All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Brien O'Loughlin

Bib: 2627•M

WA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 11%
Age Group (M18-39)
#0 / 5723
Top 27%
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
19:22
3.11 mi
Rank: #2268
Start → 5K
19:22 | 6:15/mi
10K
38:33
6.21 mi
Rank: #2212 (+56)
5K → 10K
19:11 | 6:11/mi
15K
57:42
9.32 mi
Rank: #2160 (+52)
10K → 15K
19:09 | 6:10/mi
20K
1:16:51
12.43 mi
Rank: #2084 (+76)
15K → 20K
19:09 | 6:10/mi
HALF
1:20:56
13.11 mi
Rank: #2046 (+38)
20K → HALF
4:05 | 6:00/mi
25K
1:36:01
15.53 mi
Rank: #2004 (+42)
HALF → 25K
15:05 | 6:14/mi
30K
1:55:56
18.64 mi
Rank: #1988 (+16)
25K → 30K
19:55 | 6:25/mi
20M
2:04:40
20.00 mi
Rank: #1974 (+14)
30K → 20M
8:44 | 6:26/mi
21M
2:11:26
21.00 mi
Rank: #1962 (+12)
20M → 21M
6:46 | 6:46/mi
35K
2:16:01
21.75 mi
Rank: #1928 (+34)
21M → 35K
4:35 | 6:08/mi
23M
2:23:58
23.00 mi
Rank: #1891 (+37)
35K → 23M
7:57 | 6:22/mi
24M
2:30:09
24.00 mi
Rank: #1860 (+31)
23M → 24M
6:11 | 6:11/mi
40K
2:35:43
24.85 mi
Rank: #1856 (+4)
24M → 40K
5:34 | 6:31/mi
25.2M
2:38:11
25.20 mi
Rank: #1860 (-4)
40K → 25.2M
2:28 | 7:10/mi
FINISH
2:44:28
26.22 mi
Rank: #1859 (+1)
25.2M → FINISH
6:17 | 6:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:20:56
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:32
Pace6:23 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2319:226:1519:22
6:15
-
10K
6.21 mi10:39:3438:336:1319:11
6:11
-0:04
15K
9.32 mi10:58:4357:426:1219:09
6:10
-0:01
20K
12.43 mi11:17:521:16:516:1219:09
6:10
0:00
HALF
13.11 mi11:21:571:20:566:114:05
6:00
-0:10
25K
15.53 mi11:37:021:36:016:1115:05
6:14
+0:14
30K
18.64 mi11:56:571:55:566:1419:55
6:25
+0:11
20M
20.00 mi12:05:412:04:406:158:44
6:26
+0:01
21M
21.00 mi12:12:272:11:266:166:46
6:46
+0:20
35K
21.75 mi12:17:022:16:016:164:35
6:08
-0:38
23M
23.00 mi12:24:592:23:586:167:57
6:22
+0:14
24M
24.00 mi12:31:102:30:096:166:11
6:11
-0:11
40K
24.85 mi12:36:442:35:436:165:34
6:31
+0:20
25.2M
25.20 mi12:39:122:38:116:172:28
7:10
+0:39
FINISH
26.22 mi12:45:292:44:286:176:17
6:10
-1:00

