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BOSTON MARATHON 2025

Stella Mcdermott

Bib: 28083•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:06
Rank: #19327
Start → 5K
26:06 | 8:24/mi
10K· 6.21 mi
52:32
Rank: #19567 (-240)
5K → 10K
26:26 | 8:30/mi
15K· 9.32 mi
1:18:58
Rank: #19502 (+65)
10K → 15K
26:26 | 8:30/mi
20K· 12.43 mi
1:45:29
Rank: #19197 (+305)
15K → 20K
26:31 | 8:32/mi
Half· 13.11 mi
1:51:17
Rank: #19196 (+1)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:13:11
Rank: #19354 (-158)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:43:50
Rank: #19810 (-456)
25K → 30K
30:39 | 9:52/mi
20M
2:57:26
Rank: #19945 (-135)
30K → 20M
13:36 | 10:00/mi
21M
3:08:02
Rank: #19967 (-22)
20M → 21M
10:36 | 10:36/mi
35K· 21.75 mi
3:14:50
Rank: #19926 (+41)
21M → 35K
6:48 | 9:05/mi
23M
3:29:49
Rank: #20477 (-551)
35K → 23M
14:59 | 11:58/mi
24M
3:40:53
Rank: #20751 (-274)
23M → 24M
11:04 | 11:04/mi
40K· 24.85 mi
3:49:56
Rank: #20824 (-73)
24M → 40K
9:03 | 10:35/mi
25.2M
3:53:51
Rank: #20825 (-1)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:02:34
Rank: #20717 (+108)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:17
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:11:17
Pace10:01 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3526:068:2426:06
8:24
-
10K
6.21 mi12:09:0152:328:2726:26
8:30
+0:06
15K
9.32 mi12:35:271:18:588:2826:26
8:30
0:00
20K
12.43 mi13:01:581:45:298:2926:31
8:32
+0:02
Half
13.11 mi13:07:461:51:178:295:48
8:30
-0:02
25K
15.53 mi13:29:402:13:118:3421:54
9:02
+0:32
30K
18.64 mi14:00:192:43:508:4730:39
9:52
+0:50
20M
20.00 mi14:13:552:57:268:5213:36
10:00
+0:08
21M
21.00 mi14:24:313:08:028:5710:36
10:36
+0:36
35K
21.75 mi14:31:193:14:508:586:48
9:05
-1:31
23M
23.00 mi14:46:183:29:499:0714:59
11:58
+2:53
24M
24.00 mi14:57:223:40:539:1211:04
11:04
-0:54
40K
24.85 mi15:06:253:49:569:159:03
10:35
-0:29
25.2M
25.20 mi15:10:203:53:519:173:55
11:21
+0:46
Finish
26.22 mi15:19:034:02:349:158:43
8:33
-2:48

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

8:24 /mi

Average Pace

9:15 /mi

Slowest Pace

11:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:06

11% of race

Time at Steady Pace

2:02:36

51% of race

Time at Slower Pace

1:33:52

39% of race

Average Pace: 9:15 /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 mi11:42:3526:068:2426:06
8:24
#19327
10K
6.21 mi12:09:0152:328:2726:26
8:30
#19567
15K
9.32 mi12:35:271:18:588:2826:26
8:30
#19502
20K
12.43 mi13:01:581:45:298:2926:31
8:32
#19197
Half
13.11 mi13:07:461:51:178:295:48
8:30
#19196
25K
15.53 mi13:29:402:13:118:3421:54
9:02
#19354
30K
18.64 mi14:00:192:43:508:4730:39
9:52
#19810
20M
20.00 mi14:13:552:57:268:5213:36
10:00
#19945
21M
21.00 mi14:24:313:08:028:5710:36
10:36
#19967
35K
21.75 mi14:31:193:14:508:586:48
9:05
#19926
23M
23.00 mi14:46:183:29:499:0714:59
11:58
#20477
24M
24.00 mi14:57:223:40:539:1211:04
11:04
#20751
40K
24.85 mi15:06:253:49:569:159:03
10:35
#20824
25.2M
25.20 mi15:10:203:53:519:173:55
11:21
#20825
Finish
26.22 mi15:19:034:02:349:158:43
8:33
#20717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi193277099709919390(Top 68%)7119(Top 58%)7119(Top 130%)
10K6.21 mi3.10 mi19567-2407223-1247223-12419863(Top 70%)7396(Top 60%)7396(Top 135%)
15K9.32 mi3.11 mi19502+657182+417182+4119390(Top 68%)7119(Top 58%)7119(Top 130%)
20K12.43 mi3.11 mi19197+3057018+1647018+16418483(Top 65%)6622(Top 54%)6622(Top 121%)
Half13.11 mi0.68 mi19196+17024-67024-619291(Top 68%)7082(Top 58%)7082(Top 129%)
25K15.53 mi2.42 mi19354-1587121-977121-9720067(Top 71%)7572(Top 62%)7572(Top 138%)
30K18.64 mi3.11 mi19810-4567409-2887409-28821206(Top 75%)8344(Top 68%)8344(Top 153%)
20M20.00 mi1.36 mi19945-1357515-1067515-10620975(Top 74%)8343(Top 68%)8343(Top 153%)
21M21.00 mi1.00 mi19967-227553-387553-3820327(Top 72%)8089(Top 66%)8089(Top 148%)
35K21.75 mi0.75 mi19926+417544+97544+918708(Top 66%)7316(Top 60%)7316(Top 134%)
23M23.00 mi1.25 mi20477-5517875-3317875-33125076(Top 88%)10642(Top 87%)10642(Top 195%)
24M24.00 mi1.00 mi20751-2748041-1668041-16624136(Top 85%)10185(Top 83%)10185(Top 186%)
40K24.85 mi0.85 mi20824-738101-608101-6022156(Top 78%)9278(Top 76%)9278(Top 170%)
25.2M25.20 mi0.35 mi20825-18118-178118-1721693(Top 76%)8999(Top 74%)8999(Top 165%)
Finish26.22 mi1.02 mi20717+1088065+538065+5316617(Top 59%)6375(Top 52%)6375(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19390

Females

7119

F18-39

7119

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19863

Females

7396

F18-39

7396

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19390

Females

7119

F18-39

7119

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

18483

Females

6622

F18-39

6622

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19291

Females

7082

F18-39

7082

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20067

Females

7572

F18-39

7572

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21206

Females

8344

F18-39

8344

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20975

Females

8343

F18-39

8343

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20327

Females

8089

F18-39

8089

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18708

Females

7316

F18-39

7316

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25076

Females

10642

F18-39

10642

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24136

Females

10185

F18-39

10185

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22156

Females

9278

F18-39

9278

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21693

Females

8999

F18-39

8999

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16617

Females

6375

F18-39

6375

Passing Analysis

Category:
Athletes Passed
1433
Passed By
2823
Net Change
-1390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19327
5K → 10K158398-240#19327#19567
10K → 15K221156+65#19567#19502
15K → 20K36156+305#19502#19197
20K → Half3736+1#19197#19196
Half → 25K122280-158#19196#19354
25K → 30K105561-456#19354#19810
30K → 20M63198-135#19810#19945
20M → 21M88110-22#19945#19967
21M → 35K7231+41#19967#19926
35K → 23M16567-551#19926#20477
23M → 24M11285-274#20477#20751
24M → 40K32105-73#20751#20824
40K → 25.2M3334-1#20824#20825
25.2M → Finish1146+108#20825#20717
TOTALS14332823-1390
📊

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