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BOSTON MARATHON 2026

Bobby Earle O'Brien

Bib: 20630•M

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 47%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:04
3.11 mi
Rank: #19447
Start → 5K
26:04 | 8:24/mi
10K
51:32
6.21 mi
Rank: #18973 (+474)
5K → 10K
25:28 | 8:12/mi
15K
1:17:40
9.32 mi
Rank: #19188 (-215)
10K → 15K
26:08 | 8:25/mi
20K
1:43:35
12.43 mi
Rank: #18973 (+215)
15K → 20K
25:55 | 8:21/mi
HALF
1:49:21
13.11 mi
Rank: #19034 (-61)
20K → HALF
5:46 | 8:28/mi
25K
2:09:29
15.53 mi
Rank: #18742 (+292)
HALF → 25K
20:08 | 8:19/mi
30K
2:35:17
18.64 mi
Rank: #18216 (+526)
25K → 30K
25:48 | 8:19/mi
20M
2:47:17
20.00 mi
Rank: #18186 (+30)
30K → 20M
12:00 | 8:51/mi
21M
2:56:28
21.00 mi
Rank: #18088 (+98)
20M → 21M
9:11 | 9:11/mi
35K
3:02:36
21.75 mi
Rank: #18006 (+82)
21M → 35K
6:08 | 8:12/mi
23M
3:13:55
23.00 mi
Rank: #18033 (-27)
35K → 23M
11:19 | 9:03/mi
24M
3:23:02
24.00 mi
Rank: #18139 (-106)
23M → 24M
9:07 | 9:07/mi
40K
3:31:52
24.85 mi
Rank: #18408 (-269)
24M → 40K
8:50 | 10:20/mi
25.2M
3:35:53
25.20 mi
Rank: #18565 (-157)
40K → 25.2M
4:01 | 11:39/mi
FINISH
3:46:12
26.22 mi
Rank: #18895 (-330)
25.2M → FINISH
10:19 | 10:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:21
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:0526:048:2426:04
8:24
-
10K
6.21 mi11:36:3351:328:1825:28
8:12
-0:12
15K
9.32 mi12:02:411:17:408:2026:08
8:25
+0:13
20K
12.43 mi12:28:361:43:358:2125:55
8:21
-0:04
HALF
13.11 mi12:34:221:49:218:215:46
8:28
+0:07
25K
15.53 mi12:54:302:09:298:2120:08
8:19
-0:09
30K
18.64 mi13:20:182:35:178:2025:48
8:19
0:00
20M
20.00 mi13:32:182:47:178:2212:00
8:51
+0:32
21M
21.00 mi13:41:292:56:288:259:11
9:11
+0:20
35K
21.75 mi13:47:373:02:368:246:08
8:12
-0:59
23M
23.00 mi13:58:563:13:558:2611:19
9:03
+0:51
24M
24.00 mi14:08:033:23:028:289:07
9:07
+0:04
40K
24.85 mi14:16:533:31:528:328:50
10:20
+1:13
25.2M
25.20 mi14:20:543:35:538:354:01
11:39
+1:19
FINISH
26.22 mi14:31:133:46:128:3910:19
10:08
-1:31

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:12 /mi

Average Pace

8:38 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:53:25

77% of race

Time at Slower Pace

52:47

23% of race

Average Pace: 8:38 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:0526:048:2426:04
8:24
#19447
10K
6.21 mi11:36:3351:328:1825:28
8:12
#18973
15K
9.32 mi12:02:411:17:408:2026:08
8:25
#19188
20K
12.43 mi12:28:361:43:358:2125:55
8:21
#18973
HALF
13.11 mi12:34:221:49:218:215:46
8:28
#19034
25K
15.53 mi12:54:302:09:298:2120:08
8:19
#18742
30K
18.64 mi13:20:182:35:178:2025:48
8:19
#18216
20M
20.00 mi13:32:182:47:178:2212:00
8:51
#18186
21M
21.00 mi13:41:292:56:288:259:11
9:11
#18088
35K
21.75 mi13:47:373:02:368:246:08
8:12
#18006
23M
23.00 mi13:58:563:13:558:2611:19
9:03
#18033
24M
24.00 mi14:08:033:23:028:289:07
9:07
#18139
40K
24.85 mi14:16:533:31:528:328:50
10:20
#18408
25.2M
25.20 mi14:20:543:35:538:354:01
11:39
#18565
FINISH
26.22 mi14:31:133:46:128:3910:19
10:08
#18895
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19447120281202819622(Top 68%)12154(Top 74%)12154(Top 803%)
10K6.21 mi3.10 mi18973+47411840+18811840+18818551(Top 64%)11700(Top 72%)11700(Top 773%)
15K9.32 mi3.11 mi19188-21511950-11011950-11019622(Top 68%)12154(Top 74%)12154(Top 803%)
20K12.43 mi3.11 mi18973+21511844+10611844+10618355(Top 63%)11560(Top 71%)11560(Top 764%)
HALF13.11 mi0.68 mi19034-6111873-2911873-2919960(Top 69%)12301(Top 75%)12301(Top 812%)
25K15.53 mi2.42 mi18742+29211744+12911744+12917434(Top 60%)11119(Top 68%)11119(Top 734%)
30K18.64 mi3.11 mi18216+52611478+26611478+26615644(Top 54%)10260(Top 63%)10260(Top 678%)
20M20.00 mi1.36 mi18186+3011441+3711441+3718129(Top 62%)11234(Top 69%)11234(Top 742%)
21M21.00 mi1.00 mi18088+9811376+6511376+6517065(Top 59%)10719(Top 66%)10719(Top 708%)
35K21.75 mi0.75 mi18006+8211334+4211334+4215790(Top 54%)10115(Top 62%)10115(Top 668%)
23M23.00 mi1.25 mi18033-2711323+1111323+1118686(Top 64%)11303(Top 69%)11303(Top 747%)
24M24.00 mi1.00 mi18139-10611351-2811351-2819928(Top 69%)11834(Top 72%)11834(Top 782%)
40K24.85 mi0.85 mi18408-26911462-11111462-11122780(Top 78%)13194(Top 81%)13194(Top 871%)
25.2M25.20 mi0.35 mi18565-15711521-5911521-5923761(Top 82%)13645(Top 84%)13645(Top 901%)
FINISH26.22 mi1.02 mi18895-33011650-12911650-12924153(Top 83%)13872(Top 85%)13872(Top 916%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19622

Males

12154

M60-64

12154

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18551

Males

11700

M60-64

11700

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19622

Males

12154

M60-64

12154

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18355

Males

11560

M60-64

11560

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19960

Males

12301

M60-64

12301

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17434

Males

11119

M60-64

11119

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15644

Males

10260

M60-64

10260

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18129

Males

11234

M60-64

11234

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17065

Males

10719

M60-64

10719

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15790

Males

10115

M60-64

10115

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18686

Males

11303

M60-64

11303

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

19928

Males

11834

M60-64

11834

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22780

Males

13194

M60-64

13194

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23761

Males

13645

M60-64

13645

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

24153

Males

13872

M60-64

13872

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2305
Passed By
1753
Net Change
+552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19447
5K → 10K583109+474#19447#18973
10K → 15K100315-215#18973#19188
15K → 20K26247+215#19188#18973
20K → HALF1778-61#18973#19034
HALF → 25K31321+292#19034#18742
25K → 30K5293+526#18742#18216
30K → 20M11585+30#18216#18186
20M → 21M13436+98#18186#18088
21M → 35K908+82#18088#18006
35K → 23M90117-27#18006#18033
23M → 24M44150-106#18033#18139
24M → 40K9278-269#18139#18408
40K → 25.2M11168-157#18408#18565
25.2M → FINISH8338-330#18565#18895
TOTALS23051753+552
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing