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BOSTON MARATHON 2025

Oscar Larsson

Bib: 28880•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:43
Rank: #13377
Start → 5K
23:43 | 7:38/mi
10K· 6.21 mi
46:26
Rank: #11884 (+1493)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:09:19
Rank: #11423 (+461)
10K → 15K
22:53 | 7:22/mi
20K· 12.43 mi
1:32:49
Rank: #11390 (+33)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:37:56
Rank: #11398 (-8)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:34
Rank: #11362 (+36)
Half → 25K
18:38 | 7:41/mi
30K· 18.64 mi
2:24:25
Rank: #12634 (-1272)
25K → 30K
27:51 | 8:58/mi
20M
2:39:15
Rank: #14006 (-1372)
30K → 20M
14:50 | 10:55/mi
21M
2:51:44
Rank: #15232 (-1226)
20M → 21M
12:29 | 12:29/mi
35K· 21.75 mi
3:02:00
Rank: #16403 (-1171)
21M → 35K
10:16 | 13:43/mi
23M
3:19:00
Rank: #17989 (-1586)
35K → 23M
17:00 | 13:35/mi
24M
3:31:11
Rank: #18775 (-786)
23M → 24M
12:11 | 12:11/mi
40K· 24.85 mi
3:41:55
Rank: #19312 (-537)
24M → 40K
10:44 | 12:33/mi
25.2M
3:46:33
Rank: #19503 (-191)
40K → 25.2M
4:38 | 13:26/mi
Finish· 26.22 mi
3:55:47
Rank: #19514 (-11)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:56
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time2:17:51
Pace10:31 /mi
📊Positive Split: 40.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:1923:437:3823:43
7:38
-
10K
6.21 mi12:04:0246:267:2822:43
7:19
-0:19
15K
9.32 mi12:26:551:09:197:2622:53
7:22
+0:03
20K
12.43 mi12:50:251:32:497:2823:30
7:34
+0:12
Half
13.11 mi12:55:321:37:567:285:07
7:30
-0:04
25K
15.53 mi13:14:101:56:347:3018:38
7:41
+0:11
30K
18.64 mi13:42:012:24:257:4527:51
8:58
+1:17
20M
20.00 mi13:56:512:39:157:5814:50
10:55
+1:57
21M
21.00 mi14:09:202:51:448:1112:29
12:29
+1:34
35K
21.75 mi14:19:363:02:008:2210:16
13:43
+1:14
23M
23.00 mi14:36:363:19:008:3917:00
13:35
-0:08
24M
24.00 mi14:48:473:31:118:4812:11
12:11
-1:24
40K
24.85 mi14:59:313:41:558:5610:44
12:33
+0:22
25.2M
25.20 mi15:04:093:46:338:594:38
13:26
+0:53
Finish
26.22 mi15:13:233:55:479:009:14
9:04
-4:22

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

7:19 /mi

Average Pace

9:00 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:34

49% of race

Time at Steady Pace

37:05

16% of race

Time at Slower Pace

1:22:08

35% of race

Average Pace: 9:00 /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 mi11:41:1923:437:3823:43
7:38
#13377
10K
6.21 mi12:04:0246:267:2822:43
7:19
#11884
15K
9.32 mi12:26:551:09:197:2622:53
7:22
#11423
20K
12.43 mi12:50:251:32:497:2823:30
7:34
#11390
Half
13.11 mi12:55:321:37:567:285:07
7:30
#11398
25K
15.53 mi13:14:101:56:347:3018:38
7:41
#11362
30K
18.64 mi13:42:012:24:257:4527:51
8:58
#12634
20M
20.00 mi13:56:512:39:157:5814:50
10:55
#14006
21M
21.00 mi14:09:202:51:448:1112:29
12:29
#15232
35K
21.75 mi14:19:363:02:008:2210:16
13:43
#16403
23M
23.00 mi14:36:363:19:008:3917:00
13:35
#17989
24M
24.00 mi14:48:473:31:118:4812:11
12:11
#18775
40K
24.85 mi14:59:313:41:558:5610:44
12:33
#19312
25.2M
25.20 mi15:04:093:46:338:594:38
13:26
#19503
Finish
26.22 mi15:13:233:55:479:009:14
9:04
#19514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi133779810981010540(Top 37%)8379(Top 52%)8379(Top 149%)
10K6.21 mi3.10 mi11884+14939108+7029108+70210445(Top 37%)8385(Top 52%)8385(Top 149%)
15K9.32 mi3.11 mi11423+4618856+2528856+25210540(Top 37%)8379(Top 52%)8379(Top 149%)
20K12.43 mi3.11 mi11390+338810+468810+4611280(Top 40%)8639(Top 54%)8639(Top 153%)
Half13.11 mi0.68 mi11398-88813-38813-311717(Top 41%)8927(Top 55%)8927(Top 158%)
25K15.53 mi2.42 mi11362+368760+538760+5311429(Top 40%)8595(Top 53%)8595(Top 152%)
30K18.64 mi3.11 mi12634-12729262-5029262-50217485(Top 62%)11146(Top 69%)11146(Top 198%)
20M20.00 mi1.36 mi14006-13729819-5579819-55723419(Top 82%)13722(Top 85%)13722(Top 243%)
21M21.00 mi1.00 mi15232-122610330-51110330-51124377(Top 86%)14090(Top 87%)14090(Top 250%)
35K21.75 mi0.75 mi16403-117110813-48310813-48327518(Top 97%)15580(Top 97%)15580(Top 276%)
23M23.00 mi1.25 mi17989-158611451-63811451-63826946(Top 95%)15300(Top 95%)15300(Top 271%)
24M24.00 mi1.00 mi18775-78611776-32511776-32525886(Top 91%)14738(Top 92%)14738(Top 261%)
40K24.85 mi0.85 mi19312-53711991-21511991-21525727(Top 91%)14650(Top 91%)14650(Top 260%)
25.2M25.20 mi0.35 mi19503-19112058-6712058-6725580(Top 90%)14519(Top 90%)14519(Top 257%)
Finish26.22 mi1.02 mi19514-1112044+1412044+1419325(Top 68%)11502(Top 71%)11502(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10540

Males

8379

M18-39

8379

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10445

Males

8385

M18-39

8385

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10540

Males

8379

M18-39

8379

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11280

Males

8639

M18-39

8639

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11717

Males

8927

M18-39

8927

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11429

Males

8595

M18-39

8595

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17485

Males

11146

M18-39

11146

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23419

Males

13722

M18-39

13722

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24377

Males

14090

M18-39

14090

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27518

Males

15580

M18-39

15580

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

26946

Males

15300

M18-39

15300

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25886

Males

14738

M18-39

14738

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25727

Males

14650

M18-39

14650

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25580

Males

14519

M18-39

14519

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19325

Males

11502

M18-39

11502

Passing Analysis

Category:
Athletes Passed
2565
Passed By
8702
Net Change
-6137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13377
5K → 10K150512+1493#13377#11884
10K → 15K49029+461#11884#11423
15K → 20K199166+33#11423#11390
20K → Half2634-8#11390#11398
Half → 25K175139+36#11398#11362
25K → 30K511323-1272#11362#12634
30K → 20M161388-1372#12634#14006
20M → 21M111237-1226#14006#15232
21M → 35K11172-1171#15232#16403
35K → 23M111597-1586#16403#17989
23M → 24M5791-786#17989#18775
24M → 40K14551-537#18775#19312
40K → 25.2M5196-191#19312#19503
25.2M → Finish5667-11#19503#19514
TOTALS25658702-6137
📊

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