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BOSTON MARATHON 2023

Denis Leduc

Bib: 13634•M

ON

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:59
Rank: #11620
Start → 5K
23:59 | 7:43/mi
10K· 6.21 mi
47:44
Rank: #11633 (-13)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:11:30
Rank: #11541 (+92)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:54
Rank: #11660 (-119)
15K → 20K
24:24 | 7:51/mi
Half· 13.11 mi
1:41:11
Rank: #11697 (-37)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:00:46
Rank: #11949 (-252)
Half → 25K
19:35 | 8:05/mi
30K· 18.64 mi
2:27:35
Rank: #12606 (-657)
25K → 30K
26:49 | 8:38/mi
20M
2:39:51
Rank: #12992 (-386)
30K → 20M
12:16 | 9:02/mi
21M
2:50:07
Rank: #13458 (-466)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
2:56:52
Rank: #13667 (-209)
21M → 35K
6:45 | 9:01/mi
23M
3:09:33
Rank: #14262 (-595)
35K → 23M
12:41 | 10:08/mi
24M
3:19:09
Rank: #14559 (-297)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:28:08
Rank: #14939 (-380)
24M → 40K
8:59 | 10:30/mi
25.2M
3:31:05
Rank: #14844 (+95)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:39:50
Rank: #14904 (-60)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:58:39
Pace9:03 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3023:597:4323:59
7:43
-
10K
6.21 mi11:16:1547:447:4123:45
7:39
-0:04
15K
9.32 mi11:40:011:11:307:4023:46
7:39
0:00
20K
12.43 mi12:04:251:35:547:4324:24
7:51
+0:12
Half
13.11 mi12:09:421:41:117:435:17
7:45
-0:06
25K
15.53 mi12:29:172:00:467:4619:35
8:05
+0:20
30K
18.64 mi12:56:062:27:357:5526:49
8:38
+0:33
20M
20.00 mi13:08:222:39:518:0012:16
9:02
+0:24
21M
21.00 mi13:18:382:50:078:0610:16
10:16
+1:14
35K
21.75 mi13:25:232:56:528:086:45
9:01
-1:15
23M
23.00 mi13:38:043:09:338:1412:41
10:08
+1:07
24M
24.00 mi13:47:403:19:098:189:36
9:36
-0:32
40K
24.85 mi13:56:393:28:088:228:59
10:30
+0:54
25.2M
25.20 mi13:59:363:31:058:232:57
8:33
-1:57
Finish
26.22 mi14:08:213:39:508:238:45
8:35
+0:02

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

7:39 /mi

Average Pace

8:23 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:46

55% of race

Time at Steady Pace

57:32

26% of race

Time at Slower Pace

41:32

19% of race

Average Pace: 8:23 /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 mi10:52:3023:597:4323:59
7:43
#11620
10K
6.21 mi11:16:1547:447:4123:45
7:39
#11633
15K
9.32 mi11:40:011:11:307:4023:46
7:39
#11541
20K
12.43 mi12:04:251:35:547:4324:24
7:51
#11660
Half
13.11 mi12:09:421:41:117:435:17
7:45
#11697
25K
15.53 mi12:29:172:00:467:4619:35
8:05
#11949
30K
18.64 mi12:56:062:27:357:5526:49
8:38
#12606
20M
20.00 mi13:08:222:39:518:0012:16
9:02
#12992
21M
21.00 mi13:18:382:50:078:0610:16
10:16
#13458
35K
21.75 mi13:25:232:56:528:086:45
9:01
#13667
23M
23.00 mi13:38:043:09:338:1412:41
10:08
#14262
24M
24.00 mi13:47:403:19:098:189:36
9:36
#14559
40K
24.85 mi13:56:393:28:088:228:59
10:30
#14939
25.2M
25.20 mi13:59:363:31:058:232:57
8:33
#14844
Finish
26.22 mi14:08:213:39:508:238:45
8:35
#14904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi116208954895411411(Top 43%)8826(Top 58%)8826(Top 430%)
10K6.21 mi3.10 mi11633-138951+38951+311737(Top 44%)9005(Top 59%)9005(Top 439%)
15K9.32 mi3.11 mi11541+928898+538898+5311411(Top 43%)8826(Top 58%)8826(Top 430%)
20K12.43 mi3.11 mi11660-1198928-308928-3012191(Top 46%)9098(Top 60%)9098(Top 443%)
Half13.11 mi0.68 mi11697-378944-168944-1612226(Top 46%)9180(Top 60%)9180(Top 447%)
25K15.53 mi2.42 mi11949-2529025-819025-8113337(Top 50%)9496(Top 63%)9496(Top 463%)
30K18.64 mi3.11 mi12606-6579267-2429267-24215105(Top 57%)10088(Top 66%)10088(Top 492%)
20M20.00 mi1.36 mi12992-3869414-1479414-14716660(Top 63%)10685(Top 70%)10685(Top 521%)
21M21.00 mi1.00 mi13458-4669594-1809594-18018915(Top 71%)11600(Top 76%)11600(Top 565%)
35K21.75 mi0.75 mi13667-2099663-699663-6917966(Top 67%)11119(Top 73%)11119(Top 542%)
23M23.00 mi1.25 mi14262-5959855-1929855-19220355(Top 76%)12174(Top 80%)12174(Top 593%)
24M24.00 mi1.00 mi14559-2979955-1009955-10019539(Top 73%)11777(Top 78%)11777(Top 574%)
40K24.85 mi0.85 mi14939-38010078-12310078-12321213(Top 80%)12455(Top 82%)12455(Top 607%)
25.2M25.20 mi0.35 mi14844+9510028+5010028+509878(Top 37%)7264(Top 48%)7264(Top 354%)
Finish26.22 mi1.02 mi14904-6010033-510033-515884(Top 60%)10120(Top 67%)10120(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11411

Males

8826

M50-54

8826

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11737

Males

9005

M50-54

9005

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11411

Males

8826

M50-54

8826

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12191

Males

9098

M50-54

9098

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12226

Males

9180

M50-54

9180

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13337

Males

9496

M50-54

9496

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15105

Males

10088

M50-54

10088

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16660

Males

10685

M50-54

10685

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18915

Males

11600

M50-54

11600

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17966

Males

11119

M50-54

11119

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20355

Males

12174

M50-54

12174

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19539

Males

11777

M50-54

11777

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21213

Males

12455

M50-54

12455

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9878

Males

7264

M50-54

7264

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15884

Males

10120

M50-54

10120

Passing Analysis

Category:
Athletes Passed
1038
Passed By
4322
Net Change
-3284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11620
5K → 10K287300-13#11620#11633
10K → 15K240148+92#11633#11541
15K → 20K114233-119#11541#11660
20K → Half1552-37#11660#11697
Half → 25K70322-252#11697#11949
25K → 30K68725-657#11949#12606
30K → 20M28414-386#12606#12992
20M → 21M13479-466#12992#13458
21M → 35K19228-209#13458#13667
35K → 23M9604-595#13667#14262
23M → 24M24321-297#14262#14559
24M → 40K11391-380#14559#14939
40K → 25.2M961+95#14939#14844
25.2M → Finish44104-60#14844#14904
TOTALS10384322-3284
📊

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