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BOSTON MARATHON 2025

Lucky Nguyen

Bib: 29468•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:40
Rank: #24402
Start → 5K
29:40 | 9:33/mi
10K· 6.21 mi
58:21
Rank: #23851 (+551)
5K → 10K
28:41 | 9:14/mi
15K· 9.32 mi
1:28:06
Rank: #23909 (-58)
10K → 15K
29:45 | 9:35/mi
20K· 12.43 mi
2:00:51
Rank: #24358 (-449)
15K → 20K
32:45 | 10:32/mi
Half· 13.11 mi
2:09:48
Rank: #24752 (-394)
20K → Half
8:57 | 13:07/mi
25K· 15.53 mi
2:46:00
Rank: #26016 (-1264)
Half → 25K
36:12 | 14:56/mi
30K· 18.64 mi
3:45:57
Rank: #27417 (-1401)
25K → 30K
59:57 | 19:18/mi
20M
4:17:41
Rank: #27919 (-502)
30K → 20M
31:44 | 23:21/mi
21M
4:34:17
Rank: #27953 (-34)
20M → 21M
16:36 | 16:36/mi
35K· 21.75 mi
4:46:51
Rank: #28014 (-61)
21M → 35K
12:34 | 16:48/mi
23M
5:04:01
Rank: #27990 (+24)
35K → 23M
17:10 | 13:43/mi
24M
5:17:49
Rank: #27992 (-2)
23M → 24M
13:48 | 13:48/mi
40K· 24.85 mi
5:30:00
Rank: #27982 (+10)
24M → 40K
12:11 | 14:15/mi
25.2M
5:35:28
Rank: #27979 (+3)
40K → 25.2M
5:28 | 15:51/mi
Finish· 26.22 mi
5:49:40
Rank: #27996 (-17)
25.2M → Finish
14:12 | 13:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:48
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time3:39:52
Pace16:46 /mi
📊Positive Split: 69.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4629:409:3329:40
9:33
-
10K
6.21 mi12:16:2758:219:2328:41
9:14
-0:19
15K
9.32 mi12:46:121:28:069:2729:45
9:35
+0:21
20K
12.43 mi13:18:572:00:519:4332:45
10:32
+0:57
Half
13.11 mi13:27:542:09:489:548:57
13:07
+2:35
25K
15.53 mi14:04:062:46:0010:4136:12
14:56
+1:49
30K
18.64 mi15:04:033:45:5712:0759:57
19:18
+4:22
20M
20.00 mi15:35:474:17:4112:5331:44
23:21
+4:03
21M
21.00 mi15:52:234:34:1713:0416:36
16:36
-6:45
35K
21.75 mi16:04:574:46:5113:1112:34
16:48
+0:12
23M
23.00 mi16:22:075:04:0113:1317:10
13:43
-3:05
24M
24.00 mi16:35:555:17:4913:1513:48
13:48
+0:05
40K
24.85 mi16:48:065:30:0013:1712:11
14:15
+0:27
25.2M
25.20 mi16:53:345:35:2813:195:28
15:51
+1:36
Finish
26.22 mi17:07:465:49:4013:2114:12
13:56
-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

