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BOSTON MARATHON 2024

Iain Boyer

Bib: 27989•M

CT

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
29:42
Rank: #21894
Start → 5K
9:34/mi
29:42 split
10K· 6.21 mi
57:32
Rank: #20856 (+1038)
5K → 10K
8:58/mi
27:50 split
15K· 9.32 mi
1:26:16
Rank: #20497 (+359)
10K → 15K
9:15/mi
28:44 split
20K· 12.43 mi
1:55:28
Rank: #20079 (+418)
15K → 20K
9:24/mi
29:12 split
Half· 13.11 mi
2:02:02
Rank: #20103 (-24)
20K → Half
9:37/mi
6:34 split
25K· 15.53 mi
2:26:01
Rank: #19855 (+248)
Half → 25K
9:54/mi
23:59 split
30K· 18.64 mi
2:58:16
Rank: #19554 (+301)
25K → 30K
10:23/mi
32:15 split
20M
3:12:42
Rank: #19447 (+107)
30K → 20M
10:37/mi
14:26 split
21M
3:23:57
Rank: #19285 (+162)
20M → 21M
11:15/mi
11:15 split
35K· 21.75 mi
3:31:40
Rank: #19220 (+65)
21M → 35K
10:19/mi
7:43 split
23M
3:45:22
Rank: #19129 (+91)
35K → 23M
10:57/mi
13:42 split
24M
3:55:45
Rank: #19033 (+96)
23M → 24M
10:23/mi
10:23 split
40K· 24.85 mi
4:04:52
Rank: #18938 (+95)
24M → 40K
10:40/mi
9:07 split
25.2M
4:08:56
Rank: #18905 (+33)
40K → 25.2M
11:48/mi
4:04 split
Finish· 26.22 mi
4:19:36
Rank: #18920 (-15)
25.2M → Finish
10:28/mi
10:40 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:02
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:17:34
Pace10:30 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0629:429:3429:42
9:34
-
10K
6.21 mi12:15:5657:329:1627:50
8:58
-0:36
15K
9.32 mi12:44:401:26:169:1528:44
9:15
+0:17
20K
12.43 mi13:13:521:55:289:1729:12
9:24
+0:09
Half
13.11 mi13:20:262:02:029:196:34
9:37
+0:13
25K
15.53 mi13:44:252:26:019:2423:59
9:54
+0:17
30K
18.64 mi14:16:402:58:169:3432:15
10:23
+0:29
20M
20.00 mi14:31:063:12:429:3814:26
10:37
+0:14
21M
21.00 mi14:42:213:23:579:4311:15
11:15
+0:38
35K
21.75 mi14:50:043:31:409:447:43
10:19
-0:56
23M
23.00 mi15:03:463:45:229:4813:42
10:57
+0:38
24M
24.00 mi15:14:093:55:459:4910:23
10:23
-0:34
40K
24.85 mi15:23:164:04:529:519:07
10:40
+0:17
25.2M
25.20 mi15:27:204:08:569:534:04
11:48
+1:08
Finish
26.22 mi15:38:004:19:369:5510:40
10:28
-1:20

