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BOSTON MARATHON 2025

Brian Robillard

Bib: 2121•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:19
Rank: #6757
Start → 5K
21:19 | 6:52/mi
10K· 6.21 mi
42:28
Rank: #6606 (+151)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:42
Rank: #6511 (+95)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:49
Rank: #6160 (+351)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:29:19
Rank: #6060 (+100)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:45:51
Rank: #5833 (+227)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:07:07
Rank: #5322 (+511)
25K → 30K
21:16 | 6:51/mi
20M
2:16:30
Rank: #5134 (+188)
30K → 20M
9:23 | 6:54/mi
21M
2:23:44
Rank: #4973 (+161)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:28:37
Rank: #4838 (+135)
21M → 35K
4:53 | 6:32/mi
23M
2:36:55
Rank: #4556 (+282)
35K → 23M
8:18 | 6:38/mi
24M
2:43:24
Rank: #4377 (+179)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:48:53
Rank: #4178 (+199)
24M → 40K
5:29 | 6:25/mi
25.2M
2:51:14
Rank: #4090 (+88)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:57:25
Rank: #3867 (+223)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:19
Pace6:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:06
Pace6:43 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0721:196:5221:19
6:52
-
10K
6.21 mi10:43:1642:286:5021:09
6:48
-0:04
15K
9.32 mi11:04:301:03:426:5021:14
6:50
+0:02
20K
12.43 mi11:25:371:24:496:4921:07
6:48
-0:02
Half
13.11 mi11:30:071:29:196:494:30
6:36
-0:12
25K
15.53 mi11:46:391:45:516:4916:32
6:49
+0:13
30K
18.64 mi12:07:552:07:076:4921:16
6:51
+0:02
20M
20.00 mi12:17:182:16:306:499:23
6:54
+0:03
21M
21.00 mi12:24:322:23:446:517:14
7:14
+0:20
35K
21.75 mi12:29:252:28:376:504:53
6:32
-0:42
23M
23.00 mi12:37:432:36:556:498:18
6:38
+0:06
24M
24.00 mi12:44:122:43:246:496:29
6:29
-0:09
40K
24.85 mi12:49:412:48:536:485:29
6:25
-0:04
25.2M
25.20 mi12:52:022:51:146:482:21
6:49
+0:24
Finish
26.22 mi12:58:132:57:256:466:11
6:04
-0:45

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

6:04 /mi

Average Pace

6:46 /mi

Slowest Pace

7:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:50

20% of race

Time at Steady Pace

2:14:21

76% of race

Time at Slower Pace

7:14

4% of race

Average Pace: 6:46 /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 mi10:22:0721:196:5221:19
6:52
#6757
10K
6.21 mi10:43:1642:286:5021:09
6:48
#6606
15K
9.32 mi11:04:301:03:426:5021:14
6:50
#6511
20K
12.43 mi11:25:371:24:496:4921:07
6:48
#6160
Half
13.11 mi11:30:071:29:196:494:30
6:36
#6060
25K
15.53 mi11:46:391:45:516:4916:32
6:49
#5833
30K
18.64 mi12:07:552:07:076:4921:16
6:51
#5322
20M
20.00 mi12:17:182:16:306:499:23
6:54
#5134
21M
21.00 mi12:24:322:23:446:517:14
7:14
#4973
35K
21.75 mi12:29:252:28:376:504:53
6:32
#4838
23M
23.00 mi12:37:432:36:556:498:18
6:38
#4556
24M
24.00 mi12:44:122:43:246:496:29
6:29
#4377
40K
24.85 mi12:49:412:48:536:485:29
6:25
#4178
25.2M
25.20 mi12:52:022:51:146:482:21
6:49
#4090
Finish
26.22 mi12:58:132:57:256:466:11
6:04
#3867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6757612261226411(Top 23%)5794(Top 36%)5794(Top 103%)
10K6.21 mi3.10 mi6606+1515992+1305992+1306441(Top 23%)5829(Top 36%)5829(Top 103%)
15K9.32 mi3.11 mi6511+955895+975895+976411(Top 23%)5794(Top 36%)5794(Top 103%)
20K12.43 mi3.11 mi6160+3515613+2825613+2825244(Top 18%)4819(Top 30%)4819(Top 85%)
Half13.11 mi0.68 mi6060+1005531+825531+824304(Top 15%)4026(Top 25%)4026(Top 71%)
25K15.53 mi2.42 mi5833+2275328+2035328+2034994(Top 18%)4581(Top 28%)4581(Top 81%)
30K18.64 mi3.11 mi5322+5114887+4414887+4413706(Top 13%)3428(Top 21%)3428(Top 61%)
20M20.00 mi1.36 mi5134+1884718+1694718+1693534(Top 12%)3256(Top 20%)3256(Top 58%)
21M21.00 mi1.00 mi4973+1614580+1384580+1383270(Top 12%)3008(Top 19%)3008(Top 53%)
35K21.75 mi0.75 mi4838+1354459+1214459+1212600(Top 9%)2419(Top 15%)2419(Top 43%)
23M23.00 mi1.25 mi4556+2824202+2574202+2571951(Top 7%)1822(Top 11%)1822(Top 32%)
24M24.00 mi1.00 mi4377+1794042+1604042+1601976(Top 7%)1833(Top 11%)1833(Top 32%)
40K24.85 mi0.85 mi4178+1993860+1823860+1821304(Top 5%)1211(Top 8%)1211(Top 21%)
25.2M25.20 mi0.35 mi4090+883779+813779+811042(Top 4%)960(Top 6%)960(Top 17%)
Finish26.22 mi1.02 mi3867+2233578+2013578+2011104(Top 4%)1034(Top 6%)1034(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6411

Males

5794

M18-39

5794

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6441

Males

5829

M18-39

5829

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6411

Males

5794

M18-39

5794

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5244

Males

4819

M18-39

4819

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4304

Males

4026

M18-39

4026

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4994

Males

4581

M18-39

4581

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3706

Males

3428

M18-39

3428

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3534

Males

3256

M18-39

3256

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3270

Males

3008

M18-39

3008

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2600

Males

2419

M18-39

2419

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1951

Males

1822

M18-39

1822

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1976

Males

1833

M18-39

1833

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1304

Males

1211

M18-39

1211

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1042

Males

960

M18-39

960

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1104

Males

1034

M18-39

1034

Passing Analysis

Category:
Athletes Passed
3185
Passed By
295
Net Change
+2890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6757
5K → 10K274123+151#6757#6606
10K → 15K207112+95#6606#6511
15K → 20K3609+351#6511#6160
20K → Half1000+100#6160#6060
Half → 25K25225+227#6060#5833
25K → 30K5143+511#5833#5322
30K → 20M1902+188#5322#5134
20M → 21M17615+161#5134#4973
21M → 35K1361+135#4973#4838
35K → 23M2831+282#4838#4556
23M → 24M1812+179#4556#4377
24M → 40K2012+199#4377#4178
40K → 25.2M880+88#4178#4090
25.2M → Finish2230+223#4090#3867
TOTALS3185295+2890
📊

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