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BOSTON MARATHON 2025

Emily Nguyen

Bib: 25015•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:18
Rank: #24971
Start → 5K
30:18 | 9:45/mi
10K· 6.21 mi
1:01:31
Rank: #25181 (-210)
5K → 10K
31:13 | 10:03/mi
15K· 9.32 mi
1:36:18
Rank: #25967 (-786)
10K → 15K
34:47 | 11:12/mi
20K· 12.43 mi
2:12:16
Rank: #26225 (-258)
15K → 20K
35:58 | 11:35/mi
Half· 13.11 mi
2:19:41
Rank: #26241 (-16)
20K → Half
7:25 | 10:52/mi
25K· 15.53 mi
2:50:16
Rank: #26439 (-198)
Half → 25K
30:35 | 12:37/mi
30K· 18.64 mi
3:30:18
Rank: #26516 (-77)
25K → 30K
40:02 | 12:53/mi
20M
3:47:26
Rank: #26486 (+30)
30K → 20M
17:08 | 12:36/mi
21M
4:00:34
Rank: #26414 (+72)
20M → 21M
13:08 | 13:08/mi
35K· 21.75 mi
4:09:11
Rank: #26375 (+39)
21M → 35K
8:37 | 11:31/mi
23M
4:24:49
Rank: #26361 (+14)
35K → 23M
15:38 | 12:29/mi
24M
4:36:59
Rank: #26335 (+26)
23M → 24M
12:10 | 12:10/mi
40K· 24.85 mi
4:48:28
Rank: #26374 (-39)
24M → 40K
11:29 | 13:26/mi
25.2M
4:53:31
Rank: #26394 (-20)
40K → 25.2M
5:03 | 14:39/mi
Finish· 26.22 mi
5:07:24
Rank: #26520 (-126)
25.2M → Finish
13:53 | 13:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:41
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:47:43
Pace12:48 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4130:189:4530:18
9:45
-
10K
6.21 mi11:56:541:01:319:5431:13
10:03
+0:18
15K
9.32 mi12:31:411:36:1810:2034:47
11:12
+1:09
20K
12.43 mi13:07:392:12:1610:3935:58
11:35
+0:23
Half
13.11 mi13:15:042:19:4110:397:25
10:52
-0:43
25K
15.53 mi13:45:392:50:1610:5830:35
12:37
+1:45
30K
18.64 mi14:25:413:30:1811:1740:02
12:53
+0:16
20M
20.00 mi14:42:493:47:2611:2217:08
12:36
-0:17
21M
21.00 mi14:55:574:00:3411:2713:08
13:08
+0:32
35K
21.75 mi15:04:344:09:1111:278:37
11:31
-1:37
23M
23.00 mi15:20:124:24:4911:3115:38
12:29
+0:58
24M
24.00 mi15:32:224:36:5911:3212:10
12:10
-0:19
40K
24.85 mi15:43:514:48:2811:3611:29
13:26
+1:16
25.2M
25.20 mi15:48:544:53:3111:395:03
14:39
+1:13
Finish
26.22 mi16:02:475:07:2411:4413:53
13:37
-1:02

