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BOSTON MARATHON 2025

Erik Preben Nielsen

Bib: 31090•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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
39:37
Rank: #28362
Start → 5K
39:37 | 12:45/mi
10K· 6.21 mi
1:21:19
Rank: #28369 (-7)
5K → 10K
41:42 | 13:25/mi
15K· 9.32 mi
2:03:50
Rank: #28367 (+2)
10K → 15K
42:31 | 13:41/mi
20K· 12.43 mi
2:47:53
Rank: #28364 (+3)
15K → 20K
44:03 | 14:11/mi
Half· 13.11 mi
2:57:04
Rank: #28364
20K → Half
9:11 | 13:28/mi
25K· 15.53 mi
3:31:58
Rank: #28358 (+6)
Half → 25K
34:54 | 14:24/mi
30K· 18.64 mi
4:17:57
Rank: #28335 (+23)
25K → 30K
45:59 | 14:48/mi
20M
4:37:41
Rank: #28328 (+7)
30K → 20M
19:44 | 14:31/mi
21M
4:52:46
Rank: #28320 (+8)
20M → 21M
15:05 | 15:05/mi
35K· 21.75 mi
5:02:47
Rank: #28308 (+12)
21M → 35K
10:01 | 13:23/mi
23M
5:20:19
Rank: #28297 (+11)
35K → 23M
17:32 | 14:00/mi
24M
5:33:56
Rank: #28293 (+4)
23M → 24M
13:37 | 13:37/mi
40K· 24.85 mi
5:46:03
Rank: #28280 (+13)
24M → 40K
12:07 | 14:10/mi
25.2M
5:51:27
Rank: #28282 (-2)
40K → 25.2M
5:24 | 15:40/mi
Finish· 26.22 mi
6:05:06
Rank: #28276 (+6)
25.2M → Finish
13:39 | 13:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:57:04
Pace13:30 /mi
2nd Half
Distance13.11 mi
Time3:08:02
Pace14:21 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:0139:3712:4539:37
12:45
-
10K
6.21 mi12:44:431:21:1913:0541:42
13:25
+0:40
15K
9.32 mi13:27:142:03:5013:1742:31
13:41
+0:16
20K
12.43 mi14:11:172:47:5313:3144:03
14:11
+0:30
Half
13.11 mi14:20:282:57:0413:309:11
13:28
-0:43
25K
15.53 mi14:55:223:31:5813:3934:54
14:24
+0:56
30K
18.64 mi15:41:214:17:5713:5045:59
14:48
+0:24
20M
20.00 mi16:01:054:37:4113:5319:44
14:31
-0:17
21M
21.00 mi16:16:104:52:4613:5615:05
15:05
+0:34
35K
21.75 mi16:26:115:02:4713:5510:01
13:23
-1:42
23M
23.00 mi16:43:435:20:1913:5617:32
14:00
+0:37
24M
24.00 mi16:57:205:33:5613:5513:37
13:37
-0:23
40K
24.85 mi17:09:275:46:0313:5512:07
14:10
+0:33
25.2M
25.20 mi17:14:515:51:2713:575:24
15:40
+1:30
Finish
26.22 mi17:28:306:05:0613:5613:39
13:24
-2:16

