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BOSTON MARATHON 2026

Liam Coffey

Bib: 29071•M

DC

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
24:52
3.11 mi
Rank: #16977
Start → 5K
24:52 | 8:01/mi
10K
49:16
6.21 mi
Rank: #16547 (+430)
5K → 10K
24:24 | 7:52/mi
15K
1:13:47
9.32 mi
Rank: #16396 (+151)
10K → 15K
24:31 | 7:54/mi
20K
1:39:22
12.43 mi
Rank: #16767 (-371)
15K → 20K
25:35 | 8:15/mi
HALF
1:44:59
13.11 mi
Rank: #16865 (-98)
20K → HALF
5:37 | 8:15/mi
25K
2:07:11
15.53 mi
Rank: #17862 (-997)
HALF → 25K
22:12 | 9:10/mi
30K
2:38:59
18.64 mi
Rank: #19383 (-1521)
25K → 30K
31:48 | 10:15/mi
20M
2:54:14
20.00 mi
Rank: #20170 (-787)
30K → 20M
15:15 | 11:14/mi
21M
3:06:28
21.00 mi
Rank: #20710 (-540)
20M → 21M
12:14 | 12:14/mi
35K
3:14:07
21.75 mi
Rank: #20871 (-161)
21M → 35K
7:39 | 10:14/mi
23M
3:27:30
23.00 mi
Rank: #21187 (-316)
35K → 23M
13:23 | 10:42/mi
24M
3:37:13
24.00 mi
Rank: #21256 (-69)
23M → 24M
9:43 | 9:43/mi
40K
3:45:50
24.85 mi
Rank: #21319 (-63)
24M → 40K
8:37 | 10:05/mi
25.2M
3:49:37
25.20 mi
Rank: #21351 (-32)
40K → 25.2M
3:47 | 10:59/mi
FINISH
3:59:38
26.22 mi
Rank: #21503 (-152)
25.2M → FINISH
10:01 | 9:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:59
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time2:14:39
Pace10:17 /mi
📊Positive Split: 28.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1824:528:0124:52
8:01
-
10K
6.21 mi12:13:4249:167:5624:24
7:52
-0:09
15K
9.32 mi12:38:131:13:477:5524:31
7:54
+0:02
20K
12.43 mi13:03:481:39:228:0025:35
8:15
+0:21
HALF
13.11 mi13:09:251:44:598:015:37
8:15
0:00
25K
15.53 mi13:31:372:07:118:1222:12
9:10
+0:55
30K
18.64 mi14:03:252:38:598:3231:48
10:15
+1:05
20M
20.00 mi14:18:402:54:148:4315:15
11:14
+0:59
21M
21.00 mi14:30:543:06:288:5312:14
12:14
+1:00
35K
21.75 mi14:38:333:14:078:567:39
10:14
-2:00
23M
23.00 mi14:51:563:27:309:0213:23
10:42
+0:28
24M
24.00 mi15:01:393:37:139:049:43
9:43
-0:59
40K
24.85 mi15:10:163:45:509:068:37
10:05
+0:22
25.2M
25.20 mi15:14:033:49:379:073:47
10:59
+0:54
FINISH
26.22 mi15:24:043:59:389:0910:01
9:50
-1:09

