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BOSTON MARATHON 2025

Robin Guy

Bib: 10751•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M50-54)
#0 / 1996
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #6618
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:05
Rank: #6033 (+585)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:03:03
Rank: #5859 (+174)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:24:14
Rank: #5743 (+116)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:28:50
Rank: #5738 (+5)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:36
Rank: #5694 (+44)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:08:17
Rank: #5829 (-135)
25K → 30K
22:41 | 7:18/mi
20M
2:18:26
Rank: #5881 (-52)
30K → 20M
10:09 | 7:28/mi
21M
2:26:35
Rank: #5956 (-75)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:32:03
Rank: #5974 (-18)
21M → 35K
5:28 | 7:18/mi
23M
2:41:35
Rank: #5959 (+15)
35K → 23M
9:32 | 7:37/mi
24M
2:48:44
Rank: #5884 (+75)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:55:11
Rank: #5885 (-1)
24M → 40K
6:27 | 7:33/mi
25.2M
2:58:10
Rank: #5901 (-16)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:05:31
Rank: #5865 (+36)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:50
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:41
Pace7:23 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4421:156:5021:15
6:50
-
10K
6.21 mi11:08:3442:056:4620:50
6:42
-0:08
15K
9.32 mi11:29:321:03:036:4620:58
6:45
+0:03
20K
12.43 mi11:50:431:24:146:4721:11
6:49
+0:04
Half
13.11 mi11:55:191:28:506:474:36
6:45
-0:04
25K
15.53 mi12:12:051:45:366:4816:46
6:55
+0:10
30K
18.64 mi12:34:462:08:176:5322:41
7:18
+0:23
20M
20.00 mi12:44:552:18:266:5510:09
7:28
+0:10
21M
21.00 mi12:53:042:26:356:598:09
8:09
+0:41
35K
21.75 mi12:58:322:32:036:595:28
7:18
-0:51
23M
23.00 mi13:08:042:41:357:029:32
7:37
+0:19
24M
24.00 mi13:15:132:48:447:027:09
7:09
-0:28
40K
24.85 mi13:21:402:55:117:036:27
7:33
+0:24
25.2M
25.20 mi13:24:392:58:107:042:59
8:39
+1:06
Finish
26.22 mi13:32:003:05:317:057:21
7:13
-1:26

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

6:42 /mi

Average Pace

7:05 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:36

57% of race

Time at Steady Pace

52:48

28% of race

Time at Slower Pace

27:07

15% of race

Average Pace: 7:05 /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 mi10:47:4421:156:5021:15
6:50
#6618
10K
6.21 mi11:08:3442:056:4620:50
6:42
#6033
15K
9.32 mi11:29:321:03:036:4620:58
6:45
#5859
20K
12.43 mi11:50:431:24:146:4721:11
6:49
#5743
Half
13.11 mi11:55:191:28:506:474:36
6:45
#5738
25K
15.53 mi12:12:051:45:366:4816:46
6:55
#5694
30K
18.64 mi12:34:462:08:176:5322:41
7:18
#5829
20M
20.00 mi12:44:552:18:266:5510:09
7:28
#5881
21M
21.00 mi12:53:042:26:356:598:09
8:09
#5956
35K
21.75 mi12:58:322:32:036:595:28
7:18
#5974
23M
23.00 mi13:08:042:41:357:029:32
7:37
#5959
24M
24.00 mi13:15:132:48:447:027:09
7:09
#5884
40K
24.85 mi13:21:402:55:117:036:27
7:33
#5885
25.2M
25.20 mi13:24:392:58:107:042:59
8:39
#5901
Finish
26.22 mi13:32:003:05:317:057:21
7:13
#5865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6618600760075552(Top 20%)5084(Top 32%)5084(Top 255%)
10K6.21 mi3.10 mi6033+5855534+4735534+4735379(Top 19%)4971(Top 31%)4971(Top 249%)
15K9.32 mi3.11 mi5859+1745377+1575377+1575552(Top 20%)5084(Top 32%)5084(Top 255%)
20K12.43 mi3.11 mi5743+1165272+1055272+1055481(Top 19%)5008(Top 31%)5008(Top 251%)
Half13.11 mi0.68 mi5738+55266+65266+65598(Top 20%)5118(Top 32%)5118(Top 256%)
25K15.53 mi2.42 mi5694+445219+475219+475764(Top 20%)5208(Top 32%)5208(Top 261%)
30K18.64 mi3.11 mi5829-1355304-855304-856450(Top 23%)5614(Top 35%)5614(Top 281%)
20M20.00 mi1.36 mi5881-525328-245328-246780(Top 24%)5692(Top 35%)5692(Top 285%)
21M21.00 mi1.00 mi5956-755373-455373-458217(Top 29%)6368(Top 40%)6368(Top 319%)
35K21.75 mi0.75 mi5974-185375-25375-27232(Top 25%)5816(Top 36%)5816(Top 291%)
23M23.00 mi1.25 mi5959+155348+275348+277314(Top 26%)5754(Top 36%)5754(Top 288%)
24M24.00 mi1.00 mi5884+755274+745274+745491(Top 19%)4588(Top 28%)4588(Top 230%)
40K24.85 mi0.85 mi5885-15257+175257+177008(Top 25%)5426(Top 34%)5426(Top 272%)
25.2M25.20 mi0.35 mi5901-165265-85265-89599(Top 34%)6718(Top 42%)6718(Top 337%)
Finish26.22 mi1.02 mi5865+365218+475218+477083(Top 25%)5370(Top 33%)5370(Top 269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5552

Males

5084

M50-54

5084

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5379

Males

4971

M50-54

4971

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5552

Males

5084

M50-54

5084

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5481

Males

5008

M50-54

5008

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5598

Males

5118

M50-54

5118

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5764

Males

5208

M50-54

5208

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6450

Males

5614

M50-54

5614

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6780

Males

5692

M50-54

5692

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8217

Males

6368

M50-54

6368

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7232

Males

5816

M50-54

5816

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7314

Males

5754

M50-54

5754

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5491

Males

4588

M50-54

4588

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7008

Males

5426

M50-54

5426

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9599

Males

6718

M50-54

6718

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7083

Males

5370

M50-54

5370

Passing Analysis

Category:
Athletes Passed
1812
Passed By
1059
Net Change
+753
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6618
5K → 10K61126+585#6618#6033
10K → 15K23258+174#6033#5859
15K → 20K18468+116#5859#5743
20K → Half2419+5#5743#5738
Half → 25K13995+44#5738#5694
25K → 30K149284-135#5694#5829
30K → 20M55107-52#5829#5881
20M → 21M43118-75#5881#5956
21M → 35K3755-18#5956#5974
35K → 23M9176+15#5974#5959
23M → 24M9318+75#5959#5884
24M → 40K5859-1#5884#5885
40K → 25.2M2238-16#5885#5901
25.2M → Finish7438+36#5901#5865
TOTALS18121059+753
📊

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