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BOSTON MARATHON 2025

Dana Louie

Bib: 13404•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:46
Rank: #10655
Start → 5K
22:46 | 7:20/mi
10K· 6.21 mi
45:49
Rank: #10992 (-337)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:08:55
Rank: #11008 (-16)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:32:14
Rank: #10954 (+54)
15K → 20K
23:19 | 7:30/mi
Half· 13.11 mi
1:37:17
Rank: #10937 (+17)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:55:31
Rank: #10766 (+171)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:19:27
Rank: #10414 (+352)
25K → 30K
23:56 | 7:42/mi
20M
2:29:54
Rank: #10209 (+205)
30K → 20M
10:27 | 7:41/mi
21M
2:38:00
Rank: #10030 (+179)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:43:32
Rank: #9909 (+121)
21M → 35K
5:32 | 7:24/mi
23M
2:53:00
Rank: #9691 (+218)
35K → 23M
9:28 | 7:34/mi
24M
3:00:24
Rank: #9518 (+173)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
3:06:58
Rank: #9441 (+77)
24M → 40K
6:34 | 7:41/mi
25.2M
3:09:53
Rank: #9394 (+47)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:17:20
Rank: #9313 (+81)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3122:467:2022:46
7:20
-
10K
6.21 mi11:14:3445:497:2223:03
7:25
+0:05
15K
9.32 mi11:37:401:08:557:2423:06
7:26
+0:01
20K
12.43 mi12:00:591:32:147:2523:19
7:30
+0:04
Half
13.11 mi12:06:021:37:177:255:03
7:24
-0:06
25K
15.53 mi12:24:161:55:317:2618:14
7:31
+0:07
30K
18.64 mi12:48:122:19:277:2923:56
7:42
+0:11
20M
20.00 mi12:58:392:29:547:3010:27
7:41
-0:01
21M
21.00 mi13:06:452:38:007:318:06
8:06
+0:25
35K
21.75 mi13:12:172:43:327:315:32
7:24
-0:42
23M
23.00 mi13:21:452:53:007:319:28
7:34
+0:10
24M
24.00 mi13:29:093:00:247:317:24
7:24
-0:10
40K
24.85 mi13:35:433:06:587:316:34
7:41
+0:17
25.2M
25.20 mi13:38:383:09:537:322:55
8:27
+0:46
Finish
26.22 mi13:46:053:17:207:327:27
7:19
-1:08

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

7:19 /mi

Average Pace

7:32 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:19

94% of race

Time at Steady Pace

11:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:51:3122:467:2022:46
7:20
#10655
10K
6.21 mi11:14:3445:497:2223:03
7:25
#10992
15K
9.32 mi11:37:401:08:557:2423:06
7:26
#11008
20K
12.43 mi12:00:591:32:147:2523:19
7:30
#10954
Half
13.11 mi12:06:021:37:177:255:03
7:24
#10937
25K
15.53 mi12:24:161:55:317:2618:14
7:31
#10766
30K
18.64 mi12:48:122:19:277:2923:56
7:42
#10414
20M
20.00 mi12:58:392:29:547:3010:27
7:41
#10209
21M
21.00 mi13:06:452:38:007:318:06
8:06
#10030
35K
21.75 mi13:12:172:43:327:315:32
7:24
#9909
23M
23.00 mi13:21:452:53:007:319:28
7:34
#9691
24M
24.00 mi13:29:093:00:247:317:24
7:24
#9518
40K
24.85 mi13:35:433:06:587:316:34
7:41
#9441
25.2M
25.20 mi13:38:383:09:537:322:55
8:27
#9394
Finish
26.22 mi13:46:053:17:207:327:27
7:19
#9313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106552112211211196(Top 39%)2469(Top 20%)2469(Top 45%)
10K6.21 mi3.10 mi10992-3372298-1862298-18611362(Top 40%)2493(Top 20%)2493(Top 46%)
15K9.32 mi3.11 mi11008-162324-262324-2611196(Top 39%)2469(Top 20%)2469(Top 45%)
20K12.43 mi3.11 mi10954+542313+112313+1110818(Top 38%)2375(Top 19%)2375(Top 43%)
Half13.11 mi0.68 mi10937+172310+32310+310924(Top 38%)2366(Top 19%)2366(Top 43%)
25K15.53 mi2.42 mi10766+1712267+432267+4310148(Top 36%)2153(Top 18%)2153(Top 39%)
30K18.64 mi3.11 mi10414+3522160+1072160+1079227(Top 32%)1933(Top 16%)1933(Top 35%)
20M20.00 mi1.36 mi10209+2052090+702090+708301(Top 29%)1665(Top 14%)1665(Top 30%)
21M21.00 mi1.00 mi10030+1792047+432047+437988(Top 28%)1727(Top 14%)1727(Top 32%)
35K21.75 mi0.75 mi9909+1212015+322015+327946(Top 28%)1663(Top 14%)1663(Top 30%)
23M23.00 mi1.25 mi9691+2181948+671948+677026(Top 25%)1418(Top 12%)1418(Top 26%)
24M24.00 mi1.00 mi9518+1731909+391909+397084(Top 25%)1498(Top 12%)1498(Top 27%)
40K24.85 mi0.85 mi9441+771906+31906+37989(Top 28%)1981(Top 16%)1981(Top 36%)
25.2M25.20 mi0.35 mi9394+471903+31903+38610(Top 30%)2323(Top 19%)2323(Top 42%)
Finish26.22 mi1.02 mi9313+811899+41899+47879(Top 28%)2020(Top 17%)2020(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11196

Females

2469

F18-39

2469

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11362

Females

2493

F18-39

2493

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11196

Females

2469

F18-39

2469

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10818

Females

2375

F18-39

2375

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10924

Females

2366

F18-39

2366

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10148

Females

2153

F18-39

2153

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9227

Females

1933

F18-39

1933

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8301

Females

1665

F18-39

1665

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7988

Females

1727

F18-39

1727

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7946

Females

1663

F18-39

1663

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7026

Females

1418

F18-39

1418

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7084

Females

1498

F18-39

1498

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7989

Females

1981

F18-39

1981

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8610

Females

2323

F18-39

2323

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7879

Females

2020

F18-39

2020

Passing Analysis

Category:
Athletes Passed
2460
Passed By
1118
Net Change
+1342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10655
5K → 10K129466-337#10655#10992
10K → 15K166182-16#10992#11008
15K → 20K197143+54#11008#10954
20K → Half4730+17#10954#10937
Half → 25K24473+171#10937#10766
25K → 30K40957+352#10766#10414
30K → 20M23227+205#10414#10209
20M → 21M20930+179#10209#10030
21M → 35K13413+121#10030#9909
35K → 23M2257+218#9909#9691
23M → 24M19017+173#9691#9518
24M → 40K10427+77#9518#9441
40K → 25.2M6417+47#9441#9394
25.2M → Finish11029+81#9394#9313
TOTALS24601118+1342
📊

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