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BOSTON MARATHON 2025

William Sheehan

Bib: 26069•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:50/mi
27:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
52:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:33
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:46:39
↑ 106↓ 860.1%
Half· 13.11 mi
11:36/mi
1:54:34
↑ 19↓ 370.5%
25K· 15.53 mi
10:51/mi
2:20:52
↑ 66↓ 880.2%
30K· 18.64 mi
11:40/mi
2:57:07
↑ 181↓ 1480.2%
20M
11:09/mi
3:12:16
↑ 64↓ 500.2%
21M
11:37/mi
3:23:53
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:31:35
↑ 17↓ 861.7%
23M
11:12/mi
3:45:37
↑ 23↓ 630.6%
24M
10:42/mi
3:56:19
↓ 821.3%
40K· 24.85 mi
11:21/mi
4:06:01
↓ 200.3%
25.2M
11:16/mi
4:09:54
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:20:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:25:36
Pace11:06 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3727:288:5027:28
8:50
-
10K
6.21 mi12:11:3452:258:2624:57
8:02
-0:48
15K
9.32 mi12:37:421:18:338:2626:08
8:25
+0:23
20K
12.43 mi13:05:481:46:398:3528:06
9:03
+0:38
Half
13.11 mi13:13:431:54:348:447:55
11:36
+2:33
25K
15.53 mi13:40:012:20:529:0426:18
10:51
-0:45
30K
18.64 mi14:16:162:57:079:3036:15
11:40
+0:49
20M
20.00 mi14:31:253:12:169:3715:09
11:09
-0:31
21M
21.00 mi14:43:023:23:539:4311:37
11:37
+0:28
35K
21.75 mi14:50:443:31:359:447:42
10:18
-1:19
23M
23.00 mi15:04:463:45:379:4914:02
11:12
+0:54
24M
24.00 mi15:15:283:56:199:5110:42
10:42
-0:30
40K
24.85 mi15:25:104:06:019:549:42
11:21
+0:39
25.2M
25.20 mi15:29:034:09:549:553:53
11:16
-0:05
Finish
26.22 mi15:39:194:20:109:5610:16
10:04
-1:12

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

8:02 /mi

Average Pace

9:56 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:55

45% of race

Time at Steady Pace

1:27:28

34% of race

Time at Slower Pace

55:47

21% of race

Average Pace: 9:55 /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 mi11:46:3727:288:5027:28
8:50
#21706
10K
6.21 mi12:11:3452:258:2624:57
8:02
#19458
15K
9.32 mi12:37:421:18:338:2626:08
8:25
#19208
20K
12.43 mi13:05:481:46:398:3528:06
9:03
#19776
Half
13.11 mi13:13:431:54:348:447:55
11:36
#20618
25K
15.53 mi13:40:012:20:529:0426:18
10:51
#21886
30K
18.64 mi14:16:162:57:079:3036:15
11:40
#22805
20M
20.00 mi14:31:253:12:169:3715:09
11:09
#22889
21M
21.00 mi14:43:023:23:539:4311:37
11:37
#22887
35K
21.75 mi14:50:443:31:359:447:42
10:18
#22877
23M
23.00 mi15:04:463:45:379:4914:02
11:12
#22919
24M
24.00 mi15:15:283:56:199:5110:42
10:42
#22931
40K
24.85 mi15:25:104:06:019:549:42
11:21
#22980
25.2M
25.20 mi15:29:034:09:549:553:53
11:16
#22967
Finish
26.22 mi15:39:194:20:109:5610:16
10:04
#22969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21706131821318218776(Top 66%)11956(Top 74%)11956(Top 212%)
10K6.21 mi3.10 mi19458+224812243+93912243+93916704(Top 59%)11118(Top 69%)11118(Top 197%)
15K9.32 mi3.11 mi19208+25012139+10412139+10418776(Top 66%)11956(Top 74%)11956(Top 212%)
20K12.43 mi3.11 mi19776-56812371-23212371-23221198(Top 75%)12986(Top 81%)12986(Top 230%)
Half13.11 mi0.68 mi20618-84212738-36712738-36727143(Top 96%)15576(Top 97%)15576(Top 276%)
25K15.53 mi2.42 mi21886-126813282-54413282-54424975(Top 88%)14637(Top 91%)14637(Top 259%)
30K18.64 mi3.11 mi22805-91913672-39013672-39025092(Top 88%)14570(Top 90%)14570(Top 258%)
20M20.00 mi1.36 mi22889-8413673-113673-123877(Top 84%)13924(Top 86%)13924(Top 247%)
21M21.00 mi1.00 mi22887+213658+1513658+1522844(Top 80%)13364(Top 83%)13364(Top 237%)
35K21.75 mi0.75 mi22877+1013644+1413644+1422661(Top 80%)13235(Top 82%)13235(Top 235%)
23M23.00 mi1.25 mi22919-4213637+713637+723686(Top 83%)13683(Top 85%)13683(Top 243%)
24M24.00 mi1.00 mi22931-1213622+1513622+1523310(Top 82%)13462(Top 84%)13462(Top 239%)
40K24.85 mi0.85 mi22980-4913625-313625-323843(Top 84%)13693(Top 85%)13693(Top 243%)
25.2M25.20 mi0.35 mi22967+1313610+1513610+1521403(Top 75%)12492(Top 78%)12492(Top 221%)
Finish26.22 mi1.02 mi22969-213604+613604+623140(Top 81%)13345(Top 83%)13345(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18776

Males

11956

M18-39

11956

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16704

Males

11118

M18-39

11118

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18776

Males

11956

M18-39

11956

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21198

Males

12986

M18-39

12986

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27143

Males

15576

M18-39

15576

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24975

Males

14637

M18-39

14637

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25092

Males

14570

M18-39

14570

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23877

Males

13924

M18-39

13924

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22844

Males

13364

M18-39

13364

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22661

Males

13235

M18-39

13235

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23686

Males

13683

M18-39

13683

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23310

Males

13462

M18-39

13462

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23843

Males

13693

M18-39

13693

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21403

Males

12492

M18-39

12492

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23140

Males

13345

M18-39

13345

Passing Analysis

Category:
Athletes Passed
3083
Passed By
4346
Net Change
-1263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21706
5K → 10K22546+2248#21706#19458
10K → 15K34898+250#19458#19208
15K → 20K64632-568#19208#19776
20K → Half1843-842#19776#20618
Half → 25K61274-1268#20618#21886
25K → 30K33952-919#21886#22805
30K → 20M58142-84#22805#22889
20M → 21M6260+2#22889#22887
21M → 35K5040+10#22887#22877
35K → 23M5395-42#22877#22919
23M → 24M5163-12#22919#22931
24M → 40K3685-49#22931#22980
40K → 25.2M2815+13#22980#22967
25.2M → Finish3941-2#22967#22969
TOTALS30834346-1263
📊

Passing Visuals

Category:
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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