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BOSTON MARATHON 2025

Bruno Guillain

Bib: 14096•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:22
Rank: #21550
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
55:42
Rank: #22276 (-726)
5K → 10K
28:20 | 9:07/mi
15K· 9.32 mi
1:23:45
Rank: #22218 (+58)
10K → 15K
28:03 | 9:02/mi
20K· 12.43 mi
1:52:32
Rank: #22182 (+36)
15K → 20K
28:47 | 9:16/mi
Half· 13.11 mi
1:58:45
Rank: #22172 (+10)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:21:13
Rank: #21968 (+204)
Half → 25K
22:28 | 9:16/mi
30K· 18.64 mi
2:51:51
Rank: #21843 (+125)
25K → 30K
30:38 | 9:52/mi
20M
3:05:50
Rank: #21838 (+5)
30K → 20M
13:59 | 10:17/mi
21M
3:17:22
Rank: #21911 (-73)
20M → 21M
11:32 | 11:32/mi
35K· 21.75 mi
3:24:33
Rank: #21851 (+60)
21M → 35K
7:11 | 9:36/mi
23M
3:36:47
Rank: #21701 (+150)
35K → 23M
12:14 | 9:46/mi
24M
3:46:24
Rank: #21631 (+70)
23M → 24M
9:37 | 9:37/mi
40K· 24.85 mi
3:54:56
Rank: #21567 (+64)
24M → 40K
8:32 | 9:59/mi
25.2M
3:58:35
Rank: #21538 (+29)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:08:47
Rank: #21583 (-45)
25.2M → Finish
10:12 | 10:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:45
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:10:02
Pace9:55 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1027:228:4927:22
8:49
-
10K
6.21 mi11:48:3055:428:5828:20
9:07
+0:18
15K
9.32 mi12:16:331:23:458:5928:03
9:02
-0:05
20K
12.43 mi12:45:201:52:329:0328:47
9:16
+0:14
Half
13.11 mi12:51:331:58:459:036:13
9:07
-0:09
25K
15.53 mi13:14:012:21:139:0522:28
9:16
+0:09
30K
18.64 mi13:44:392:51:519:1330:38
9:52
+0:36
20M
20.00 mi13:58:383:05:509:1713:59
10:17
+0:25
21M
21.00 mi14:10:103:17:229:2411:32
11:32
+1:15
35K
21.75 mi14:17:213:24:339:247:11
9:36
-1:56
23M
23.00 mi14:29:353:36:479:2612:14
9:46
+0:10
24M
24.00 mi14:39:123:46:249:269:37
9:37
-0:09
40K
24.85 mi14:47:443:54:569:278:32
9:59
+0:22
25.2M
25.20 mi14:51:233:58:359:283:39
10:35
+0:36
Finish
26.22 mi15:01:354:08:479:3010:12
10:01
-0:34

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

8:49 /mi

Average Pace

9:30 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:13

57% of race

Time at Steady Pace

59:40

24% of race

Time at Slower Pace

47:54

19% of race

Average Pace: 9:29 /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 mi11:20:1027:228:4927:22
8:49
#21550
10K
6.21 mi11:48:3055:428:5828:20
9:07
#22276
15K
9.32 mi12:16:331:23:458:5928:03
9:02
#22218
20K
12.43 mi12:45:201:52:329:0328:47
9:16
#22182
Half
13.11 mi12:51:331:58:459:036:13
9:07
#22172
25K
15.53 mi13:14:012:21:139:0522:28
9:16
#21968
30K
18.64 mi13:44:392:51:519:1330:38
9:52
#21843
20M
20.00 mi13:58:383:05:509:1713:59
10:17
#21838
21M
21.00 mi14:10:103:17:229:2411:32
11:32
#21911
35K
21.75 mi14:17:213:24:339:247:11
9:36
#21851
23M
23.00 mi14:29:353:36:479:2612:14
9:46
#21701
24M
24.00 mi14:39:123:46:249:269:37
9:37
#21631
40K
24.85 mi14:47:443:54:569:278:32
9:59
#21567
25.2M
25.20 mi14:51:233:58:359:283:39
10:35
#21538
Finish
26.22 mi15:01:354:08:479:3010:12
10:01
#21583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21550131061310622157(Top 78%)13455(Top 84%)13455(Top 674%)
10K6.21 mi3.10 mi22276-72613443-33713443-33722887(Top 81%)13761(Top 85%)13761(Top 689%)
15K9.32 mi3.11 mi22218+5813448-513448-522157(Top 78%)13455(Top 84%)13455(Top 674%)
20K12.43 mi3.11 mi22182+3613427+2113427+2122149(Top 78%)13422(Top 83%)13422(Top 672%)
Half13.11 mi0.68 mi22172+1013423+413423+422234(Top 78%)13435(Top 83%)13435(Top 673%)
25K15.53 mi2.42 mi21968+20413325+9813325+9821037(Top 74%)12865(Top 80%)12865(Top 645%)
30K18.64 mi3.11 mi21843+12513250+7513250+7521185(Top 75%)12797(Top 79%)12797(Top 641%)
20M20.00 mi1.36 mi21838+513233+1713233+1721831(Top 77%)12968(Top 81%)12968(Top 650%)
21M21.00 mi1.00 mi21911-7313238-513238-522665(Top 80%)13276(Top 82%)13276(Top 665%)
35K21.75 mi0.75 mi21851+6013197+4113197+4120675(Top 73%)12287(Top 76%)12287(Top 616%)
23M23.00 mi1.25 mi21701+15013097+10013097+10019688(Top 69%)11762(Top 73%)11762(Top 589%)
24M24.00 mi1.00 mi21631+7013047+5013047+5020056(Top 71%)11896(Top 74%)11896(Top 596%)
40K24.85 mi0.85 mi21567+6412999+4812999+4820411(Top 72%)11996(Top 74%)11996(Top 601%)
25.2M25.20 mi0.35 mi21538+2912978+2112978+2119291(Top 68%)11450(Top 71%)11450(Top 574%)
Finish26.22 mi1.02 mi21583-4512980-212980-222954(Top 81%)13249(Top 82%)13249(Top 664%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22157

Males

13455

M50-54

13455

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

22887

Males

13761

M50-54

13761

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22157

Males

13455

M50-54

13455

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22149

Males

13422

M50-54

13422

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22234

Males

13435

M50-54

13435

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21037

Males

12865

M50-54

12865

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21185

Males

12797

M50-54

12797

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21831

Males

12968

M50-54

12968

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22665

Males

13276

M50-54

13276

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20675

Males

12287

M50-54

12287

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19688

Males

11762

M50-54

11762

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20056

Males

11896

M50-54

11896

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20411

Males

11996

M50-54

11996

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19291

Males

11450

M50-54

11450

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22954

Males

13249

M50-54

13249

Passing Analysis

Category:
Athletes Passed
1659
Passed By
1692
Net Change
-33
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21550
5K → 10K64790-726#21550#22276
10K → 15K211153+58#22276#22218
15K → 20K200164+36#22218#22182
20K → Half3828+10#22182#22172
Half → 25K25450+204#22172#21968
25K → 30K260135+125#21968#21843
30K → 20M9590+5#21843#21838
20M → 21M53126-73#21838#21911
21M → 35K7414+60#21911#21851
35K → 23M16111+150#21851#21701
23M → 24M8818+70#21701#21631
24M → 40K8723+64#21631#21567
40K → 25.2M4011+29#21567#21538
25.2M → Finish3479-45#21538#21583
TOTALS16591692-33
📊

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