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BOSTON MARATHON 2025

Louise Armstrong

Bib: 19299•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #14585
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
47:57
Rank: #14051 (+534)
5K → 10K
23:48 | 7:40/mi
15K· 9.32 mi
1:11:52
Rank: #13845 (+206)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:42
Rank: #13376 (+469)
15K → 20K
23:50 | 7:40/mi
Half· 13.11 mi
1:40:53
Rank: #13326 (+50)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
2:00:04
Rank: #13266 (+60)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:25:24
Rank: #13080 (+186)
25K → 30K
25:20 | 8:09/mi
20M
2:36:37
Rank: #12991 (+89)
30K → 20M
11:13 | 8:15/mi
21M
2:45:32
Rank: #12950 (+41)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:51:34
Rank: #12936 (+14)
21M → 35K
6:02 | 8:04/mi
23M
3:02:21
Rank: #12991 (-55)
35K → 23M
10:47 | 8:37/mi
24M
3:10:38
Rank: #12987 (+4)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:18:07
Rank: #13055 (-68)
24M → 40K
7:29 | 8:45/mi
25.2M
3:21:25
Rank: #13080 (-25)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:29:48
Rank: #13160 (-80)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:53
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:48:55
Pace8:19 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5724:097:4624:09
7:46
-
10K
6.21 mi11:41:4547:577:4323:48
7:40
-0:06
15K
9.32 mi12:05:401:11:527:4323:55
7:42
+0:02
20K
12.43 mi12:29:301:35:427:4223:50
7:40
-0:02
Half
13.11 mi12:34:411:40:537:425:11
7:36
-0:04
25K
15.53 mi12:53:522:00:047:4419:11
7:55
+0:19
30K
18.64 mi13:19:122:25:247:4825:20
8:09
+0:14
20M
20.00 mi13:30:252:36:377:5011:13
8:15
+0:06
21M
21.00 mi13:39:202:45:327:538:55
8:55
+0:40
35K
21.75 mi13:45:222:51:347:536:02
8:04
-0:51
23M
23.00 mi13:56:093:02:217:5610:47
8:37
+0:33
24M
24.00 mi14:04:263:10:387:578:17
8:17
-0:20
40K
24.85 mi14:11:553:18:077:587:29
8:45
+0:28
25.2M
25.20 mi14:15:133:21:258:003:18
9:34
+0:49
Finish
26.22 mi14:23:363:29:488:008:23
8:14
-1:20

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

7:36 /mi

Average Pace

8:00 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:53

48% of race

Time at Steady Pace

1:18:26

37% of race

Time at Slower Pace

30:29

15% of race

Average Pace: 8:00 /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 mi11:17:5724:097:4624:09
7:46
#14585
10K
6.21 mi11:41:4547:577:4323:48
7:40
#14051
15K
9.32 mi12:05:401:11:527:4323:55
7:42
#13845
20K
12.43 mi12:29:301:35:427:4223:50
7:40
#13376
Half
13.11 mi12:34:411:40:537:425:11
7:36
#13326
25K
15.53 mi12:53:522:00:047:4419:11
7:55
#13266
30K
18.64 mi13:19:122:25:247:4825:20
8:09
#13080
20M
20.00 mi13:30:252:36:377:5011:13
8:15
#12991
21M
21.00 mi13:39:202:45:327:538:55
8:55
#12950
35K
21.75 mi13:45:222:51:347:536:02
8:04
#12936
23M
23.00 mi13:56:093:02:217:5610:47
8:37
#12991
24M
24.00 mi14:04:263:10:387:578:17
8:17
#12987
40K
24.85 mi14:11:553:18:077:587:29
8:45
#13055
25.2M
25.20 mi14:15:133:21:258:003:18
9:34
#13080
Finish
26.22 mi14:23:363:29:488:008:23
8:14
#13160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145854269426913500(Top 48%)3738(Top 31%)3738(Top 68%)
10K6.21 mi3.10 mi14051+5343970+2993970+29913557(Top 48%)3692(Top 30%)3692(Top 68%)
15K9.32 mi3.11 mi13845+2063872+983872+9813500(Top 48%)3738(Top 31%)3738(Top 68%)
20K12.43 mi3.11 mi13376+4693645+2273645+22712168(Top 43%)3092(Top 25%)3092(Top 57%)
Half13.11 mi0.68 mi13326+503625+203625+2012634(Top 44%)3318(Top 27%)3318(Top 61%)
25K15.53 mi2.42 mi13266+603637-123637-1213206(Top 46%)3778(Top 31%)3778(Top 69%)
30K18.64 mi3.11 mi13080+1863600+373600+3712498(Top 44%)3565(Top 29%)3565(Top 65%)
20M20.00 mi1.36 mi12991+893574+263574+2612199(Top 43%)3549(Top 29%)3549(Top 65%)
21M21.00 mi1.00 mi12950+413583-93583-913040(Top 46%)4140(Top 34%)4140(Top 76%)
35K21.75 mi0.75 mi12936+143590-73590-712722(Top 45%)4005(Top 33%)4005(Top 73%)
23M23.00 mi1.25 mi12991-553663-733663-7314021(Top 49%)4799(Top 39%)4799(Top 88%)
24M24.00 mi1.00 mi12987+43697-343697-3413154(Top 46%)4393(Top 36%)4393(Top 80%)
40K24.85 mi0.85 mi13055-683762-653762-6514929(Top 53%)5474(Top 45%)5474(Top 100%)
25.2M25.20 mi0.35 mi13080-253786-243786-2414967(Top 53%)5514(Top 45%)5514(Top 101%)
Finish26.22 mi1.02 mi13160-803850-643850-6414454(Top 51%)5177(Top 42%)5177(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13500

Females

3738

F18-39

3738

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13557

Females

3692

F18-39

3692

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13500

Females

3738

F18-39

3738

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12168

Females

3092

F18-39

3092

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12634

Females

3318

F18-39

3318

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13206

Females

3778

F18-39

3778

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12498

Females

3565

F18-39

3565

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12199

Females

3549

F18-39

3549

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13040

Females

4140

F18-39

4140

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12722

Females

4005

F18-39

4005

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

14021

Females

4799

F18-39

4799

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13154

Females

4393

F18-39

4393

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14929

Females

5474

F18-39

5474

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14967

Females

5514

F18-39

5514

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14454

Females

5177

F18-39

5177

Passing Analysis

Category:
Athletes Passed
2624
Passed By
1199
Net Change
+1425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14585
5K → 10K62389+534#14585#14051
10K → 15K29791+206#14051#13845
15K → 20K49425+469#13845#13376
20K → Half6313+50#13376#13326
Half → 25K194134+60#13326#13266
25K → 30K327141+186#13266#13080
30K → 20M15869+89#13080#12991
20M → 21M11675+41#12991#12950
21M → 35K6147+14#12950#12936
35K → 23M100155-55#12936#12991
23M → 24M7975+4#12991#12987
24M → 40K56124-68#12987#13055
40K → 25.2M2045-25#13055#13080
25.2M → Finish36116-80#13080#13160
TOTALS26241199+1425
📊

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