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BOSTON MARATHON 2025

Mike Dyer

Bib: 27874•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
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
11:20/mi
35:14
↑ 97↓ 3451.5%
10K· 6.21 mi
10:40/mi
1:08:21
↑ 79↓ 1380.4%
15K· 9.32 mi
10:22/mi
1:40:34
↑ 67↓ 78
20K· 12.43 mi
10:12/mi
2:12:16
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:19:23
↑ 19↓ 370.5%
25K· 15.53 mi
10:33/mi
2:44:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:40/mi
3:21:13
↑ 181↓ 1480.2%
20M
12:35/mi
3:38:19
↑ 64↓ 500.2%
21M
13:13/mi
3:51:32
↑ 106↓ 241.6%
35K· 21.75 mi
11:28/mi
4:00:07
↑ 17↓ 861.7%
23M
11:55/mi
4:15:02
↑ 23↓ 630.6%
24M
10:52/mi
4:25:54
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:35:40
↓ 200.3%
25.2M
12:40/mi
4:40:02
↑ 13↓ 160.2%
Finish· 26.22 mi
10:08/mi
4:50:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:23
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:30:59
Pace11:31 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5735:1411:2035:14
11:20
-
10K
6.21 mi12:26:041:08:2111:0033:07
10:40
-0:40
15K
9.32 mi12:58:171:40:3410:4732:13
10:22
-0:18
20K
12.43 mi13:29:592:12:1610:3931:42
10:12
-0:10
Half
13.11 mi13:37:062:19:2310:387:07
10:26
+0:14
25K
15.53 mi14:02:402:44:5710:3725:34
10:33
+0:07
30K
18.64 mi14:38:563:21:1310:4836:16
11:40
+1:07
20M
20.00 mi14:56:023:38:1910:5517:06
12:35
+0:55
21M
21.00 mi15:09:153:51:3211:0213:13
13:13
+0:38
35K
21.75 mi15:17:504:00:0711:028:35
11:28
-1:45
23M
23.00 mi15:32:454:15:0211:0514:55
11:55
+0:27
24M
24.00 mi15:43:374:25:5411:0510:52
10:52
-1:03
40K
24.85 mi15:53:234:35:4011:059:46
11:25
+0:33
25.2M
25.20 mi15:57:454:40:0211:074:22
12:40
+1:15
Finish
26.22 mi16:08:054:50:2211:0510:20
10:08
-2:32

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

10:08 /mi

Average Pace

11:05 /mi

Slowest Pace

13:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:03

48% of race

Time at Steady Pace

1:40:43

35% of race

Time at Slower Pace

49:36

17% of race

Average Pace: 11:04 /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 mi11:52:5735:1411:2035:14
11:20
#27886
10K
6.21 mi12:26:041:08:2111:0033:07
10:40
#27310
15K
9.32 mi12:58:171:40:3410:4732:13
10:22
#26776
20K
12.43 mi13:29:592:12:1610:3931:42
10:12
#26228
Half
13.11 mi13:37:062:19:2310:387:07
10:26
#26197
25K
15.53 mi14:02:402:44:5710:3725:34
10:33
#25904
30K
18.64 mi14:38:563:21:1310:4836:16
11:40
#25752
20M
20.00 mi14:56:023:38:1910:5517:06
12:35
#25769
21M
21.00 mi15:09:153:51:3211:0213:13
13:13
#25759
35K
21.75 mi15:17:504:00:0711:028:35
11:28
#25757
23M
23.00 mi15:32:454:15:0211:0514:55
11:55
#25730
24M
24.00 mi15:43:374:25:5411:0510:52
10:52
#25671
40K
24.85 mi15:53:234:35:4011:059:46
11:25
#25620
25.2M
25.20 mi15:57:454:40:0211:074:22
12:40
#25596
Finish
26.22 mi16:08:054:50:2211:0510:20
10:08
#25541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi27886159271592725713(Top 91%)15021(Top 93%)15021(Top 630%)
10K6.21 mi3.10 mi27310+57615705+22215705+22226536(Top 93%)15382(Top 96%)15382(Top 645%)
15K9.32 mi3.11 mi26776+53415487+21815487+21825713(Top 91%)15021(Top 93%)15021(Top 630%)
20K12.43 mi3.11 mi26228+54815260+22715260+22724648(Top 87%)14510(Top 90%)14510(Top 608%)
Half13.11 mi0.68 mi26197+3115239+2115239+2125686(Top 90%)14965(Top 93%)14965(Top 627%)
25K15.53 mi2.42 mi25904+29315095+14415095+14424456(Top 86%)14403(Top 89%)14403(Top 604%)
30K18.64 mi3.11 mi25752+15214992+10314992+10325106(Top 88%)14577(Top 91%)14577(Top 611%)
20M20.00 mi1.36 mi25769-1714986+614986+625991(Top 92%)14915(Top 93%)14915(Top 625%)
21M21.00 mi1.00 mi25759+1014970+1614970+1625337(Top 89%)14543(Top 90%)14543(Top 610%)
35K21.75 mi0.75 mi25757+214963+714963+725050(Top 88%)14376(Top 89%)14376(Top 603%)
23M23.00 mi1.25 mi25730+2714934+2914934+2924995(Top 88%)14335(Top 89%)14335(Top 601%)
24M24.00 mi1.00 mi25671+5914894+4014894+4023707(Top 83%)13670(Top 85%)13670(Top 573%)
40K24.85 mi0.85 mi25620+5114859+3514859+3523999(Top 84%)13776(Top 86%)13776(Top 577%)
25.2M25.20 mi0.35 mi25596+2414843+1614843+1624498(Top 86%)14017(Top 87%)14017(Top 587%)
Finish26.22 mi1.02 mi25541+5514811+3214811+3223356(Top 82%)13453(Top 84%)13453(Top 564%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25713

Males

15021

M45-49

15021

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26536

Males

15382

M45-49

15382

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25713

Males

15021

M45-49

15021

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24648

Males

14510

M45-49

14510

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25686

Males

14965

M45-49

14965

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24456

Males

14403

M45-49

14403

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

25106

Males

14577

M45-49

14577

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

25991

Males

14915

M45-49

14915

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25337

Males

14543

M45-49

14543

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25050

Males

14376

M45-49

14376

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

24995

Males

14335

M45-49

14335

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23707

Males

13670

M45-49

13670

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23999

Males

13776

M45-49

13776

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24498

Males

14017

M45-49

14017

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23356

Males

13453

M45-49

13453

Passing Analysis

Category:
Athletes Passed
2582
Passed By
237
Net Change
+2345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27886
5K → 10K5782+576#27886#27310
10K → 15K5340+534#27310#26776
15K → 20K5480+548#26776#26228
20K → Half4110+31#26228#26197
Half → 25K2974+293#26197#25904
25K → 30K18735+152#25904#25752
30K → 20M4764-17#25752#25769
20M → 21M5040+10#25769#25759
21M → 35K3230+2#25759#25757
35K → 23M5326+27#25757#25730
23M → 24M634+59#25730#25671
24M → 40K598+51#25671#25620
40K → 25.2M295+24#25620#25596
25.2M → Finish649+55#25596#25541
TOTALS2582237+2345
📊

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