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BOSTON MARATHON 2025

Sean Lilley

Bib: 2576•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1975
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:27
Rank: #1808 (+167)
5K → 10K
19:07 | 6:09/mi
15K· 9.32 mi
57:44
Rank: #1821 (-13)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:17:03
Rank: #1751 (+70)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:21:16
Rank: #1760 (-9)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:25
Rank: #1711 (+49)
Half → 25K
15:09 | 6:15/mi
30K· 18.64 mi
1:56:14
Rank: #1638 (+73)
25K → 30K
19:49 | 6:23/mi
20M
2:04:59
Rank: #1594 (+44)
30K → 20M
8:45 | 6:26/mi
21M
2:11:38
Rank: #1534 (+60)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:16:15
Rank: #1490 (+44)
21M → 35K
4:37 | 6:10/mi
23M
2:24:24
Rank: #1463 (+27)
35K → 23M
8:09 | 6:31/mi
24M
2:30:50
Rank: #1442 (+21)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:36:29
Rank: #1436 (+6)
24M → 40K
5:39 | 6:36/mi
25.2M
2:38:58
Rank: #1444 (-8)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:45:27
Rank: #1446 (-2)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:16
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:24:11
Pace6:25 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5119:206:1319:20
6:13
-
10K
6.21 mi10:39:5838:276:1119:07
6:09
-0:04
15K
9.32 mi10:59:1557:446:1219:17
6:12
+0:03
20K
12.43 mi11:18:341:17:036:1219:19
6:13
+0:01
Half
13.11 mi11:22:471:21:166:124:13
6:11
-0:02
25K
15.53 mi11:37:561:36:256:1215:09
6:15
+0:04
30K
18.64 mi11:57:451:56:146:1419:49
6:23
+0:08
20M
20.00 mi12:06:302:04:596:158:45
6:26
+0:03
21M
21.00 mi12:13:092:11:386:166:39
6:39
+0:13
35K
21.75 mi12:17:462:16:156:164:37
6:10
-0:29
23M
23.00 mi12:25:552:24:246:178:09
6:31
+0:21
24M
24.00 mi12:32:212:30:506:176:26
6:26
-0:05
40K
24.85 mi12:38:002:36:296:185:39
6:36
+0:10
25.2M
25.20 mi12:40:292:38:586:182:29
7:12
+0:36
Finish
26.22 mi12:46:582:45:276:196:29
6:22
-0:50

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

6:09 /mi

Average Pace

6:19 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:58

98% of race

Time at Steady Pace

2:29

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:5119:206:1319:20
6:13
#1975
10K
6.21 mi10:39:5838:276:1119:07
6:09
#1808
15K
9.32 mi10:59:1557:446:1219:17
6:12
#1821
20K
12.43 mi11:18:341:17:036:1219:19
6:13
#1751
Half
13.11 mi11:22:471:21:166:124:13
6:11
#1760
25K
15.53 mi11:37:561:36:256:1215:09
6:15
#1711
30K
18.64 mi11:57:451:56:146:1419:49
6:23
#1638
20M
20.00 mi12:06:302:04:596:158:45
6:26
#1594
21M
21.00 mi12:13:092:11:386:166:39
6:39
#1534
35K
21.75 mi12:17:462:16:156:164:37
6:10
#1490
23M
23.00 mi12:25:552:24:246:178:09
6:31
#1463
24M
24.00 mi12:32:212:30:506:176:26
6:26
#1442
40K
24.85 mi12:38:002:36:296:185:39
6:36
#1436
25.2M
25.20 mi12:40:292:38:586:182:29
7:12
#1444
Finish
26.22 mi12:46:582:45:276:196:29
6:22
#1446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1975187818781889(Top 7%)1798(Top 11%)1798(Top 32%)
10K6.21 mi3.10 mi1808+1671719+1591719+1591683(Top 6%)1602(Top 10%)1602(Top 28%)
15K9.32 mi3.11 mi1821-131733-141733-141889(Top 7%)1798(Top 11%)1798(Top 32%)
20K12.43 mi3.11 mi1751+701664+691664+691644(Top 6%)1562(Top 10%)1562(Top 28%)
Half13.11 mi0.68 mi1760-91673-91673-91844(Top 6%)1757(Top 11%)1757(Top 31%)
25K15.53 mi2.42 mi1711+491624+491624+491639(Top 6%)1559(Top 10%)1559(Top 28%)
30K18.64 mi3.11 mi1638+731554+701554+701465(Top 5%)1386(Top 9%)1386(Top 25%)
20M20.00 mi1.36 mi1594+441510+441510+441379(Top 5%)1304(Top 8%)1304(Top 23%)
21M21.00 mi1.00 mi1534+601452+581452+581063(Top 4%)1006(Top 6%)1006(Top 18%)
35K21.75 mi0.75 mi1490+441409+431409+431142(Top 4%)1077(Top 7%)1077(Top 19%)
23M23.00 mi1.25 mi1463+271382+271382+271478(Top 5%)1388(Top 9%)1388(Top 25%)
24M24.00 mi1.00 mi1442+211362+201362+201779(Top 6%)1655(Top 10%)1655(Top 29%)
40K24.85 mi0.85 mi1436+61355+71355+71977(Top 7%)1820(Top 11%)1820(Top 32%)
25.2M25.20 mi0.35 mi1444-81364-91364-92086(Top 7%)1875(Top 12%)1875(Top 33%)
Finish26.22 mi1.02 mi1446-2136413642126(Top 7%)1944(Top 12%)1944(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1889

Males

1798

M18-39

1798

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1683

Males

1602

M18-39

1602

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1889

Males

1798

M18-39

1798

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1644

Males

1562

M18-39

1562

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1844

Males

1757

M18-39

1757

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1639

Males

1559

M18-39

1559

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1465

Males

1386

M18-39

1386

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1379

Males

1304

M18-39

1304

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1063

Males

1006

M18-39

1006

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1142

Males

1077

M18-39

1077

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1478

Males

1388

M18-39

1388

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1779

Males

1655

M18-39

1655

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1977

Males

1820

M18-39

1820

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2086

Males

1875

M18-39

1875

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2126

Males

1944

M18-39

1944

Passing Analysis

Category:
Athletes Passed
842
Passed By
313
Net Change
+529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1975
5K → 10K20639+167#1975#1808
10K → 15K4760-13#1808#1821
15K → 20K9020+70#1821#1751
20K → Half716-9#1751#1760
Half → 25K7324+49#1760#1711
25K → 30K10027+73#1711#1638
30K → 20M5814+44#1638#1594
20M → 21M7111+60#1594#1534
21M → 35K506+44#1534#1490
35K → 23M4821+27#1490#1463
23M → 24M4322+21#1463#1442
24M → 40K2317+6#1442#1436
40K → 25.2M412-8#1436#1444
25.2M → Finish2224-2#1444#1446
TOTALS842313+529
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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