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BOSTON MARATHON 2025

Lars Degn

Bib: 21295•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
Division (M55-59)
#0 / 1648
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:38
Rank: #13166
Start → 5K
7:36/mi
23:38 split
10K· 6.21 mi
46:26
Rank: #11880 (+1286)
5K → 10K
7:20/mi
22:48 split
15K· 9.32 mi
1:09:53
Rank: #11962 (-82)
10K → 15K
7:33/mi
23:27 split
20K· 12.43 mi
1:33:53
Rank: #12116 (-154)
15K → 20K
7:43/mi
24:00 split
Half· 13.11 mi
1:38:59
Rank: #12071 (+45)
20K → Half
7:29/mi
5:06 split
25K· 15.53 mi
1:57:26
Rank: #11840 (+231)
Half → 25K
7:37/mi
18:27 split
30K· 18.64 mi
2:21:40
Rank: #11424 (+416)
25K → 30K
7:48/mi
24:14 split
20M
2:32:21
Rank: #11237 (+187)
30K → 20M
7:52/mi
10:41 split
21M
2:40:51
Rank: #11143 (+94)
20M → 21M
8:30/mi
8:30 split
35K· 21.75 mi
2:46:39
Rank: #11097 (+46)
21M → 35K
7:45/mi
5:48 split
23M
2:56:42
Rank: #11003 (+94)
35K → 23M
8:02/mi
10:03 split
24M
3:04:23
Rank: #10879 (+124)
23M → 24M
7:41/mi
7:41 split
40K· 24.85 mi
3:11:07
Rank: #10786 (+93)
24M → 40K
7:53/mi
6:44 split
25.2M
3:14:04
Rank: #10740 (+46)
40K → 25.2M
8:33/mi
2:57 split
Finish· 26.22 mi
3:22:18
Rank: #10826 (-86)
25.2M → Finish
8:05/mi
8:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2623:387:3623:38
7:36
-
10K
6.21 mi12:02:1446:267:2822:48
7:20
-0:16
15K
9.32 mi12:25:411:09:537:3023:27
7:33
+0:13
20K
12.43 mi12:49:411:33:537:3324:00
7:43
+0:10
Half
13.11 mi12:54:471:38:597:335:06
7:29
-0:14
25K
15.53 mi13:13:141:57:267:3418:27
7:37
+0:08
30K
18.64 mi13:37:282:21:407:3624:14
7:48
+0:11
20M
20.00 mi13:48:092:32:217:3710:41
7:52
+0:04
21M
21.00 mi13:56:392:40:517:408:30
8:30
+0:38
35K
21.75 mi14:02:272:46:397:405:48
7:45
-0:45
23M
23.00 mi14:12:302:56:427:4110:03
8:02
+0:17
24M
24.00 mi14:20:113:04:237:417:41
7:41
-0:21
40K
24.85 mi14:26:553:11:077:416:44
7:53
+0:12
25.2M
25.20 mi14:29:523:14:047:422:57
8:33
+0:40
Finish
26.22 mi14:38:063:22:187:438:14
8:05
-0:28

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

7:20 /mi

Average Pace

7:43 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:37

90% of race

Time at Steady Pace

19:41

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:39:2623:387:3623:38
7:36
#13166
10K
6.21 mi12:02:1446:267:2822:48
7:20
#11880
15K
9.32 mi12:25:411:09:537:3023:27
7:33
#11962
20K
12.43 mi12:49:411:33:537:3324:00
7:43
#12116
Half
13.11 mi12:54:471:38:597:335:06
7:29
#12071
25K
15.53 mi13:13:141:57:267:3418:27
7:37
#11840
30K
18.64 mi13:37:282:21:407:3624:14
7:48
#11424
20M
20.00 mi13:48:092:32:217:3710:41
7:52
#11237
21M
21.00 mi13:56:392:40:517:408:30
8:30
#11143
35K
21.75 mi14:02:272:46:397:405:48
7:45
#11097
23M
23.00 mi14:12:302:56:427:4110:03
8:02
#11003
24M
24.00 mi14:20:113:04:237:417:41
7:41
#10879
40K
24.85 mi14:26:553:11:077:416:44
7:53
#10786
25.2M
25.20 mi14:29:523:14:047:422:57
8:33
#10740
Finish
26.22 mi14:38:063:22:187:438:14
8:05
#10826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi131669715971512157(Top 43%)9128(Top 57%)9128(Top 554%)
10K6.21 mi3.10 mi11880+12869104+6119104+61110642(Top 37%)8482(Top 53%)8482(Top 515%)
15K9.32 mi3.11 mi11962-829116-129116-1212157(Top 43%)9128(Top 57%)9128(Top 554%)
20K12.43 mi3.11 mi12116-1549148-329148-3212613(Top 44%)9245(Top 57%)9245(Top 561%)
Half13.11 mi0.68 mi12071+459122+269122+2611439(Top 40%)8749(Top 54%)8749(Top 531%)
25K15.53 mi2.42 mi11840+2318968+1548968+15410833(Top 38%)8307(Top 52%)8307(Top 504%)
30K18.64 mi3.11 mi11424+4168705+2638705+2639936(Top 35%)7658(Top 48%)7658(Top 465%)
20M20.00 mi1.36 mi11237+1878577+1288577+1289452(Top 33%)7243(Top 45%)7243(Top 440%)
21M21.00 mi1.00 mi11143+948486+918486+9110439(Top 37%)7577(Top 47%)7577(Top 460%)
35K21.75 mi0.75 mi11097+468449+378449+3710436(Top 37%)7590(Top 47%)7590(Top 461%)
23M23.00 mi1.25 mi11003+948356+938356+9310205(Top 36%)7338(Top 46%)7338(Top 445%)
24M24.00 mi1.00 mi10879+1248262+948262+949007(Top 32%)6658(Top 41%)6658(Top 404%)
40K24.85 mi0.85 mi10786+938184+788184+789292(Top 33%)6685(Top 42%)6685(Top 406%)
25.2M25.20 mi0.35 mi10740+468153+318153+319080(Top 32%)6499(Top 40%)6499(Top 394%)
Finish26.22 mi1.02 mi10826-868154-18154-113402(Top 47%)8710(Top 54%)8710(Top 529%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12157

Males

9128

M55-59

9128

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10642

Males

8482

M55-59

8482

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12157

Males

9128

M55-59

9128

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12613

Males

9245

M55-59

9245

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11439

Males

8749

M55-59

8749

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10833

Males

8307

M55-59

8307

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9936

Males

7658

M55-59

7658

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9452

Males

7243

M55-59

7243

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

10439

Males

7577

M55-59

7577

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10436

Males

7590

M55-59

7590

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10205

Males

7338

M55-59

7338

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9007

Males

6658

M55-59

6658

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9292

Males

6685

M55-59

6685

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9080

Males

6499

M55-59

6499

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13402

Males

8710

M55-59

8710

Passing Analysis

Category:
Athletes Passed
3359
Passed By
1019
Net Change
+2340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13166
5K → 10K130418+1286#13166#11880
10K → 15K147229-82#11880#11962
15K → 20K149303-154#11962#12116
20K → Half549+45#12116#12071
Half → 25K28958+231#12071#11840
25K → 30K45539+416#11840#11424
30K → 20M21528+187#11424#11237
20M → 21M14753+94#11237#11143
21M → 35K7630+46#11143#11097
35K → 23M15056+94#11097#11003
23M → 24M14622+124#11003#10879
24M → 40K11825+93#10879#10786
40K → 25.2M5812+46#10786#10740
25.2M → Finish51137-86#10740#10826
TOTALS33591019+2340
📊

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