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BOSTON MARATHON 2025

Barb Millott

Bib: 18217•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 49%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:13:41
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:38:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:04:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:33:54
↑ 181↓ 1480.2%
20M
9:06/mi
2:46:16
↑ 64↓ 500.2%
21M
10:05/mi
2:56:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:25/mi
3:03:24
↑ 17↓ 861.7%
23M
9:44/mi
3:15:35
↑ 23↓ 630.6%
24M
9:56/mi
3:25:31
↓ 821.3%
40K· 24.85 mi
9:37/mi
3:33:44
↓ 200.3%
25.2M
8:48/mi
3:36:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:45:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:00:59
Pace9:14 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4024:367:5524:36
7:55
-
10K
6.21 mi11:40:0749:037:5424:27
7:52
-0:03
15K
9.32 mi12:04:451:13:417:5424:38
7:56
+0:04
20K
12.43 mi12:29:441:38:407:5624:59
8:02
+0:06
Half
13.11 mi12:35:101:44:067:565:26
7:58
-0:04
25K
15.53 mi12:55:272:04:238:0020:17
8:22
+0:24
30K
18.64 mi13:24:582:33:548:1529:31
9:30
+1:08
20M
20.00 mi13:37:202:46:168:1912:22
9:06
-0:24
21M
21.00 mi13:47:252:56:218:2410:05
10:05
+0:59
35K
21.75 mi13:54:283:03:248:267:03
9:25
-0:40
23M
23.00 mi14:06:393:15:358:3012:11
9:44
+0:19
24M
24.00 mi14:16:353:25:318:349:56
9:56
+0:12
40K
24.85 mi14:24:483:33:448:368:13
9:37
-0:19
25.2M
25.20 mi14:27:503:36:468:363:02
8:48
-0:49
Finish
26.22 mi14:36:093:45:058:358:19
8:10
-0:38

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

7:52 /mi

Average Pace

8:35 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:42

59% of race

Time at Steady Pace

15:24

7% of race

Time at Slower Pace

1:16:59

34% of race

Average Pace: 8:35 /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 mi11:15:4024:367:5524:36
7:55
#15906
10K
6.21 mi11:40:0749:037:5424:27
7:52
#15628
15K
9.32 mi12:04:451:13:417:5424:38
7:56
#15541
20K
12.43 mi12:29:441:38:407:5624:59
8:02
#15451
Half
13.11 mi12:35:101:44:067:565:26
7:58
#15462
25K
15.53 mi12:55:272:04:238:0020:17
8:22
#15604
30K
18.64 mi13:24:582:33:548:1529:31
9:30
#16570
20M
20.00 mi13:37:202:46:168:1912:22
9:06
#16594
21M
21.00 mi13:47:252:56:218:2410:05
10:05
#16697
35K
21.75 mi13:54:283:03:248:267:03
9:25
#16826
23M
23.00 mi14:06:393:15:358:3012:11
9:44
#17036
24M
24.00 mi14:16:353:25:318:349:56
9:56
#17307
40K
24.85 mi14:24:483:33:448:368:13
9:37
#17407
25.2M
25.20 mi14:27:503:36:468:363:02
8:48
#17287
Finish
26.22 mi14:36:093:45:058:358:19
8:10
#17156
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi159065090509015494(Top 55%)4861(Top 40%)4861(Top 268%)
10K6.21 mi3.10 mi15628+2784914+1764914+17615461(Top 54%)4818(Top 39%)4818(Top 266%)
15K9.32 mi3.11 mi15541+874873+414873+4115494(Top 55%)4861(Top 40%)4861(Top 268%)
20K12.43 mi3.11 mi15451+904833+404833+4015236(Top 54%)4775(Top 39%)4775(Top 263%)
Half13.11 mi0.68 mi15462-114843-104843-1015700(Top 55%)5020(Top 41%)5020(Top 277%)
25K15.53 mi2.42 mi15604-1424948-1054948-10516347(Top 58%)5511(Top 45%)5511(Top 304%)
30K18.64 mi3.11 mi16570-9665566-6185566-61819947(Top 70%)7634(Top 62%)7634(Top 421%)
20M20.00 mi1.36 mi16594-245608-425608-4217327(Top 61%)6324(Top 52%)6324(Top 349%)
21M21.00 mi1.00 mi16697-1035700-925700-9218618(Top 66%)7131(Top 58%)7131(Top 393%)
35K21.75 mi0.75 mi16826-1295786-865786-8620053(Top 71%)8003(Top 65%)8003(Top 441%)
23M23.00 mi1.25 mi17036-2105955-1695955-16919562(Top 69%)7815(Top 64%)7815(Top 431%)
24M24.00 mi1.00 mi17307-2716142-1876142-18721176(Top 75%)8685(Top 71%)8685(Top 479%)
40K24.85 mi0.85 mi17407-1006218-766218-7619134(Top 67%)7696(Top 63%)7696(Top 424%)
25.2M25.20 mi0.35 mi17287+1206159+596159+5910747(Top 38%)3403(Top 28%)3403(Top 188%)
Finish26.22 mi1.02 mi17156+1316106+536106+5314055(Top 49%)4986(Top 41%)4986(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15494

Females

4861

F45-49

4861

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15461

Females

4818

F45-49

4818

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15494

Females

4861

F45-49

4861

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15236

Females

4775

F45-49

4775

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15700

Females

5020

F45-49

5020

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16347

Females

5511

F45-49

5511

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19947

Females

7634

F45-49

7634

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17327

Females

6324

F45-49

6324

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18618

Females

7131

F45-49

7131

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20053

Females

8003

F45-49

8003

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19562

Females

7815

F45-49

7815

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21176

Females

8685

F45-49

8685

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19134

Females

7696

F45-49

7696

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10747

Females

3403

F45-49

3403

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

14055

Females

4986

F45-49

4986

Passing Analysis

Category:
Athletes Passed
1793
Passed By
3043
Net Change
-1250
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15906
5K → 10K478200+278#15906#15628
10K → 15K243156+87#15628#15541
15K → 20K246156+90#15541#15451
20K → Half3445-11#15451#15462
Half → 25K130272-142#15462#15604
25K → 30K551021-966#15604#16570
30K → 20M97121-24#16570#16594
20M → 21M78181-103#16594#16697
21M → 35K30159-129#16697#16826
35K → 23M65275-210#16826#17036
23M → 24M33304-271#17036#17307
24M → 40K40140-100#17307#17407
40K → 25.2M1211+120#17407#17287
25.2M → Finish14312+131#17287#17156
TOTALS17933043-1250
📊

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