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BOSTON MARATHON 2023

David Marcoux

Bib: 2533•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M40-44)
#0 / 2241
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #1755
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:14
Rank: #1626 (+129)
5K → 10K
19:24 | 6:15/mi
15K· 9.32 mi
58:46
Rank: #1606 (+20)
10K → 15K
19:32 | 6:17/mi
20K· 12.43 mi
1:18:44
Rank: #1682 (-76)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:23:00
Rank: #1673 (+9)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:35
Rank: #1686 (-13)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
1:59:30
Rank: #1779 (-93)
25K → 30K
20:55 | 6:44/mi
20M
2:08:46
Rank: #1848 (-69)
30K → 20M
9:16 | 6:49/mi
21M
2:16:08
Rank: #1924 (-76)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:21:08
Rank: #1960 (-36)
21M → 35K
5:00 | 6:41/mi
23M
2:29:34
Rank: #1951 (+9)
35K → 23M
8:26 | 6:44/mi
24M
2:36:09
Rank: #1953 (-2)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:41:56
Rank: #1960 (-7)
24M → 40K
5:47 | 6:46/mi
25.2M
2:44:30
Rank: #1971 (-11)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:51:30
Rank: #2016 (-45)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:00
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:28:30
Pace6:45 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5219:506:2319:50
6:23
-
10K
6.21 mi10:40:1639:146:1919:24
6:15
-0:08
15K
9.32 mi10:59:4858:466:1819:32
6:17
+0:02
20K
12.43 mi11:19:461:18:446:2019:58
6:26
+0:09
Half
13.11 mi11:24:021:23:006:204:16
6:15
-0:11
25K
15.53 mi11:39:371:38:356:2115:35
6:26
+0:11
30K
18.64 mi12:00:321:59:306:2520:55
6:44
+0:18
20M
20.00 mi12:09:482:08:466:269:16
6:49
+0:05
21M
21.00 mi12:17:102:16:086:297:22
7:22
+0:33
35K
21.75 mi12:22:102:21:086:295:00
6:41
-0:41
23M
23.00 mi12:30:362:29:346:308:26
6:44
+0:03
24M
24.00 mi12:37:112:36:096:306:35
6:35
-0:09
40K
24.85 mi12:42:582:41:566:315:47
6:46
+0:11
25.2M
25.20 mi12:45:322:44:306:322:34
7:27
+0:41
Finish
26.22 mi12:52:322:51:306:337:00
6:52
-0:35

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

6:15 /mi

Average Pace

6:33 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:34

94% of race

Time at Steady Pace

7:22

4% of race

Time at Slower Pace

2:34

1% of race

Average Pace: 6:32 /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 mi10:20:5219:506:2319:50
6:23
#1755
10K
6.21 mi10:40:1639:146:1919:24
6:15
#1626
15K
9.32 mi10:59:4858:466:1819:32
6:17
#1606
20K
12.43 mi11:19:461:18:446:2019:58
6:26
#1682
Half
13.11 mi11:24:021:23:006:204:16
6:15
#1673
25K
15.53 mi11:39:371:38:356:2115:35
6:26
#1686
30K
18.64 mi12:00:321:59:306:2520:55
6:44
#1779
20M
20.00 mi12:09:482:08:466:269:16
6:49
#1848
21M
21.00 mi12:17:102:16:086:297:22
7:22
#1924
35K
21.75 mi12:22:102:21:086:295:00
6:41
#1960
23M
23.00 mi12:30:362:29:346:308:26
6:44
#1951
24M
24.00 mi12:37:112:36:096:306:35
6:35
#1953
40K
24.85 mi12:42:582:41:566:315:47
6:46
#1960
25.2M
25.20 mi12:45:322:44:306:322:34
7:27
#1971
Finish
26.22 mi12:52:322:51:306:337:00
6:52
#2016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1755167316731600(Top 6%)1528(Top 10%)1528(Top 68%)
10K6.21 mi3.10 mi1626+1291552+1211552+1211532(Top 6%)1465(Top 10%)1465(Top 65%)
15K9.32 mi3.11 mi1606+201534+181534+181600(Top 6%)1528(Top 10%)1528(Top 68%)
20K12.43 mi3.11 mi1682-761610-761610-761913(Top 7%)1836(Top 12%)1836(Top 82%)
Half13.11 mi0.68 mi1673+91601+91601+91617(Top 6%)1552(Top 10%)1552(Top 69%)
25K15.53 mi2.42 mi1686-131614-131614-131845(Top 7%)1768(Top 12%)1768(Top 79%)
30K18.64 mi3.11 mi1779-931703-891703-892556(Top 10%)2430(Top 16%)2430(Top 108%)
20M20.00 mi1.36 mi1848-691767-641767-642906(Top 11%)2731(Top 18%)2731(Top 122%)
21M21.00 mi1.00 mi1924-761841-741841-743928(Top 15%)3620(Top 24%)3620(Top 162%)
35K21.75 mi0.75 mi1960-361877-361877-363414(Top 13%)3166(Top 21%)3166(Top 141%)
23M23.00 mi1.25 mi1951+91870+71870+72317(Top 9%)2178(Top 14%)2178(Top 97%)
24M24.00 mi1.00 mi1953-2187018702450(Top 9%)2286(Top 15%)2286(Top 102%)
40K24.85 mi0.85 mi1960-71876-61876-62617(Top 10%)2416(Top 16%)2416(Top 108%)
25.2M25.20 mi0.35 mi1971-111887-111887-113541(Top 13%)3169(Top 21%)3169(Top 141%)
Finish26.22 mi1.02 mi2016-451932-451932-454417(Top 17%)3850(Top 25%)3850(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1600

Males

1528

M40-44

1528

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1532

Males

1465

M40-44

1465

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1600

Males

1528

M40-44

1528

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1913

Males

1836

M40-44

1836

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1617

Males

1552

M40-44

1552

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1845

Males

1768

M40-44

1768

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2556

Males

2430

M40-44

2430

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2906

Males

2731

M40-44

2731

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3928

Males

3620

M40-44

3620

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3414

Males

3166

M40-44

3166

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2317

Males

2178

M40-44

2178

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2450

Males

2286

M40-44

2286

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2617

Males

2416

M40-44

2416

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3541

Males

3169

M40-44

3169

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4417

Males

3850

M40-44

3850

Passing Analysis

Category:
Athletes Passed
483
Passed By
744
Net Change
-261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1755
5K → 10K16536+129#1755#1626
10K → 15K6747+20#1626#1606
15K → 20K26102-76#1606#1682
20K → Half101+9#1682#1673
Half → 25K3245-13#1673#1686
25K → 30K30123-93#1686#1779
30K → 20M1685-69#1779#1848
20M → 21M1288-76#1848#1924
21M → 35K642-36#1924#1960
35K → 23M4031+9#1960#1951
23M → 24M2830-2#1951#1953
24M → 40K2229-7#1953#1960
40K → 25.2M1021-11#1960#1971
25.2M → Finish1964-45#1971#2016
TOTALS483744-261
📊

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