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BOSTON MARATHON 2025

Thomas Meijssen

Bib: 23803•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 24%
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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:34
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:45:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:51:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:12:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:04/mi
2:40:21
↑ 181↓ 1480.2%
20M
9:09/mi
2:52:47
↑ 64↓ 500.2%
21M
9:48/mi
3:02:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:09:08
↑ 17↓ 861.7%
23M
8:58/mi
3:20:21
↑ 23↓ 630.6%
24M
8:38/mi
3:28:59
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:36:39
↓ 200.3%
25.2M
11:10/mi
3:40:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:49:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4626:178:2826:17
8:28
-
10K
6.21 mi11:51:5552:268:2626:09
8:25
-0:03
15K
9.32 mi12:18:031:18:348:2626:09
8:25
0:00
20K
12.43 mi12:44:531:45:248:2926:50
8:38
+0:13
Half
13.11 mi12:50:391:51:108:295:46
8:27
-0:11
25K
15.53 mi13:11:402:12:118:3121:01
8:40
+0:13
30K
18.64 mi13:39:502:40:218:3628:10
9:04
+0:24
20M
20.00 mi13:52:162:52:478:3812:26
9:09
+0:05
21M
21.00 mi14:02:043:02:358:429:48
9:48
+0:39
35K
21.75 mi14:08:373:09:088:426:33
8:45
-1:03
23M
23.00 mi14:19:503:20:218:4311:13
8:58
+0:13
24M
24.00 mi14:28:283:28:598:428:38
8:38
-0:20
40K
24.85 mi14:36:083:36:398:437:40
8:58
+0:20
25.2M
25.20 mi14:39:593:40:308:453:51
11:10
+2:12
Finish
26.22 mi14:48:473:49:188:458:48
8:38
-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

8:25 /mi

Average Pace

8:45 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:03

76% of race

Time at Slower Pace

54:15

24% of race

Average Pace: 8:45 /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 mi11:25:4626:178:2826:17
8:28
#19642
10K
6.21 mi11:51:5552:268:2626:09
8:25
#19466
15K
9.32 mi12:18:031:18:348:2626:09
8:25
#19218
20K
12.43 mi12:44:531:45:248:2926:50
8:38
#19154
Half
13.11 mi12:50:391:51:108:295:46
8:27
#19124
25K
15.53 mi13:11:402:12:118:3121:01
8:40
#18953
30K
18.64 mi13:39:502:40:218:3628:10
9:04
#18765
20M
20.00 mi13:52:162:52:478:3812:26
9:09
#18659
21M
21.00 mi14:02:043:02:358:429:48
9:48
#18583
35K
21.75 mi14:08:373:09:088:426:33
8:45
#18522
23M
23.00 mi14:19:503:20:218:4311:13
8:58
#18341
24M
24.00 mi14:28:283:28:598:428:38
8:38
#18203
40K
24.85 mi14:36:083:36:398:437:40
8:58
#18122
25.2M
25.20 mi14:39:593:40:308:453:51
11:10
#18194
Finish
26.22 mi14:48:473:49:188:458:48
8:38
#18156
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19642122991229918795(Top 66%)11957(Top 74%)11957(Top 1871%)
10K6.21 mi3.10 mi19466+17612245+5412245+5419283(Top 68%)12179(Top 76%)12179(Top 1906%)
15K9.32 mi3.11 mi19218+24812143+10212143+10218795(Top 66%)11957(Top 74%)11957(Top 1871%)
20K12.43 mi3.11 mi19154+6412106+3712106+3719044(Top 67%)12045(Top 75%)12045(Top 1885%)
Half13.11 mi0.68 mi19124+3012092+1412092+1418846(Top 66%)11971(Top 74%)11971(Top 1873%)
25K15.53 mi2.42 mi18953+17112008+8412008+8418183(Top 64%)11606(Top 72%)11606(Top 1816%)
30K18.64 mi3.11 mi18765+18811903+10511903+10517999(Top 63%)11379(Top 71%)11379(Top 1781%)
20M20.00 mi1.36 mi18659+10611827+7611827+7617518(Top 62%)11046(Top 69%)11046(Top 1729%)
21M21.00 mi1.00 mi18583+7611763+6411763+6417461(Top 61%)10901(Top 68%)10901(Top 1706%)
35K21.75 mi0.75 mi18522+6111722+4111722+4117002(Top 60%)10617(Top 66%)10617(Top 1662%)
23M23.00 mi1.25 mi18341+18111617+10511617+10516025(Top 56%)10085(Top 63%)10085(Top 1578%)
24M24.00 mi1.00 mi18203+13811523+9411523+9415349(Top 54%)9744(Top 61%)9744(Top 1525%)
40K24.85 mi0.85 mi18122+8111459+6411459+6416098(Top 57%)9971(Top 62%)9971(Top 1560%)
25.2M25.20 mi0.35 mi18194-7211481-2211481-2221086(Top 74%)12327(Top 77%)12327(Top 1929%)
Finish26.22 mi1.02 mi18156+3811452+2911452+2917059(Top 60%)10424(Top 65%)10424(Top 1631%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18795

Males

11957

M65-69

11957

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19283

Males

12179

M65-69

12179

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18795

Males

11957

M65-69

11957

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19044

Males

12045

M65-69

12045

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18846

Males

11971

M65-69

11971

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18183

Males

11606

M65-69

11606

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17999

Males

11379

M65-69

11379

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17518

Males

11046

M65-69

11046

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17461

Males

10901

M65-69

10901

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17002

Males

10617

M65-69

10617

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

16025

Males

10085

M65-69

10085

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15349

Males

9744

M65-69

9744

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16098

Males

9971

M65-69

9971

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21086

Males

12327

M65-69

12327

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17059

Males

10424

M65-69

10424

Passing Analysis

Category:
Athletes Passed
2476
Passed By
990
Net Change
+1486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19642
5K → 10K352176+176#19642#19466
10K → 15K348100+248#19466#19218
15K → 20K216152+64#19218#19154
20K → Half5222+30#19154#19124
Half → 25K24574+171#19124#18953
25K → 30K327139+188#18953#18765
30K → 20M15751+106#18765#18659
20M → 21M14266+76#18659#18583
21M → 35K8322+61#18583#18522
35K → 23M20726+181#18522#18341
23M → 24M14911+138#18341#18203
24M → 40K10524+81#18203#18122
40K → 25.2M779-72#18122#18194
25.2M → Finish8648+38#18194#18156
TOTALS2476990+1486
📊

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