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BOSTON MARATHON 2025

Liam Mccarthy

Bib: 2181•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #1570
Start → 5K
19:05 | 6:09/mi
10K· 6.21 mi
38:15
Rank: #1653 (-83)
5K → 10K
19:10 | 6:10/mi
15K· 9.32 mi
57:25
Rank: #1650 (+3)
10K → 15K
19:10 | 6:10/mi
20K· 12.43 mi
1:16:43
Rank: #1640 (+10)
15K → 20K
19:18 | 6:13/mi
Half· 13.11 mi
1:20:51
Rank: #1612 (+28)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:55
Rank: #1568 (+44)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:11
Rank: #1399 (+169)
25K → 30K
19:16 | 6:12/mi
20M
2:03:35
Rank: #1312 (+87)
30K → 20M
8:24 | 6:11/mi
21M
2:10:06
Rank: #1258 (+54)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:14:33
Rank: #1219 (+39)
21M → 35K
4:27 | 5:57/mi
23M
2:22:26
Rank: #1146 (+73)
35K → 23M
7:53 | 6:18/mi
24M
2:28:35
Rank: #1119 (+27)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:33:52
Rank: #1085 (+34)
24M → 40K
5:17 | 6:11/mi
25.2M
2:36:08
Rank: #1056 (+29)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:41:53
Rank: #997 (+59)
25.2M → Finish
5:45 | 5:39/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:20:51
Pace6:10 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:02
Pace6:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5019:056:0919:05
6:09
-
10K
6.21 mi10:39:0038:156:0919:10
6:10
+0:01
15K
9.32 mi10:58:1057:256:1019:10
6:10
0:00
20K
12.43 mi11:17:281:16:436:1019:18
6:13
+0:03
Half
13.11 mi11:21:361:20:516:104:08
6:03
-0:10
25K
15.53 mi11:36:401:35:556:1015:04
6:13
+0:10
30K
18.64 mi11:55:561:55:116:1119:16
6:12
-0:01
20M
20.00 mi12:04:202:03:356:118:24
6:11
-0:01
21M
21.00 mi12:10:512:10:066:126:31
6:31
+0:20
35K
21.75 mi12:15:182:14:336:114:27
5:57
-0:34
23M
23.00 mi12:23:112:22:266:127:53
6:18
+0:21
24M
24.00 mi12:29:202:28:356:116:09
6:09
-0:09
40K
24.85 mi12:34:372:33:526:115:17
6:11
+0:02
25.2M
25.20 mi12:36:532:36:086:122:16
6:34
+0:23
Finish
26.22 mi12:42:382:41:536:115:45
5:39
-0:55

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

5:39 /mi

Average Pace

6:11 /mi

Slowest Pace

6:34 /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

1:50:51

68% of race

Time at Steady Pace

51:02

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:10 /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 mi10:19:5019:056:0919:05
6:09
#1570
10K
6.21 mi10:39:0038:156:0919:10
6:10
#1653
15K
9.32 mi10:58:1057:256:1019:10
6:10
#1650
20K
12.43 mi11:17:281:16:436:1019:18
6:13
#1640
Half
13.11 mi11:21:361:20:516:104:08
6:03
#1612
25K
15.53 mi11:36:401:35:556:1015:04
6:13
#1568
30K
18.64 mi11:55:561:55:116:1119:16
6:12
#1399
20M
20.00 mi12:04:202:03:356:118:24
6:11
#1312
21M
21.00 mi12:10:512:10:066:126:31
6:31
#1258
35K
21.75 mi12:15:182:14:336:114:27
5:57
#1219
23M
23.00 mi12:23:112:22:266:127:53
6:18
#1146
24M
24.00 mi12:29:202:28:356:116:09
6:09
#1119
40K
24.85 mi12:34:372:33:526:115:17
6:11
#1085
25.2M
25.20 mi12:36:532:36:086:122:16
6:34
#1056
Finish
26.22 mi12:42:382:41:536:115:45
5:39
#997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1570149514951683(Top 6%)1597(Top 10%)1597(Top 28%)
10K6.21 mi3.10 mi1653-831573-781573-781758(Top 6%)1671(Top 10%)1671(Top 30%)
15K9.32 mi3.11 mi1650+31570+31570+31683(Top 6%)1597(Top 10%)1597(Top 28%)
20K12.43 mi3.11 mi1640+101557+131557+131617(Top 6%)1535(Top 10%)1535(Top 27%)
Half13.11 mi0.68 mi1612+281529+281529+281342(Top 5%)1274(Top 8%)1274(Top 23%)
25K15.53 mi2.42 mi1568+441486+431486+431499(Top 5%)1424(Top 9%)1424(Top 25%)
30K18.64 mi3.11 mi1399+1691323+1631323+163916(Top 3%)860(Top 5%)860(Top 15%)
20M20.00 mi1.36 mi1312+871237+861237+86689(Top 2%)649(Top 4%)649(Top 12%)
21M21.00 mi1.00 mi1258+541187+501187+50721(Top 3%)682(Top 4%)682(Top 12%)
35K21.75 mi0.75 mi1219+391148+391148+39628(Top 2%)587(Top 4%)587(Top 10%)
23M23.00 mi1.25 mi1146+731080+681080+68868(Top 3%)819(Top 5%)819(Top 15%)
24M24.00 mi1.00 mi1119+271053+271053+27889(Top 3%)835(Top 5%)835(Top 15%)
40K24.85 mi0.85 mi1085+341022+311022+31696(Top 2%)651(Top 4%)651(Top 12%)
25.2M25.20 mi0.35 mi1056+29994+28994+28566(Top 2%)526(Top 3%)526(Top 9%)
Finish26.22 mi1.02 mi997+59937+57937+57289(Top 1%)271(Top 2%)271(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1683

Males

1597

M18-39

1597

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1758

Males

1671

M18-39

1671

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1683

Males

1597

M18-39

1597

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1617

Males

1535

M18-39

1535

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1342

Males

1274

M18-39

1274

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1499

Males

1424

M18-39

1424

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

916

Males

860

M18-39

860

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

689

Males

649

M18-39

649

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

721

Males

682

M18-39

682

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

628

Males

587

M18-39

587

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

868

Males

819

M18-39

819

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

889

Males

835

M18-39

835

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

696

Males

651

M18-39

651

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

566

Males

526

M18-39

526

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

289

Males

271

M18-39

271

Passing Analysis

Category:
Athletes Passed
847
Passed By
274
Net Change
+573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1570
5K → 10K47130-83#1570#1653
10K → 15K6360+3#1653#1650
15K → 20K5444+10#1650#1640
20K → Half302+28#1640#1612
Half → 25K6016+44#1612#1568
25K → 30K1756+169#1568#1399
30K → 20M892+87#1399#1312
20M → 21M584+54#1312#1258
21M → 35K390+39#1258#1219
35K → 23M741+73#1219#1146
23M → 24M336+27#1146#1119
24M → 40K373+34#1119#1085
40K → 25.2M290+29#1085#1056
25.2M → Finish590+59#1056#997
TOTALS847274+573
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing