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BOSTON MARATHON 2024

John Duffy

Bib: 30607•M

FL

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
39:24
Rank: #25517
Start → 5K
39:24 | 12:41/mi
10K· 6.21 mi
1:20:34
Rank: #25521 (-4)
5K → 10K
41:10 | 13:15/mi
15K· 9.32 mi
2:02:39
Rank: #25512 (+9)
10K → 15K
42:05 | 13:33/mi
20K· 12.43 mi
2:46:54
Rank: #25510 (+2)
15K → 20K
44:15 | 14:15/mi
Half· 13.11 mi
2:57:00
Rank: #25518 (-8)
20K → Half
10:06 | 14:48/mi
25K· 15.53 mi
3:32:47
Rank: #25516 (+2)
Half → 25K
35:47 | 14:46/mi
30K· 18.64 mi
4:18:14
Rank: #25498 (+18)
25K → 30K
45:27 | 14:38/mi
20M
4:36:55
Rank: #25481 (+17)
30K → 20M
18:41 | 13:45/mi
21M
4:54:44
Rank: #25493 (-12)
20M → 21M
17:49 | 17:49/mi
35K· 21.75 mi
5:03:11
Rank: #25473 (+20)
21M → 35K
8:27 | 11:18/mi
23M
5:19:23
Rank: #25441 (+32)
35K → 23M
16:12 | 12:56/mi
24M
5:32:51
Rank: #25438 (+3)
23M → 24M
13:28 | 13:28/mi
40K· 24.85 mi
5:44:24
Rank: #25409 (+29)
24M → 40K
11:33 | 13:31/mi
25.2M
5:49:38
Rank: #25401 (+8)
40K → 25.2M
5:14 | 15:11/mi
Finish· 26.22 mi
6:02:51
Rank: #25407 (-6)
25.2M → Finish
13:13 | 12:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:57:00
Pace13:30 /mi
2nd Half
Distance13.11 mi
Time3:05:51
Pace14:11 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:3239:2412:4139:24
12:41
-
10K
6.21 mi11:10:421:20:3412:5841:10
13:15
+0:34
15K
9.32 mi11:52:472:02:3913:1042:05
13:33
+0:18
20K
12.43 mi12:37:022:46:5413:2644:15
14:15
+0:42
Half
13.11 mi12:47:082:57:0013:3010:06
14:48
+0:33
25K
15.53 mi13:22:553:32:4713:4235:47
14:46
-0:02
30K
18.64 mi14:08:224:18:1413:5145:27
14:38
-0:08
20M
20.00 mi14:27:034:36:5513:5118:41
13:45
-0:53
21M
21.00 mi14:44:524:54:4414:0217:49
17:49
+4:04
35K
21.75 mi14:53:195:03:1113:568:27
11:18
-6:31
23M
23.00 mi15:09:315:19:2313:5316:12
12:56
+1:38
24M
24.00 mi15:22:595:32:5113:5213:28
13:28
+0:32
40K
24.85 mi15:34:325:44:2413:5111:33
13:31
+0:03
25.2M
25.20 mi15:39:465:49:3813:525:14
15:11
+1:40
Finish
26.22 mi15:52:596:02:5113:5113:13
12:58
-2:13

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

11:18 /mi

Average Pace

13:51 /mi

Slowest Pace

17:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:51

13% of race

Time at Steady Pace

3:20:37

55% of race

Time at Slower Pace

1:54:23

32% of race

Average Pace: 13:50 /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 mi10:29:3239:2412:4139:24
12:41
#25517
10K
6.21 mi11:10:421:20:3412:5841:10
13:15
#25521
15K
9.32 mi11:52:472:02:3913:1042:05
13:33
#25512
20K
12.43 mi12:37:022:46:5413:2644:15
14:15
#25510
Half
13.11 mi12:47:082:57:0013:3010:06
14:48
#25518
25K
15.53 mi13:22:553:32:4713:4235:47
14:46
#25516
30K
18.64 mi14:08:224:18:1413:5145:27
14:38
#25498
20M
20.00 mi14:27:034:36:5513:5118:41
13:45
#25481
21M
21.00 mi14:44:524:54:4414:0217:49
17:49
#25493
35K
21.75 mi14:53:195:03:1113:568:27
11:18
#25473
23M
23.00 mi15:09:315:19:2313:5316:12
12:56
#25441
24M
24.00 mi15:22:595:32:5113:5213:28
13:28
#25438
40K
24.85 mi15:34:325:44:2413:5111:33
13:31
#25409
25.2M
25.20 mi15:39:465:49:3813:525:14
15:11
#25401
Finish
26.22 mi15:52:596:02:5113:5113:13
12:58
#25407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25517145621456225430(Top 100%)14527(Top 100%)14527(Top 950%)
10K6.21 mi3.10 mi25521-4145621456225497(Top 100%)14550(Top 100%)14550(Top 952%)
15K9.32 mi3.11 mi25512+914557+514557+525430(Top 100%)14527(Top 100%)14527(Top 950%)
20K12.43 mi3.11 mi25510+214554+314554+325420(Top 99%)14520(Top 100%)14520(Top 950%)
Half13.11 mi0.68 mi25518-814559-514559-525493(Top 100%)14545(Top 100%)14545(Top 951%)
25K15.53 mi2.42 mi25516+214555+414555+425269(Top 99%)14443(Top 99%)14443(Top 945%)
30K18.64 mi3.11 mi25498+1814547+814547+824690(Top 97%)14127(Top 97%)14127(Top 924%)
20M20.00 mi1.36 mi25481+1714543+414543+423731(Top 93%)13572(Top 93%)13572(Top 888%)
21M21.00 mi1.00 mi25493-1214547-414547-425250(Top 99%)14379(Top 99%)14379(Top 940%)
35K21.75 mi0.75 mi25473+2014536+1114536+1120430(Top 80%)11835(Top 81%)11835(Top 774%)
23M23.00 mi1.25 mi25441+3214526+1014526+1022438(Top 88%)12819(Top 88%)12819(Top 838%)
24M24.00 mi1.00 mi25438+314524+214524+223649(Top 93%)13395(Top 92%)13395(Top 876%)
40K24.85 mi0.85 mi25409+2914510+1414510+1423026(Top 90%)13048(Top 90%)13048(Top 853%)
25.2M25.20 mi0.35 mi25401+814506+414506+423211(Top 91%)13152(Top 90%)13152(Top 860%)
Finish26.22 mi1.02 mi25407-614509-314509-324331(Top 95%)13769(Top 94%)13769(Top 901%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

25430

Males

14527

M55-59

14527

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

25497

Males

14550

M55-59

14550

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

25430

Males

14527

M55-59

14527

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

25420

Males

14520

M55-59

14520

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

25493

Males

14545

M55-59

14545

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

25269

Males

14443

M55-59

14443

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

24690

Males

14127

M55-59

14127

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

23731

Males

13572

M55-59

13572

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

25250

Males

14379

M55-59

14379

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

20430

Males

11835

M55-59

11835

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

22438

Males

12819

M55-59

12819

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

23649

Males

13395

M55-59

13395

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23026

Males

13048

M55-59

13048

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23211

Males

13152

M55-59

13152

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

24331

Males

13769

M55-59

13769

Passing Analysis

Category:
Athletes Passed
199
Passed By
89
Net Change
+110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25517
5K → 10K1115-4#25517#25521
10K → 15K123+9#25521#25512
15K → 20K1311+2#25512#25510
20K → Half08-8#25510#25518
Half → 25K64+2#25518#25516
25K → 30K180+18#25516#25498
30K → 20M192+17#25498#25481
20M → 21M517-12#25481#25493
21M → 35K200+20#25493#25473
35K → 23M331+32#25473#25441
23M → 24M107+3#25441#25438
24M → 40K323+29#25438#25409
40K → 25.2M113+8#25409#25401
25.2M → Finish915-6#25401#25407
TOTALS19989+110
📊

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