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BOSTON MARATHON 2025

Liam Maclellan

Bib: 3985•M

BC

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0:00
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Age Group (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken 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· 3.11 mi
20:22
Rank: #4251
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:48
Rank: #4243 (+8)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:21
Rank: #4267 (-24)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:21:50
Rank: #4043 (+224)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:26:20
Rank: #4045 (-2)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:42:28
Rank: #3969 (+76)
Half → 25K
16:08 | 6:39/mi
30K· 18.64 mi
2:03:41
Rank: #3859 (+110)
25K → 30K
21:13 | 6:50/mi
20M
2:12:58
Rank: #3756 (+103)
30K → 20M
9:17 | 6:50/mi
21M
2:20:08
Rank: #3688 (+68)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:25:11
Rank: #3670 (+18)
21M → 35K
5:03 | 6:45/mi
23M
2:33:43
Rank: #3582 (+88)
35K → 23M
8:32 | 6:49/mi
24M
2:40:19
Rank: #3464 (+118)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:46:07
Rank: #3408 (+56)
24M → 40K
5:48 | 6:47/mi
25.2M
2:48:39
Rank: #3381 (+27)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:55:25
Rank: #3341 (+40)
25.2M → Finish
6:46 | 6:38/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:26:20
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2920:226:3320:22
6:33
-
10K
6.21 mi10:42:5540:486:3420:26
6:35
+0:02
15K
9.32 mi11:03:281:01:216:3520:33
6:37
+0:02
20K
12.43 mi11:23:571:21:506:3520:29
6:36
-0:01
Half
13.11 mi11:28:271:26:206:354:30
6:36
0:00
25K
15.53 mi11:44:351:42:286:3616:08
6:39
+0:03
30K
18.64 mi12:05:482:03:416:3821:13
6:50
+0:11
20M
20.00 mi12:15:052:12:586:399:17
6:50
0:00
21M
21.00 mi12:22:152:20:086:407:10
7:10
+0:20
35K
21.75 mi12:27:182:25:116:415:03
6:45
-0:25
23M
23.00 mi12:35:502:33:436:418:32
6:49
+0:04
24M
24.00 mi12:42:262:40:196:416:36
6:36
-0:13
40K
24.85 mi12:48:142:46:076:415:48
6:47
+0:11
25.2M
25.20 mi12:50:462:48:396:422:32
7:21
+0:34
Finish
26.22 mi12:57:322:55:256:426:46
6:38
-0:43

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

6:33 /mi

Average Pace

6:42 /mi

Slowest Pace

7:21 /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

2:52:53

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:22:2920:226:3320:22
6:33
#4251
10K
6.21 mi10:42:5540:486:3420:26
6:35
#4243
15K
9.32 mi11:03:281:01:216:3520:33
6:37
#4267
20K
12.43 mi11:23:571:21:506:3520:29
6:36
#4043
Half
13.11 mi11:28:271:26:206:354:30
6:36
#4045
25K
15.53 mi11:44:351:42:286:3616:08
6:39
#3969
30K
18.64 mi12:05:482:03:416:3821:13
6:50
#3859
20M
20.00 mi12:15:052:12:586:399:17
6:50
#3756
21M
21.00 mi12:22:152:20:086:407:10
7:10
#3688
35K
21.75 mi12:27:182:25:116:415:03
6:45
#3670
23M
23.00 mi12:35:502:33:436:418:32
6:49
#3582
24M
24.00 mi12:42:262:40:196:416:36
6:36
#3464
40K
24.85 mi12:48:142:46:076:415:48
6:47
#3408
25.2M
25.20 mi12:50:462:48:396:422:32
7:21
#3381
Finish
26.22 mi12:57:322:55:256:426:46
6:38
#3341
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 mi4251400040004351(Top 15%)4085(Top 25%)4085(Top 72%)
10K6.21 mi3.10 mi4243+83991+93991+94280(Top 15%)4022(Top 25%)4022(Top 71%)
15K9.32 mi3.11 mi4267-244013-224013-224351(Top 15%)4085(Top 25%)4085(Top 72%)
20K12.43 mi3.11 mi4043+2243808+2053808+2053652(Top 13%)3449(Top 21%)3449(Top 61%)
Half13.11 mi0.68 mi4045-23807+13807+14378(Top 15%)4100(Top 25%)4100(Top 73%)
25K15.53 mi2.42 mi3969+763736+713736+713817(Top 13%)3577(Top 22%)3577(Top 63%)
30K18.64 mi3.11 mi3859+1103634+1023634+1023627(Top 13%)3361(Top 21%)3361(Top 60%)
20M20.00 mi1.36 mi3756+1033535+993535+993135(Top 11%)2911(Top 18%)2911(Top 52%)
21M21.00 mi1.00 mi3688+683468+673468+673005(Top 11%)2779(Top 17%)2779(Top 49%)
35K21.75 mi0.75 mi3670+183451+173451+173823(Top 13%)3445(Top 21%)3445(Top 61%)
23M23.00 mi1.25 mi3582+883364+873364+872792(Top 10%)2566(Top 16%)2566(Top 45%)
24M24.00 mi1.00 mi3464+1183254+1103254+1102509(Top 9%)2313(Top 14%)2313(Top 41%)
40K24.85 mi0.85 mi3408+563200+543200+542774(Top 10%)2518(Top 16%)2518(Top 45%)
25.2M25.20 mi0.35 mi3381+273172+283172+282779(Top 10%)2481(Top 15%)2481(Top 44%)
Finish26.22 mi1.02 mi3341+403129+433129+433563(Top 13%)3110(Top 19%)3110(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4351

Males

4085

M18-39

4085

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4280

Males

4022

M18-39

4022

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4351

Males

4085

M18-39

4085

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3652

Males

3449

M18-39

3449

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4378

Males

4100

M18-39

4100

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3817

Males

3577

M18-39

3577

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3627

Males

3361

M18-39

3361

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3135

Males

2911

M18-39

2911

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3005

Males

2779

M18-39

2779

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3823

Males

3445

M18-39

3445

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2792

Males

2566

M18-39

2566

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2509

Males

2313

M18-39

2313

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2774

Males

2518

M18-39

2518

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2779

Males

2481

M18-39

2481

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3563

Males

3110

M18-39

3110

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1404
Passed By
494
Net Change
+910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4251
5K → 10K142134+8#4251#4243
10K → 15K84108-24#4243#4267
15K → 20K24016+224#4267#4043
20K → Half1820-2#4043#4045
Half → 25K11640+76#4045#3969
25K → 30K16353+110#3969#3859
30K → 20M11815+103#3859#3756
20M → 21M8315+68#3756#3688
21M → 35K4022+18#3688#3670
35K → 23M10719+88#3670#3582
23M → 24M1191+118#3582#3464
24M → 40K7721+56#3464#3408
40K → 25.2M325+27#3408#3381
25.2M → Finish6525+40#3381#3341
TOTALS1404494+910
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing