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BOSTON MARATHON 2025

Kevin Herremans

Bib: 8980•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M45-49)
#0 / 2386
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:17
Rank: #4041
Start → 5K
20:17 | 6:32/mi
10K· 6.21 mi
40:37
Rank: #4027 (+14)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:13
Rank: #4157 (-130)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:02
Rank: #4168 (-11)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:26:34
Rank: #4197 (-29)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:01
Rank: #4232 (-35)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:04:58
Rank: #4351 (-119)
25K → 30K
21:57 | 7:04/mi
20M
2:14:50
Rank: #4439 (-88)
30K → 20M
9:52 | 7:16/mi
21M
2:22:23
Rank: #4449 (-10)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:27:36
Rank: #4450 (-1)
21M → 35K
5:13 | 6:58/mi
23M
2:36:39
Rank: #4462 (-12)
35K → 23M
9:03 | 7:14/mi
24M
2:43:55
Rank: #4544 (-82)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:50:09
Rank: #4586 (-42)
24M → 40K
6:14 | 7:17/mi
25.2M
2:52:57
Rank: #4625 (-39)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:00:11
Rank: #4728 (-103)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:34
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:33:37
Pace7:08 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4520:176:3220:17
6:32
-
10K
6.21 mi11:06:0540:376:3220:20
6:33
+0:01
15K
9.32 mi11:26:411:01:136:3420:36
6:38
+0:05
20K
12.43 mi11:47:301:22:026:3620:49
6:42
+0:04
Half
13.11 mi11:52:021:26:346:364:32
6:39
-0:03
25K
15.53 mi12:08:291:43:016:3816:27
6:47
+0:08
30K
18.64 mi12:30:262:04:586:4221:57
7:04
+0:17
20M
20.00 mi12:40:182:14:506:449:52
7:16
+0:12
21M
21.00 mi12:47:512:22:236:477:33
7:33
+0:17
35K
21.75 mi12:53:042:27:366:475:13
6:58
-0:35
23M
23.00 mi13:02:072:36:396:499:03
7:14
+0:16
24M
24.00 mi13:09:232:43:556:507:16
7:16
+0:02
40K
24.85 mi13:15:372:50:096:516:14
7:17
+0:01
25.2M
25.20 mi13:18:252:52:576:522:48
8:07
+0:50
Finish
26.22 mi13:25:393:00:116:537:14
7:06
-1:01

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

6:32 /mi

Average Pace

6:53 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:01

57% of race

Time at Steady Pace

1:00:35

34% of race

Time at Slower Pace

16:35

9% of race

Average Pace: 6:52 /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 mi10:45:4520:176:3220:17
6:32
#4041
10K
6.21 mi11:06:0540:376:3220:20
6:33
#4027
15K
9.32 mi11:26:411:01:136:3420:36
6:38
#4157
20K
12.43 mi11:47:301:22:026:3620:49
6:42
#4168
Half
13.11 mi11:52:021:26:346:364:32
6:39
#4197
25K
15.53 mi12:08:291:43:016:3816:27
6:47
#4232
30K
18.64 mi12:30:262:04:586:4221:57
7:04
#4351
20M
20.00 mi12:40:182:14:506:449:52
7:16
#4439
21M
21.00 mi12:47:512:22:236:477:33
7:33
#4449
35K
21.75 mi12:53:042:27:366:475:13
6:58
#4450
23M
23.00 mi13:02:072:36:396:499:03
7:14
#4462
24M
24.00 mi13:09:232:43:556:507:16
7:16
#4544
40K
24.85 mi13:15:372:50:096:516:14
7:17
#4586
25.2M
25.20 mi13:18:252:52:576:522:48
8:07
#4625
Finish
26.22 mi13:25:393:00:116:537:14
7:06
#4728
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4041381138114492(Top 16%)4209(Top 26%)4209(Top 176%)
10K6.21 mi3.10 mi4027+143801+103801+104036(Top 14%)3797(Top 24%)3797(Top 159%)
15K9.32 mi3.11 mi4157-1303916-1153916-1154492(Top 16%)4209(Top 26%)4209(Top 176%)
20K12.43 mi3.11 mi4168-113922-63922-64429(Top 16%)4133(Top 26%)4133(Top 173%)
Half13.11 mi0.68 mi4197-293946-243946-244754(Top 17%)4414(Top 27%)4414(Top 185%)
25K15.53 mi2.42 mi4232-353972-263972-264740(Top 17%)4363(Top 27%)4363(Top 183%)
30K18.64 mi3.11 mi4351-1194070-984070-985093(Top 18%)4610(Top 29%)4610(Top 193%)
20M20.00 mi1.36 mi4439-884135-654135-655531(Top 19%)4856(Top 30%)4856(Top 204%)
21M21.00 mi1.00 mi4449-104129+64129+64837(Top 17%)4247(Top 26%)4247(Top 178%)
35K21.75 mi0.75 mi4450-14125+44125+45140(Top 18%)4472(Top 28%)4472(Top 187%)
23M23.00 mi1.25 mi4462-124126-14126-15015(Top 18%)4322(Top 27%)4322(Top 181%)
24M24.00 mi1.00 mi4544-824185-594185-596189(Top 22%)5021(Top 31%)5021(Top 210%)
40K24.85 mi0.85 mi4586-424215-304215-305562(Top 20%)4581(Top 28%)4581(Top 192%)
25.2M25.20 mi0.35 mi4625-394246-314246-316484(Top 23%)5013(Top 31%)5013(Top 210%)
Finish26.22 mi1.02 mi4728-1034327-814327-816332(Top 22%)4932(Top 31%)4932(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4492

Males

4209

M45-49

4209

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4036

Males

3797

M45-49

3797

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4492

Males

4209

M45-49

4209

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4429

Males

4133

M45-49

4133

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4754

Males

4414

M45-49

4414

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4740

Males

4363

M45-49

4363

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5093

Males

4610

M45-49

4610

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5531

Males

4856

M45-49

4856

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4837

Males

4247

M45-49

4247

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5140

Males

4472

M45-49

4472

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5015

Males

4322

M45-49

4322

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6189

Males

5021

M45-49

5021

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5562

Males

4581

M45-49

4581

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6484

Males

5013

M45-49

5013

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6332

Males

4932

M45-49

4932

Passing Analysis

Category:
Athletes Passed
834
Passed By
1521
Net Change
-687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4041
5K → 10K169155+14#4041#4027
10K → 15K44174-130#4027#4157
15K → 20K103114-11#4157#4168
20K → Half736-29#4168#4197
Half → 25K81116-35#4197#4232
25K → 30K103222-119#4232#4351
30K → 20M48136-88#4351#4439
20M → 21M6575-10#4439#4449
21M → 35K4647-1#4449#4450
35K → 23M6577-12#4450#4462
23M → 24M36118-82#4462#4544
24M → 40K4082-42#4544#4586
40K → 25.2M1352-39#4586#4625
25.2M → Finish14117-103#4625#4728
TOTALS8341521-687
📊

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