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

8:58 /mi

Average Pace

9:55 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:01

56% of race

Time at Steady Pace

1:24:34

33% of race

Time at Slower Pace

29:01

11% of race

Average Pace: 9:54 /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 mi11:48:0629:429:3429:42
9:34
#21894
10K
6.21 mi12:15:5657:329:1627:50
8:58
#20856
15K
9.32 mi12:44:401:26:169:1528:44
9:15
#20497
20K
12.43 mi13:13:521:55:289:1729:12
9:24
#20079
Half
13.11 mi13:20:262:02:029:196:34
9:37
#20103
25K
15.53 mi13:44:252:26:019:2423:59
9:54
#19855
30K
18.64 mi14:16:402:58:169:3432:15
10:23
#19554
20M
20.00 mi14:31:063:12:429:3814:26
10:37
#19447
21M
21.00 mi14:42:213:23:579:4311:15
11:15
#19285
35K
21.75 mi14:50:043:31:409:447:43
10:19
#19220
23M
23.00 mi15:03:463:45:229:4813:42
10:57
#19129
24M
24.00 mi15:14:093:55:459:4910:23
10:23
#19033
40K
24.85 mi15:23:164:04:529:519:07
10:40
#18938
25.2M
25.20 mi15:27:204:08:569:534:04
11:48
#18905
Finish
26.22 mi15:38:004:19:369:5510:40
10:28
#18920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21894129861298619869(Top 78%)12117(Top 83%)12117(Top 792%)
10K6.21 mi3.10 mi20856+103812497+48912497+48919577(Top 77%)11930(Top 82%)11930(Top 780%)
15K9.32 mi3.11 mi20497+35912367+13012367+13019869(Top 78%)12117(Top 83%)12117(Top 792%)
20K12.43 mi3.11 mi20079+41812171+19612171+19618865(Top 74%)11621(Top 80%)11621(Top 760%)
Half13.11 mi0.68 mi20103-2412181-1012181-1020420(Top 80%)12265(Top 84%)12265(Top 802%)
25K15.53 mi2.42 mi19855+24812051+13012051+13018818(Top 74%)11492(Top 79%)11492(Top 752%)
30K18.64 mi3.11 mi19554+30111848+20311848+20318471(Top 72%)11144(Top 76%)11144(Top 729%)
20M20.00 mi1.36 mi19447+10711764+8411764+8418325(Top 72%)10914(Top 75%)10914(Top 714%)
21M21.00 mi1.00 mi19285+16211661+10311661+10316997(Top 67%)10111(Top 69%)10111(Top 661%)
35K21.75 mi0.75 mi19220+6511622+3911622+3918062(Top 71%)10652(Top 73%)10652(Top 697%)
23M23.00 mi1.25 mi19129+9111560+6211560+6218255(Top 71%)10692(Top 73%)10692(Top 699%)
24M24.00 mi1.00 mi19033+9611495+6511495+6517517(Top 69%)10267(Top 70%)10267(Top 671%)
40K24.85 mi0.85 mi18938+9511426+6911426+6917163(Top 67%)10025(Top 69%)10025(Top 656%)
25.2M25.20 mi0.35 mi18905+3311412+1411412+1416807(Top 66%)9844(Top 68%)9844(Top 644%)
Finish26.22 mi1.02 mi18920-1511398+1411398+1419905(Top 78%)11434(Top 78%)11434(Top 748%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

19869

Males

12117

M55-59

12117

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19577

Males

11930

M55-59

11930

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

19869

Males

12117

M55-59

12117

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

18865

Males

11621

M55-59

11621

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

20420

Males

12265

M55-59

12265

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18818

Males

11492

M55-59

11492

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

18471

Males

11144

M55-59

11144

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

18325

Males

10914

M55-59

10914

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

16997

Males

10111

M55-59

10111

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18062

Males

10652

M55-59

10652

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18255

Males

10692

M55-59

10692

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

17517

Males

10267

M55-59

10267

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17163

Males

10025

M55-59

10025

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

16807

Males

9844

M55-59

9844

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

19905

Males

11434

M55-59

11434

Passing Analysis

Category:
Athletes Passed
3502
Passed By
528
Net Change
+2974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21894
5K → 10K10457+1038#21894#20856
10K → 15K42566+359#20856#20497
15K → 20K45335+418#20497#20079
20K → Half2953-24#20079#20103
Half → 25K30254+248#20103#19855
25K → 30K35958+301#19855#19554
30K → 20M14033+107#19554#19447
20M → 21M18321+162#19447#19285
21M → 35K8419+65#19285#19220
35K → 23M14150+91#19220#19129
23M → 24M11620+96#19129#19033
24M → 40K12126+95#19033#18938
40K → 25.2M4512+33#18938#18905
25.2M → Finish5974-15#18905#18920
TOTALS3502528+2974
📊

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