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BOSTON MARATHON 2025

Vu Nguyen

Bib: 13860•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M50-54)
#0 / 1996
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
45:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:08:35
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:32:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:37:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
1:56:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:22:23
↑ 181↓ 1480.2%
20M
8:10/mi
2:33:29
↑ 64↓ 500.2%
21M
9:16/mi
2:42:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:12/mi
2:48:53
↑ 17↓ 861.7%
23M
8:10/mi
2:59:07
↑ 23↓ 630.6%
24M
7:59/mi
3:07:06
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:14:32
↓ 200.3%
25.2M
9:02/mi
3:17:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:25:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:12
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1122:377:1722:37
7:17
-
10K
6.21 mi11:16:1045:367:2022:59
7:24
+0:07
15K
9.32 mi11:39:091:08:357:2122:59
7:24
0:00
20K
12.43 mi12:02:411:32:077:2523:32
7:34
+0:10
Half
13.11 mi12:07:461:37:127:255:05
7:27
-0:07
25K
15.53 mi12:27:001:56:267:3019:14
7:56
+0:29
30K
18.64 mi12:52:572:22:237:3825:57
8:21
+0:25
20M
20.00 mi13:04:032:33:297:4011:06
8:10
-0:11
21M
21.00 mi13:13:192:42:457:459:16
9:16
+1:06
35K
21.75 mi13:19:272:48:537:466:08
8:12
-1:04
23M
23.00 mi13:29:412:59:077:4710:14
8:10
-0:02
24M
24.00 mi13:37:403:07:067:487:59
7:59
-0:11
40K
24.85 mi13:45:063:14:327:507:26
8:42
+0:43
25.2M
25.20 mi13:48:133:17:397:513:07
9:02
+0:20
Finish
26.22 mi13:56:273:25:537:518:14
8:05
-0:57

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

7:17 /mi

Average Pace

7:51 /mi

Slowest Pace

9:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:12

47% of race

Time at Steady Pace

1:28:52

43% of race

Time at Slower Pace

19:49

10% of race

Average Pace: 7:51 /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 mi10:53:1122:377:1722:37
7:17
#10149
10K
6.21 mi11:16:1045:367:2022:59
7:24
#10660
15K
9.32 mi11:39:091:08:357:2122:59
7:24
#10703
20K
12.43 mi12:02:411:32:077:2523:32
7:34
#10862
Half
13.11 mi12:07:461:37:127:255:05
7:27
#10870
25K
15.53 mi12:27:001:56:267:3019:14
7:56
#11289
30K
18.64 mi12:52:572:22:237:3825:57
8:21
#11719
20M
20.00 mi13:04:032:33:297:4011:06
8:10
#11671
21M
21.00 mi13:13:192:42:457:459:16
9:16
#11881
35K
21.75 mi13:19:272:48:537:466:08
8:12
#11930
23M
23.00 mi13:29:412:59:077:4710:14
8:10
#11873
24M
24.00 mi13:37:403:07:067:487:59
7:59
#11815
40K
24.85 mi13:45:063:14:327:507:26
8:42
#11914
25.2M
25.20 mi13:48:133:17:397:513:07
9:02
#11914
Finish
26.22 mi13:56:273:25:537:518:14
8:05
#11951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi101498256825610850(Top 38%)8526(Top 53%)8526(Top 427%)
10K6.21 mi3.10 mi10660-5118490-2348490-23411155(Top 39%)8731(Top 54%)8731(Top 437%)
15K9.32 mi3.11 mi10703-438493-38493-310850(Top 38%)8526(Top 53%)8526(Top 427%)
20K12.43 mi3.11 mi10862-1598564-718564-7111376(Top 40%)8678(Top 54%)8678(Top 435%)
Half13.11 mi0.68 mi10870-88563+18563+111276(Top 40%)8687(Top 54%)8687(Top 435%)
25K15.53 mi2.42 mi11289-4198726-1638726-16313334(Top 47%)9442(Top 59%)9442(Top 473%)
30K18.64 mi3.11 mi11719-4308838-1128838-11213821(Top 49%)9512(Top 59%)9512(Top 477%)
20M20.00 mi1.36 mi11671+488782+568782+5611582(Top 41%)8331(Top 52%)8331(Top 417%)
21M21.00 mi1.00 mi11881-2108839-578839-5714942(Top 53%)9754(Top 61%)9754(Top 489%)
35K21.75 mi0.75 mi11930-498846-78846-713561(Top 48%)9054(Top 56%)9054(Top 454%)
23M23.00 mi1.25 mi11873+578771+758771+7511195(Top 39%)7847(Top 49%)7847(Top 393%)
24M24.00 mi1.00 mi11815+588709+628709+6211103(Top 39%)7727(Top 48%)7727(Top 387%)
40K24.85 mi0.85 mi11914-998714-58714-514546(Top 51%)9235(Top 57%)9235(Top 463%)
25.2M25.20 mi0.35 mi119148706+88706+811960(Top 42%)7971(Top 49%)7971(Top 399%)
Finish26.22 mi1.02 mi11951-378694+128694+1213408(Top 47%)8716(Top 54%)8716(Top 437%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10850

Males

8526

M50-54

8526

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11155

Males

8731

M50-54

8731

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10850

Males

8526

M50-54

8526

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11376

Males

8678

M50-54

8678

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11276

Males

8687

M50-54

8687

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13334

Males

9442

M50-54

9442

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13821

Males

9512

M50-54

9512

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11582

Males

8331

M50-54

8331

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14942

Males

9754

M50-54

9754

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13561

Males

9054

M50-54

9054

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11195

Males

7847

M50-54

7847

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11103

Males

7727

M50-54

7727

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14546

Males

9235

M50-54

9235

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11960

Males

7971

M50-54

7971

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13408

Males

8716

M50-54

8716

Passing Analysis

Category:
Athletes Passed
1212
Passed By
3013
Net Change
-1802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10149
5K → 10K103613-511#10149#10660
10K → 15K147190-43#10660#10703
15K → 20K126285-159#10703#10862
20K → Half3442-8#10862#10870
Half → 25K75494-419#10870#11289
25K → 30K117547-430#11289#11719
30K → 20M13385+48#11719#11671
20M → 21M50260-210#11671#11881
21M → 35K4190-49#11881#11930
35K → 23M13275+57#11930#11873
23M → 24M10749+58#11873#11815
24M → 40K55154-99#11815#11914
40K → 25.2M31310#11914#11914
25.2M → Finish6198-37#11914#11951
TOTALS12123013-1802
📊

Passing Visuals

Category:
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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