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BOSTON MARATHON 2025

Peter Nguyen

Bib: 21656•M

CA

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
25:39
Rank: #18450
Start → 5K
25:39 | 8:15/mi
10K· 6.21 mi
51:56
Rank: #18976 (-526)
5K → 10K
26:17 | 8:28/mi
15K· 9.32 mi
1:19:12
Rank: #19628 (-652)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:47:32
Rank: #20144 (-516)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:53:25
Rank: #20121 (+23)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:15:20
Rank: #20131 (-10)
Half → 25K
21:55 | 9:02/mi
30K· 18.64 mi
2:46:19
Rank: #20488 (-357)
25K → 30K
30:59 | 9:58/mi
20M
2:59:50
Rank: #20512 (-24)
30K → 20M
13:31 | 9:57/mi
21M
3:11:26
Rank: #20708 (-196)
20M → 21M
11:36 | 11:36/mi
35K· 21.75 mi
3:18:31
Rank: #20699 (+9)
21M → 35K
7:05 | 9:28/mi
23M
3:31:07
Rank: #20731 (-32)
35K → 23M
12:36 | 10:04/mi
24M
3:41:00
Rank: #20766 (-35)
23M → 24M
9:53 | 9:53/mi
40K· 24.85 mi
3:49:38
Rank: #20772 (-6)
24M → 40K
8:38 | 10:06/mi
25.2M
3:53:27
Rank: #20769 (+3)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:02:46
Rank: #20744 (+25)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:25
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:09:21
Pace9:52 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0225:398:1525:39
8:15
-
10K
6.21 mi11:47:1951:568:2126:17
8:28
+0:13
15K
9.32 mi12:14:351:19:128:3027:16
8:47
+0:19
20K
12.43 mi12:42:551:47:328:3928:20
9:07
+0:20
Half
13.11 mi12:48:481:53:258:395:53
8:37
-0:30
25K
15.53 mi13:10:432:15:208:4321:55
9:02
+0:25
30K
18.64 mi13:41:422:46:198:5530:59
9:58
+0:56
20M
20.00 mi13:55:132:59:508:5913:31
9:57
-0:01
21M
21.00 mi14:06:493:11:269:0711:36
11:36
+1:39
35K
21.75 mi14:13:543:18:319:087:05
9:28
-2:08
23M
23.00 mi14:26:303:31:079:1112:36
10:04
+0:36
24M
24.00 mi14:36:233:41:009:139:53
9:53
-0:11
40K
24.85 mi14:45:013:49:389:148:38
10:06
+0:13
25.2M
25.20 mi14:48:503:53:279:163:49
11:04
+0:58
Finish
26.22 mi14:58:094:02:469:169:19
9:09
-1:55

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

8:15 /mi

Average Pace

9:16 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:05

35% of race

Time at Steady Pace

1:16:32

32% of race

Time at Slower Pace

1:21:09

33% of race

Average Pace: 9:16 /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 mi11:21:0225:398:1525:39
8:15
#18450
10K
6.21 mi11:47:1951:568:2126:17
8:28
#18976
15K
9.32 mi12:14:351:19:128:3027:16
8:47
#19628
20K
12.43 mi12:42:551:47:328:3928:20
9:07
#20144
Half
13.11 mi12:48:481:53:258:395:53
8:37
#20121
25K
15.53 mi13:10:432:15:208:4321:55
9:02
#20131
30K
18.64 mi13:41:422:46:198:5530:59
9:58
#20488
20M
20.00 mi13:55:132:59:508:5913:31
9:57
#20512
21M
21.00 mi14:06:493:11:269:0711:36
11:36
#20708
35K
21.75 mi14:13:543:18:319:087:05
9:28
#20699
23M
23.00 mi14:26:303:31:079:1112:36
10:04
#20731
24M
24.00 mi14:36:233:41:009:139:53
9:53
#20766
40K
24.85 mi14:45:013:49:389:148:38
10:06
#20772
25.2M
25.20 mi14:48:503:53:279:163:49
11:04
#20769
Finish
26.22 mi14:58:094:02:469:169:19
9:09
#20744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18450117891178920905(Top 74%)12902(Top 80%)12902(Top 1025%)
10K6.21 mi3.10 mi18976-52612032-24312032-24319563(Top 69%)12299(Top 76%)12299(Top 977%)
15K9.32 mi3.11 mi19628-65212321-28912321-28920905(Top 74%)12902(Top 80%)12902(Top 1025%)
20K12.43 mi3.11 mi20144-51612534-21312534-21321535(Top 76%)13142(Top 82%)13142(Top 1044%)
Half13.11 mi0.68 mi20121+2312521+1312521+1319913(Top 70%)12440(Top 77%)12440(Top 988%)
25K15.53 mi2.42 mi20131-1012511+1012511+1020079(Top 71%)12451(Top 77%)12451(Top 989%)
30K18.64 mi3.11 mi20488-35712622-11112622-11121517(Top 76%)12952(Top 80%)12952(Top 1029%)
20M20.00 mi1.36 mi20512-2412620+212620+220752(Top 73%)12472(Top 77%)12472(Top 991%)
21M21.00 mi1.00 mi20708-19612691-7112691-7122803(Top 80%)13344(Top 83%)13344(Top 1060%)
35K21.75 mi0.75 mi20699+912673+1812673+1820211(Top 71%)12074(Top 75%)12074(Top 959%)
23M23.00 mi1.25 mi20731-3212663+1012663+1020682(Top 73%)12235(Top 76%)12235(Top 972%)
24M24.00 mi1.00 mi20766-35126631266320994(Top 74%)12344(Top 77%)12344(Top 980%)
40K24.85 mi0.85 mi20772-612645+1812645+1820764(Top 73%)12166(Top 76%)12166(Top 966%)
25.2M25.20 mi0.35 mi20769+312629+1612629+1620826(Top 73%)12202(Top 76%)12202(Top 969%)
Finish26.22 mi1.02 mi20744+2512605+2412605+2419694(Top 69%)11670(Top 72%)11670(Top 927%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20905

Males

12902

M60-64

12902

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19563

Males

12299

M60-64

12299

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20905

Males

12902

M60-64

12902

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21535

Males

13142

M60-64

13142

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19913

Males

12440

M60-64

12440

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20079

Males

12451

M60-64

12451

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21517

Males

12952

M60-64

12952

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20752

Males

12472

M60-64

12472

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22803

Males

13344

M60-64

13344

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20211

Males

12074

M60-64

12074

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20682

Males

12235

M60-64

12235

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20994

Males

12344

M60-64

12344

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20764

Males

12166

M60-64

12166

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20826

Males

12202

M60-64

12202

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19694

Males

11670

M60-64

11670

Passing Analysis

Category:
Athletes Passed
1007
Passed By
3301
Net Change
-2294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18450
5K → 10K96622-526#18450#18976
10K → 15K49701-652#18976#19628
15K → 20K72588-516#19628#20144
20K → Half4926+23#20144#20121
Half → 25K154164-10#20121#20131
25K → 30K135492-357#20131#20488
30K → 20M95119-24#20488#20512
20M → 21M42238-196#20512#20708
21M → 35K6152+9#20708#20699
35K → 23M80112-32#20699#20731
23M → 24M4479-35#20731#20766
24M → 40K4955-6#20766#20772
40K → 25.2M3128+3#20772#20769
25.2M → Finish5025+25#20769#20744
TOTALS10073301-2294
📊

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