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BOSTON MARATHON 2025

Lewis Diulus

Bib: 10474•M

OH

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
7:03/mi
21:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:03/mi
43:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:05:57
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:29:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:35:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
1:54:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:21:49
↑ 181↓ 1480.2%
20M
9:21/mi
2:34:31
↑ 64↓ 500.2%
21M
9:57/mi
2:44:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
2:51:19
↑ 17↓ 861.7%
23M
9:21/mi
3:03:02
↑ 23↓ 630.6%
24M
9:11/mi
3:12:13
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:19:53
↓ 200.3%
25.2M
9:31/mi
3:23:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:31:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:07
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
📊Positive Split: 22.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5421:537:0321:53
7:03
-
10K
6.21 mi11:09:4743:467:0321:53
7:03
0:00
15K
9.32 mi11:31:581:05:577:0522:11
7:08
+0:05
20K
12.43 mi11:55:511:29:507:1423:53
7:41
+0:33
Half
13.11 mi12:01:081:35:077:155:17
7:45
+0:04
25K
15.53 mi12:20:431:54:427:2319:35
8:05
+0:20
30K
18.64 mi12:47:502:21:497:3627:07
8:44
+0:39
20M
20.00 mi13:00:322:34:317:4412:42
9:21
+0:37
21M
21.00 mi13:10:292:44:287:509:57
9:57
+0:36
35K
21.75 mi13:17:202:51:197:536:51
9:09
-0:48
23M
23.00 mi13:29:033:03:027:5711:43
9:21
+0:12
24M
24.00 mi13:38:143:12:138:019:11
9:11
-0:10
40K
24.85 mi13:45:543:19:538:037:40
8:58
-0:13
25.2M
25.20 mi13:49:113:23:108:043:17
9:31
+0:33
Finish
26.22 mi13:57:113:31:108:048:00
7:51
-1:40

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

7:03 /mi

Average Pace

8:04 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:42

58% of race

Time at Steady Pace

50:49

24% of race

Time at Slower Pace

37:39

18% of race

Average Pace: 8:03 /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 mi10:47:5421:537:0321:53
7:03
#8161
10K
6.21 mi11:09:4743:467:0321:53
7:03
#8205
15K
9.32 mi11:31:581:05:577:0522:11
7:08
#8307
20K
12.43 mi11:55:511:29:507:1423:53
7:41
#9241
Half
13.11 mi12:01:081:35:077:155:17
7:45
#9449
25K
15.53 mi12:20:431:54:427:2319:35
8:05
#10301
30K
18.64 mi12:47:502:21:497:3627:07
8:44
#11484
20M
20.00 mi13:00:322:34:317:4412:42
9:21
#12119
21M
21.00 mi13:10:292:44:287:509:57
9:57
#12543
35K
21.75 mi13:17:202:51:197:536:51
9:09
#12854
23M
23.00 mi13:29:033:03:027:5711:43
9:21
#13207
24M
24.00 mi13:38:143:12:138:019:11
9:11
#13463
40K
24.85 mi13:45:543:19:538:037:40
8:58
#13581
25.2M
25.20 mi13:49:113:23:108:043:17
9:31
#13599
Finish
26.22 mi13:57:113:31:108:048:00
7:51
#13526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8161710871088630(Top 30%)7335(Top 46%)7335(Top 307%)
10K6.21 mi3.10 mi8205-447118-107118-108245(Top 29%)7135(Top 44%)7135(Top 299%)
15K9.32 mi3.11 mi8307-1027166-487166-488630(Top 30%)7335(Top 46%)7335(Top 307%)
20K12.43 mi3.11 mi9241-9347698-5327698-53212281(Top 43%)9095(Top 56%)9095(Top 381%)
Half13.11 mi0.68 mi9449-2087801-1037801-10313723(Top 48%)9772(Top 61%)9772(Top 410%)
25K15.53 mi2.42 mi10301-8528229-4288229-42814460(Top 51%)9953(Top 62%)9953(Top 417%)
30K18.64 mi3.11 mi11484-11838732-5038732-50316146(Top 57%)10553(Top 66%)10553(Top 442%)
20M20.00 mi1.36 mi12119-6358995-2638995-26318482(Top 65%)11436(Top 71%)11436(Top 479%)
21M21.00 mi1.00 mi12543-4249151-1569151-15618082(Top 64%)11191(Top 69%)11191(Top 469%)
35K21.75 mi0.75 mi12854-3119273-1229273-12218946(Top 67%)11460(Top 71%)11460(Top 480%)
23M23.00 mi1.25 mi13207-3539382-1099382-10918029(Top 63%)10987(Top 68%)10987(Top 460%)
24M24.00 mi1.00 mi13463-2569470-889470-8818245(Top 64%)11027(Top 68%)11027(Top 462%)
40K24.85 mi0.85 mi13581-1189492-229492-2216075(Top 57%)9948(Top 62%)9948(Top 417%)
25.2M25.20 mi0.35 mi13599-189491+19491+114638(Top 52%)9231(Top 57%)9231(Top 387%)
Finish26.22 mi1.02 mi13526+739436+559436+5511808(Top 42%)7946(Top 49%)7946(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8630

Males

7335

M45-49

7335

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8245

Males

7135

M45-49

7135

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8630

Males

7335

M45-49

7335

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12281

Males

9095

M45-49

9095

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13723

Males

9772

M45-49

9772

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14460

Males

9953

M45-49

9953

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16146

Males

10553

M45-49

10553

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18482

Males

11436

M45-49

11436

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18082

Males

11191

M45-49

11191

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

18946

Males

11460

M45-49

11460

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

18029

Males

10987

M45-49

10987

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18245

Males

11027

M45-49

11027

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16075

Males

9948

M45-49

9948

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14638

Males

9231

M45-49

9231

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11808

Males

7946

M45-49

7946

Passing Analysis

Category:
Athletes Passed
757
Passed By
6119
Net Change
-5365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8161
5K → 10K199243-44#8161#8205
10K → 15K105207-102#8205#8307
15K → 20K34968-934#8307#9241
20K → Half3211-208#9241#9449
Half → 25K31881-852#9449#10301
25K → 30K431225-1183#10301#11484
30K → 20M31666-635#11484#12119
20M → 21M23447-424#12119#12543
21M → 35K20331-311#12543#12854
35K → 23M45398-353#12854#13207
23M → 24M29285-256#13207#13463
24M → 40K50168-118#13463#13581
40K → 25.2M3250-18#13581#13599
25.2M → Finish11239+73#13599#13526
TOTALS7576119-5365
📊

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