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

7:52 /mi

Average Pace

9:09 /mi

Slowest Pace

12:14 /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

2:07:11

53% of race

Time at Steady Pace

1:07:48

28% of race

Time at Slower Pace

44:39

19% of race

Average Pace: 9:08 /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 mi11:49:1824:528:0124:52
8:01
#16977
10K
6.21 mi12:13:4249:167:5624:24
7:52
#16547
15K
9.32 mi12:38:131:13:477:5524:31
7:54
#16396
20K
12.43 mi13:03:481:39:228:0025:35
8:15
#16767
HALF
13.11 mi13:09:251:44:598:015:37
8:15
#16865
25K
15.53 mi13:31:372:07:118:1222:12
9:10
#17862
30K
18.64 mi14:03:252:38:598:3231:48
10:15
#19383
20M
20.00 mi14:18:402:54:148:4315:15
11:14
#20170
21M
21.00 mi14:30:543:06:288:5312:14
12:14
#20710
35K
21.75 mi14:38:333:14:078:567:39
10:14
#20871
23M
23.00 mi14:51:563:27:309:0213:23
10:42
#21187
24M
24.00 mi15:01:393:37:139:049:43
9:43
#21256
40K
24.85 mi15:10:163:45:509:068:37
10:05
#21319
25.2M
25.20 mi15:14:033:49:379:073:47
10:59
#21351
FINISH
26.22 mi15:24:043:59:389:0910:01
9:50
#21503
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 mi16977110001100016114(Top 56%)10645(Top 65%)10645(Top 186%)
10K6.21 mi3.10 mi16547+43010817+18310817+18316087(Top 55%)10665(Top 65%)10665(Top 186%)
15K9.32 mi3.11 mi16396+15110746+7110746+7116114(Top 56%)10645(Top 65%)10645(Top 186%)
20K12.43 mi3.11 mi16767-37110903-15710903-15717698(Top 61%)11291(Top 69%)11291(Top 197%)
HALF13.11 mi0.68 mi16865-9810937-3410937-3418625(Top 64%)11723(Top 72%)11723(Top 205%)
25K15.53 mi2.42 mi17862-99711369-43211369-43221823(Top 75%)13146(Top 80%)13146(Top 230%)
30K18.64 mi3.11 mi19383-152111979-61011979-61023703(Top 82%)13939(Top 85%)13939(Top 244%)
20M20.00 mi1.36 mi20170-78712327-34812327-34825301(Top 87%)14595(Top 89%)14595(Top 255%)
21M21.00 mi1.00 mi20710-54012579-25212579-25225382(Top 87%)14586(Top 89%)14586(Top 255%)
35K21.75 mi0.75 mi20871-16112647-6812647-6823692(Top 82%)13780(Top 84%)13780(Top 241%)
23M23.00 mi1.25 mi21187-31612791-14412791-14423812(Top 82%)13780(Top 84%)13780(Top 241%)
24M24.00 mi1.00 mi21256-6912810-1912810-1922014(Top 76%)12880(Top 79%)12880(Top 225%)
40K24.85 mi0.85 mi21319-6312829-1912829-1922131(Top 76%)12881(Top 79%)12881(Top 225%)
25.2M25.20 mi0.35 mi21351-3212840-1112840-1122277(Top 77%)12971(Top 79%)12971(Top 227%)
FINISH26.22 mi1.02 mi21503-15212911-7112911-7123348(Top 80%)13478(Top 82%)13478(Top 236%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16114

Males

10645

M18-39

10645

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16087

Males

10665

M18-39

10665

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16114

Males

10645

M18-39

10645

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17698

Males

11291

M18-39

11291

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18625

Males

11723

M18-39

11723

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21823

Males

13146

M18-39

13146

25K→30K

15.5 - 18.6 mi

Top 82%
×9
+181ft-148ft

Overall

23703

Males

13939

M18-39

13939

30K→20M

18.6 - 20.0 mi

Top 87%
×5
+64ft-50ft

Overall

25301

Males

14595

M18-39

14595

20M→21M

20.0 - 21.0 mi

Top 87%
×8
+106ft-24ft

Overall

25382

Males

14586

M18-39

14586

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23692

Males

13780

M18-39

13780

35K→23M

21.8 - 23.0 mi

Top 82%
×5
+23ft-63ft

Overall

23812

Males

13780

M18-39

13780

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22014

Males

12880

M18-39

12880

24M→40K

24.0 - 24.9 mi

Top 76%
×1
+6ft-20ft

Overall

22131

Males

12881

M18-39

12881

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1
+13ft-16ft

Overall

22277

Males

12971

M18-39

12971

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23348

Males

13478

M18-39

13478

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1144*
Passed By
2166
Net Change
-4526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16977
5K → 10K565*135+430#16977#16547
10K → 15K271*120+151#16547#16396
15K → 20K90200-371#16396#16767
20K → HALF14112-98#16767#16865
HALF → 25K11200-997#16865#17862
25K → 30K28200-1521#17862#19383
30K → 20M11200-787#19383#20170
20M → 21M12200-540#20170#20710
21M → 35K19180-161#20710#20871
35K → 23M20200-316#20871#21187
23M → 24M39108-69#21187#21256
24M → 40K3194-63#21256#21319
40K → 25.2M1749-32#21319#21351
25.2M → FINISH16168-152#21351#21503
TOTALS1144*2166-4526

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing