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BOSTON MARATHON 2025

Stephen Butler

Bib: 11887•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:34
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:30:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:36:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:55:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:21:48
↑ 181↓ 1480.2%
20M
9:07/mi
2:34:12
↑ 64↓ 500.2%
21M
9:39/mi
2:43:51
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
2:50:37
↑ 17↓ 861.7%
23M
9:15/mi
3:02:12
↑ 23↓ 630.6%
24M
8:34/mi
3:10:46
↓ 821.3%
40K· 24.85 mi
9:28/mi
3:18:52
↓ 200.3%
25.2M
10:58/mi
3:22:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:54/mi
3:31:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:55:06
Pace8:47 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1522:377:1722:37
7:17
-
10K
6.21 mi11:12:4145:037:1522:26
7:13
-0:04
15K
9.32 mi11:35:121:07:347:1522:31
7:15
+0:02
20K
12.43 mi11:58:261:30:487:1823:14
7:29
+0:14
Half
13.11 mi12:04:151:36:377:225:49
8:32
+1:03
25K
15.53 mi12:23:001:55:227:2618:45
7:44
-0:48
30K
18.64 mi12:49:262:21:487:3626:26
8:30
+0:46
20M
20.00 mi13:01:502:34:127:4312:24
9:07
+0:37
21M
21.00 mi13:11:292:43:517:489:39
9:39
+0:32
35K
21.75 mi13:18:152:50:377:516:46
9:03
-0:36
23M
23.00 mi13:29:503:02:127:5511:35
9:15
+0:12
24M
24.00 mi13:38:243:10:467:578:34
8:34
-0:41
40K
24.85 mi13:46:303:18:528:008:06
9:28
+0:54
25.2M
25.20 mi13:50:173:22:398:033:47
10:58
+1:30
Finish
26.22 mi13:59:213:31:438:059:04
8:54
-2:04

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

7:13 /mi

Average Pace

8:05 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:33

52% of race

Time at Steady Pace

56:39

27% of race

Time at Slower Pace

45:31

21% of race

Average Pace: 8:04 /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 mi10:50:1522:377:1722:37
7:17
#10155
10K
6.21 mi11:12:4145:037:1522:26
7:13
#9881
15K
9.32 mi11:35:121:07:347:1522:31
7:15
#9739
20K
12.43 mi11:58:261:30:487:1823:14
7:29
#9933
Half
13.11 mi12:04:151:36:377:225:49
8:32
#10479
25K
15.53 mi12:23:001:55:227:2618:45
7:44
#10668
30K
18.64 mi12:49:262:21:487:3626:26
8:30
#11478
20M
20.00 mi13:01:502:34:127:4312:24
9:07
#11999
21M
21.00 mi13:11:292:43:517:489:39
9:39
#12326
35K
21.75 mi13:18:152:50:377:516:46
9:03
#12575
23M
23.00 mi13:29:503:02:127:5511:35
9:15
#12929
24M
24.00 mi13:38:243:10:467:578:34
8:34
#13026
40K
24.85 mi13:46:303:18:528:008:06
9:28
#13276
25.2M
25.20 mi13:50:173:22:398:033:47
10:58
#13431
Finish
26.22 mi13:59:213:31:438:059:04
8:54
#13673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10155826282629531(Top 34%)7841(Top 49%)7841(Top 329%)
10K6.21 mi3.10 mi9881+2748110+1528110+1529660(Top 34%)7971(Top 49%)7971(Top 334%)
15K9.32 mi3.11 mi9739+1428002+1088002+1089531(Top 34%)7841(Top 49%)7841(Top 329%)
20K12.43 mi3.11 mi9933-1948079-778079-7710567(Top 37%)8298(Top 52%)8298(Top 348%)
Half13.11 mi0.68 mi10479-5468360-2818360-28119302(Top 68%)12156(Top 75%)12156(Top 509%)
25K15.53 mi2.42 mi10668-1898428-688428-6811810(Top 42%)8761(Top 54%)8761(Top 367%)
30K18.64 mi3.11 mi11478-8108729-3018729-30114800(Top 52%)9963(Top 62%)9963(Top 418%)
20M20.00 mi1.36 mi11999-5218934-2058934-20517411(Top 61%)10985(Top 68%)10985(Top 460%)
21M21.00 mi1.00 mi12326-3279046-1129046-11216754(Top 59%)10578(Top 66%)10578(Top 443%)
35K21.75 mi0.75 mi12575-2499142-969142-9618413(Top 65%)11217(Top 70%)11217(Top 470%)
23M23.00 mi1.25 mi12929-3549271-1299271-12917543(Top 62%)10742(Top 67%)10742(Top 450%)
24M24.00 mi1.00 mi13026-979272-19272-114908(Top 52%)9535(Top 59%)9535(Top 400%)
40K24.85 mi0.85 mi13276-2509359-879359-8718581(Top 65%)11108(Top 69%)11108(Top 466%)
25.2M25.20 mi0.35 mi13431-1559420-619420-6120478(Top 72%)12011(Top 75%)12011(Top 503%)
Finish26.22 mi1.02 mi13673-2429495-759495-7518491(Top 65%)11109(Top 69%)11109(Top 466%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9531

Males

7841

M45-49

7841

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9660

Males

7971

M45-49

7971

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9531

Males

7841

M45-49

7841

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10567

Males

8298

M45-49

8298

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19302

Males

12156

M45-49

12156

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11810

Males

8761

M45-49

8761

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14800

Males

9963

M45-49

9963

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17411

Males

10985

M45-49

10985

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16754

Males

10578

M45-49

10578

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18413

Males

11217

M45-49

11217

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17543

Males

10742

M45-49

10742

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

14908

Males

9535

M45-49

9535

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18581

Males

11108

M45-49

11108

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20478

Males

12011

M45-49

12011

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18491

Males

11109

M45-49

11109

Passing Analysis

Category:
Athletes Passed
1207
Passed By
4721
Net Change
-3518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10155
5K → 10K396122+274#10155#9881
10K → 15K243100+142#9881#9739
15K → 20K130323-194#9739#9933
20K → Half0544-546#9933#10479
Half → 25K109298-189#10479#10668
25K → 30K73883-810#10668#11478
30K → 20M36557-521#11478#11999
20M → 21M40367-327#11999#12326
21M → 35K29278-249#12326#12575
35K → 23M40394-354#12575#12929
23M → 24M51148-97#12929#13026
24M → 40K27277-250#13026#13276
40K → 25.2M12167-155#13276#13431
25.2M → Finish21263-242#13431#13673
TOTALS12074721-3518
📊

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