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BOSTON MARATHON 2025

Thomas Elskamp

Bib: 14764•M

MB

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

Start
0:00:00
Race begins
5K· 3.11 mi
23:59
Rank: #14132
Start → 5K
23:59 | 7:43/mi
10K· 6.21 mi
48:13
Rank: #14422 (-290)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:12:56
Rank: #14846 (-424)
10K → 15K
24:43 | 7:57/mi
20K· 12.43 mi
1:38:46
Rank: #15523 (-677)
15K → 20K
25:50 | 8:19/mi
Half· 13.11 mi
1:44:33
Rank: #15733 (-210)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:06:48
Rank: #16725 (-992)
Half → 25K
22:15 | 9:11/mi
30K· 18.64 mi
2:37:14
Rank: #17696 (-971)
25K → 30K
30:26 | 9:48/mi
20M
2:51:29
Rank: #18256 (-560)
30K → 20M
14:15 | 10:29/mi
21M
3:02:31
Rank: #18566 (-310)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:10:09
Rank: #18797 (-231)
21M → 35K
7:38 | 10:12/mi
23M
3:22:38
Rank: #18931 (-134)
35K → 23M
12:29 | 9:58/mi
24M
3:32:41
Rank: #19099 (-168)
23M → 24M
10:03 | 10:03/mi
40K· 24.85 mi
3:41:48
Rank: #19286 (-187)
24M → 40K
9:07 | 10:40/mi
25.2M
3:45:43
Rank: #19324 (-38)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
3:55:21
Rank: #19413 (-89)
25.2M → Finish
9:38 | 9:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:10:48
Pace9:59 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2423:597:4323:59
7:43
-
10K
6.21 mi11:18:3848:137:4624:14
7:48
+0:05
15K
9.32 mi11:43:211:12:567:4924:43
7:57
+0:09
20K
12.43 mi12:09:111:38:467:5725:50
8:19
+0:22
Half
13.11 mi12:14:581:44:337:595:47
8:29
+0:10
25K
15.53 mi12:37:132:06:488:1022:15
9:11
+0:42
30K
18.64 mi13:07:392:37:148:2630:26
9:48
+0:37
20M
20.00 mi13:21:542:51:298:3414:15
10:29
+0:41
21M
21.00 mi13:32:563:02:318:4111:02
11:02
+0:33
35K
21.75 mi13:40:343:10:098:457:38
10:12
-0:50
23M
23.00 mi13:53:033:22:388:4912:29
9:58
-0:14
24M
24.00 mi14:03:063:32:418:5210:03
10:03
+0:05
40K
24.85 mi14:12:133:41:488:559:07
10:40
+0:37
25.2M
25.20 mi14:16:083:45:438:573:55
11:21
+0:41
Finish
26.22 mi14:25:463:55:218:599:38
9:27
-1:54

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

7:43 /mi

Average Pace

8:59 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:48

54% of race

Time at Steady Pace

1:10:14

30% of race

Time at Slower Pace

38:19

16% of race

Average Pace: 8:59 /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 mi10:54:2423:597:4323:59
7:43
#14132
10K
6.21 mi11:18:3848:137:4624:14
7:48
#14422
15K
9.32 mi11:43:211:12:567:4924:43
7:57
#14846
20K
12.43 mi12:09:111:38:467:5725:50
8:19
#15523
Half
13.11 mi12:14:581:44:337:595:47
8:29
#15733
25K
15.53 mi12:37:132:06:488:1022:15
9:11
#16725
30K
18.64 mi13:07:392:37:148:2630:26
9:48
#17696
20M
20.00 mi13:21:542:51:298:3414:15
10:29
#18256
21M
21.00 mi13:32:563:02:318:4111:02
11:02
#18566
35K
21.75 mi13:40:343:10:098:457:38
10:12
#18797
23M
23.00 mi13:53:033:22:388:4912:29
9:58
#18931
24M
24.00 mi14:03:063:32:418:5210:03
10:03
#19099
40K
24.85 mi14:12:133:41:488:559:07
10:40
#19286
25.2M
25.20 mi14:16:083:45:438:573:55
11:21
#19324
Finish
26.22 mi14:25:463:55:218:599:38
9:27
#19413
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14132100991009915701(Top 55%)10687(Top 66%)10687(Top 648%)
10K6.21 mi3.10 mi14422-29010197-9810197-9814792(Top 52%)10338(Top 64%)10338(Top 627%)
15K9.32 mi3.11 mi14846-42410339-14210339-14215701(Top 55%)10687(Top 66%)10687(Top 648%)
20K12.43 mi3.11 mi15523-67710601-26210601-26217009(Top 60%)11184(Top 69%)11184(Top 679%)
Half13.11 mi0.68 mi15733-21010684-8310684-8319015(Top 67%)12055(Top 75%)12055(Top 731%)
25K15.53 mi2.42 mi16725-99211079-39511079-39520668(Top 73%)12700(Top 79%)12700(Top 771%)
30K18.64 mi3.11 mi17696-97111413-33411413-33420971(Top 74%)12700(Top 79%)12700(Top 771%)
20M20.00 mi1.36 mi18256-56011643-23011643-23022356(Top 79%)13210(Top 82%)13210(Top 802%)
21M21.00 mi1.00 mi18566-31011754-11111754-11121478(Top 76%)12725(Top 79%)12725(Top 772%)
35K21.75 mi0.75 mi18797-23111838-8411838-8422420(Top 79%)13108(Top 81%)13108(Top 795%)
23M23.00 mi1.25 mi18931-13411869-3111869-3120378(Top 72%)12093(Top 75%)12093(Top 734%)
24M24.00 mi1.00 mi19099-16811923-5411923-5421489(Top 76%)12586(Top 78%)12586(Top 764%)
40K24.85 mi0.85 mi19286-18711978-5511978-5522333(Top 79%)12895(Top 80%)12895(Top 782%)
25.2M25.20 mi0.35 mi19324-38119781197821647(Top 76%)12604(Top 78%)12604(Top 765%)
Finish26.22 mi1.02 mi19413-8912001-2312001-2321003(Top 74%)12291(Top 76%)12291(Top 746%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15701

Males

10687

M55-59

10687

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14792

Males

10338

M55-59

10338

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15701

Males

10687

M55-59

10687

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17009

Males

11184

M55-59

11184

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19015

Males

12055

M55-59

12055

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20668

Males

12700

M55-59

12700

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20971

Males

12700

M55-59

12700

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22356

Males

13210

M55-59

13210

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21478

Males

12725

M55-59

12725

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22420

Males

13108

M55-59

13108

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20378

Males

12093

M55-59

12093

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21489

Males

12586

M55-59

12586

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22333

Males

12895

M55-59

12895

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21647

Males

12604

M55-59

12604

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

21003

Males

12291

M55-59

12291

Passing Analysis

Category:
Athletes Passed
664
Passed By
5945
Net Change
-5281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14132
5K → 10K175465-290#14132#14422
10K → 15K85509-424#14422#14846
15K → 20K75752-677#14846#15523
20K → Half6216-210#15523#15733
Half → 25K241016-992#15733#16725
25K → 30K461017-971#16725#17696
30K → 20M34594-560#17696#18256
20M → 21M33343-310#18256#18566
21M → 35K19250-231#18566#18797
35K → 23M59193-134#18797#18931
23M → 24M25193-168#18931#19099
24M → 40K31218-187#19099#19286
40K → 25.2M2159-38#19286#19324
25.2M → Finish31120-89#19324#19413
TOTALS6645945-5281
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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