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BOSTON MARATHON 2024

Brian Cahoon

Bib: 27585•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:59
Rank: #18763
Start → 5K
8:41/mi
26:59 split
10K· 6.21 mi
52:21
Rank: #17056 (+1707)
5K → 10K
8:10/mi
25:22 split
15K· 9.32 mi
1:17:53
Rank: #16254 (+802)
10K → 15K
8:13/mi
25:32 split
20K· 12.43 mi
1:44:13
Rank: #15753 (+501)
15K → 20K
8:29/mi
26:20 split
Half· 13.11 mi
1:49:57
Rank: #15735 (+18)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:10:48
Rank: #15312 (+423)
Half → 25K
8:36/mi
20:51 split
30K· 18.64 mi
2:39:02
Rank: #14976 (+336)
25K → 30K
9:05/mi
28:14 split
20M
2:51:08
Rank: #14705 (+271)
30K → 20M
8:54/mi
12:06 split
21M
3:00:40
Rank: #14462 (+243)
20M → 21M
9:32/mi
9:32 split
35K· 21.75 mi
3:06:59
Rank: #14275 (+187)
21M → 35K
8:27/mi
6:19 split
23M
3:18:16
Rank: #14070 (+205)
35K → 23M
9:01/mi
11:17 split
24M
3:27:02
Rank: #13900 (+170)
23M → 24M
8:46/mi
8:46 split
40K· 24.85 mi
3:34:43
Rank: #13751 (+149)
24M → 40K
8:59/mi
7:41 split
25.2M
3:38:13
Rank: #13687 (+64)
40K → 25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
3:47:07
Rank: #13608 (+79)
25.2M → Finish
8:44/mi
8:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:57
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4926:598:4126:59
8:41
-
10K
6.21 mi12:11:1152:218:2525:22
8:10
-0:31
15K
9.32 mi12:36:431:17:538:2125:32
8:13
+0:03
20K
12.43 mi13:03:031:44:138:2326:20
8:29
+0:16
Half
13.11 mi13:08:471:49:578:235:44
8:24
-0:05
25K
15.53 mi13:29:382:10:488:2520:51
8:36
+0:12
30K
18.64 mi13:57:522:39:028:3228:14
9:05
+0:29
20M
20.00 mi14:09:582:51:088:3312:06
8:54
-0:11
21M
21.00 mi14:19:303:00:408:369:32
9:32
+0:38
35K
21.75 mi14:25:493:06:598:366:19
8:27
-1:05
23M
23.00 mi14:37:063:18:168:3711:17
9:01
+0:34
24M
24.00 mi14:45:523:27:028:388:46
8:46
-0:15
40K
24.85 mi14:53:333:34:438:387:41
8:59
+0:13
25.2M
25.20 mi14:57:033:38:138:403:30
10:09
+1:10
Finish
26.22 mi15:05:573:47:078:408:54
8:44
-1:25

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

8:10 /mi

Average Pace

8:40 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:17

39% of race

Time at Steady Pace

1:17:36

34% of race

Time at Slower Pace

1:00:14

27% of race

Average Pace: 8:40 /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 mi11:45:4926:598:4126:59
8:41
#18763
10K
6.21 mi12:11:1152:218:2525:22
8:10
#17056
15K
9.32 mi12:36:431:17:538:2125:32
8:13
#16254
20K
12.43 mi13:03:031:44:138:2326:20
8:29
#15753
Half
13.11 mi13:08:471:49:578:235:44
8:24
#15735
25K
15.53 mi13:29:382:10:488:2520:51
8:36
#15312
30K
18.64 mi13:57:522:39:028:3228:14
9:05
#14976
20M
20.00 mi14:09:582:51:088:3312:06
8:54
#14705
21M
21.00 mi14:19:303:00:408:369:32
9:32
#14462
35K
21.75 mi14:25:493:06:598:366:19
8:27
#14275
23M
23.00 mi14:37:063:18:168:3711:17
9:01
#14070
24M
24.00 mi14:45:523:27:028:388:46
8:46
#13900
40K
24.85 mi14:53:333:34:438:387:41
8:59
#13751
25.2M
25.20 mi14:57:033:38:138:403:30
10:09
#13687
Finish
26.22 mi15:05:573:47:078:408:54
8:44
#13608
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18763115121151214809(Top 58%)9921(Top 68%)9921(Top 447%)
10K6.21 mi3.10 mi17056+170710832+68010832+68015299(Top 60%)10158(Top 70%)10158(Top 458%)
15K9.32 mi3.11 mi16254+80210511+32110511+32114809(Top 58%)9921(Top 68%)9921(Top 447%)
20K12.43 mi3.11 mi15753+50110294+21710294+21714662(Top 57%)9820(Top 67%)9820(Top 443%)
Half13.11 mi0.68 mi15735+1810281+1310281+1315127(Top 59%)9966(Top 68%)9966(Top 449%)
25K15.53 mi2.42 mi15312+42310086+19510086+19513573(Top 53%)9177(Top 63%)9177(Top 414%)
30K18.64 mi3.11 mi14976+3369874+2129874+21213645(Top 53%)8975(Top 62%)8975(Top 405%)
20M20.00 mi1.36 mi14705+2719724+1509724+15011626(Top 46%)7778(Top 53%)7778(Top 351%)
21M21.00 mi1.00 mi14462+2439574+1509574+15010979(Top 43%)7220(Top 50%)7220(Top 326%)
35K21.75 mi0.75 mi14275+1879468+1069468+10610390(Top 41%)6938(Top 48%)6938(Top 313%)
23M23.00 mi1.25 mi14070+2059318+1509318+15011227(Top 44%)7190(Top 49%)7190(Top 324%)
24M24.00 mi1.00 mi13900+1709198+1209198+12010943(Top 43%)7024(Top 48%)7024(Top 317%)
40K24.85 mi0.85 mi13751+1499088+1109088+11010807(Top 42%)6812(Top 47%)6812(Top 307%)
25.2M25.20 mi0.35 mi13687+649035+539035+5311511(Top 45%)7151(Top 49%)7151(Top 322%)
Finish26.22 mi1.02 mi13608+798975+608975+6012811(Top 50%)7913(Top 54%)7913(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14809

Males

9921

M45-49

9921

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15299

Males

10158

M45-49

10158

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14809

Males

9921

M45-49

9921

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14662

Males

9820

M45-49

9820

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15127

Males

9966

M45-49

9966

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13573

Males

9177

M45-49

9177

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

13645

Males

8975

M45-49

8975

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11626

Males

7778

M45-49

7778

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10979

Males

7220

M45-49

7220

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10390

Males

6938

M45-49

6938

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11227

Males

7190

M45-49

7190

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

10943

Males

7024

M45-49

7024

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10807

Males

6812

M45-49

6812

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11511

Males

7151

M45-49

7151

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12811

Males

7913

M45-49

7913

Passing Analysis

Category:
Athletes Passed
5546
Passed By
391
Net Change
+5155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18763
5K → 10K17136+1707#18763#17056
10K → 15K81917+802#17056#16254
15K → 20K53635+501#16254#15753
20K → Half4224+18#15753#15735
Half → 25K45532+423#15735#15312
25K → 30K436100+336#15312#14976
30K → 20M29120+271#14976#14705
20M → 21M26623+243#14705#14462
21M → 35K19811+187#14462#14275
35K → 23M23227+205#14275#14070
23M → 24M19020+170#14070#13900
24M → 40K16819+149#13900#13751
40K → 25.2M8218+64#13751#13687
25.2M → Finish11839+79#13687#13608
TOTALS5546391+5155
📊

Passing Visuals

Category:
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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