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BOSTON MARATHON 2025

Denise Mcmillan

Bib: 23585•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
Masters (Masters Women)
#0 / 6759
Top 36%
Division (F50-54)
#0 / 1303
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #17402
Start → 5K
8:06/mi
25:11 split
10K· 6.21 mi
50:09
Rank: #17047 (+355)
5K → 10K
8:02/mi
24:58 split
15K· 9.32 mi
1:15:15
Rank: #16886 (+161)
10K → 15K
8:05/mi
25:06 split
20K· 12.43 mi
1:40:35
Rank: #16637 (+249)
15K → 20K
8:09/mi
25:20 split
Half· 13.11 mi
1:46:04
Rank: #16603 (+34)
20K → Half
8:02/mi
5:29 split
25K· 15.53 mi
2:06:47
Rank: #16719 (-116)
Half → 25K
8:33/mi
20:43 split
30K· 18.64 mi
2:34:14
Rank: #16684 (+35)
25K → 30K
8:50/mi
27:27 split
20M
2:46:39
Rank: #16723 (-39)
30K → 20M
9:08/mi
12:25 split
21M
2:56:27
Rank: #16727 (-4)
20M → 21M
9:48/mi
9:48 split
35K· 21.75 mi
3:03:03
Rank: #16733 (-6)
21M → 35K
8:49/mi
6:36 split
23M
3:14:38
Rank: #16765 (-32)
35K → 23M
9:15/mi
11:35 split
24M
3:23:32
Rank: #16764 (+1)
23M → 24M
8:54/mi
8:54 split
40K· 24.85 mi
3:31:14
Rank: #16734 (+30)
24M → 40K
9:00/mi
7:42 split
25.2M
3:34:47
Rank: #16760 (-26)
40K → 25.2M
10:18/mi
3:33 split
Finish· 26.22 mi
3:43:04
Rank: #16644 (+116)
25.2M → Finish
8:08/mi
8:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:04
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3725:118:0625:11
8:06
-
10K
6.21 mi11:49:3550:098:0424:58
8:02
-0:04
15K
9.32 mi12:14:411:15:158:0425:06
8:05
+0:03
20K
12.43 mi12:40:011:40:358:0625:20
8:09
+0:04
Half
13.11 mi12:45:301:46:048:055:29
8:02
-0:07
25K
15.53 mi13:06:132:06:478:1020:43
8:33
+0:31
30K
18.64 mi13:33:402:34:148:1627:27
8:50
+0:17
20M
20.00 mi13:46:052:46:398:2012:25
9:08
+0:18
21M
21.00 mi13:55:532:56:278:249:48
9:48
+0:40
35K
21.75 mi14:02:293:03:038:256:36
8:49
-0:59
23M
23.00 mi14:14:043:14:388:2811:35
9:15
+0:26
24M
24.00 mi14:22:583:23:328:298:54
8:54
-0:21
40K
24.85 mi14:30:403:31:148:307:42
9:00
+0:06
25.2M
25.20 mi14:34:133:34:478:313:33
10:18
+1:18
Finish
26.22 mi14:42:303:43:048:318:17
8:08
-2:10

