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BOSTON MARATHON 2025

Norman Jen

Bib: 23261•M

NY

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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:25
Rank: #21632
Start → 5K
27:25 | 8:49/mi
10K· 6.21 mi
54:53
Rank: #21614 (+18)
5K → 10K
27:28 | 8:50/mi
15K· 9.32 mi
1:22:04
Rank: #21288 (+326)
10K → 15K
27:11 | 8:45/mi
20K· 12.43 mi
1:49:40
Rank: #21042 (+246)
15K → 20K
27:36 | 8:53/mi
Half· 13.11 mi
1:55:34
Rank: #20999 (+43)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:17:04
Rank: #20728 (+271)
Half → 25K
21:30 | 8:52/mi
30K· 18.64 mi
2:46:24
Rank: #20508 (+220)
25K → 30K
29:20 | 9:26/mi
20M
2:59:09
Rank: #20359 (+149)
30K → 20M
12:45 | 9:23/mi
21M
3:08:49
Rank: #20160 (+199)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:15:40
Rank: #20100 (+60)
21M → 35K
6:51 | 9:09/mi
23M
3:27:21
Rank: #19993 (+107)
35K → 23M
11:41 | 9:20/mi
24M
3:36:30
Rank: #19896 (+97)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:44:01
Rank: #19738 (+158)
24M → 40K
7:31 | 8:47/mi
25.2M
3:47:20
Rank: #19676 (+62)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:55:54
Rank: #19531 (+145)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:34
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:00:20
Pace9:11 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1227:258:4927:25
8:49
-
10K
6.21 mi11:51:4054:538:5027:28
8:50
+0:01
15K
9.32 mi12:18:511:22:048:4827:11
8:45
-0:05
20K
12.43 mi12:46:271:49:408:4927:36
8:53
+0:08
Half
13.11 mi12:52:211:55:348:495:54
8:39
-0:14
25K
15.53 mi13:13:512:17:048:4921:30
8:52
+0:13
30K
18.64 mi13:43:112:46:248:5629:20
9:26
+0:34
20M
20.00 mi13:55:562:59:098:5712:45
9:23
-0:03
21M
21.00 mi14:05:363:08:498:599:40
9:40
+0:17
35K
21.75 mi14:12:273:15:409:006:51
9:09
-0:31
23M
23.00 mi14:24:083:27:219:0111:41
9:20
+0:11
24M
24.00 mi14:33:173:36:309:019:09
9:09
-0:11
40K
24.85 mi14:40:483:44:019:017:31
8:47
-0:22
25.2M
25.20 mi14:44:073:47:209:013:19
9:37
+0:50
Finish
26.22 mi14:52:413:55:549:008:34
8:24
-1:13

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

8:24 /mi

Average Pace

9:00 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:09

72% of race

Time at Steady Pace

1:06:45

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi11:24:1227:258:4927:25
8:49
#21632
10K
6.21 mi11:51:4054:538:5027:28
8:50
#21614
15K
9.32 mi12:18:511:22:048:4827:11
8:45
#21288
20K
12.43 mi12:46:271:49:408:4927:36
8:53
#21042
Half
13.11 mi12:52:211:55:348:495:54
8:39
#20999
25K
15.53 mi13:13:512:17:048:4921:30
8:52
#20728
30K
18.64 mi13:43:112:46:248:5629:20
9:26
#20508
20M
20.00 mi13:55:562:59:098:5712:45
9:23
#20359
21M
21.00 mi14:05:363:08:498:599:40
9:40
#20160
35K
21.75 mi14:12:273:15:409:006:51
9:09
#20100
23M
23.00 mi14:24:083:27:219:0111:41
9:20
#19993
24M
24.00 mi14:33:173:36:309:019:09
9:09
#19896
40K
24.85 mi14:40:483:44:019:017:31
8:47
#19738
25.2M
25.20 mi14:44:073:47:209:013:19
9:37
#19676
Finish
26.22 mi14:52:413:55:549:008:34
8:24
#19531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21632131461314620746(Top 73%)12833(Top 80%)12833(Top 1019%)
10K6.21 mi3.10 mi21614+1813155-913155-921589(Top 76%)13164(Top 82%)13164(Top 1046%)
15K9.32 mi3.11 mi21288+32613032+12313032+12320746(Top 73%)12833(Top 80%)12833(Top 1019%)
20K12.43 mi3.11 mi21042+24612929+10312929+10320375(Top 72%)12623(Top 78%)12623(Top 1003%)
Half13.11 mi0.68 mi20999+4312911+1812911+1820035(Top 71%)12476(Top 77%)12476(Top 991%)
25K15.53 mi2.42 mi20728+27112780+13112780+13119267(Top 68%)12087(Top 75%)12087(Top 960%)
30K18.64 mi3.11 mi20508+22012634+14612634+14619702(Top 69%)12148(Top 75%)12148(Top 965%)
20M20.00 mi1.36 mi20359+14912549+8512549+8518666(Top 66%)11532(Top 72%)11532(Top 916%)
21M21.00 mi1.00 mi20160+19912431+11812431+11816865(Top 59%)10639(Top 66%)10639(Top 845%)
35K21.75 mi0.75 mi20100+6012395+3612395+3618966(Top 67%)11480(Top 71%)11480(Top 912%)
23M23.00 mi1.25 mi19993+10712324+7112324+7117921(Top 63%)10931(Top 68%)10931(Top 868%)
24M24.00 mi1.00 mi19896+9712249+7512249+7518105(Top 64%)10973(Top 68%)10973(Top 872%)
40K24.85 mi0.85 mi19738+15812170+7912170+7915139(Top 53%)9515(Top 59%)9515(Top 756%)
25.2M25.20 mi0.35 mi19676+6212129+4112129+4115172(Top 53%)9511(Top 59%)9511(Top 755%)
Finish26.22 mi1.02 mi19531+14512049+8012049+8015617(Top 55%)9771(Top 61%)9771(Top 776%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20746

Males

12833

M60-64

12833

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21589

Males

13164

M60-64

13164

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20746

Males

12833

M60-64

12833

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20375

Males

12623

M60-64

12623

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20035

Males

12476

M60-64

12476

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19267

Males

12087

M60-64

12087

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19702

Males

12148

M60-64

12148

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18666

Males

11532

M60-64

11532

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16865

Males

10639

M60-64

10639

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

18966

Males

11480

M60-64

11480

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17921

Males

10931

M60-64

10931

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18105

Males

10973

M60-64

10973

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15139

Males

9515

M60-64

9515

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15172

Males

9511

M60-64

9511

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15617

Males

9771

M60-64

9771

Passing Analysis

Category:
Athletes Passed
2786
Passed By
685
Net Change
+2101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21632
5K → 10K280262+18#21632#21614
10K → 15K40276+326#21614#21288
15K → 20K32377+246#21288#21042
20K → Half5815+43#21042#20999
Half → 25K30029+271#20999#20728
25K → 30K323103+220#20728#20508
30K → 20M17223+149#20508#20359
20M → 21M21314+199#20359#20160
21M → 35K8424+60#20160#20100
35K → 23M13730+107#20100#19993
23M → 24M11720+97#19993#19896
24M → 40K1602+158#19896#19738
40K → 25.2M642+62#19738#19676
25.2M → Finish1538+145#19676#19531
TOTALS2786685+2101
📊

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