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

12:45 /mi

Average Pace

13:56 /mi

Slowest Pace

15:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:47

35% of race

Time at Steady Pace

1:56:13

32% of race

Time at Slower Pace

2:01:06

33% of race

Average Pace: 13:55 /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 mi12:03:0139:3712:4539:37
12:45
#28362
10K
6.21 mi12:44:431:21:1913:0541:42
13:25
#28369
15K
9.32 mi13:27:142:03:5013:1742:31
13:41
#28367
20K
12.43 mi14:11:172:47:5313:3144:03
14:11
#28364
Half
13.11 mi14:20:282:57:0413:309:11
13:28
#28364
25K
15.53 mi14:55:223:31:5813:3934:54
14:24
#28358
30K
18.64 mi15:41:214:17:5713:5045:59
14:48
#28335
20M
20.00 mi16:01:054:37:4113:5319:44
14:31
#28328
21M
21.00 mi16:16:104:52:4613:5615:05
15:05
#28320
35K
21.75 mi16:26:115:02:4713:5510:01
13:23
#28308
23M
23.00 mi16:43:435:20:1913:5617:32
14:00
#28297
24M
24.00 mi16:57:205:33:5613:5513:37
13:37
#28293
40K
24.85 mi17:09:275:46:0313:5512:07
14:10
#28280
25.2M
25.20 mi17:14:515:51:2713:575:24
15:40
#28282
Finish
26.22 mi17:28:306:05:0613:5613:39
13:24
#28276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi28362160901609028326(Top 100%)16066(Top 100%)16066(Top 2514%)
10K6.21 mi3.10 mi28369-7160901609028361(Top 100%)16086(Top 100%)16086(Top 2517%)
15K9.32 mi3.11 mi28367+216089+116089+128326(Top 100%)16066(Top 100%)16066(Top 2514%)
20K12.43 mi3.11 mi28364+316086+316086+328280(Top 100%)16041(Top 100%)16041(Top 2510%)
Half13.11 mi0.68 mi2836416085+116085+128161(Top 99%)15987(Top 99%)15987(Top 2502%)
25K15.53 mi2.42 mi28358+616082+316082+328066(Top 99%)15946(Top 99%)15946(Top 2495%)
30K18.64 mi3.11 mi28335+2316069+1316069+1327947(Top 98%)15850(Top 98%)15850(Top 2480%)
20M20.00 mi1.36 mi28328+716065+416065+427649(Top 97%)15688(Top 97%)15688(Top 2455%)
21M21.00 mi1.00 mi28320+816060+516060+527231(Top 96%)15477(Top 96%)15477(Top 2422%)
35K21.75 mi0.75 mi28308+1216053+716053+727292(Top 96%)15488(Top 96%)15488(Top 2424%)
23M23.00 mi1.25 mi28297+1116047+616047+627334(Top 96%)15497(Top 96%)15497(Top 2425%)
24M24.00 mi1.00 mi28293+416045+216045+227417(Top 97%)15496(Top 96%)15496(Top 2425%)
40K24.85 mi0.85 mi28280+1316035+1016035+1027315(Top 96%)15453(Top 96%)15453(Top 2418%)
25.2M25.20 mi0.35 mi28282-216038-316038-327558(Top 97%)15576(Top 97%)15576(Top 2438%)
Finish26.22 mi1.02 mi28276+616034+416034+427826(Top 98%)15743(Top 98%)15743(Top 2464%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

28326

Males

16066

M65-69

16066

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28361

Males

16086

M65-69

16086

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

28326

Males

16066

M65-69

16066

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

28280

Males

16041

M65-69

16041

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28161

Males

15987

M65-69

15987

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28066

Males

15946

M65-69

15946

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27947

Males

15850

M65-69

15850

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27649

Males

15688

M65-69

15688

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27231

Males

15477

M65-69

15477

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27292

Males

15488

M65-69

15488

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27334

Males

15497

M65-69

15497

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27417

Males

15496

M65-69

15496

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27315

Males

15453

M65-69

15453

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27558

Males

15576

M65-69

15576

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27826

Males

15743

M65-69

15743

Passing Analysis

Category:
Athletes Passed
135
Passed By
49
Net Change
+86
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28362
5K → 10K916-7#28362#28369
10K → 15K75+2#28369#28367
15K → 20K74+3#28367#28364
20K → Half220#28364#28364
Half → 25K71+6#28364#28358
25K → 30K263+23#28358#28335
30K → 20M70+7#28335#28328
20M → 21M102+8#28328#28320
21M → 35K120+12#28320#28308
35K → 23M154+11#28308#28297
23M → 24M62+4#28297#28293
24M → 40K152+13#28293#28280
40K → 25.2M24-2#28280#28282
25.2M → Finish104+6#28282#28276
TOTALS13549+86
📊

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