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BOSTON MARATHON 2025

Martin Heimburger

Bib: 32435•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
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
23:54
Rank: #13904
Start → 5K
23:54 | 7:42/mi
10K· 6.21 mi
47:53
Rank: #13950 (-46)
5K → 10K
23:59 | 7:43/mi
15K· 9.32 mi
1:11:46
Rank: #13735 (+215)
10K → 15K
23:53 | 7:41/mi
20K· 12.43 mi
1:35:53
Rank: #13499 (+236)
15K → 20K
24:07 | 7:46/mi
Half· 13.11 mi
1:41:11
Rank: #13527 (-28)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:00:49
Rank: #13690 (-163)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:27:02
Rank: #13782 (-92)
25K → 30K
26:13 | 8:26/mi
20M
2:38:46
Rank: #13813 (-31)
30K → 20M
11:44 | 8:38/mi
21M
2:47:40
Rank: #13735 (+78)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:53:48
Rank: #13712 (+23)
21M → 35K
6:08 | 8:12/mi
23M
3:04:39
Rank: #13742 (-30)
35K → 23M
10:51 | 8:40/mi
24M
3:13:06
Rank: #13763 (-21)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:20:30
Rank: #13772 (-9)
24M → 40K
7:24 | 8:39/mi
25.2M
3:24:06
Rank: #13881 (-109)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:33:10
Rank: #14077 (-196)
25.2M → Finish
9:04 | 8:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:51:59
Pace8:33 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5923:547:4223:54
7:42
-
10K
6.21 mi12:11:5847:537:4223:59
7:43
+0:01
15K
9.32 mi12:35:511:11:467:4223:53
7:41
-0:02
20K
12.43 mi12:59:581:35:537:4324:07
7:46
+0:05
Half
13.11 mi13:05:161:41:117:435:18
7:46
0:00
25K
15.53 mi13:24:542:00:497:4719:38
8:06
+0:20
30K
18.64 mi13:51:072:27:027:5326:13
8:26
+0:20
20M
20.00 mi14:02:512:38:467:5611:44
8:38
+0:12
21M
21.00 mi14:11:452:47:407:598:54
8:54
+0:16
35K
21.75 mi14:17:532:53:487:596:08
8:12
-0:42
23M
23.00 mi14:28:443:04:398:0210:51
8:40
+0:28
24M
24.00 mi14:37:113:13:068:038:27
8:27
-0:13
40K
24.85 mi14:44:353:20:308:047:24
8:39
+0:12
25.2M
25.20 mi14:48:113:24:068:063:36
10:26
+1:47
Finish
26.22 mi14:57:153:33:108:089:04
8:54
-1:32

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

7:41 /mi

Average Pace

8:08 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:11

47% of race

Time at Steady Pace

1:30:25

42% of race

Time at Slower Pace

21:34

10% of race

Average Pace: 8:08 /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 mi11:47:5923:547:4223:54
7:42
#13904
10K
6.21 mi12:11:5847:537:4223:59
7:43
#13950
15K
9.32 mi12:35:511:11:467:4223:53
7:41
#13735
20K
12.43 mi12:59:581:35:537:4324:07
7:46
#13499
Half
13.11 mi13:05:161:41:117:435:18
7:46
#13527
25K
15.53 mi13:24:542:00:497:4719:38
8:06
#13690
30K
18.64 mi13:51:072:27:027:5326:13
8:26
#13782
20M
20.00 mi14:02:512:38:467:5611:44
8:38
#13813
21M
21.00 mi14:11:452:47:407:598:54
8:54
#13735
35K
21.75 mi14:17:532:53:487:596:08
8:12
#13712
23M
23.00 mi14:28:443:04:398:0210:51
8:40
#13742
24M
24.00 mi14:37:113:13:068:038:27
8:27
#13763
40K
24.85 mi14:44:353:20:308:047:24
8:39
#13772
25.2M
25.20 mi14:48:113:24:068:063:36
10:26
#13881
Finish
26.22 mi14:57:153:33:108:089:04
8:54
#14077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13904100201002013360(Top 47%)9663(Top 60%)9663(Top 171%)
10K6.21 mi3.10 mi13950-4610001+1910001+1914058(Top 49%)10028(Top 62%)10028(Top 178%)
15K9.32 mi3.11 mi13735+2159878+1239878+12313360(Top 47%)9663(Top 60%)9663(Top 171%)
20K12.43 mi3.11 mi13499+2369733+1459733+14512954(Top 46%)9399(Top 58%)9399(Top 167%)
Half13.11 mi0.68 mi13527-289742-99742-913940(Top 49%)9884(Top 61%)9884(Top 175%)
25K15.53 mi2.42 mi13690-1639785-439785-4314607(Top 51%)10022(Top 62%)10022(Top 178%)
30K18.64 mi3.11 mi13782-929759+269759+2614375(Top 51%)9765(Top 61%)9765(Top 173%)
20M20.00 mi1.36 mi13813-319738+219738+2114610(Top 51%)9733(Top 60%)9733(Top 173%)
21M21.00 mi1.00 mi13735+789675+639675+6312908(Top 45%)8808(Top 55%)8808(Top 156%)
35K21.75 mi0.75 mi13712+239644+319644+3113589(Top 48%)9082(Top 56%)9082(Top 161%)
23M23.00 mi1.25 mi13742-309622+229622+2214324(Top 50%)9311(Top 58%)9311(Top 165%)
24M24.00 mi1.00 mi13763-219598+249598+2414187(Top 50%)9229(Top 57%)9229(Top 164%)
40K24.85 mi0.85 mi13772-99568+309568+3014356(Top 51%)9155(Top 57%)9155(Top 162%)
25.2M25.20 mi0.35 mi13881-1099604-369604-3618725(Top 66%)11169(Top 69%)11169(Top 198%)
Finish26.22 mi1.02 mi14077-1969681-779681-7718493(Top 65%)11111(Top 69%)11111(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13360

Males

9663

M18-39

9663

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

14058

Males

10028

M18-39

10028

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13360

Males

9663

M18-39

9663

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12954

Males

9399

M18-39

9399

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13940

Males

9884

M18-39

9884

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14607

Males

10022

M18-39

10022

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14375

Males

9765

M18-39

9765

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14610

Males

9733

M18-39

9733

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12908

Males

8808

M18-39

8808

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13589

Males

9082

M18-39

9082

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14324

Males

9311

M18-39

9311

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14187

Males

9229

M18-39

9229

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14356

Males

9155

M18-39

9155

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18725

Males

11169

M18-39

11169

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18493

Males

11111

M18-39

11111

Passing Analysis

Category:
Athletes Passed
1873
Passed By
2046
Net Change
-173
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13904
5K → 10K247293-46#13904#13950
10K → 15K31095+215#13950#13735
15K → 20K31882+236#13735#13499
20K → Half2149-28#13499#13527
Half → 25K142305-163#13527#13690
25K → 30K212304-92#13690#13782
30K → 20M108139-31#13782#13813
20M → 21M14466+78#13813#13735
21M → 35K6441+23#13735#13712
35K → 23M107137-30#13712#13742
23M → 24M79100-21#13742#13763
24M → 40K8493-9#13763#13772
40K → 25.2M13122-109#13772#13881
25.2M → Finish24220-196#13881#14077
TOTALS18732046-173
📊

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