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BOSTON MARATHON 2025

John Van Duser

Bib: 20985•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:58
Rank: #20904
Start → 5K
26:58 | 8:41/mi
10K· 6.21 mi
52:01
Rank: #19061 (+1843)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:17:08
Rank: #18242 (+819)
10K → 15K
25:07 | 8:05/mi
20K· 12.43 mi
1:42:22
Rank: #17592 (+650)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:47:51
Rank: #17510 (+82)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:07:41
Rank: #17067 (+443)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:33:06
Rank: #16298 (+769)
25K → 30K
25:25 | 8:11/mi
20M
2:44:22
Rank: #15988 (+310)
30K → 20M
11:16 | 8:17/mi
21M
2:53:00
Rank: #15672 (+316)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:59:10
Rank: #15588 (+84)
21M → 35K
6:10 | 8:15/mi
23M
3:09:53
Rank: #15425 (+163)
35K → 23M
10:43 | 8:34/mi
24M
3:18:14
Rank: #15316 (+109)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:25:24
Rank: #15197 (+119)
24M → 40K
7:10 | 8:23/mi
25.2M
3:28:33
Rank: #15139 (+58)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:36:42
Rank: #15018 (+121)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:51
Pace8:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1226:588:4126:58
8:41
-
10K
6.21 mi11:49:1552:018:2225:03
8:04
-0:37
15K
9.32 mi12:14:221:17:088:1725:07
8:05
+0:01
20K
12.43 mi12:39:361:42:228:1425:14
8:07
+0:02
Half
13.11 mi12:45:051:47:518:145:29
8:02
-0:05
25K
15.53 mi13:04:552:07:418:1319:50
8:11
+0:09
30K
18.64 mi13:30:202:33:068:1325:25
8:11
0:00
20M
20.00 mi13:41:362:44:228:1311:16
8:17
+0:06
21M
21.00 mi13:50:142:53:008:148:38
8:38
+0:21
35K
21.75 mi13:56:242:59:108:146:10
8:15
-0:23
23M
23.00 mi14:07:073:09:538:1510:43
8:34
+0:19
24M
24.00 mi14:15:283:18:148:168:21
8:21
-0:13
40K
24.85 mi14:22:383:25:248:167:10
8:23
+0:02
25.2M
25.20 mi14:25:473:28:338:173:09
9:08
+0:45
Finish
26.22 mi14:33:563:36:428:168:09
8:00
-1:08

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

8:00 /mi

Average Pace

8:16 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:33

99% of race

Time at Steady Pace

3:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:24:1226:588:4126:58
8:41
#20904
10K
6.21 mi11:49:1552:018:2225:03
8:04
#19061
15K
9.32 mi12:14:221:17:088:1725:07
8:05
#18242
20K
12.43 mi12:39:361:42:228:1425:14
8:07
#17592
Half
13.11 mi12:45:051:47:518:145:29
8:02
#17510
25K
15.53 mi13:04:552:07:418:1319:50
8:11
#17067
30K
18.64 mi13:30:202:33:068:1325:25
8:11
#16298
20M
20.00 mi13:41:362:44:228:1311:16
8:17
#15988
21M
21.00 mi13:50:142:53:008:148:38
8:38
#15672
35K
21.75 mi13:56:242:59:108:146:10
8:15
#15588
23M
23.00 mi14:07:073:09:538:1510:43
8:34
#15425
24M
24.00 mi14:15:283:18:148:168:21
8:21
#15316
40K
24.85 mi14:22:383:25:248:167:10
8:23
#15197
25.2M
25.20 mi14:25:473:28:338:173:09
9:08
#15139
Finish
26.22 mi14:33:563:36:428:168:09
8:00
#15018
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20904128181281816629(Top 59%)11062(Top 69%)11062(Top 879%)
10K6.21 mi3.10 mi19061+184312064+75412064+75416919(Top 60%)11209(Top 70%)11209(Top 890%)
15K9.32 mi3.11 mi18242+81911719+34511719+34516629(Top 59%)11062(Top 69%)11062(Top 879%)
20K12.43 mi3.11 mi17592+65011450+26911450+26915783(Top 56%)10649(Top 66%)10649(Top 846%)
Half13.11 mi0.68 mi17510+8211417+3311417+3316133(Top 57%)10806(Top 67%)10806(Top 858%)
25K15.53 mi2.42 mi17067+44311212+20511212+20515159(Top 53%)10296(Top 64%)10296(Top 818%)
30K18.64 mi3.11 mi16298+76910837+37510837+37512684(Top 45%)8998(Top 56%)8998(Top 715%)
20M20.00 mi1.36 mi15988+31010680+15710680+15712427(Top 44%)8746(Top 54%)8746(Top 695%)
21M21.00 mi1.00 mi15672+31610506+17410506+17411284(Top 40%)8028(Top 50%)8028(Top 638%)
35K21.75 mi0.75 mi15588+8410461+4510461+4513876(Top 49%)9227(Top 57%)9227(Top 733%)
23M23.00 mi1.25 mi15425+16310352+10910352+10913657(Top 48%)9000(Top 56%)9000(Top 715%)
24M24.00 mi1.00 mi15316+10910281+7110281+7113558(Top 48%)8930(Top 55%)8930(Top 709%)
40K24.85 mi0.85 mi15197+11910198+8310198+8312664(Top 45%)8370(Top 52%)8370(Top 665%)
25.2M25.20 mi0.35 mi15139+5810164+3410164+3412536(Top 44%)8264(Top 51%)8264(Top 656%)
Finish26.22 mi1.02 mi15018+12110091+7310091+7312854(Top 45%)8467(Top 53%)8467(Top 673%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16629

Males

11062

M60-64

11062

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16919

Males

11209

M60-64

11209

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16629

Males

11062

M60-64

11062

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15783

Males

10649

M60-64

10649

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16133

Males

10806

M60-64

10806

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15159

Males

10296

M60-64

10296

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12684

Males

8998

M60-64

8998

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12427

Males

8746

M60-64

8746

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11284

Males

8028

M60-64

8028

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13876

Males

9227

M60-64

9227

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13657

Males

9000

M60-64

9000

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13558

Males

8930

M60-64

8930

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12664

Males

8370

M60-64

8370

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12536

Males

8264

M60-64

8264

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12854

Males

8467

M60-64

8467

Passing Analysis

Category:
Athletes Passed
6063
Passed By
177
Net Change
+5886
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20904
5K → 10K18496+1843#20904#19061
10K → 15K83314+819#19061#18242
15K → 20K6599+650#18242#17592
20K → Half886+82#17592#17510
Half → 25K45714+443#17510#17067
25K → 30K7734+769#17067#16298
30K → 20M3155+310#16298#15988
20M → 21M3215+316#15988#15672
21M → 35K10016+84#15672#15588
35K → 23M19229+163#15588#15425
23M → 24M13122+109#15425#15316
24M → 40K12910+119#15316#15197
40K → 25.2M7214+58#15197#15139
25.2M → Finish14423+121#15139#15018
TOTALS6063177+5886
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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