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BOSTON MARATHON 2025

Debra Carlson

Bib: 16262•F

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0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F60-64)
#0 / 624
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #15678
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:57
Rank: #15476 (+202)
5K → 10K
24:25 | 7:52/mi
15K· 9.32 mi
1:13:45
Rank: #15617 (-141)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:38:56
Rank: #15649 (-32)
15K → 20K
25:11 | 8:06/mi
Half· 13.11 mi
1:44:26
Rank: #15677 (-28)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:38
Rank: #15740 (-63)
Half → 25K
20:12 | 8:20/mi
30K· 18.64 mi
2:32:05
Rank: #15927 (-187)
25K → 30K
27:27 | 8:50/mi
20M
2:45:19
Rank: #16287 (-360)
30K → 20M
13:14 | 9:44/mi
21M
2:56:11
Rank: #16645 (-358)
20M → 21M
10:52 | 10:52/mi
35K· 21.75 mi
3:02:32
Rank: #16568 (+77)
21M → 35K
6:21 | 8:29/mi
23M
3:13:42
Rank: #16480 (+88)
35K → 23M
11:10 | 8:55/mi
24M
3:23:12
Rank: #16673 (-193)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:31:15
Rank: #16738 (-65)
24M → 40K
8:03 | 9:25/mi
25.2M
3:34:59
Rank: #16812 (-74)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:43:58
Rank: #16890 (-78)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:59:32
Pace9:07 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:3224:327:5424:32
7:54
-
10K
6.21 mi11:22:5748:577:5324:25
7:52
-0:02
15K
9.32 mi11:47:451:13:457:5524:48
7:59
+0:07
20K
12.43 mi12:12:561:38:567:5825:11
8:06
+0:07
Half
13.11 mi12:18:261:44:267:585:30
8:04
-0:02
25K
15.53 mi12:38:382:04:388:0120:12
8:20
+0:16
30K
18.64 mi13:06:052:32:058:1027:27
8:50
+0:30
20M
20.00 mi13:19:192:45:198:1613:14
9:44
+0:54
21M
21.00 mi13:30:112:56:118:2310:52
10:52
+1:08
35K
21.75 mi13:36:323:02:328:246:21
8:29
-2:23
23M
23.00 mi13:47:423:13:428:2511:10
8:55
+0:26
24M
24.00 mi13:57:123:23:128:289:30
9:30
+0:35
40K
24.85 mi14:05:153:31:158:308:03
9:25
-0:05
25.2M
25.20 mi14:08:593:34:598:323:44
10:50
+1:25
Finish
26.22 mi14:17:583:43:588:338:59
8:49
-2:01

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

8:33 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:38

56% of race

Time at Steady Pace

53:57

24% of race

Time at Slower Pace

45:23

20% of race

Average Pace: 8:33 /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 mi10:58:3224:327:5424:32
7:54
#15678
10K
6.21 mi11:22:5748:577:5324:25
7:52
#15476
15K
9.32 mi11:47:451:13:457:5524:48
7:59
#15617
20K
12.43 mi12:12:561:38:567:5825:11
8:06
#15649
Half
13.11 mi12:18:261:44:267:585:30
8:04
#15677
25K
15.53 mi12:38:382:04:388:0120:12
8:20
#15740
30K
18.64 mi13:06:052:32:058:1027:27
8:50
#15927
20M
20.00 mi13:19:192:45:198:1613:14
9:44
#16287
21M
21.00 mi13:30:112:56:118:2310:52
10:52
#16645
35K
21.75 mi13:36:323:02:328:246:21
8:29
#16568
23M
23.00 mi13:47:423:13:428:2511:10
8:55
#16480
24M
24.00 mi13:57:123:23:128:289:30
9:30
#16673
40K
24.85 mi14:05:153:31:158:308:03
9:25
#16738
25.2M
25.20 mi14:08:593:34:598:323:44
10:50
#16812
Finish
26.22 mi14:17:583:43:588:338:59
8:49
#16890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi156784945494515923(Top 56%)5105(Top 42%)5105(Top 818%)
10K6.21 mi3.10 mi15476+2024822+1234822+12315362(Top 54%)4764(Top 39%)4764(Top 763%)
15K9.32 mi3.11 mi15617-1414908-864908-8615923(Top 56%)5105(Top 42%)5105(Top 818%)
20K12.43 mi3.11 mi15649-324959-514959-5115692(Top 55%)5037(Top 41%)5037(Top 807%)
Half13.11 mi0.68 mi15677-284980-214980-2116445(Top 58%)5450(Top 45%)5450(Top 873%)
25K15.53 mi2.42 mi15740-635018-385018-3816141(Top 57%)5397(Top 44%)5397(Top 865%)
30K18.64 mi3.11 mi15927-1875180-1625180-16216817(Top 59%)5934(Top 49%)5934(Top 951%)
20M20.00 mi1.36 mi16287-3605427-2475427-24720071(Top 71%)7828(Top 64%)7828(Top 1254%)
21M21.00 mi1.00 mi16645-3585666-2395666-23921038(Top 74%)8459(Top 69%)8459(Top 1356%)
35K21.75 mi0.75 mi16568+775644+225644+2215435(Top 54%)5491(Top 45%)5491(Top 880%)
23M23.00 mi1.25 mi16480+885623+215623+2115816(Top 56%)5787(Top 47%)5787(Top 927%)
24M24.00 mi1.00 mi16673-1935760-1375760-13719636(Top 69%)7897(Top 65%)7897(Top 1266%)
40K24.85 mi0.85 mi16738-655836-765836-7618353(Top 65%)7302(Top 60%)7302(Top 1170%)
25.2M25.20 mi0.35 mi16812-745900-645900-6420124(Top 71%)8214(Top 67%)8214(Top 1316%)
Finish26.22 mi1.02 mi16890-785958-585958-5818144(Top 64%)7153(Top 58%)7153(Top 1146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15923

Females

5105

F60-64

5105

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15362

Females

4764

F60-64

4764

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15923

Females

5105

F60-64

5105

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15692

Females

5037

F60-64

5037

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

16445

Females

5450

F60-64

5450

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16141

Females

5397

F60-64

5397

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16817

Females

5934

F60-64

5934

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20071

Females

7828

F60-64

7828

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21038

Females

8459

F60-64

8459

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15435

Females

5491

F60-64

5491

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15816

Females

5787

F60-64

5787

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19636

Females

7897

F60-64

7897

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18353

Females

7302

F60-64

7302

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20124

Females

8214

F60-64

8214

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18144

Females

7153

F60-64

7153

Passing Analysis

Category:
Athletes Passed
1622
Passed By
2834
Net Change
-1212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15678
5K → 10K428226+202#15678#15476
10K → 15K153294-141#15476#15617
15K → 20K201233-32#15617#15649
20K → Half1644-28#15649#15677
Half → 25K164227-63#15677#15740
25K → 30K173360-187#15740#15927
30K → 20M40400-360#15927#16287
20M → 21M39397-358#16287#16645
21M → 35K10225+77#16645#16568
35K → 23M15062+88#16568#16480
23M → 24M26219-193#16480#16673
24M → 40K66131-65#16673#16738
40K → 25.2M1488-74#16738#16812
25.2M → Finish50128-78#16812#16890
TOTALS16222834-1212
📊

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