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BOSTON MARATHON 2023

Gilles Constant

Bib: 4839•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M50-54)
#0 / 2052
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #5937
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
42:41
Rank: #5579 (+358)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:48
Rank: #5419 (+160)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:25:01
Rank: #5240 (+179)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:29:36
Rank: #5205 (+35)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:47:09
Rank: #5567 (-362)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:08:52
Rank: #5278 (+289)
25K → 30K
21:43 | 6:59/mi
20M
2:18:20
Rank: #5123 (+155)
30K → 20M
9:28 | 6:58/mi
21M
2:25:47
Rank: #5036 (+87)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:30:55
Rank: #5001 (+35)
21M → 35K
5:08 | 6:52/mi
23M
2:39:45
Rank: #4887 (+114)
35K → 23M
8:50 | 7:03/mi
24M
2:46:38
Rank: #4822 (+65)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:52:46
Rank: #4779 (+43)
24M → 40K
6:08 | 7:10/mi
25.2M
2:55:23
Rank: #4756 (+23)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:02:44
Rank: #4770 (-14)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:36
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3121:366:5721:36
6:57
-
10K
6.21 mi10:44:3642:416:5221:05
6:47
-0:10
15K
9.32 mi11:05:431:03:486:5121:07
6:48
+0:01
20K
12.43 mi11:26:561:25:016:5021:13
6:50
+0:02
Half
13.11 mi11:31:311:29:366:504:35
6:43
-0:07
25K
15.53 mi11:49:041:47:096:5417:33
7:14
+0:31
30K
18.64 mi12:10:472:08:526:5521:43
6:59
-0:15
20M
20.00 mi12:20:152:18:206:559:28
6:58
-0:01
21M
21.00 mi12:27:422:25:476:577:27
7:27
+0:29
35K
21.75 mi12:32:502:30:556:565:08
6:52
-0:35
23M
23.00 mi12:41:402:39:456:578:50
7:03
+0:11
24M
24.00 mi12:48:332:46:386:576:53
6:53
-0:10
40K
24.85 mi12:54:412:52:466:576:08
7:10
+0:17
25.2M
25.20 mi12:57:182:55:236:582:37
7:35
+0:25
Finish
26.22 mi13:04:393:02:446:587:21
7:13
-0:22

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

6:43 /mi

Average Pace

6:58 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:40

94% of race

Time at Steady Pace

10:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:23:3121:366:5721:36
6:57
#5937
10K
6.21 mi10:44:3642:416:5221:05
6:47
#5579
15K
9.32 mi11:05:431:03:486:5121:07
6:48
#5419
20K
12.43 mi11:26:561:25:016:5021:13
6:50
#5240
Half
13.11 mi11:31:311:29:366:504:35
6:43
#5205
25K
15.53 mi11:49:041:47:096:5417:33
7:14
#5567
30K
18.64 mi12:10:472:08:526:5521:43
6:59
#5278
20M
20.00 mi12:20:152:18:206:559:28
6:58
#5123
21M
21.00 mi12:27:422:25:476:577:27
7:27
#5036
35K
21.75 mi12:32:502:30:556:565:08
6:52
#5001
23M
23.00 mi12:41:402:39:456:578:50
7:03
#4887
24M
24.00 mi12:48:332:46:386:576:53
6:53
#4822
40K
24.85 mi12:54:412:52:466:576:08
7:10
#4779
25.2M
25.20 mi12:57:182:55:236:582:37
7:35
#4756
Finish
26.22 mi13:04:393:02:446:587:21
7:13
#4770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5937543754375081(Top 19%)4708(Top 31%)4708(Top 229%)
10K6.21 mi3.10 mi5579+3585140+2975140+2975143(Top 19%)4757(Top 31%)4757(Top 232%)
15K9.32 mi3.11 mi5419+1605006+1345006+1345081(Top 19%)4708(Top 31%)4708(Top 229%)
20K12.43 mi3.11 mi5240+1794858+1484858+1484712(Top 18%)4384(Top 29%)4384(Top 214%)
Half13.11 mi0.68 mi5205+354826+324826+324545(Top 17%)4237(Top 28%)4237(Top 206%)
25K15.53 mi2.42 mi5567-3625133-3075133-3076872(Top 26%)6065(Top 40%)6065(Top 296%)
30K18.64 mi3.11 mi5278+2894877+2564877+2564289(Top 16%)3991(Top 26%)3991(Top 194%)
20M20.00 mi1.36 mi5123+1554742+1354742+1353838(Top 14%)3574(Top 24%)3574(Top 174%)
21M21.00 mi1.00 mi5036+874659+834659+834348(Top 16%)3974(Top 26%)3974(Top 194%)
35K21.75 mi0.75 mi5001+354625+344625+344570(Top 17%)4161(Top 27%)4161(Top 203%)
23M23.00 mi1.25 mi4887+1144526+994526+994068(Top 15%)3744(Top 25%)3744(Top 182%)
24M24.00 mi1.00 mi4822+654466+604466+604104(Top 15%)3735(Top 25%)3735(Top 182%)
40K24.85 mi0.85 mi4779+434425+414425+414734(Top 18%)4161(Top 27%)4161(Top 203%)
25.2M25.20 mi0.35 mi4756+234399+264399+264314(Top 16%)3784(Top 25%)3784(Top 184%)
Finish26.22 mi1.02 mi4770-144406-74406-76484(Top 24%)5235(Top 34%)5235(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5081

Males

4708

M50-54

4708

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5143

Males

4757

M50-54

4757

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5081

Males

4708

M50-54

4708

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4712

Males

4384

M50-54

4384

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4545

Males

4237

M50-54

4237

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6872

Males

6065

M50-54

6065

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4289

Males

3991

M50-54

3991

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3838

Males

3574

M50-54

3574

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4348

Males

3974

M50-54

3974

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4570

Males

4161

M50-54

4161

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4068

Males

3744

M50-54

3744

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4104

Males

3735

M50-54

3735

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4734

Males

4161

M50-54

4161

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4314

Males

3784

M50-54

3784

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6484

Males

5235

M50-54

5235

Passing Analysis

Category:
Athletes Passed
1914
Passed By
747
Net Change
+1167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5937
5K → 10K43678+358#5937#5579
10K → 15K20949+160#5579#5419
15K → 20K20728+179#5419#5240
20K → Half449+35#5240#5205
Half → 25K26388-362#5205#5567
25K → 30K30617+289#5567#5278
30K → 20M17015+155#5278#5123
20M → 21M10821+87#5123#5036
21M → 35K5318+35#5036#5001
35K → 23M13117+114#5001#4887
23M → 24M8217+65#4887#4822
24M → 40K6219+43#4822#4779
40K → 25.2M329+23#4779#4756
25.2M → Finish4862-14#4756#4770
TOTALS1914747+1167
📊

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