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BOSTON MARATHON 2025

Carol Burtch

Bib: 15728•F

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:26
Rank: #15379
Start → 5K
24:26 | 7:52/mi
10K· 6.21 mi
49:03
Rank: #15620 (-241)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:13:37
Rank: #15482 (+138)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:38:14
Rank: #15138 (+344)
15K → 20K
24:37 | 7:55/mi
Half· 13.11 mi
1:43:38
Rank: #15138
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:02:50
Rank: #14786 (+352)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:28:12
Rank: #14288 (+498)
25K → 30K
25:22 | 8:10/mi
20M
2:39:18
Rank: #14032 (+256)
30K → 20M
11:06 | 8:10/mi
21M
2:47:44
Rank: #13767 (+265)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:53:41
Rank: #13672 (+95)
21M → 35K
5:57 | 7:57/mi
23M
3:03:52
Rank: #13462 (+210)
35K → 23M
10:11 | 8:08/mi
24M
3:11:46
Rank: #13332 (+130)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:18:28
Rank: #13156 (+176)
24M → 40K
6:42 | 7:50/mi
25.2M
3:21:27
Rank: #13088 (+68)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:29:03
Rank: #12926 (+162)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:38
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:45:25
Pace8:02 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5424:267:5224:26
7:52
-
10K
6.21 mi11:21:3149:037:5424:37
7:55
+0:03
15K
9.32 mi11:46:051:13:377:5424:34
7:54
-0:01
20K
12.43 mi12:10:421:38:147:5424:37
7:55
+0:01
Half
13.11 mi12:16:061:43:387:545:24
7:55
0:00
25K
15.53 mi12:35:182:02:507:5419:12
7:55
0:00
30K
18.64 mi13:00:402:28:127:5725:22
8:10
+0:15
20M
20.00 mi13:11:462:39:187:5811:06
8:10
0:00
21M
21.00 mi13:20:122:47:447:598:26
8:26
+0:16
35K
21.75 mi13:26:092:53:417:595:57
7:57
-0:29
23M
23.00 mi13:36:203:03:528:0010:11
8:08
+0:11
24M
24.00 mi13:44:143:11:467:597:54
7:54
-0:14
40K
24.85 mi13:50:563:18:287:596:42
7:50
-0:04
25.2M
25.20 mi13:53:553:21:278:002:59
8:39
+0:49
Finish
26.22 mi14:01:313:29:037:597:36
7:27
-1:12

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

7:27 /mi

Average Pace

7:59 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:38

95% of race

Time at Steady Pace

11:25

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:56:5424:267:5224:26
7:52
#15379
10K
6.21 mi11:21:3149:037:5424:37
7:55
#15620
15K
9.32 mi11:46:051:13:377:5424:34
7:54
#15482
20K
12.43 mi12:10:421:38:147:5424:37
7:55
#15138
Half
13.11 mi12:16:061:43:387:545:24
7:55
#15138
25K
15.53 mi12:35:182:02:507:5419:12
7:55
#14786
30K
18.64 mi13:00:402:28:127:5725:22
8:10
#14288
20M
20.00 mi13:11:462:39:187:5811:06
8:10
#14032
21M
21.00 mi13:20:122:47:447:598:26
8:26
#13767
35K
21.75 mi13:26:092:53:417:595:57
7:57
#13672
23M
23.00 mi13:36:203:03:528:0010:11
8:08
#13462
24M
24.00 mi13:44:143:11:467:597:54
7:54
#13332
40K
24.85 mi13:50:563:18:287:596:42
7:50
#13156
25.2M
25.20 mi13:53:553:21:278:002:59
8:39
#13088
Finish
26.22 mi14:01:313:29:037:597:36
7:27
#12926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153794764476415304(Top 54%)4748(Top 39%)4748(Top 87%)
10K6.21 mi3.10 mi15620-2414906-1424906-14215848(Top 56%)5032(Top 41%)5032(Top 92%)
15K9.32 mi3.11 mi15482+1384834+724834+7215304(Top 54%)4748(Top 39%)4748(Top 87%)
20K12.43 mi3.11 mi15138+3444656+1784656+17814310(Top 50%)4253(Top 35%)4253(Top 78%)
Half13.11 mi0.68 mi151384658-24658-215222(Top 54%)4719(Top 39%)4719(Top 86%)
25K15.53 mi2.42 mi14786+3524496+1624496+16213257(Top 47%)3800(Top 31%)3800(Top 69%)
30K18.64 mi3.11 mi14288+4984271+2254271+22512569(Top 44%)3603(Top 29%)3603(Top 66%)
20M20.00 mi1.36 mi14032+2564155+1164155+11611641(Top 41%)3263(Top 27%)3263(Top 60%)
21M21.00 mi1.00 mi13767+2654039+1164039+11610099(Top 36%)2665(Top 22%)2665(Top 49%)
35K21.75 mi0.75 mi13672+954003+364003+3611982(Top 42%)3639(Top 30%)3639(Top 67%)
23M23.00 mi1.25 mi13462+2103934+693934+6910974(Top 39%)3220(Top 26%)3220(Top 59%)
24M24.00 mi1.00 mi13332+1303881+533881+5310586(Top 37%)3097(Top 25%)3097(Top 57%)
40K24.85 mi0.85 mi13156+1763815+663815+669093(Top 32%)2514(Top 21%)2514(Top 46%)
25.2M25.20 mi0.35 mi13088+683789+263789+269821(Top 35%)2947(Top 24%)2947(Top 54%)
Finish26.22 mi1.02 mi12926+1623719+703719+708941(Top 31%)2515(Top 21%)2515(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15304

Females

4748

F18-39

4748

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15848

Females

5032

F18-39

5032

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15304

Females

4748

F18-39

4748

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14310

Females

4253

F18-39

4253

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15222

Females

4719

F18-39

4719

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13257

Females

3800

F18-39

3800

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12569

Females

3603

F18-39

3603

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11641

Females

3263

F18-39

3263

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10099

Females

2665

F18-39

2665

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11982

Females

3639

F18-39

3639

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10974

Females

3220

F18-39

3220

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10586

Females

3097

F18-39

3097

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9093

Females

2514

F18-39

2514

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9821

Females

2947

F18-39

2947

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8941

Females

2515

F18-39

2515

Passing Analysis

Category:
Athletes Passed
3290
Passed By
837
Net Change
+2453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15379
5K → 10K219460-241#15379#15620
10K → 15K266128+138#15620#15482
15K → 20K39450+344#15482#15138
20K → Half43430#15138#15138
Half → 25K37927+352#15138#14786
25K → 30K53941+498#14786#14288
30K → 20M27418+256#14288#14032
20M → 21M2705+265#14032#13767
21M → 35K1049+95#13767#13672
35K → 23M22515+210#13672#13462
23M → 24M14818+130#13462#13332
24M → 40K18610+176#13332#13156
40K → 25.2M735+68#13156#13088
25.2M → Finish1708+162#13088#12926
TOTALS3290837+2453
📊

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