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BOSTON MARATHON 2025

Doug Maclean

Bib: 26251•M

CT

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
9:52/mi
30:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:16/mi
1:02:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:56/mi
1:33:24
↑ 67↓ 78
20K· 12.43 mi
10:32/mi
2:06:06
↑ 106↓ 860.1%
Half· 13.11 mi
10:07/mi
2:13:00
↑ 19↓ 370.5%
25K· 15.53 mi
10:56/mi
2:39:31
↑ 66↓ 880.2%
30K· 18.64 mi
11:38/mi
3:15:41
↑ 181↓ 1480.2%
20M
11:22/mi
3:31:08
↑ 64↓ 500.2%
21M
11:30/mi
3:42:38
↑ 106↓ 241.6%
35K· 21.75 mi
11:03/mi
3:50:54
↑ 17↓ 861.7%
23M
11:08/mi
4:04:50
↑ 23↓ 630.6%
24M
10:51/mi
4:15:41
↓ 821.3%
40K· 24.85 mi
10:58/mi
4:25:04
↓ 200.3%
25.2M
11:45/mi
4:29:07
↑ 13↓ 160.2%
Finish· 26.22 mi
10:47/mi
4:40:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:00
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:27:06
Pace11:13 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4330:389:5230:38
9:52
-
10K
6.21 mi12:17:361:02:3110:0431:53
10:16
+0:24
15K
9.32 mi12:48:291:33:2410:0130:53
9:56
-0:20
20K
12.43 mi13:21:112:06:0610:0932:42
10:32
+0:36
Half
13.11 mi13:28:052:13:0010:096:54
10:07
-0:25
25K
15.53 mi13:54:362:39:3110:1626:31
10:56
+0:49
30K
18.64 mi14:30:463:15:4110:3036:10
11:38
+0:42
20M
20.00 mi14:46:133:31:0810:3315:27
11:22
-0:16
21M
21.00 mi14:57:433:42:3810:3611:30
11:30
+0:08
35K
21.75 mi15:05:593:50:5410:378:16
11:03
-0:27
23M
23.00 mi15:19:554:04:5010:3913:56
11:08
+0:05
24M
24.00 mi15:30:464:15:4110:3910:51
10:51
-0:17
40K
24.85 mi15:40:094:25:0410:409:23
10:58
+0:07
25.2M
25.20 mi15:44:124:29:0710:414:03
11:45
+0:47
Finish
26.22 mi15:55:114:40:0610:4110:59
10:47
-0:58

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

9:52 /mi

Average Pace

10:41 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:50

55% of race

Time at Steady Pace

2:01:13

43% of race

Time at Slower Pace

4:03

1% of race

Average Pace: 10:41 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:45:4330:389:5230:38
9:52
#25237
10K
6.21 mi12:17:361:02:3110:0431:53
10:16
#25569
15K
9.32 mi12:48:291:33:2410:0130:53
9:56
#25339
20K
12.43 mi13:21:112:06:0610:0932:42
10:32
#25332
Half
13.11 mi13:28:052:13:0010:096:54
10:07
#25305
25K
15.53 mi13:54:362:39:3110:1626:31
10:56
#25255
30K
18.64 mi14:30:463:15:4110:3036:10
11:38
#25232
20M
20.00 mi14:46:133:31:0810:3315:27
11:22
#25169
21M
21.00 mi14:57:433:42:3810:3611:30
11:30
#25051
35K
21.75 mi15:05:593:50:5410:378:16
11:03
#25050
23M
23.00 mi15:19:554:04:5010:3913:56
11:08
#24974
24M
24.00 mi15:30:464:15:4110:3910:51
10:51
#24924
40K
24.85 mi15:40:094:25:0410:409:23
10:58
#24866
25.2M
25.20 mi15:44:124:29:0710:414:03
11:45
#24840
Finish
26.22 mi15:55:114:40:0610:4110:59
10:47
#24858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25237148341483424876(Top 88%)14659(Top 91%)14659(Top 260%)
10K6.21 mi3.10 mi25569-33214966-13214966-13225850(Top 91%)15073(Top 94%)15073(Top 267%)
15K9.32 mi3.11 mi25339+23014865+10114865+10124876(Top 88%)14659(Top 91%)14659(Top 260%)
20K12.43 mi3.11 mi25332+714843+2214843+2225223(Top 89%)14771(Top 92%)14771(Top 262%)
Half13.11 mi0.68 mi25305+2714829+1414829+1425055(Top 88%)14695(Top 91%)14695(Top 260%)
25K15.53 mi2.42 mi25255+5014797+3214797+3225117(Top 88%)14698(Top 91%)14698(Top 261%)
30K18.64 mi3.11 mi25232+2314759+3814759+3825053(Top 88%)14552(Top 90%)14552(Top 258%)
20M20.00 mi1.36 mi25169+6314712+4714712+4724308(Top 86%)14129(Top 88%)14129(Top 250%)
21M21.00 mi1.00 mi25051+11814657+5514657+5522611(Top 80%)13254(Top 82%)13254(Top 235%)
35K21.75 mi0.75 mi25050+114642+1514642+1524312(Top 86%)14025(Top 87%)14025(Top 249%)
23M23.00 mi1.25 mi24974+7614593+4914593+4923515(Top 83%)13604(Top 84%)13604(Top 241%)
24M24.00 mi1.00 mi24924+5014559+3414559+3423675(Top 83%)13653(Top 85%)13653(Top 242%)
40K24.85 mi0.85 mi24866+5814522+3714522+3723085(Top 81%)13285(Top 82%)13285(Top 235%)
25.2M25.20 mi0.35 mi24840+2614504+1814504+1822666(Top 80%)13121(Top 81%)13121(Top 233%)
Finish26.22 mi1.02 mi24858-1814503+114503+124902(Top 88%)14227(Top 88%)14227(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24876

Males

14659

M18-39

14659

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25850

Males

15073

M18-39

15073

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24876

Males

14659

M18-39

14659

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25223

Males

14771

M18-39

14771

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25055

Males

14695

M18-39

14695

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25117

Males

14698

M18-39

14698

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25053

Males

14552

M18-39

14552

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24308

Males

14129

M18-39

14129

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22611

Males

13254

M18-39

13254

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24312

Males

14025

M18-39

14025

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23515

Males

13604

M18-39

13604

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23675

Males

13653

M18-39

13653

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23085

Males

13285

M18-39

13285

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22666

Males

13121

M18-39

13121

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24902

Males

14227

M18-39

14227

Passing Analysis

Category:
Athletes Passed
1301
Passed By
922
Net Change
+379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25237
5K → 10K87419-332#25237#25569
10K → 15K26939+230#25569#25339
15K → 20K124117+7#25339#25332
20K → Half3912+27#25332#25305
Half → 25K12777+50#25305#25255
25K → 30K138115+23#25255#25232
30K → 20M9027+63#25232#25169
20M → 21M1246+118#25169#25051
21M → 35K2928+1#25051#25050
35K → 23M8812+76#25050#24974
23M → 24M577+50#24974#24924
24M → 40K7416+58#24924#24866
40K → 25.2M271+26#24866#24840
25.2M → Finish2846-18#24840#24858
TOTALS1301922+379
📊

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