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BOSTON MARATHON 2024

Dennis Duffy

Bib: 18155•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #13922
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
49:22
Rank: #14009 (-87)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:14:43
Rank: #14161 (-152)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:24
Rank: #14461 (-300)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:46:59
Rank: #14404 (+57)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:09:11
Rank: #14737 (-333)
Half → 25K
22:12 | 9:09/mi
30K· 18.64 mi
2:38:12
Rank: #14735 (+2)
25K → 30K
29:01 | 9:20/mi
20M
2:50:46
Rank: #14605 (+130)
30K → 20M
12:34 | 9:15/mi
21M
3:01:03
Rank: #14585 (+20)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:08:04
Rank: #14588 (-3)
21M → 35K
7:01 | 9:23/mi
23M
3:20:19
Rank: #14601 (-13)
35K → 23M
12:15 | 9:47/mi
24M
3:31:28
Rank: #14958 (-357)
23M → 24M
11:09 | 11:09/mi
40K· 24.85 mi
3:40:31
Rank: #15062 (-104)
24M → 40K
9:03 | 10:35/mi
25.2M
3:44:45
Rank: #15137 (-75)
40K → 25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
3:54:17
Rank: #15158 (-21)
25.2M → Finish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:07:18
Pace9:43 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2124:347:5424:34
7:54
-
10K
6.21 mi11:43:0949:227:5724:48
7:59
+0:05
15K
9.32 mi12:08:301:14:438:0125:21
8:10
+0:11
20K
12.43 mi12:35:111:41:248:1026:41
8:35
+0:25
Half
13.11 mi12:40:461:46:598:105:35
8:11
-0:24
25K
15.53 mi13:02:582:09:118:1922:12
9:09
+0:58
30K
18.64 mi13:31:592:38:128:2929:01
9:20
+0:11
20M
20.00 mi13:44:332:50:468:3212:34
9:15
-0:05
21M
21.00 mi13:54:503:01:038:3710:17
10:17
+1:02
35K
21.75 mi14:01:513:08:048:397:01
9:23
-0:54
23M
23.00 mi14:14:063:20:198:4312:15
9:47
+0:24
24M
24.00 mi14:25:153:31:288:4911:09
11:09
+1:22
40K
24.85 mi14:34:183:40:318:529:03
10:35
-0:34
25.2M
25.20 mi14:38:323:44:458:554:14
12:17
+1:42
Finish
26.22 mi14:48:043:54:178:579:32
9:21
-2:56

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

7:54 /mi

Average Pace

8:57 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:59

46% of race

Time at Steady Pace

1:32:35

40% of race

Time at Slower Pace

34:43

15% of race

Average Pace: 8:56 /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 mi11:18:2124:347:5424:34
7:54
#13922
10K
6.21 mi11:43:0949:227:5724:48
7:59
#14009
15K
9.32 mi12:08:301:14:438:0125:21
8:10
#14161
20K
12.43 mi12:35:111:41:248:1026:41
8:35
#14461
Half
13.11 mi12:40:461:46:598:105:35
8:11
#14404
25K
15.53 mi13:02:582:09:118:1922:12
9:09
#14737
30K
18.64 mi13:31:592:38:128:2929:01
9:20
#14735
20M
20.00 mi13:44:332:50:468:3212:34
9:15
#14605
21M
21.00 mi13:54:503:01:038:3710:17
10:17
#14585
35K
21.75 mi14:01:513:08:048:397:01
9:23
#14588
23M
23.00 mi14:14:063:20:198:4312:15
9:47
#14601
24M
24.00 mi14:25:153:31:288:4911:09
11:09
#14958
40K
24.85 mi14:34:183:40:318:529:03
10:35
#15062
25.2M
25.20 mi14:38:323:44:458:554:14
12:17
#15137
Finish
26.22 mi14:48:043:54:178:579:32
9:21
#15158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi139229627962714453(Top 57%)9784(Top 67%)9784(Top 640%)
10K6.21 mi3.10 mi14009-879632-59632-514058(Top 55%)9647(Top 66%)9647(Top 631%)
15K9.32 mi3.11 mi14161-1529692-609692-6014453(Top 57%)9784(Top 67%)9784(Top 640%)
20K12.43 mi3.11 mi14461-3009797-1059797-10515257(Top 60%)10060(Top 69%)10060(Top 658%)
Half13.11 mi0.68 mi14404+579758+399758+3913902(Top 54%)9456(Top 65%)9456(Top 618%)
25K15.53 mi2.42 mi14737-3339864-1069864-10616226(Top 64%)10343(Top 71%)10343(Top 676%)
30K18.64 mi3.11 mi14735+29783+819783+8114782(Top 58%)9454(Top 65%)9454(Top 618%)
20M20.00 mi1.36 mi14605+1309683+1009683+10013374(Top 52%)8578(Top 59%)8578(Top 561%)
21M21.00 mi1.00 mi14585+209627+569627+5614051(Top 55%)8688(Top 60%)8688(Top 568%)
35K21.75 mi0.75 mi14588-39603+249603+2415014(Top 59%)9130(Top 63%)9130(Top 597%)
23M23.00 mi1.25 mi14601-139528+759528+7514671(Top 57%)8888(Top 61%)8888(Top 581%)
24M24.00 mi1.00 mi14958-3579653-1259653-12519610(Top 77%)11314(Top 78%)11314(Top 740%)
40K24.85 mi0.85 mi15062-1049669-169669-1616920(Top 66%)9900(Top 68%)9900(Top 647%)
25.2M25.20 mi0.35 mi15137-759679-109679-1017947(Top 70%)10386(Top 71%)10386(Top 679%)
Finish26.22 mi1.02 mi15158-219669+109669+1015852(Top 62%)9374(Top 64%)9374(Top 613%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

14453

Males

9784

M55-59

9784

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14058

Males

9647

M55-59

9647

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

14453

Males

9784

M55-59

9784

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15257

Males

10060

M55-59

10060

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

13902

Males

9456

M55-59

9456

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16226

Males

10343

M55-59

10343

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14782

Males

9454

M55-59

9454

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13374

Males

8578

M55-59

8578

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14051

Males

8688

M55-59

8688

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15014

Males

9130

M55-59

9130

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14671

Males

8888

M55-59

8888

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

19610

Males

11314

M55-59

11314

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16920

Males

9900

M55-59

9900

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17947

Males

10386

M55-59

10386

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15852

Males

9374

M55-59

9374

Passing Analysis

Category:
Athletes Passed
1807
Passed By
3043
Net Change
-1236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13922
5K → 10K258345-87#13922#14009
10K → 15K177329-152#14009#14161
15K → 20K156456-300#14161#14461
20K → Half7821+57#14461#14404
Half → 25K130463-333#14404#14737
25K → 30K274272+2#14737#14735
30K → 20M19060+130#14735#14605
20M → 21M134114+20#14605#14585
21M → 35K8184-3#14585#14588
35K → 23M136149-13#14588#14601
23M → 24M37394-357#14601#14958
24M → 40K65169-104#14958#15062
40K → 25.2M2398-75#15062#15137
25.2M → Finish6889-21#15137#15158
TOTALS18073043-1236
📊

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