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BOSTON MARATHON 2025

Mark Herpin

Bib: 18207•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:05
Rank: #14384
Start → 5K
24:05 | 7:45/mi
10K· 6.21 mi
48:41
Rank: #15088 (-704)
5K → 10K
24:36 | 7:55/mi
15K· 9.32 mi
1:13:03
Rank: #14958 (+130)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:38:02
Rank: #14982 (-24)
15K → 20K
24:59 | 8:02/mi
Half· 13.11 mi
1:43:27
Rank: #15006 (-24)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:03:40
Rank: #15258 (-252)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:31:01
Rank: #15517 (-259)
25K → 30K
27:21 | 8:48/mi
20M
2:43:08
Rank: #15526 (-9)
30K → 20M
12:07 | 8:55/mi
21M
2:52:41
Rank: #15551 (-25)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
2:59:04
Rank: #15556 (-5)
21M → 35K
6:23 | 8:32/mi
23M
3:10:08
Rank: #15492 (+64)
35K → 23M
11:04 | 8:50/mi
24M
3:18:37
Rank: #15437 (+55)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:25:59
Rank: #15360 (+77)
24M → 40K
7:22 | 8:37/mi
25.2M
3:29:14
Rank: #15334 (+26)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:37:37
Rank: #15291 (+43)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:27
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:54:10
Pace8:43 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5124:057:4524:05
7:45
-
10K
6.21 mi11:39:2748:417:5024:36
7:55
+0:10
15K
9.32 mi12:03:491:13:037:5024:22
7:51
-0:04
20K
12.43 mi12:28:481:38:027:5324:59
8:02
+0:11
Half
13.11 mi12:34:131:43:277:535:25
7:56
-0:06
25K
15.53 mi12:54:262:03:407:5820:13
8:20
+0:24
30K
18.64 mi13:21:472:31:018:0627:21
8:48
+0:28
20M
20.00 mi13:33:542:43:088:0912:07
8:55
+0:07
21M
21.00 mi13:43:272:52:418:139:33
9:33
+0:38
35K
21.75 mi13:49:502:59:048:146:23
8:32
-1:01
23M
23.00 mi14:00:543:10:088:1611:04
8:50
+0:18
24M
24.00 mi14:09:233:18:378:178:29
8:29
-0:21
40K
24.85 mi14:16:453:25:598:177:22
8:37
+0:08
25.2M
25.20 mi14:20:003:29:148:183:15
9:25
+0:48
Finish
26.22 mi14:28:233:37:378:188:23
8:14
-1:11

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

7:45 /mi

Average Pace

8:18 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:27

48% of race

Time at Steady Pace

50:50

23% of race

Time at Slower Pace

1:03:20

29% of race

Average Pace: 8:18 /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 mi11:14:5124:057:4524:05
7:45
#14384
10K
6.21 mi11:39:2748:417:5024:36
7:55
#15088
15K
9.32 mi12:03:491:13:037:5024:22
7:51
#14958
20K
12.43 mi12:28:481:38:027:5324:59
8:02
#14982
Half
13.11 mi12:34:131:43:277:535:25
7:56
#15006
25K
15.53 mi12:54:262:03:407:5820:13
8:20
#15258
30K
18.64 mi13:21:472:31:018:0627:21
8:48
#15517
20M
20.00 mi13:33:542:43:088:0912:07
8:55
#15526
21M
21.00 mi13:43:272:52:418:139:33
9:33
#15551
35K
21.75 mi13:49:502:59:048:146:23
8:32
#15556
23M
23.00 mi14:00:543:10:088:1611:04
8:50
#15492
24M
24.00 mi14:09:233:18:378:178:29
8:29
#15437
40K
24.85 mi14:16:453:25:598:177:22
8:37
#15360
25.2M
25.20 mi14:20:003:29:148:183:15
9:25
#15334
Finish
26.22 mi14:28:233:37:378:188:23
8:14
#15291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14384101931019314732(Top 52%)10250(Top 64%)10250(Top 622%)
10K6.21 mi3.10 mi15088-70410449-25610449-25615788(Top 56%)10732(Top 67%)10732(Top 651%)
15K9.32 mi3.11 mi14958+13010383+6610383+6614732(Top 52%)10250(Top 64%)10250(Top 622%)
20K12.43 mi3.11 mi14982-2410364+1910364+1915217(Top 54%)10414(Top 65%)10414(Top 632%)
Half13.11 mi0.68 mi15006-2410372-810372-815360(Top 54%)10497(Top 65%)10497(Top 637%)
25K15.53 mi2.42 mi15258-25210459-8710459-8716148(Top 57%)10701(Top 66%)10701(Top 649%)
30K18.64 mi3.11 mi15517-25910516-5710516-5716614(Top 58%)10755(Top 67%)10755(Top 653%)
20M20.00 mi1.36 mi15526-910496+2010496+2016321(Top 57%)10493(Top 65%)10493(Top 637%)
21M21.00 mi1.00 mi15551-2510460+3610460+3616285(Top 57%)10377(Top 64%)10377(Top 630%)
35K21.75 mi0.75 mi15556-510445+1510445+1515640(Top 55%)10008(Top 62%)10008(Top 607%)
23M23.00 mi1.25 mi15492+6410383+6210383+6215309(Top 54%)9771(Top 61%)9771(Top 593%)
24M24.00 mi1.00 mi15437+5510335+4810335+4814380(Top 51%)9324(Top 58%)9324(Top 566%)
40K24.85 mi0.85 mi15360+7710271+6410271+6414139(Top 50%)9066(Top 56%)9066(Top 550%)
25.2M25.20 mi0.35 mi15334+2610246+2510246+2514110(Top 50%)8995(Top 56%)8995(Top 546%)
Finish26.22 mi1.02 mi15291+4310206+4010206+4014434(Top 51%)9228(Top 57%)9228(Top 560%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14732

Males

10250

M55-59

10250

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15788

Males

10732

M55-59

10732

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14732

Males

10250

M55-59

10250

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15217

Males

10414

M55-59

10414

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15360

Males

10497

M55-59

10497

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16148

Males

10701

M55-59

10701

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16614

Males

10755

M55-59

10755

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16321

Males

10493

M55-59

10493

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16285

Males

10377

M55-59

10377

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15640

Males

10008

M55-59

10008

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15309

Males

9771

M55-59

9771

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14380

Males

9324

M55-59

9324

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14139

Males

9066

M55-59

9066

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14110

Males

8995

M55-59

8995

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14434

Males

9228

M55-59

9228

Passing Analysis

Category:
Athletes Passed
1614
Passed By
2521
Net Change
-907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14384
5K → 10K92796-704#14384#15088
10K → 15K272142+130#15088#14958
15K → 20K206230-24#14958#14982
20K → Half3155-24#14982#15006
Half → 25K105357-252#15006#15258
25K → 30K164423-259#15258#15517
30K → 20M113122-9#15517#15526
20M → 21M112137-25#15526#15551
21M → 35K5459-5#15551#15556
35K → 23M13773+64#15556#15492
23M → 24M9136+55#15492#15437
24M → 40K11336+77#15437#15360
40K → 25.2M4014+26#15360#15334
25.2M → Finish8441+43#15334#15291
TOTALS16142521-907
📊

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