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

6:00 /mi

Average Pace

6:17 /mi

Slowest Pace

7:10 /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

2:35:14

94% of race

Time at Steady Pace

6:46

4% of race

Time at Slower Pace

2:28

1% of race

Average Pace: 6:16 /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 mi10:20:2319:226:1519:22
6:15
#2268
10K
6.21 mi10:39:3438:336:1319:11
6:11
#2212
15K
9.32 mi10:58:4357:426:1219:09
6:10
#2160
20K
12.43 mi11:17:521:16:516:1219:09
6:10
#2084
HALF
13.11 mi11:21:571:20:566:114:05
6:00
#2046
25K
15.53 mi11:37:021:36:016:1115:05
6:14
#2004
30K
18.64 mi11:56:571:55:566:1419:55
6:25
#1988
20M
20.00 mi12:05:412:04:406:158:44
6:26
#1974
21M
21.00 mi12:12:272:11:266:166:46
6:46
#1962
35K
21.75 mi12:17:022:16:016:164:35
6:08
#1928
23M
23.00 mi12:24:592:23:586:167:57
6:22
#1891
24M
24.00 mi12:31:102:30:096:166:11
6:11
#1860
40K
24.85 mi12:36:442:35:436:165:34
6:31
#1856
25.2M
25.20 mi12:39:122:38:116:172:28
7:10
#1860
FINISH
26.22 mi12:45:292:44:286:176:17
6:10
#1859
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2268218421842108(Top 7%)2032(Top 12%)2032(Top 36%)
10K6.21 mi3.10 mi2212+562134+502134+502135(Top 7%)2058(Top 13%)2058(Top 36%)
15K9.32 mi3.11 mi2160+522084+502084+502108(Top 7%)2032(Top 12%)2032(Top 36%)
20K12.43 mi3.11 mi2084+762011+732011+731844(Top 6%)1778(Top 11%)1778(Top 31%)
HALF13.11 mi0.68 mi2046+381973+381973+381445(Top 5%)1395(Top 9%)1395(Top 24%)
25K15.53 mi2.42 mi2004+421932+411932+411922(Top 7%)1854(Top 11%)1854(Top 32%)
30K18.64 mi3.11 mi1988+161917+151917+152138(Top 7%)2052(Top 13%)2052(Top 36%)
20M20.00 mi1.36 mi1974+141903+141903+142058(Top 7%)1962(Top 12%)1962(Top 34%)
21M21.00 mi1.00 mi1962+121888+151888+152286(Top 8%)2164(Top 13%)2164(Top 38%)
35K21.75 mi0.75 mi1928+341856+321856+321695(Top 6%)1617(Top 10%)1617(Top 28%)
23M23.00 mi1.25 mi1891+371820+361820+361770(Top 6%)1685(Top 10%)1685(Top 29%)
24M24.00 mi1.00 mi1860+311790+301790+301692(Top 6%)1605(Top 10%)1605(Top 28%)
40K24.85 mi0.85 mi1856+41786+41786+42572(Top 9%)2364(Top 14%)2364(Top 41%)
25.2M25.20 mi0.35 mi1860-41790-41790-43258(Top 11%)2883(Top 18%)2883(Top 50%)
FINISH26.22 mi1.02 mi1859+11785+51785+52324(Top 8%)2129(Top 13%)2129(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21
+97ft-345ft

Overall

2108

Males

2032

M18-39

2032

5K→10K

3.1 - 6.2 mi

Top 7%
×5
+79ft-138ft

Overall

2135

Males

2058

M18-39

2058

10K→15K

6.2 - 9.3 mi

Top 7%
×3
+67ft-78ft

Overall

2108

Males

2032

M18-39

2032

15K→20K

9.3 - 12.4 mi

Top 6%
×5
+106ft-86ft

Overall

1844

Males

1778

M18-39

1778

20K→HALF

12.4 - 13.1 mi

Top 5%
×2
+19ft-37ft

Overall

1445

Males

1395

M18-39

1395

HALF→25K

13.1 - 15.5 mi

Top 7%
×4
+66ft-88ft

Overall

1922

Males

1854

M18-39

1854

25K→30K

15.5 - 18.6 mi

Top 7%
×9
+181ft-148ft

Overall

2138

Males

2052

M18-39

2052

30K→20M

18.6 - 20.0 mi

Top 7%
×5
+64ft-50ft

Overall

2058

Males

1962

M18-39

1962

20M→21M

20.0 - 21.0 mi

Top 8%
×8
+106ft-24ft

Overall

2286

Males

2164

M18-39

2164

21M→35K

21.0 - 21.8 mi

Top 6%
×7
+17ft-86ft

Overall

1695

Males

1617

M18-39

1617

35K→23M

21.8 - 23.0 mi

Top 6%
×5
+23ft-63ft

Overall

1770

Males

1685

M18-39

1685

23M→24M

23.0 - 24.0 mi

Top 6%
×6
+12ft-82ft

Overall

1692

Males

1605

M18-39

1605

24M→40K

24.0 - 24.9 mi

Top 9%
×1
+6ft-20ft

Overall

2572

Males

2364

M18-39

2364

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3258

Males

2883

M18-39

2883

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
×2
+22ft-21ft

Overall

2324

Males

2129

M18-39

2129

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
766
Passed By
357
Net Change
+409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2268
5K → 10K12266+56#2268#2212
10K → 15K8937+52#2212#2160
15K → 20K8913+76#2160#2084
20K → HALF380+38#2084#2046
HALF → 25K6422+42#2046#2004
25K → 30K7660+16#2004#1988
30K → 20M4026+14#1988#1974
20M → 21M4028+12#1974#1962
21M → 35K417+34#1962#1928
35K → 23M5316+37#1928#1891
23M → 24M4312+31#1891#1860
24M → 40K2218+4#1860#1856
40K → 25.2M1216-4#1856#1860
25.2M → FINISH3736+1#1860#1859
TOTALS766357+409
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

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

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing