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BOSTON MARATHON 2025

Rachel Miller

Bib: 23526•F

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:44/mi
27:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:20:38
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:47:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:53:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:14:56
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:44:42
↑ 181↓ 1480.2%
20M
10:07/mi
2:58:27
↑ 64↓ 500.2%
21M
10:59/mi
3:09:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:15/mi
3:17:06
↑ 17↓ 861.7%
23M
13:50/mi
3:34:25
↑ 23↓ 630.6%
24M
10:44/mi
3:45:09
↓ 821.3%
40K· 24.85 mi
10:55/mi
3:54:29
↓ 200.3%
25.2M
11:45/mi
3:58:32
↑ 13↓ 160.2%
Finish· 26.22 mi
10:08/mi
4:08:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:36
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:15:16
Pace10:19 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0627:078:4427:07
8:44
-
10K
6.21 mi11:53:5153:528:4026:45
8:37
-0:07
15K
9.32 mi12:20:371:20:388:3926:46
8:37
0:00
20K
12.43 mi12:47:411:47:428:4027:04
8:43
+0:06
Half
13.11 mi12:53:351:53:368:405:54
8:39
-0:04
25K
15.53 mi13:14:552:14:568:4121:20
8:48
+0:09
30K
18.64 mi13:44:412:44:428:5029:46
9:35
+0:47
20M
20.00 mi13:58:262:58:278:5513:45
10:07
+0:32
21M
21.00 mi14:09:253:09:269:0110:59
10:59
+0:52
35K
21.75 mi14:17:053:17:069:047:40
10:15
-0:44
23M
23.00 mi14:34:243:34:259:1917:19
13:50
+3:35
24M
24.00 mi14:45:083:45:099:2310:44
10:44
-3:06
40K
24.85 mi14:54:283:54:299:269:20
10:55
+0:11
25.2M
25.20 mi14:58:313:58:329:284:03
11:45
+0:50
Finish
26.22 mi15:08:514:08:529:3010:20
10:08
-1:37

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

8:37 /mi

Average Pace

9:30 /mi

Slowest Pace

13:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:56

54% of race

Time at Steady Pace

1:12:15

29% of race

Time at Slower Pace

41:41

17% of race

Average Pace: 9:29 /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 mi11:27:0627:078:4427:07
8:44
#21143
10K
6.21 mi11:53:5153:528:4026:45
8:37
#20747
15K
9.32 mi12:20:371:20:388:3926:46
8:37
#20494
20K
12.43 mi12:47:411:47:428:4027:04
8:43
#20229
Half
13.11 mi12:53:351:53:368:405:54
8:39
#20219
25K
15.53 mi13:14:552:14:568:4121:20
8:48
#19987
30K
18.64 mi13:44:412:44:428:5029:46
9:35
#20072
20M
20.00 mi13:58:262:58:278:5513:45
10:07
#20182
21M
21.00 mi14:09:253:09:269:0110:59
10:59
#20299
35K
21.75 mi14:17:053:17:069:047:40
10:15
#20418
23M
23.00 mi14:34:243:34:259:1917:19
13:50
#21322
24M
24.00 mi14:45:083:45:099:2310:44
10:44
#21435
40K
24.85 mi14:54:283:54:299:269:20
10:55
#21509
25.2M
25.20 mi14:58:313:58:329:284:03
11:45
#21535
Finish
26.22 mi15:08:514:08:529:3010:20
10:08
#21600
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi211438161816120023(Top 70%)7456(Top 61%)7456(Top 572%)
10K6.21 mi3.10 mi20747+3967913+2487913+24820415(Top 72%)7697(Top 63%)7697(Top 591%)
15K9.32 mi3.11 mi20494+2537749+1647749+16420023(Top 70%)7456(Top 61%)7456(Top 572%)
20K12.43 mi3.11 mi20229+2657607+1427607+14219477(Top 69%)7192(Top 59%)7192(Top 552%)
Half13.11 mi0.68 mi20219+107608-17608-120126(Top 71%)7566(Top 62%)7566(Top 581%)
25K15.53 mi2.42 mi19987+2327475+1337475+13318941(Top 67%)6952(Top 57%)6952(Top 534%)
30K18.64 mi3.11 mi20072-857561-867561-8620281(Top 71%)7817(Top 64%)7817(Top 600%)
20M20.00 mi1.36 mi20182-1107662-1017662-10121352(Top 75%)8551(Top 70%)8551(Top 656%)
21M21.00 mi1.00 mi20299-1177748-867748-8621367(Top 75%)8633(Top 71%)8633(Top 663%)
35K21.75 mi0.75 mi20418-1197823-757823-7522567(Top 79%)9315(Top 76%)9315(Top 715%)
23M23.00 mi1.25 mi21322-9048336-5138336-51327181(Top 96%)11695(Top 96%)11695(Top 898%)
24M24.00 mi1.00 mi21435-1138412-768412-7623402(Top 82%)9827(Top 80%)9827(Top 754%)
40K24.85 mi0.85 mi21509-748481-698481-6922959(Top 81%)9677(Top 79%)9677(Top 743%)
25.2M25.20 mi0.35 mi21535-268503-228503-2222679(Top 80%)9497(Top 78%)9497(Top 729%)
Finish26.22 mi1.02 mi21600-658557-548557-5423361(Top 82%)9847(Top 81%)9847(Top 756%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

20023

Females

7456

F50-54

7456

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20415

Females

7697

F50-54

7697

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

20023

Females

7456

F50-54

7456

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19477

Females

7192

F50-54

7192

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20126

Females

7566

F50-54

7566

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18941

Females

6952

F50-54

6952

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20281

Females

7817

F50-54

7817

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21352

Females

8551

F50-54

8551

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21367

Females

8633

F50-54

8633

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22567

Females

9315

F50-54

9315

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27181

Females

11695

F50-54

11695

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23402

Females

9827

F50-54

9827

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22959

Females

9677

F50-54

9677

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22679

Females

9497

F50-54

9497

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23361

Females

9847

F50-54

9847

Passing Analysis

Category:
Athletes Passed
1991
Passed By
2448
Net Change
-457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21143
5K → 10K542146+396#21143#20747
10K → 15K34289+253#20747#20494
15K → 20K32257+265#20494#20229
20K → Half3828+10#20229#20219
Half → 25K28452+232#20219#19987
25K → 30K199284-85#19987#20072
30K → 20M71181-110#20072#20182
20M → 21M53170-117#20182#20299
21M → 35K30149-119#20299#20418
35K → 23M13917-904#20418#21322
23M → 24M22135-113#21322#21435
24M → 40K31105-74#21435#21509
40K → 25.2M1642-26#21509#21535
25.2M → Finish2893-65#21535#21600
TOTALS19912448-457
📊

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