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BOSTON MARATHON 2025

Sven Bosshart

Bib: 3197•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #4111
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
40:40
Rank: #4096 (+15)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:00
Rank: #3985 (+111)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:21:30
Rank: #3864 (+121)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:25:54
Rank: #3842 (+22)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:46
Rank: #3697 (+145)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:02:31
Rank: #3471 (+226)
25K → 30K
20:45 | 6:41/mi
20M
2:11:45
Rank: #3388 (+83)
30K → 20M
9:14 | 6:48/mi
21M
2:18:44
Rank: #3270 (+118)
20M → 21M
6:59 | 6:59/mi
35K· 21.75 mi
2:23:40
Rank: #3229 (+41)
21M → 35K
4:56 | 6:36/mi
23M
2:32:08
Rank: #3134 (+95)
35K → 23M
8:28 | 6:46/mi
24M
2:38:48
Rank: #3080 (+54)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:44:38
Rank: #3038 (+42)
24M → 40K
5:50 | 6:49/mi
25.2M
2:47:10
Rank: #3005 (+33)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:53:54
Rank: #2987 (+18)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:54
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:00
Pace6:43 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1220:196:3220:19
6:32
-
10K
6.21 mi10:42:3340:406:3320:21
6:33
+0:01
15K
9.32 mi11:02:531:01:006:3320:20
6:33
0:00
20K
12.43 mi11:23:231:21:306:3320:30
6:36
+0:03
Half
13.11 mi11:27:471:25:546:334:24
6:27
-0:09
25K
15.53 mi11:43:391:41:466:3315:52
6:33
+0:06
30K
18.64 mi12:04:242:02:316:3420:45
6:41
+0:08
20M
20.00 mi12:13:382:11:456:359:14
6:48
+0:07
21M
21.00 mi12:20:372:18:446:366:59
6:59
+0:11
35K
21.75 mi12:25:332:23:406:364:56
6:36
-0:23
23M
23.00 mi12:34:012:32:086:378:28
6:46
+0:10
24M
24.00 mi12:40:412:38:486:376:40
6:40
-0:06
40K
24.85 mi12:46:312:44:386:375:50
6:49
+0:09
25.2M
25.20 mi12:49:032:47:106:382:32
7:21
+0:32
Finish
26.22 mi12:55:472:53:546:386:44
6:36
-0:45

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

6:27 /mi

Average Pace

6:38 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:22

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:1220:196:3220:19
6:32
#4111
10K
6.21 mi10:42:3340:406:3320:21
6:33
#4096
15K
9.32 mi11:02:531:01:006:3320:20
6:33
#3985
20K
12.43 mi11:23:231:21:306:3320:30
6:36
#3864
Half
13.11 mi11:27:471:25:546:334:24
6:27
#3842
25K
15.53 mi11:43:391:41:466:3315:52
6:33
#3697
30K
18.64 mi12:04:242:02:316:3420:45
6:41
#3471
20M
20.00 mi12:13:382:11:456:359:14
6:48
#3388
21M
21.00 mi12:20:372:18:446:366:59
6:59
#3270
35K
21.75 mi12:25:332:23:406:364:56
6:36
#3229
23M
23.00 mi12:34:012:32:086:378:28
6:46
#3134
24M
24.00 mi12:40:412:38:486:376:40
6:40
#3080
40K
24.85 mi12:46:312:44:386:375:50
6:49
#3038
25.2M
25.20 mi12:49:032:47:106:382:32
7:21
#3005
Finish
26.22 mi12:55:472:53:546:386:44
6:36
#2987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4111387538753829(Top 13%)3613(Top 22%)3613(Top 64%)
10K6.21 mi3.10 mi4096+153860+153860+154059(Top 14%)3817(Top 24%)3817(Top 68%)
15K9.32 mi3.11 mi3985+1113756+1043756+1043829(Top 13%)3613(Top 22%)3613(Top 64%)
20K12.43 mi3.11 mi3864+1213641+1153641+1153669(Top 13%)3464(Top 22%)3464(Top 61%)
Half13.11 mi0.68 mi3842+223619+223619+223334(Top 12%)3160(Top 20%)3160(Top 56%)
25K15.53 mi2.42 mi3697+1453491+1283491+1283112(Top 11%)2946(Top 18%)2946(Top 52%)
30K18.64 mi3.11 mi3471+2263284+2073284+2072786(Top 10%)2636(Top 16%)2636(Top 47%)
20M20.00 mi1.36 mi3388+833205+793205+792887(Top 10%)2696(Top 17%)2696(Top 48%)
21M21.00 mi1.00 mi3270+1183092+1133092+1132195(Top 8%)2051(Top 13%)2051(Top 36%)
35K21.75 mi0.75 mi3229+413049+433049+432901(Top 10%)2673(Top 17%)2673(Top 47%)
23M23.00 mi1.25 mi3134+952962+872962+872515(Top 9%)2326(Top 14%)2326(Top 41%)
24M24.00 mi1.00 mi3080+542909+532909+532768(Top 10%)2535(Top 16%)2535(Top 45%)
40K24.85 mi0.85 mi3038+422867+422867+422931(Top 10%)2640(Top 16%)2640(Top 47%)
25.2M25.20 mi0.35 mi3005+332837+302837+302696(Top 9%)2398(Top 15%)2398(Top 43%)
Finish26.22 mi1.02 mi2987+182816+212816+213354(Top 12%)2938(Top 18%)2938(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3829

Males

3613

M18-39

3613

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4059

Males

3817

M18-39

3817

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3829

Males

3613

M18-39

3613

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3669

Males

3464

M18-39

3464

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3334

Males

3160

M18-39

3160

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3112

Males

2946

M18-39

2946

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2786

Males

2636

M18-39

2636

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2887

Males

2696

M18-39

2696

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2195

Males

2051

M18-39

2051

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2901

Males

2673

M18-39

2673

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2515

Males

2326

M18-39

2326

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2768

Males

2535

M18-39

2535

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2931

Males

2640

M18-39

2640

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2696

Males

2398

M18-39

2398

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3354

Males

2938

M18-39

2938

Passing Analysis

Category:
Athletes Passed
1511
Passed By
387
Net Change
+1124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4111
5K → 10K159144+15#4111#4096
10K → 15K15847+111#4096#3985
15K → 20K15938+121#3985#3864
20K → Half264+22#3864#3842
Half → 25K15611+145#3842#3697
25K → 30K24317+226#3697#3471
30K → 20M10522+83#3471#3388
20M → 21M1246+118#3388#3270
21M → 35K5514+41#3270#3229
35K → 23M10813+95#3229#3134
23M → 24M7420+54#3134#3080
24M → 40K5917+42#3080#3038
40K → 25.2M374+33#3038#3005
25.2M → Finish4830+18#3005#2987
TOTALS1511387+1124
📊

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