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BOSTON MARATHON 2025

Heather Magill

Bib: 32453•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F40-44)
#0 / 1718
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:37
Rank: #13147
Start → 5K
23:37 | 7:36/mi
10K· 6.21 mi
45:47
Rank: #10947 (+2200)
5K → 10K
22:10 | 7:08/mi
15K· 9.32 mi
1:08:24
Rank: #10561 (+386)
10K → 15K
22:37 | 7:17/mi
20K· 12.43 mi
1:32:02
Rank: #10817 (-256)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:37:11
Rank: #10862 (-45)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:55:53
Rank: #10984 (-122)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:21:14
Rank: #11252 (-268)
25K → 30K
25:21 | 8:10/mi
20M
2:32:31
Rank: #11302 (-50)
30K → 20M
11:17 | 8:18/mi
21M
2:41:34
Rank: #11410 (-108)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:47:42
Rank: #11500 (-90)
21M → 35K
6:08 | 8:12/mi
23M
2:58:02
Rank: #11481 (+19)
35K → 23M
10:20 | 8:15/mi
24M
3:06:13
Rank: #11490 (-9)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:13:04
Rank: #11421 (+69)
24M → 40K
6:51 | 8:01/mi
25.2M
3:16:03
Rank: #11353 (+68)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:23:37
Rank: #11216 (+137)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3023:377:3623:37
7:36
-
10K
6.21 mi12:06:4045:477:2222:10
7:08
-0:28
15K
9.32 mi12:29:171:08:247:2022:37
7:17
+0:09
20K
12.43 mi12:52:551:32:027:2423:38
7:36
+0:19
Half
13.11 mi12:58:041:37:117:255:09
7:33
-0:03
25K
15.53 mi13:16:461:55:537:2818:42
7:43
+0:10
30K
18.64 mi13:42:072:21:147:3525:21
8:10
+0:27
20M
20.00 mi13:53:242:32:317:3811:17
8:18
+0:08
21M
21.00 mi14:02:272:41:347:429:03
9:03
+0:45
35K
21.75 mi14:08:352:47:427:436:08
8:12
-0:51
23M
23.00 mi14:18:552:58:027:4410:20
8:15
+0:03
24M
24.00 mi14:27:063:06:137:468:11
8:11
-0:04
40K
24.85 mi14:33:573:13:047:466:51
8:01
-0:10
25.2M
25.20 mi14:36:563:16:037:472:59
8:39
+0:38
Finish
26.22 mi14:44:303:23:377:467:34
7:26
-1:13

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

7:08 /mi

Average Pace

7:46 /mi

Slowest Pace

9:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:27

61% of race

Time at Steady Pace

56:51

28% of race

Time at Slower Pace

23:19

11% of race

Average Pace: 7:46 /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 mi11:44:3023:377:3623:37
7:36
#13147
10K
6.21 mi12:06:4045:477:2222:10
7:08
#10947
15K
9.32 mi12:29:171:08:247:2022:37
7:17
#10561
20K
12.43 mi12:52:551:32:027:2423:38
7:36
#10817
Half
13.11 mi12:58:041:37:117:255:09
7:33
#10862
25K
15.53 mi13:16:461:55:537:2818:42
7:43
#10984
30K
18.64 mi13:42:072:21:147:3525:21
8:10
#11252
20M
20.00 mi13:53:242:32:317:3811:17
8:18
#11302
21M
21.00 mi14:02:272:41:347:429:03
9:03
#11410
35K
21.75 mi14:08:352:47:427:436:08
8:12
#11500
23M
23.00 mi14:18:552:58:027:4410:20
8:15
#11481
24M
24.00 mi14:27:063:06:137:468:11
8:11
#11490
40K
24.85 mi14:33:573:13:047:466:51
8:01
#11421
25.2M
25.20 mi14:36:563:16:037:472:59
8:39
#11353
Finish
26.22 mi14:44:303:23:377:467:34
7:26
#11216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi13147339733979849(Top 35%)1826(Top 15%)1826(Top 106%)
10K6.21 mi3.10 mi10947+22002283+11142283+11148976(Top 32%)1369(Top 11%)1369(Top 80%)
15K9.32 mi3.11 mi10561+3862103+1802103+1809849(Top 35%)1826(Top 15%)1826(Top 106%)
20K12.43 mi3.11 mi10817-2562251-1482251-14811668(Top 41%)2818(Top 23%)2818(Top 164%)
Half13.11 mi0.68 mi10862-452275-242275-2412183(Top 43%)3044(Top 25%)3044(Top 177%)
25K15.53 mi2.42 mi10984-1222381-1062381-10611664(Top 41%)2941(Top 24%)2941(Top 171%)
30K18.64 mi3.11 mi11252-2682595-2142595-21412524(Top 44%)3576(Top 29%)3576(Top 208%)
20M20.00 mi1.36 mi11302-502669-742669-7412510(Top 44%)3693(Top 30%)3693(Top 215%)
21M21.00 mi1.00 mi11410-1082767-982767-9813813(Top 49%)4519(Top 37%)4519(Top 263%)
35K21.75 mi0.75 mi11500-902839-722839-7213628(Top 48%)4475(Top 37%)4475(Top 260%)
23M23.00 mi1.25 mi11481+192875-362875-3611743(Top 41%)3603(Top 29%)3603(Top 210%)
24M24.00 mi1.00 mi11490-92913-382913-3812470(Top 44%)4024(Top 33%)4024(Top 234%)
40K24.85 mi0.85 mi11421+692916-32916-310328(Top 36%)3092(Top 25%)3092(Top 180%)
25.2M25.20 mi0.35 mi11353+682898+182898+189783(Top 34%)2909(Top 24%)2909(Top 169%)
Finish26.22 mi1.02 mi11216+1372865+332865+338706(Top 31%)2397(Top 20%)2397(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9849

Females

1826

F40-44

1826

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8976

Females

1369

F40-44

1369

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9849

Females

1826

F40-44

1826

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11668

Females

2818

F40-44

2818

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12183

Females

3044

F40-44

3044

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11664

Females

2941

F40-44

2941

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12524

Females

3576

F40-44

3576

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12510

Females

3693

F40-44

3693

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13813

Females

4519

F40-44

4519

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13628

Females

4475

F40-44

4475

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11743

Females

3603

F40-44

3603

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12470

Females

4024

F40-44

4024

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10328

Females

3092

F40-44

3092

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9783

Females

2909

F40-44

2909

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8706

Females

2397

F40-44

2397

Passing Analysis

Category:
Athletes Passed
3771
Passed By
1840
Net Change
+1931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13147
5K → 10K22022+2200#13147#10947
10K → 15K41933+386#10947#10561
15K → 20K104360-256#10561#10817
20K → Half1964-45#10817#10862
Half → 25K134256-122#10862#10984
25K → 30K147415-268#10984#11252
30K → 20M101151-50#11252#11302
20M → 21M61169-108#11302#11410
21M → 35K40130-90#11410#11500
35K → 23M11293+19#11500#11481
23M → 24M8998-9#11481#11490
24M → 40K11445+69#11490#11421
40K → 25.2M735+68#11421#11353
25.2M → Finish15619+137#11353#11216
TOTALS37711840+1931
📊

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