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

8:02 /mi

Average Pace

8:31 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:21

51% of race

Time at Steady Pace

1:23:47

38% of race

Time at Slower Pace

24:56

11% of race

Average Pace: 8:30 /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 mi11:24:3725:118:0625:11
8:06
#17402
10K
6.21 mi11:49:3550:098:0424:58
8:02
#17047
15K
9.32 mi12:14:411:15:158:0425:06
8:05
#16886
20K
12.43 mi12:40:011:40:358:0625:20
8:09
#16637
Half
13.11 mi12:45:301:46:048:055:29
8:02
#16603
25K
15.53 mi13:06:132:06:478:1020:43
8:33
#16719
30K
18.64 mi13:33:402:34:148:1627:27
8:50
#16684
20M
20.00 mi13:46:052:46:398:2012:25
9:08
#16723
21M
21.00 mi13:55:532:56:278:249:48
9:48
#16727
35K
21.75 mi14:02:293:03:038:256:36
8:49
#16733
23M
23.00 mi14:14:043:14:388:2811:35
9:15
#16765
24M
24.00 mi14:22:583:23:328:298:54
8:54
#16764
40K
24.85 mi14:30:403:31:148:307:42
9:00
#16734
25.2M
25.20 mi14:34:133:34:478:313:33
10:18
#16760
Finish
26.22 mi14:42:303:43:048:318:17
8:08
#16644
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi174025975597516616(Top 58%)5509(Top 45%)5509(Top 423%)
10K6.21 mi3.10 mi17047+3555754+2215754+22116753(Top 59%)5567(Top 46%)5567(Top 427%)
15K9.32 mi3.11 mi16886+1615655+995655+9916616(Top 58%)5509(Top 45%)5509(Top 423%)
20K12.43 mi3.11 mi16637+2495524+1315524+13116025(Top 56%)5227(Top 43%)5227(Top 401%)
Half13.11 mi0.68 mi16603+345505+195505+1916265(Top 57%)5352(Top 44%)5352(Top 411%)
25K15.53 mi2.42 mi16719-1165595-905595-9017459(Top 61%)6115(Top 50%)6115(Top 469%)
30K18.64 mi3.11 mi16684+355627-325627-3216816(Top 59%)5933(Top 49%)5933(Top 455%)
20M20.00 mi1.36 mi16723-395673-465673-4617488(Top 62%)6410(Top 52%)6410(Top 492%)
21M21.00 mi1.00 mi16727-45716-435716-4317490(Top 62%)6526(Top 53%)6526(Top 501%)
35K21.75 mi0.75 mi16733-65733-175733-1717378(Top 61%)6565(Top 54%)6565(Top 504%)
23M23.00 mi1.25 mi16765-325791-585791-5817564(Top 62%)6761(Top 55%)6761(Top 519%)
24M24.00 mi1.00 mi16764+15820-295820-2916862(Top 59%)6416(Top 52%)6416(Top 492%)
40K24.85 mi0.85 mi16734+305833-135833-1316357(Top 58%)6234(Top 51%)6234(Top 478%)
25.2M25.20 mi0.35 mi16760-265866-335866-3318291(Top 64%)7279(Top 60%)7279(Top 559%)
Finish26.22 mi1.02 mi16644+1165815+515815+5113831(Top 49%)4877(Top 40%)4877(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16616

Females

5509

F50-54

5509

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16753

Females

5567

F50-54

5567

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16616

Females

5509

F50-54

5509

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

16025

Females

5227

F50-54

5227

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16265

Females

5352

F50-54

5352

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17459

Females

6115

F50-54

6115

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16816

Females

5933

F50-54

5933

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17488

Females

6410

F50-54

6410

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17490

Females

6526

F50-54

6526

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17378

Females

6565

F50-54

6565

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17564

Females

6761

F50-54

6761

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16862

Females

6416

F50-54

6416

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16357

Females

6234

F50-54

6234

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18291

Females

7279

F50-54

7279

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13831

Females

4877

F50-54

4877

Passing Analysis

Category:
Athletes Passed
2245
Passed By
1487
Net Change
+758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17402
5K → 10K502147+355#17402#17047
10K → 15K286125+161#17047#16886
15K → 20K33687+249#16886#16637
20K → Half5218+34#16637#16603
Half → 25K122238-116#16603#16719
25K → 30K234199+35#16719#16684
30K → 20M99138-39#16684#16723
20M → 21M104108-4#16723#16727
21M → 35K5965-6#16727#16733
35K → 23M107139-32#16733#16765
23M → 24M8382+1#16765#16764
24M → 40K9464+30#16764#16734
40K → 25.2M2652-26#16734#16760
25.2M → Finish14125+116#16760#16644
TOTALS22451487+758
📊

Passing Visuals

Category:
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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