9:14 /mi

Average Pace

13:21 /mi

Slowest Pace

23:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:51

35% of race

Time at Steady Pace

1:42:30

29% of race

Time at Slower Pace

2:06:19

36% of race

Average Pace: 13:20 /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 mi11:47:4629:409:3329:40
9:33
#24402
10K
6.21 mi12:16:2758:219:2328:41
9:14
#23851
15K
9.32 mi12:46:121:28:069:2729:45
9:35
#23909
20K
12.43 mi13:18:572:00:519:4332:45
10:32
#24358
Half
13.11 mi13:27:542:09:489:548:57
13:07
#24752
25K
15.53 mi14:04:062:46:0010:4136:12
14:56
#26016
30K
18.64 mi15:04:033:45:5712:0759:57
19:18
#27417
20M
20.00 mi15:35:474:17:4112:5331:44
23:21
#27919
21M
21.00 mi15:52:234:34:1713:0416:36
16:36
#27953
35K
21.75 mi16:04:574:46:5113:1112:34
16:48
#28014
23M
23.00 mi16:22:075:04:0113:1317:10
13:43
#27990
24M
24.00 mi16:35:555:17:4913:1513:48
13:48
#27992
40K
24.85 mi16:48:065:30:0013:1712:11
14:15
#27982
25.2M
25.20 mi16:53:345:35:2813:195:28
15:51
#27979
Finish
26.22 mi17:07:465:49:4013:2114:12
13:56
#27996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24402144371443723941(Top 84%)14250(Top 88%)14250(Top 253%)
10K6.21 mi3.10 mi23851+55114186+25114186+25123314(Top 82%)13949(Top 87%)13949(Top 247%)
15K9.32 mi3.11 mi23909-5814221-3514221-3523941(Top 84%)14250(Top 88%)14250(Top 253%)
20K12.43 mi3.11 mi24358-44914398-17714398-17725264(Top 89%)14789(Top 92%)14789(Top 262%)
Half13.11 mi0.68 mi24752-39414591-19314591-19328052(Top 99%)15941(Top 99%)15941(Top 283%)
25K15.53 mi2.42 mi26016-126415143-55215143-55228217(Top 99%)16014(Top 99%)16014(Top 284%)
30K18.64 mi3.11 mi27417-140115696-55315696-55328389(Top 100%)16098(Top 100%)16098(Top 285%)
20M20.00 mi1.36 mi27919-50215905-20915905-20928394(Top 100%)16099(Top 100%)16099(Top 285%)
21M21.00 mi1.00 mi27953-3415912-715912-728049(Top 99%)15897(Top 99%)15897(Top 282%)
35K21.75 mi0.75 mi28014-6115942-3015942-3028299(Top 100%)16037(Top 100%)16037(Top 284%)
23M23.00 mi1.25 mi27990+2415926+1615926+1627083(Top 95%)15368(Top 95%)15368(Top 272%)
24M24.00 mi1.00 mi27992-215921+515921+527528(Top 97%)15567(Top 97%)15567(Top 276%)
40K24.85 mi0.85 mi27982+1015910+1115910+1127373(Top 96%)15491(Top 96%)15491(Top 275%)
25.2M25.20 mi0.35 mi27979+315907+315907+327643(Top 97%)15623(Top 97%)15623(Top 277%)
Finish26.22 mi1.02 mi27996-1715910-315910-328022(Top 99%)15853(Top 98%)15853(Top 281%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23941

Males

14250

M18-39

14250

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23314

Males

13949

M18-39

13949

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23941

Males

14250

M18-39

14250

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25264

Males

14789

M18-39

14789

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28052

Males

15941

M18-39

15941

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28217

Males

16014

M18-39

16014

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28389

Males

16098

M18-39

16098

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28394

Males

16099

M18-39

16099

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28049

Males

15897

M18-39

15897

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28299

Males

16037

M18-39

16037

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27083

Males

15368

M18-39

15368

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27528

Males

15567

M18-39

15567

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27373

Males

15491

M18-39

15491

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27643

Males

15623

M18-39

15623

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28022

Males

15853

M18-39

15853

Passing Analysis

Category:
Athletes Passed
873
Passed By
4467
Net Change
-3594
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24402
5K → 10K61968+551#24402#23851
10K → 15K127185-58#23851#23909
15K → 20K36485-449#23909#24358
20K → Half0394-394#24358#24752
Half → 25K11265-1264#24752#26016
25K → 30K31404-1401#26016#27417
30K → 20M0502-502#27417#27919
20M → 21M842-34#27919#27953
21M → 35K162-61#27953#28014
35K → 23M317+24#28014#27990
23M → 24M1315-2#27990#27992
24M → 40K188+10#27992#27982
40K → 25.2M63+3#27982#27979
25.2M → Finish1027-17#27979#27996
TOTALS8734467-3594
📊

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