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BOSTON MARATHON 2025

Jeff Duyn

MD

Bib: 5329 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:35/mi
20:28
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:39/mi
41:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:44/mi
1:02:01
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:47/mi
1:23:06
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:40/mi
1:27:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:47/mi
1:44:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:03/mi
2:06:01
↑ 181↓ 1480.2%
138 ft elev
20M
7:10/mi
2:15:45
↑ 64↓ 500.2%
148 ft elev
21M
7:40/mi
2:23:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:04/mi
2:28:42
↑ 17↓ 861.7%
156 ft elev
23M
7:22/mi
2:37:55
↑ 23↓ 630.6%
116 ft elev
24M
7:15/mi
2:45:10
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:36/mi
2:51:40
↓ 200.3%
20 ft elev
25.2M
8:27/mi
2:54:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:42/mi
3:02:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:27:396:41 /mi⚡ faster
2nd Half
1:34:477:14 /mi+8.1%
Positive split — 8.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:286:353.11 mi20:28
6:35
-
10K
41:076:373.10 mi20:39
6:39
+0:04
15K
1:02:016:393.11 mi20:54
6:44
+0:05
20K
1:23:066:413.11 mi21:05
6:47
+0:03
Half(13.11 mi)
1:27:396:410.68 mi4:33
6:40
-0:07
25K
1:44:066:422.42 mi16:27
6:47
+0:07
30K
2:06:016:463.11 mi21:55
7:03
+0:16
20M
2:15:456:471.36 mi9:44
7:10
+0:07
21M
2:23:256:501.00 mi7:40
7:40
+0:30
35K
2:28:426:500.75 mi5:17
7:04
-0:36
23M
2:37:556:521.25 mi9:13
7:22
+0:18
24M
2:45:106:531.00 mi7:15
7:15
-0:07
40K
2:51:406:540.85 mi6:30
7:36
+0:21
25.2M
2:54:356:560.35 mi2:55
8:27
+0:51
Finish(26.22 mi)
3:02:266:581.02 mi7:51
7:42
-0:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:35 /mi

Average Pace

6:58 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

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

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi448242144214532949174917
10K6.21 mi3.10 mi4634-1524346-1324346-132483845214521
15K9.32 mi3.11 mi4828-1944510-1644510-164532949174917
20K12.43 mi3.11 mi4874-464542-324542-32515547504750
Half13.11 mi0.68 mi4884-104551-94551-9499046194619
25K15.53 mi2.42 mi4813+714476+754476+75475043734373
30K18.64 mi3.11 mi4836-234473+34473+3503545674567
20M20.00 mi1.36 mi4840-44480-74480-7498544704470
21M21.00 mi1.00 mi4851-114476+44476+4544846944694
35K21.75 mi0.75 mi4868-174484-84484-8572748634863
23M23.00 mi1.25 mi4929-614523-394523-39579348414841
24M24.00 mi1.00 mi4994-654566-434566-43608649634963
40K24.85 mi0.85 mi5057-634612-464612-46738256405640
25.2M25.20 mi0.35 mi5084-274630-184630-18842261076107
Finish26.22 mi1.02 mi5206-1224719-894719-891067773327332

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5329

Males

4917

M65-69

4917

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4838

Males

4521

M65-69

4521

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5329

Males

4917

M65-69

4917

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5155

Males

4750

M65-69

4750

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4990

Males

4619

M65-69

4619

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4750

Males

4373

M65-69

4373

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5035

Males

4567

M65-69

4567

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4985

Males

4470

M65-69

4470

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5448

Males

4694

M65-69

4694

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5727

Males

4863

M65-69

4863

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5793

Males

4841

M65-69

4841

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+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%
×2story building
+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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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