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BOSTON MARATHON 2024

Dennis Mcduffie

Bib: 765•M

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 4%
Division (M18-39)
#0 / 4849
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:44
Rank: #369
Start → 5K
17:44 | 5:42/mi
10K· 6.21 mi
35:22
Rank: #318 (+51)
5K → 10K
17:38 | 5:41/mi
15K· 9.32 mi
53:26
Rank: #350 (-32)
10K → 15K
18:04 | 5:49/mi
20K· 12.43 mi
1:12:04
Rank: #385 (-35)
15K → 20K
18:38 | 6:00/mi
Half· 13.11 mi
1:16:04
Rank: #388 (-3)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:30:48
Rank: #407 (-19)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:50:35
Rank: #435 (-28)
25K → 30K
19:47 | 6:22/mi
20M
1:59:32
Rank: #447 (-12)
30K → 20M
8:57 | 6:35/mi
21M
2:06:35
Rank: #466 (-19)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:11:31
Rank: #484 (-18)
21M → 35K
4:56 | 6:36/mi
23M
2:20:00
Rank: #496 (-12)
35K → 23M
8:29 | 6:47/mi
24M
2:26:47
Rank: #518 (-22)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:32:44
Rank: #539 (-21)
24M → 40K
5:57 | 6:58/mi
25.2M
2:35:24
Rank: #554 (-15)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:42:19
Rank: #588 (-34)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:04
Pace5:48 /mi
2nd Half
Distance13.11 mi
Time1:26:15
Pace6:35 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0217:445:4217:44
5:42
-
10K
6.21 mi10:35:4035:225:4217:38
5:41
-0:01
15K
9.32 mi10:53:4453:265:4418:04
5:49
+0:08
20K
12.43 mi11:12:221:12:045:4818:38
6:00
+0:11
Half
13.11 mi11:16:221:16:045:484:00
5:52
-0:08
25K
15.53 mi11:31:061:30:485:5114:44
6:05
+0:13
30K
18.64 mi11:50:531:50:355:5619:47
6:22
+0:17
20M
20.00 mi11:59:501:59:325:598:57
6:35
+0:13
21M
21.00 mi12:06:532:06:356:027:03
7:03
+0:28
35K
21.75 mi12:11:492:11:316:034:56
6:36
-0:27
23M
23.00 mi12:20:182:20:006:058:29
6:47
+0:11
24M
24.00 mi12:27:052:26:476:076:47
6:47
0:00
40K
24.85 mi12:33:022:32:446:095:57
6:58
+0:11
25.2M
25.20 mi12:35:422:35:246:102:40
7:44
+0:46
Finish
26.22 mi12:42:372:42:196:126:55
6:47
-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

5:41 /mi

Average Pace

6:12 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:48

56% of race

Time at Steady Pace

55:51

34% of race

Time at Slower Pace

15:40

10% of race

Average Pace: 6:11 /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 mi10:18:0217:445:4217:44
5:42
#369
10K
6.21 mi10:35:4035:225:4217:38
5:41
#318
15K
9.32 mi10:53:4453:265:4418:04
5:49
#350
20K
12.43 mi11:12:221:12:045:4818:38
6:00
#385
Half
13.11 mi11:16:221:16:045:484:00
5:52
#388
25K
15.53 mi11:31:061:30:485:5114:44
6:05
#407
30K
18.64 mi11:50:531:50:355:5619:47
6:22
#435
20M
20.00 mi11:59:501:59:325:598:57
6:35
#447
21M
21.00 mi12:06:532:06:356:027:03
7:03
#466
35K
21.75 mi12:11:492:11:316:034:56
6:36
#484
23M
23.00 mi12:20:182:20:006:058:29
6:47
#496
24M
24.00 mi12:27:052:26:476:076:47
6:47
#518
40K
24.85 mi12:33:022:32:446:095:57
6:58
#539
25.2M
25.20 mi12:35:422:35:246:102:40
7:44
#554
Finish
26.22 mi12:42:372:42:196:126:55
6:47
#588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi369348348404(Top 2%)382(Top 3%)382(Top 8%)
10K6.21 mi3.10 mi318+51297+51297+51285(Top 1%)264(Top 2%)264(Top 5%)
15K9.32 mi3.11 mi350-32328-31328-31404(Top 2%)382(Top 3%)382(Top 8%)
20K12.43 mi3.11 mi385-35363-35363-35595(Top 2%)570(Top 4%)570(Top 12%)
Half13.11 mi0.68 mi388-3366-3366-3488(Top 2%)465(Top 3%)465(Top 10%)
25K15.53 mi2.42 mi407-19385-19385-19605(Top 2%)576(Top 4%)576(Top 12%)
30K18.64 mi3.11 mi435-28412-27412-27767(Top 3%)733(Top 5%)733(Top 15%)
20M20.00 mi1.36 mi447-12424-12424-121029(Top 4%)979(Top 7%)979(Top 20%)
21M21.00 mi1.00 mi466-19442-18442-181178(Top 5%)1113(Top 8%)1113(Top 23%)
35K21.75 mi0.75 mi484-18458-16458-161503(Top 6%)1406(Top 10%)1406(Top 29%)
23M23.00 mi1.25 mi496-12469-11469-111232(Top 5%)1161(Top 8%)1161(Top 24%)
24M24.00 mi1.00 mi518-22490-21490-211611(Top 6%)1481(Top 10%)1481(Top 31%)
40K24.85 mi0.85 mi539-21510-20510-201707(Top 7%)1544(Top 11%)1544(Top 32%)
25.2M25.20 mi0.35 mi554-15525-15525-151936(Top 8%)1704(Top 12%)1704(Top 35%)
Finish26.22 mi1.02 mi588-34559-34559-342251(Top 9%)1953(Top 13%)1953(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

404

Males

382

M18-39

382

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

285

Males

264

M18-39

264

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

404

Males

382

M18-39

382

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

595

Males

570

M18-39

570

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

488

Males

465

M18-39

465

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

605

Males

576

M18-39

576

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

767

Males

733

M18-39

733

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1029

Males

979

M18-39

979

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1178

Males

1113

M18-39

1113

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1503

Males

1406

M18-39

1406

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1232

Males

1161

M18-39

1161

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1611

Males

1481

M18-39

1481

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1707

Males

1544

M18-39

1544

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

1936

Males

1704

M18-39

1704

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2251

Males

1953

M18-39

1953

Passing Analysis

Category:
Athletes Passed
178
Passed By
397
Net Change
-219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#369
5K → 10K587+51#369#318
10K → 15K739-32#318#350
15K → 20K944-35#350#385
20K → Half58-3#385#388
Half → 25K1635-19#388#407
25K → 30K2351-28#407#435
30K → 20M921-12#435#447
20M → 21M928-19#447#466
21M → 35K624-18#466#484
35K → 23M1527-12#484#496
23M → 24M931-22#496#518
24M → 40K829-21#518#539
40K → 25.2M217-15#539#554
25.2M → Finish236-34#554#588
TOTALS178397-219
📊

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