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

9:45 /mi

Average Pace

11:44 /mi

Slowest Pace

14:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:18

48% of race

Time at Steady Pace

2:08:41

42% of race

Time at Slower Pace

30:25

10% of race

Average Pace: 11:43 /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 mi11:25:4130:189:4530:18
9:45
#24971
10K
6.21 mi11:56:541:01:319:5431:13
10:03
#25181
15K
9.32 mi12:31:411:36:1810:2034:47
11:12
#25967
20K
12.43 mi13:07:392:12:1610:3935:58
11:35
#26225
Half
13.11 mi13:15:042:19:4110:397:25
10:52
#26241
25K
15.53 mi13:45:392:50:1610:5830:35
12:37
#26439
30K
18.64 mi14:25:413:30:1811:1740:02
12:53
#26516
20M
20.00 mi14:42:493:47:2611:2217:08
12:36
#26486
21M
21.00 mi14:55:574:00:3411:2713:08
13:08
#26414
35K
21.75 mi15:04:344:09:1111:278:37
11:31
#26375
23M
23.00 mi15:20:124:24:4911:3115:38
12:29
#26361
24M
24.00 mi15:32:224:36:5911:3212:10
12:10
#26335
40K
24.85 mi15:43:514:48:2811:3611:29
13:26
#26374
25.2M
25.20 mi15:48:544:53:3111:395:03
14:39
#26394
Finish
26.22 mi16:02:475:07:2411:4413:53
13:37
#26520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi24971101991019926916(Top 95%)11329(Top 93%)11329(Top 1816%)
10K6.21 mi3.10 mi25181-21010328-12910328-12925412(Top 89%)10467(Top 86%)10467(Top 1677%)
15K9.32 mi3.11 mi25967-78610758-43010758-43026916(Top 95%)11329(Top 93%)11329(Top 1816%)
20K12.43 mi3.11 mi26225-25810900-14210900-14226712(Top 94%)11222(Top 92%)11222(Top 1798%)
Half13.11 mi0.68 mi26241-1610917-1710917-1726334(Top 93%)11020(Top 90%)11020(Top 1766%)
25K15.53 mi2.42 mi26439-19811040-12311040-12327010(Top 95%)11432(Top 93%)11432(Top 1832%)
30K18.64 mi3.11 mi26516-7711113-7311113-7326562(Top 94%)11258(Top 92%)11258(Top 1804%)
20M20.00 mi1.36 mi26486+3011109+411109+426019(Top 92%)11027(Top 90%)11027(Top 1767%)
21M21.00 mi1.00 mi26414+7211082+2711082+2725219(Top 89%)10681(Top 87%)10681(Top 1712%)
35K21.75 mi0.75 mi26375+3911068+1411068+1425116(Top 88%)10650(Top 87%)10650(Top 1707%)
23M23.00 mi1.25 mi26361+14110681106825781(Top 91%)10989(Top 90%)10989(Top 1761%)
24M24.00 mi1.00 mi26335+2611067+111067+125859(Top 91%)11067(Top 91%)11067(Top 1774%)
40K24.85 mi0.85 mi26374-3911091-2411091-2426698(Top 94%)11498(Top 94%)11498(Top 1843%)
25.2M25.20 mi0.35 mi26394-2011101-1011101-1026838(Top 94%)11584(Top 95%)11584(Top 1856%)
Finish26.22 mi1.02 mi26520-12611176-7511176-7527900(Top 98%)12043(Top 98%)12043(Top 1930%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26916

Females

11329

F60-64

11329

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25412

Females

10467

F60-64

10467

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26916

Females

11329

F60-64

11329

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26712

Females

11222

F60-64

11222

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26334

Females

11020

F60-64

11020

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27010

Females

11432

F60-64

11432

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26562

Females

11258

F60-64

11258

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26019

Females

11027

F60-64

11027

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25219

Females

10681

F60-64

10681

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25116

Females

10650

F60-64

10650

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25781

Females

10989

F60-64

10989

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25859

Females

11067

F60-64

11067

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26698

Females

11498

F60-64

11498

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26838

Females

11584

F60-64

11584

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27900

Females

12043

F60-64

12043

Passing Analysis

Category:
Athletes Passed
590
Passed By
2139
Net Change
-1549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24971
5K → 10K110320-210#24971#25181
10K → 15K13799-786#25181#25967
15K → 20K48306-258#25967#26225
20K → Half2238-16#26225#26241
Half → 25K29227-198#26241#26439
25K → 30K73150-77#26439#26516
30K → 20M5727+30#26516#26486
20M → 21M8614+72#26486#26414
21M → 35K445+39#26414#26375
35K → 23M4026+14#26375#26361
23M → 24M4519+26#26361#26335
24M → 40K1958-39#26335#26374
40K → 25.2M222-20#26374#26394
25.2M → Finish2128-126#26394#26520
TOTALS5902139-1549
📊

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