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BOSTON MARATHON 2025

Brent Clermont

Bib: 8660•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:59
Rank: #8426
Start → 5K
21:59 | 7:05/mi
10K· 6.21 mi
43:33
Rank: #7918 (+508)
5K → 10K
21:34 | 6:56/mi
15K· 9.32 mi
1:05:07
Rank: #7664 (+254)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:27:15
Rank: #7626 (+38)
15K → 20K
22:08 | 7:07/mi
Half· 13.11 mi
1:32:01
Rank: #7618 (+8)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:49:32
Rank: #7593 (+25)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:14:23
Rank: #8098 (-505)
25K → 30K
24:51 | 8:00/mi
20M
2:26:29
Rank: #8737 (-639)
30K → 20M
12:06 | 8:54/mi
21M
2:35:56
Rank: #9202 (-465)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
2:42:19
Rank: #9432 (-230)
21M → 35K
6:23 | 8:32/mi
23M
2:53:59
Rank: #10046 (-614)
35K → 23M
11:40 | 9:19/mi
24M
3:03:31
Rank: #10594 (-548)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
3:11:20
Rank: #10850 (-256)
24M → 40K
7:49 | 9:09/mi
25.2M
3:14:41
Rank: #10925 (-75)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:23:15
Rank: #11102 (-177)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:01
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:51:14
Pace8:29 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2821:597:0521:59
7:05
-
10K
6.21 mi11:09:0243:337:0121:34
6:56
-0:09
15K
9.32 mi11:30:361:05:076:5921:34
6:56
0:00
20K
12.43 mi11:52:441:27:157:0122:08
7:07
+0:11
Half
13.11 mi11:57:301:32:017:014:46
6:59
-0:08
25K
15.53 mi12:15:011:49:327:0317:31
7:13
+0:14
30K
18.64 mi12:39:522:14:237:1324:51
8:00
+0:47
20M
20.00 mi12:51:582:26:297:1912:06
8:54
+0:54
21M
21.00 mi13:01:252:35:567:269:27
9:27
+0:33
35K
21.75 mi13:07:482:42:197:286:23
8:32
-0:55
23M
23.00 mi13:19:282:53:597:3411:40
9:19
+0:47
24M
24.00 mi13:29:003:03:317:399:32
9:32
+0:13
40K
24.85 mi13:36:493:11:207:427:49
9:09
-0:23
25.2M
25.20 mi13:40:103:14:417:443:21
9:43
+0:34
Finish
26.22 mi13:48:443:23:157:458:34
8:24
-1:19

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

6:56 /mi

Average Pace

7:45 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:32

54% of race

Time at Steady Pace

51:54

26% of race

Time at Slower Pace

41:49

21% of race

Average Pace: 7:45 /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 mi10:47:2821:597:0521:59
7:05
#8426
10K
6.21 mi11:09:0243:337:0121:34
6:56
#7918
15K
9.32 mi11:30:361:05:076:5921:34
6:56
#7664
20K
12.43 mi11:52:441:27:157:0122:08
7:07
#7626
Half
13.11 mi11:57:301:32:017:014:46
6:59
#7618
25K
15.53 mi12:15:011:49:327:0317:31
7:13
#7593
30K
18.64 mi12:39:522:14:237:1324:51
8:00
#8098
20M
20.00 mi12:51:582:26:297:1912:06
8:54
#8737
21M
21.00 mi13:01:252:35:567:269:27
9:27
#9202
35K
21.75 mi13:07:482:42:197:286:23
8:32
#9432
23M
23.00 mi13:19:282:53:597:3411:40
9:19
#10046
24M
24.00 mi13:29:003:03:317:399:32
9:32
#10594
40K
24.85 mi13:36:493:11:207:427:49
9:09
#10850
25.2M
25.20 mi13:40:103:14:417:443:21
9:43
#10925
Finish
26.22 mi13:48:443:23:157:458:34
8:24
#11102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8426726772677251(Top 26%)6439(Top 40%)6439(Top 287%)
10K6.21 mi3.10 mi7918+5086927+3406927+3407557(Top 27%)6685(Top 42%)6685(Top 298%)
15K9.32 mi3.11 mi7664+2546751+1766751+1767251(Top 26%)6439(Top 40%)6439(Top 287%)
20K12.43 mi3.11 mi7626+386713+386713+387667(Top 27%)6658(Top 41%)6658(Top 296%)
Half13.11 mi0.68 mi7618+86706+76706+77509(Top 26%)6599(Top 41%)6599(Top 294%)
25K15.53 mi2.42 mi7593+256670+366670+367784(Top 27%)6631(Top 41%)6631(Top 295%)
30K18.64 mi3.11 mi8098-5056925-2556925-25511354(Top 40%)8365(Top 52%)8365(Top 372%)
20M20.00 mi1.36 mi8737-6397280-3557280-35516226(Top 57%)10443(Top 65%)10443(Top 465%)
21M21.00 mi1.00 mi9202-4657515-2357515-23515827(Top 56%)10165(Top 63%)10165(Top 452%)
35K21.75 mi0.75 mi9432-2307621-1067621-10615614(Top 55%)9982(Top 62%)9982(Top 444%)
23M23.00 mi1.25 mi10046-6147889-2687889-26817824(Top 63%)10873(Top 68%)10873(Top 484%)
24M24.00 mi1.00 mi10594-5488126-2378126-23719709(Top 69%)11719(Top 73%)11719(Top 522%)
40K24.85 mi0.85 mi10850-2568209-838209-8317043(Top 60%)10384(Top 64%)10384(Top 462%)
25.2M25.20 mi0.35 mi10925-758230-218230-2115596(Top 55%)9662(Top 60%)9662(Top 430%)
Finish26.22 mi1.02 mi11102-1778274-448274-4415576(Top 55%)9730(Top 60%)9730(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7251

Males

6439

M40-44

6439

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7557

Males

6685

M40-44

6685

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7251

Males

6439

M40-44

6439

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7667

Males

6658

M40-44

6658

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7509

Males

6599

M40-44

6599

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7784

Males

6631

M40-44

6631

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11354

Males

8365

M40-44

8365

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16226

Males

10443

M40-44

10443

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15827

Males

10165

M40-44

10165

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15614

Males

9982

M40-44

9982

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17824

Males

10873

M40-44

10873

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19709

Males

11719

M40-44

11719

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17043

Males

10384

M40-44

10384

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15596

Males

9662

M40-44

9662

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15576

Males

9730

M40-44

9730

Passing Analysis

Category:
Athletes Passed
1402
Passed By
4075
Net Change
-2676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8426
5K → 10K56860+508#8426#7918
10K → 15K28834+254#7918#7664
15K → 20K160122+38#7664#7626
20K → Half2921+8#7626#7618
Half → 25K12499+25#7618#7593
25K → 30K76581-505#7593#8098
30K → 20M19658-639#8098#8737
20M → 21M19484-465#8737#9202
21M → 35K18248-230#9202#9432
35K → 23M16628-614#9432#10046
23M → 24M16563-548#10046#10594
24M → 40K23279-256#10594#10850
40K → 25.2M2095-75#10850#10925
25.2M → Finish26203-177#10925#11102
TOTALS14024075-2676
📊

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