372

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5134

Males

4744

M18-39

4744

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4313

Males

4029

M18-39

4029

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

3948

Males

3691

M18-39

3691

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3610

Males

3369

M18-39

3369

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2868

Males

2693

M18-39

2693

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3250

Males

3035

M18-39

3035

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3065

Males

2860

M18-39

2860

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3482

Males

3207

M18-39

3207

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3627

Males

3291

M18-39

3291

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3637

Males

3265

M18-39

3265

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2463

Males

2271

M18-39

2271

Passing Analysis

Category:
Athletes Passed
2508
Passed By
242
Net Change
+2266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6541
5K → 10K33199+232#6541#6309
10K → 15K4238+415#6309#5894
15K → 20K29514+281#5894#5613
20K → Half3617+19#5613#5594
Half → 25K2077+200#5594#5394
25K → 30K3647+357#5394#5037
30K → 20M17211+161#5037#4876
20M → 21M1515+146#4876#4730
21M → 35K815+76#4730#4654
35K → 23M14711+136#4654#4518
23M → 24M8316+67#4518#4451
24M → 40K6922+47#4451#4404
40K → 25.2M3910+29#4404#4375
25.2M → Finish11010+100#4375#4275
TOTALS2508242+2266
📊

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