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BOSTON MARATHON 2025

Jeff Duyn

Bib: 5329•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M65-69)
#0 / 639
Top 0.2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #4482
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
41:07
Rank: #4634 (-152)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:01
Rank: #4828 (-194)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:23:06
Rank: #4874 (-46)
15K → 20K
21:05 | 6:47/mi
Half· 13.11 mi
1:27:39
Rank: #4884 (-10)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:06
Rank: #4813 (+71)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:06:01
Rank: #4836 (-23)
25K → 30K
21:55 | 7:03/mi
20M
2:15:45
Rank: #4840 (-4)
30K → 20M
9:44 | 7:10/mi
21M
2:23:25
Rank: #4851 (-11)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:28:42
Rank: #4868 (-17)
21M → 35K
5:17 | 7:04/mi
23M
2:37:55
Rank: #4929 (-61)
35K → 23M
9:13 | 7:22/mi
24M
2:45:10
Rank: #4994 (-65)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:51:40
Rank: #5057 (-63)
24M → 40K
6:30 | 7:36/mi
25.2M
2:54:35
Rank: #5084 (-27)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:02:26
Rank: #5206 (-122)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0920:286:3520:28
6:35
-
10K
6.21 mi10:44:4841:076:3720:39
6:39
+0:04
15K
9.32 mi11:05:421:02:016:3920:54
6:44
+0:05
20K
12.43 mi11:26:471:23:066:4121:05
6:47
+0:03
Half
13.11 mi11:31:201:27:396:414:33
6:40
-0:07
25K
15.53 mi11:47:471:44:066:4216:27
6:47
+0:07
30K
18.64 mi12:09:422:06:016:4621:55
7:03
+0:16
20M
20.00 mi12:19:262:15:456:479:44
7:10
+0:07
21M
21.00 mi12:27:062:23:256:507:40
7:40
+0:30
35K
21.75 mi12:32:232:28:426:505:17
7:04
-0:36
23M
23.00 mi12:41:362:37:556:529:13
7:22
+0:18
24M
24.00 mi12:48:512:45:106:537:15
7:15
-0:07
40K
24.85 mi12:55:212:51:406:546:30
7:36
+0:21
25.2M
25.20 mi12:58:162:54:356:562:55
8:27
+0:51
Finish
26.22 mi13:06:073:02:266:587:51
7:42
-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

6:35 /mi

Average Pace

6:58 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:06

57% of race

Time at Steady Pace

44:11

24% of race

Time at Slower Pace

34:09

19% of race

Average Pace: 6:57 /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 mi10:24:0920:286:3520:28
6:35
#4482
10K
6.21 mi10:44:4841:076:3720:39
6:39
#4634
15K
9.32 mi11:05:421:02:016:3920:54
6:44
#4828
20K
12.43 mi11:26:471:23:066:4121:05
6:47
#4874
Half
13.11 mi11:31:201:27:396:414:33
6:40
#4884
25K
15.53 mi11:47:471:44:066:4216:27
6:47
#4813
30K
18.64 mi12:09:422:06:016:4621:55
7:03
#4836
20M
20.00 mi12:19:262:15:456:479:44
7:10
#4840
21M
21.00 mi12:27:062:23:256:507:40
7:40
#4851
35K
21.75 mi12:32:232:28:426:505:17
7:04
#4868
23M
23.00 mi12:41:362:37:556:529:13
7:22
#4929
24M
24.00 mi12:48:512:45:106:537:15
7:15
#4994
40K
24.85 mi12:55:212:51:406:546:30
7:36
#5057
25.2M
25.20 mi12:58:162:54:356:562:55
8:27
#5084
Finish
26.22 mi13:06:073:02:266:587:51
7:42
#5206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi4482421442145329(Top 19%)4917(Top 31%)4917(Top 769%)
10K6.21 mi3.10 mi4634-1524346-1324346-1324838(Top 17%)4521(Top 28%)4521(Top 708%)
15K9.32 mi3.11 mi4828-1944510-1644510-1645329(Top 19%)4917(Top 31%)4917(Top 769%)
20K12.43 mi3.11 mi4874-464542-324542-325155(Top 18%)4750(Top 29%)4750(Top 743%)
Half13.11 mi0.68 mi4884-104551-94551-94990(Top 18%)4619(Top 29%)4619(Top 723%)
25K15.53 mi2.42 mi4813+714476+754476+754750(Top 17%)4373(Top 27%)4373(Top 684%)
30K18.64 mi3.11 mi4836-234473+34473+35035(Top 18%)4567(Top 28%)4567(Top 715%)
20M20.00 mi1.36 mi4840-44480-74480-74985(Top 18%)4470(Top 28%)4470(Top 700%)
21M21.00 mi1.00 mi4851-114476+44476+45448(Top 19%)4694(Top 29%)4694(Top 735%)
35K21.75 mi0.75 mi4868-174484-84484-85727(Top 20%)4863(Top 30%)4863(Top 761%)
23M23.00 mi1.25 mi4929-614523-394523-395793(Top 20%)4841(Top 30%)4841(Top 758%)
24M24.00 mi1.00 mi4994-654566-434566-436086(Top 21%)4963(Top 31%)4963(Top 777%)
40K24.85 mi0.85 mi5057-634612-464612-467382(Top 26%)5640(Top 35%)5640(Top 883%)
25.2M25.20 mi0.35 mi5084-274630-184630-188422(Top 30%)6107(Top 38%)6107(Top 956%)
Finish26.22 mi1.02 mi5206-1224719-894719-8910677(Top 38%)7332(Top 46%)7332(Top 1147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5329

Males

4917

M65-69

4917

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4838

Males

4521

M65-69

4521

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5329

Males

4917

M65-69

4917

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5155

Males

4750

M65-69

4750

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4990

Males

4619

M65-69

4619

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4750

Males

4373

M65-69

4373

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5035

Males

4567

M65-69

4567

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4985

Males

4470

M65-69

4470

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5448

Males

4694

M65-69

4694

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5727

Males

4863

M65-69

4863

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5793

Males

4841

M65-69

4841

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

6086

Males

4963

M65-69

4963

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7382

Males

5640

M65-69

5640

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8422

Males

6107

M65-69

6107

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10677

Males

7332

M65-69

7332

Passing Analysis

Category:
Athletes Passed
934
Passed By
1658
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4482
5K → 10K99251-152#4482#4634
10K → 15K55249-194#4634#4828
15K → 20K116162-46#4828#4874
20K → Half1828-10#4874#4884
Half → 25K13766+71#4884#4813
25K → 30K154177-23#4813#4836
30K → 20M7276-4#4836#4840
20M → 21M6273-11#4840#4851
21M → 35K5168-17#4851#4868
35K → 23M65126-61#4868#4929
23M → 24M46111-65#4929#4994
24M → 40K3295-63#4994#5057
40K → 25.2M1542-27#5057#5084
25.2M → Finish12134-122#5084#5206
TOTALS9341658-724
📊

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