Boston Marathon logo
BOSTON MARATHON 2025

Mark Himmelberg

Bib: 6473•M

AR

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 42%
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
23:12
Rank: #11939
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
46:51
Rank: #12475 (-536)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:10:33
Rank: #12582 (-107)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:34:17
Rank: #12370 (+212)
15K → 20K
23:44 | 7:38/mi
Half· 13.11 mi
1:39:28
Rank: #12383 (-13)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:58:03
Rank: #12172 (+211)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:22:53
Rank: #11953 (+219)
25K → 30K
24:50 | 8:00/mi
20M
2:34:07
Rank: #11962 (-9)
30K → 20M
11:14 | 8:16/mi
21M
2:43:00
Rank: #11977 (-15)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:48:57
Rank: #11955 (+22)
21M → 35K
5:57 | 7:57/mi
23M
2:59:30
Rank: #11999 (-44)
35K → 23M
10:33 | 8:26/mi
24M
3:07:31
Rank: #11945 (+54)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:14:28
Rank: #11889 (+56)
24M → 40K
6:57 | 8:08/mi
25.2M
3:17:38
Rank: #11905 (-16)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:25:51
Rank: #11935 (-30)
25.2M → Finish
8:13 | 8:04/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:46:23
Pace8:07 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3623:127:2823:12
7:28
-
10K
6.21 mi11:18:1546:517:3223:39
7:37
+0:09
15K
9.32 mi11:41:571:10:337:3423:42
7:38
+0:01
20K
12.43 mi12:05:411:34:177:3523:44
7:38
0:00
Half
13.11 mi12:10:521:39:287:355:11
7:36
-0:02
25K
15.53 mi12:29:271:58:037:3618:35
7:40
+0:04
30K
18.64 mi12:54:172:22:537:4024:50
8:00
+0:20
20M
20.00 mi13:05:312:34:077:4211:14
8:16
+0:16
21M
21.00 mi13:14:242:43:007:468:53
8:53
+0:37
35K
21.75 mi13:20:212:48:577:465:57
7:57
-0:56
23M
23.00 mi13:30:542:59:307:4810:33
8:26
+0:29
24M
24.00 mi13:38:553:07:317:498:01
8:01
-0:25
40K
24.85 mi13:45:523:14:287:496:57
8:08
+0:07
25.2M
25.20 mi13:49:023:17:387:513:10
9:11
+1:03
Finish
26.22 mi13:57:153:25:517:518:13
8:04
-1:07

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

7:28 /mi

Average Pace

7:51 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:03

57% of race

Time at Steady Pace

53:58

26% of race

Time at Slower Pace

33:50

16% of race

Average Pace: 7:51 /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 mi10:54:3623:127:2823:12
7:28
#11939
10K
6.21 mi11:18:1546:517:3223:39
7:37
#12475
15K
9.32 mi11:41:571:10:337:3423:42
7:38
#12582
20K
12.43 mi12:05:411:34:177:3523:44
7:38
#12370
Half
13.11 mi12:10:521:39:287:355:11
7:36
#12383
25K
15.53 mi12:29:271:58:037:3618:35
7:40
#12172
30K
18.64 mi12:54:172:22:537:4024:50
8:00
#11953
20M
20.00 mi13:05:312:34:077:4211:14
8:16
#11962
21M
21.00 mi13:14:242:43:007:468:53
8:53
#11977
35K
21.75 mi13:20:212:48:577:465:57
7:57
#11955
23M
23.00 mi13:30:542:59:307:4810:33
8:26
#11999
24M
24.00 mi13:38:553:07:317:498:01
8:01
#11945
40K
24.85 mi13:45:523:14:287:496:57
8:08
#11889
25.2M
25.20 mi13:49:023:17:387:513:10
9:11
#11905
Finish
26.22 mi13:57:153:25:517:518:13
8:04
#11935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi119399145914512840(Top 45%)9445(Top 59%)9445(Top 167%)
10K6.21 mi3.10 mi12475-5369384-2399384-23913129(Top 46%)9642(Top 60%)9642(Top 171%)
15K9.32 mi3.11 mi12582-1079397-139397-1312840(Top 45%)9445(Top 59%)9445(Top 167%)
20K12.43 mi3.11 mi12370+2129263+1349263+13411856(Top 42%)8902(Top 55%)8902(Top 158%)
Half13.11 mi0.68 mi12383-139263926312499(Top 44%)9229(Top 57%)9229(Top 164%)
25K15.53 mi2.42 mi12172+2119128+1359128+13511258(Top 40%)8513(Top 53%)8513(Top 151%)
30K18.64 mi3.11 mi11953+2198950+1788950+17811320(Top 40%)8352(Top 52%)8352(Top 148%)
20M20.00 mi1.36 mi11962-98920+308920+3012241(Top 43%)8638(Top 54%)8638(Top 153%)
21M21.00 mi1.00 mi11977-158893+278893+2712797(Top 45%)8738(Top 54%)8738(Top 155%)
35K21.75 mi0.75 mi11955+228857+368857+3611899(Top 42%)8269(Top 51%)8269(Top 147%)
23M23.00 mi1.25 mi11999-448838+198838+1912828(Top 45%)8613(Top 53%)8613(Top 153%)
24M24.00 mi1.00 mi11945+548775+638775+6311332(Top 40%)7823(Top 49%)7823(Top 139%)
40K24.85 mi0.85 mi11889+568706+698706+6911070(Top 39%)7606(Top 47%)7606(Top 135%)
25.2M25.20 mi0.35 mi11905-168700+68700+612754(Top 45%)8339(Top 52%)8339(Top 148%)
Finish26.22 mi1.02 mi11935-308684+168684+1613285(Top 47%)8651(Top 54%)8651(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12840

Males

9445

M18-39

9445

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13129

Males

9642

M18-39

9642

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12840

Males

9445

M18-39

9445

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11856

Males

8902

M18-39

8902

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12499

Males

9229

M18-39

9229

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11258

Males

8513

M18-39

8513

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11320

Males

8352

M18-39

8352

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12241

Males

8638

M18-39

8638

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12797

Males

8738

M18-39

8738

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11899

Males

8269

M18-39

8269

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12828

Males

8613

M18-39

8613

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11332

Males

7823

M18-39

7823

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11070

Males

7606

M18-39

7606

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12754

Males

8339

M18-39

8339

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13285

Males

8651

M18-39

8651

Passing Analysis

Category:
Athletes Passed
1842
Passed By
1838
Net Change
+4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11939
5K → 10K90626-536#11939#12475
10K → 15K147254-107#12475#12582
15K → 20K29886+212#12582#12370
20K → Half2538-13#12370#12383
Half → 25K25948+211#12383#12172
25K → 30K351132+219#12172#11953
30K → 20M111120-9#11953#11962
20M → 21M97112-15#11962#11977
21M → 35K6846+22#11977#11955
35K → 23M95139-44#11955#11999
23M → 24M10248+54#11999#11945
24M → 40K11054+56#11945#11889
40K → 25.2M2743-16#11889#11905
25.2M → Finish6292-30#11905#11935
TOTALS18421838+4
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing