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BOSTON MARATHON 2025

Ed Maas

Bib: 15778•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:32
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:46:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:52:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
2:12:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:39:59
↑ 181↓ 1480.2%
20M
8:54/mi
2:52:05
↑ 64↓ 500.2%
21M
9:57/mi
3:02:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:08:23
↑ 17↓ 861.7%
23M
9:00/mi
3:19:39
↑ 23↓ 630.6%
24M
8:40/mi
3:28:19
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:36:00
↓ 200.3%
25.2M
10:09/mi
3:39:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:55/mi
3:48:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:39
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:55:56
Pace8:51 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5226:308:3226:30
8:32
-
10K
6.21 mi11:53:1752:558:3126:25
8:30
-0:02
15K
9.32 mi12:19:541:19:328:3226:37
8:34
+0:04
20K
12.43 mi12:47:101:46:488:3627:16
8:47
+0:13
Half
13.11 mi12:53:011:52:398:365:51
8:34
-0:13
25K
15.53 mi13:12:532:12:318:3219:52
8:12
-0:22
30K
18.64 mi13:40:212:39:598:3527:28
8:50
+0:38
20M
20.00 mi13:52:272:52:058:3612:06
8:54
+0:04
21M
21.00 mi14:02:243:02:028:409:57
9:57
+1:03
35K
21.75 mi14:08:453:08:238:406:21
8:29
-1:28
23M
23.00 mi14:20:013:19:398:4111:16
9:00
+0:31
24M
24.00 mi14:28:413:28:198:418:40
8:40
-0:20
40K
24.85 mi14:36:223:36:008:417:41
8:59
+0:19
25.2M
25.20 mi14:39:523:39:308:433:30
10:09
+1:10
Finish
26.22 mi14:48:573:48:358:439:05
8:55
-1:14

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

8:12 /mi

Average Pace

8:43 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:38

23% of race

Time at Steady Pace

2:42:30

71% of race

Time at Slower Pace

13:27

6% of race

Average Pace: 8:43 /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 mi11:26:5226:308:3226:30
8:32
#20054
10K
6.21 mi11:53:1752:558:3126:25
8:30
#19933
15K
9.32 mi12:19:541:19:328:3226:37
8:34
#19873
20K
12.43 mi12:47:101:46:488:3627:16
8:47
#19839
Half
13.11 mi12:53:011:52:398:365:51
8:34
#19829
25K
15.53 mi13:12:532:12:318:3219:52
8:12
#19093
30K
18.64 mi13:40:212:39:598:3527:28
8:50
#18646
20M
20.00 mi13:52:272:52:058:3612:06
8:54
#18451
21M
21.00 mi14:02:243:02:028:409:57
9:57
#18409
35K
21.75 mi14:08:453:08:238:406:21
8:29
#18290
23M
23.00 mi14:20:013:19:398:4111:16
9:00
#18168
24M
24.00 mi14:28:413:28:198:418:40
8:40
#18022
40K
24.85 mi14:36:223:36:008:417:41
8:59
#17953
25.2M
25.20 mi14:39:523:39:308:433:30
10:09
#17950
Finish
26.22 mi14:48:573:48:358:439:05
8:55
#17976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20054124661246619726(Top 69%)12379(Top 77%)12379(Top 751%)
10K6.21 mi3.10 mi19933+12112443+2312443+2319806(Top 70%)12385(Top 77%)12385(Top 752%)
15K9.32 mi3.11 mi19873+6012420+2312420+2319726(Top 69%)12379(Top 77%)12379(Top 751%)
20K12.43 mi3.11 mi19839+3412398+2212398+2219812(Top 70%)12376(Top 77%)12376(Top 751%)
Half13.11 mi0.68 mi19829+1012393+512393+519619(Top 69%)12293(Top 76%)12293(Top 746%)
25K15.53 mi2.42 mi19093+73612070+32312070+32315276(Top 54%)10354(Top 64%)10354(Top 628%)
30K18.64 mi3.11 mi18646+44711848+22211848+22216834(Top 59%)10846(Top 67%)10846(Top 658%)
20M20.00 mi1.36 mi18451+19511729+11911729+11916251(Top 57%)10468(Top 65%)10468(Top 635%)
21M21.00 mi1.00 mi18409+4211681+4811681+4818093(Top 64%)11202(Top 70%)11202(Top 680%)
35K21.75 mi0.75 mi18290+11911618+6311618+6315376(Top 54%)9892(Top 61%)9892(Top 600%)
23M23.00 mi1.25 mi18168+12211534+8411534+8416233(Top 57%)10180(Top 63%)10180(Top 618%)
24M24.00 mi1.00 mi18022+14611442+9211442+9215534(Top 55%)9837(Top 61%)9837(Top 597%)
40K24.85 mi0.85 mi17953+6911382+6011382+6016210(Top 57%)10014(Top 62%)10014(Top 608%)
25.2M25.20 mi0.35 mi17950+311374+811374+817642(Top 62%)10665(Top 66%)10665(Top 647%)
Finish26.22 mi1.02 mi17976-2611370+411370+418577(Top 65%)11157(Top 69%)11157(Top 677%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19726

Males

12379

M55-59

12379

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19806

Males

12385

M55-59

12385

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19726

Males

12379

M55-59

12379

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19812

Males

12376

M55-59

12376

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19619

Males

12293

M55-59

12293

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15276

Males

10354

M55-59

10354

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16834

Males

10846

M55-59

10846

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16251

Males

10468

M55-59

10468

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18093

Males

11202

M55-59

11202

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15376

Males

9892

M55-59

9892

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16233

Males

10180

M55-59

10180

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15534

Males

9837

M55-59

9837

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16210

Males

10014

M55-59

10014

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17642

Males

10665

M55-59

10665

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18577

Males

11157

M55-59

11157

Passing Analysis

Category:
Athletes Passed
3014
Passed By
936
Net Change
+2078
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20054
5K → 10K342221+121#20054#19933
10K → 15K228168+60#19933#19873
15K → 20K211177+34#19873#19839
20K → Half3525+10#19839#19829
Half → 25K7360+736#19829#19093
25K → 30K48740+447#19093#18646
30K → 20M21621+195#18646#18451
20M → 21M11876+42#18451#18409
21M → 35K12910+119#18409#18290
35K → 23M16240+122#18290#18168
23M → 24M1559+146#18168#18022
24M → 40K10334+69#18022#17953
40K → 25.2M2926+3#17953#17950
25.2M → Finish6389-26#17950#17976
TOTALS3014936+2078
📊

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