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BOSTON MARATHON 2024

Sean O'Brien

Bib: 26936•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:05
Rank: #21302
Start → 5K
29:05 | 9:22/mi
10K· 6.21 mi
56:38
Rank: #20315 (+987)
5K → 10K
27:33 | 8:52/mi
15K· 9.32 mi
1:23:41
Rank: #19467 (+848)
10K → 15K
27:03 | 8:42/mi
20K· 12.43 mi
1:51:49
Rank: #18950 (+517)
15K → 20K
28:08 | 9:03/mi
Half· 13.11 mi
1:57:57
Rank: #18905 (+45)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:19:55
Rank: #18331 (+574)
Half → 25K
21:58 | 9:04/mi
30K· 18.64 mi
2:50:21
Rank: #17997 (+334)
25K → 30K
30:26 | 9:48/mi
20M
3:04:16
Rank: #17950 (+47)
30K → 20M
13:55 | 10:14/mi
21M
3:16:05
Rank: #18005 (-55)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:23:10
Rank: #17895 (+110)
21M → 35K
7:05 | 9:28/mi
23M
3:36:47
Rank: #17888 (+7)
35K → 23M
13:37 | 10:53/mi
24M
3:47:50
Rank: #17957 (-69)
23M → 24M
11:03 | 11:03/mi
40K· 24.85 mi
3:57:36
Rank: #18006 (-49)
24M → 40K
9:46 | 11:25/mi
25.2M
4:02:17
Rank: #18062 (-56)
40K → 25.2M
4:41 | 13:35/mi
Finish· 26.22 mi
4:12:20
Rank: #18008 (+54)
25.2M → Finish
10:03 | 9:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:57
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:14:23
Pace10:15 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3029:059:2229:05
9:22
-
10K
6.21 mi12:13:0356:389:0727:33
8:52
-0:30
15K
9.32 mi12:40:061:23:418:5927:03
8:42
-0:10
20K
12.43 mi13:08:141:51:499:0028:08
9:03
+0:21
Half
13.11 mi13:14:221:57:579:006:08
8:59
-0:04
25K
15.53 mi13:36:202:19:559:0021:58
9:04
+0:05
30K
18.64 mi14:06:462:50:219:0830:26
9:48
+0:44
20M
20.00 mi14:20:413:04:169:1313:55
10:14
+0:26
21M
21.00 mi14:32:303:16:059:2011:49
11:49
+1:35
35K
21.75 mi14:39:353:23:109:217:05
9:28
-2:21
23M
23.00 mi14:53:123:36:479:2613:37
10:53
+1:25
24M
24.00 mi15:04:153:47:509:3011:03
11:03
+0:10
40K
24.85 mi15:14:013:57:369:349:46
11:25
+0:22
25.2M
25.20 mi15:18:424:02:179:374:41
13:35
+2:10
Finish
26.22 mi15:28:454:12:209:3810:03
9:52
-3:43

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

8:42 /mi

Average Pace

9:38 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:50

44% of race

Time at Steady Pace

1:30:34

36% of race

Time at Slower Pace

50:56

20% of race

Average Pace: 9:37 /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 mi11:45:3029:059:2229:05
9:22
#21302
10K
6.21 mi12:13:0356:389:0727:33
8:52
#20315
15K
9.32 mi12:40:061:23:418:5927:03
8:42
#19467
20K
12.43 mi13:08:141:51:499:0028:08
9:03
#18950
Half
13.11 mi13:14:221:57:579:006:08
8:59
#18905
25K
15.53 mi13:36:202:19:559:0021:58
9:04
#18331
30K
18.64 mi14:06:462:50:219:0830:26
9:48
#17997
20M
20.00 mi14:20:413:04:169:1313:55
10:14
#17950
21M
21.00 mi14:32:303:16:059:2011:49
11:49
#18005
35K
21.75 mi14:39:353:23:109:217:05
9:28
#17895
23M
23.00 mi14:53:123:36:479:2613:37
10:53
#17888
24M
24.00 mi15:04:153:47:509:3011:03
11:03
#17957
40K
24.85 mi15:14:013:57:369:349:46
11:25
#18006
25.2M
25.20 mi15:18:424:02:179:374:41
13:35
#18062
Finish
26.22 mi15:28:454:12:209:3810:03
9:52
#18008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21302126881268817520(Top 69%)11042(Top 76%)11042(Top 228%)
10K6.21 mi3.10 mi20315+98712247+44112247+44119177(Top 75%)11748(Top 81%)11748(Top 242%)
15K9.32 mi3.11 mi19467+84811867+38011867+38017520(Top 69%)11042(Top 76%)11042(Top 228%)
20K12.43 mi3.11 mi18950+51711649+21811649+21817563(Top 69%)11063(Top 76%)11063(Top 228%)
Half13.11 mi0.68 mi18905+4511624+2511624+2518181(Top 71%)11257(Top 77%)11257(Top 232%)
25K15.53 mi2.42 mi18331+57411339+28511339+28515764(Top 62%)10147(Top 70%)10147(Top 209%)
30K18.64 mi3.11 mi17997+33411127+21211127+21216624(Top 65%)10281(Top 71%)10281(Top 212%)
20M20.00 mi1.36 mi17950+4711075+5211075+5217229(Top 67%)10360(Top 71%)10360(Top 214%)
21M21.00 mi1.00 mi18005-5511076-111076-118384(Top 72%)10822(Top 74%)10822(Top 223%)
35K21.75 mi0.75 mi17895+11010997+7910997+7915376(Top 60%)9326(Top 64%)9326(Top 192%)
23M23.00 mi1.25 mi17888+710976+2110976+2118057(Top 71%)10579(Top 73%)10579(Top 218%)
24M24.00 mi1.00 mi17957-6910988-1210988-1219351(Top 76%)11185(Top 77%)11185(Top 231%)
40K24.85 mi0.85 mi18006-4910982+610982+619136(Top 75%)11010(Top 76%)11010(Top 227%)
25.2M25.20 mi0.35 mi18062-5610994-1210994-1220844(Top 82%)11871(Top 81%)11871(Top 245%)
Finish26.22 mi1.02 mi18008+5410944+5010944+5017915(Top 70%)10413(Top 71%)10413(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

17520

Males

11042

M18-39

11042

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19177

Males

11748

M18-39

11748

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

17520

Males

11042

M18-39

11042

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

17563

Males

11063

M18-39

11063

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18181

Males

11257

M18-39

11257

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

15764

Males

10147

M18-39

10147

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

16624

Males

10281

M18-39

10281

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17229

Males

10360

M18-39

10360

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

18384

Males

10822

M18-39

10822

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15376

Males

9326

M18-39

9326

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18057

Males

10579

M18-39

10579

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

19351

Males

11185

M18-39

11185

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19136

Males

11010

M18-39

11010

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20844

Males

11871

M18-39

11871

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

17915

Males

10413

M18-39

10413

Passing Analysis

Category:
Athletes Passed
4143
Passed By
849
Net Change
+3294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21302
5K → 10K100619+987#21302#20315
10K → 15K8546+848#20315#19467
15K → 20K55639+517#19467#18950
20K → Half6318+45#18950#18905
Half → 25K58612+574#18905#18331
25K → 30K42389+334#18331#17997
30K → 20M13992+47#17997#17950
20M → 21M76131-55#17950#18005
21M → 35K12616+110#18005#17895
35K → 23M10194+7#17895#17888
23M → 24M51120-69#17888#17957
24M → 40K4998-49#17957#18006
40K → 25.2M1874-56#18006#18062
25.2M → Finish9541+54#18062#18008
TOTALS4143849+3294
📊

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