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BOSTON MARATHON 2025

Nguyen Luu

Bib: 23461•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F50-54)
#0 / 1303
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:08
Rank: #19389
Start → 5K
26:08 | 8:25/mi
10K· 6.21 mi
52:15
Rank: #19292 (+97)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:18:16
Rank: #19014 (+278)
10K → 15K
26:01 | 8:22/mi
20K· 12.43 mi
1:44:55
Rank: #18917 (+97)
15K → 20K
26:39 | 8:35/mi
Half· 13.11 mi
1:50:37
Rank: #18876 (+41)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:11:56
Rank: #18861 (+15)
Half → 25K
21:19 | 8:48/mi
30K· 18.64 mi
2:40:34
Rank: #18833 (+28)
25K → 30K
28:38 | 9:13/mi
20M
2:53:10
Rank: #18781 (+52)
30K → 20M
12:36 | 9:16/mi
21M
3:03:16
Rank: #18771 (+10)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:09:41
Rank: #18670 (+101)
21M → 35K
6:25 | 8:35/mi
23M
3:21:12
Rank: #18568 (+102)
35K → 23M
11:31 | 9:12/mi
24M
3:30:13
Rank: #18522 (+46)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:38:09
Rank: #18466 (+56)
24M → 40K
7:56 | 9:17/mi
25.2M
3:41:47
Rank: #18490 (-24)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:51:05
Rank: #18562 (-72)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:37
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1226:088:2526:08
8:25
-
10K
6.21 mi11:48:1952:158:2526:07
8:24
-0:01
15K
9.32 mi12:14:201:18:168:2426:01
8:22
-0:02
20K
12.43 mi12:40:591:44:558:2726:39
8:35
+0:13
Half
13.11 mi12:46:411:50:378:265:42
8:21
-0:14
25K
15.53 mi13:08:002:11:568:3021:19
8:48
+0:27
30K
18.64 mi13:36:382:40:348:3728:38
9:13
+0:25
20M
20.00 mi13:49:142:53:108:3912:36
9:16
+0:03
21M
21.00 mi13:59:203:03:168:4410:06
10:06
+0:50
35K
21.75 mi14:05:453:09:418:436:25
8:35
-1:31
23M
23.00 mi14:17:163:21:128:4511:31
9:12
+0:37
24M
24.00 mi14:26:173:30:138:469:01
9:01
-0:11
40K
24.85 mi14:34:133:38:098:477:56
9:17
+0:16
25.2M
25.20 mi14:37:513:41:478:483:38
10:32
+1:15
Finish
26.22 mi14:47:093:51:058:499:18
9:08
-1:24

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

8:21 /mi

Average Pace

8:49 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:02

51% of race

Time at Steady Pace

1:40:19

43% of race

Time at Slower Pace

13:44

6% of race

Average Pace: 8:49 /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 mi11:22:1226:088:2526:08
8:25
#19389
10K
6.21 mi11:48:1952:158:2526:07
8:24
#19292
15K
9.32 mi12:14:201:18:168:2426:01
8:22
#19014
20K
12.43 mi12:40:591:44:558:2726:39
8:35
#18917
Half
13.11 mi12:46:411:50:378:265:42
8:21
#18876
25K
15.53 mi13:08:002:11:568:3021:19
8:48
#18861
30K
18.64 mi13:36:382:40:348:3728:38
9:13
#18833
20M
20.00 mi13:49:142:53:108:3912:36
9:16
#18781
21M
21.00 mi13:59:203:03:168:4410:06
10:06
#18771
35K
21.75 mi14:05:453:09:418:436:25
8:35
#18670
23M
23.00 mi14:17:163:21:128:4511:31
9:12
#18568
24M
24.00 mi14:26:173:30:138:469:01
9:01
#18522
40K
24.85 mi14:34:133:38:098:477:56
9:17
#18466
25.2M
25.20 mi14:37:513:41:478:483:38
10:32
#18490
Finish
26.22 mi14:47:093:51:058:499:18
9:08
#18562
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193897136713618550(Top 65%)6633(Top 54%)6633(Top 509%)
10K6.21 mi3.10 mi19292+977061+757061+7519238(Top 68%)7021(Top 57%)7021(Top 539%)
15K9.32 mi3.11 mi19014+2786920+1416920+14118550(Top 65%)6633(Top 54%)6633(Top 509%)
20K12.43 mi3.11 mi18917+976854+666854+6618733(Top 66%)6758(Top 55%)6758(Top 519%)
Half13.11 mi0.68 mi18876+416834+206834+2018380(Top 65%)6557(Top 54%)6557(Top 503%)
25K15.53 mi2.42 mi18861+156833+16833+118899(Top 67%)6921(Top 57%)6921(Top 531%)
30K18.64 mi3.11 mi18833+286849-166849-1618720(Top 66%)6963(Top 57%)6963(Top 534%)
20M20.00 mi1.36 mi18781+526849684918176(Top 64%)6816(Top 56%)6816(Top 523%)
21M21.00 mi1.00 mi18771+106875-266875-2618688(Top 66%)7170(Top 59%)7170(Top 550%)
35K21.75 mi0.75 mi18670+1016834+416834+4116008(Top 56%)5799(Top 47%)5799(Top 445%)
23M23.00 mi1.25 mi18568+1026805+296805+2917335(Top 61%)6627(Top 54%)6627(Top 509%)
24M24.00 mi1.00 mi18522+466808-36808-317478(Top 62%)6755(Top 55%)6755(Top 518%)
40K24.85 mi0.85 mi18466+566804+46804+417772(Top 63%)7014(Top 57%)7014(Top 538%)
25.2M25.20 mi0.35 mi18490-246826-226826-2219172(Top 67%)7727(Top 63%)7727(Top 593%)
Finish26.22 mi1.02 mi18562-726882-566882-5619641(Top 69%)7938(Top 65%)7938(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18550

Females

6633

F50-54

6633

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19238

Females

7021

F50-54

7021

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18550

Females

6633

F50-54

6633

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18733

Females

6758

F50-54

6758

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18380

Females

6557

F50-54

6557

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

18899

Females

6921

F50-54

6921

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18720

Females

6963

F50-54

6963

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18176

Females

6816

F50-54

6816

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18688

Females

7170

F50-54

7170

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

16008

Females

5799

F50-54

5799

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17335

Females

6627

F50-54

6627

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17478

Females

6755

F50-54

6755

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17772

Females

7014

F50-54

7014

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19172

Females

7727

F50-54

7727

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19641

Females

7938

F50-54

7938

Passing Analysis

Category:
Athletes Passed
2153
Passed By
1326
Net Change
+827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19389
5K → 10K306209+97#19389#19292
10K → 15K36082+278#19292#19014
15K → 20K244147+97#19014#18917
20K → Half5514+41#18917#18876
Half → 25K171156+15#18876#18861
25K → 30K261233+28#18861#18833
30K → 20M12472+52#18833#18781
20M → 21M116106+10#18781#18771
21M → 35K1087+101#18771#18670
35K → 23M15553+102#18670#18568
23M → 24M9549+46#18568#18522
24M → 40K9438+56#18522#18466
40K → 25.2M2448-24#18466#18490
25.2M → Finish40112-72#18490#18562
TOTALS21531326+827
📊

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