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BOSTON MARATHON 2025

Caitlin Carter

Bib: 16548•F

FL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:55
Rank: #26948
Start → 5K
32:55 | 10:36/mi
10K· 6.21 mi
1:05:08
Rank: #26457 (+491)
5K → 10K
32:13 | 10:22/mi
15K· 9.32 mi
1:38:48
Rank: #26458 (-1)
10K → 15K
33:40 | 10:50/mi
20K· 12.43 mi
2:13:33
Rank: #26406 (+52)
15K → 20K
34:45 | 11:11/mi
Half· 13.11 mi
2:20:55
Rank: #26403 (+3)
20K → Half
7:22 | 10:48/mi
25K· 15.53 mi
2:48:19
Rank: #26247 (+156)
Half → 25K
27:24 | 11:18/mi
30K· 18.64 mi
3:25:34
Rank: #26118 (+129)
25K → 30K
37:15 | 11:59/mi
20M
3:41:50
Rank: #26054 (+64)
30K → 20M
16:16 | 11:58/mi
21M
3:55:01
Rank: #26022 (+32)
20M → 21M
13:11 | 13:11/mi
35K· 21.75 mi
4:05:41
Rank: #26144 (-122)
21M → 35K
10:40 | 14:15/mi
23M
4:21:02
Rank: #26124 (+20)
35K → 23M
15:21 | 12:16/mi
24M
4:33:54
Rank: #26163 (-39)
23M → 24M
12:52 | 12:52/mi
40K· 24.85 mi
4:47:34
Rank: #26320 (-157)
24M → 40K
13:40 | 15:59/mi
25.2M
4:52:40
Rank: #26343 (-23)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
5:03:36
Rank: #26310 (+33)
25.2M → Finish
10:56 | 10:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:55
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:42:41
Pace12:25 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0932:5510:3632:55
10:36
-
10K
6.21 mi11:30:221:05:0810:2932:13
10:22
-0:14
15K
9.32 mi12:04:021:38:4810:3633:40
10:50
+0:28
20K
12.43 mi12:38:472:13:3310:4534:45
11:11
+0:21
Half
13.11 mi12:46:092:20:5510:457:22
10:48
-0:23
25K
15.53 mi13:13:332:48:1910:5027:24
11:18
+0:30
30K
18.64 mi13:50:483:25:3411:0237:15
11:59
+0:41
20M
20.00 mi14:07:043:41:5011:0516:16
11:58
-0:01
21M
21.00 mi14:20:153:55:0111:1113:11
13:11
+1:13
35K
21.75 mi14:30:554:05:4111:1810:40
14:15
+1:04
23M
23.00 mi14:46:164:21:0211:2115:21
12:16
-1:59
24M
24.00 mi14:59:084:33:5411:2512:52
12:52
+0:36
40K
24.85 mi15:12:484:47:3411:3413:40
15:59
+3:07
25.2M
25.20 mi15:17:544:52:4011:375:06
14:47
-1:12
Finish
26.22 mi15:28:505:03:3611:3510:56
10:44
-4:03

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

10:22 /mi

Average Pace

11:35 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:06

39% of race

Time at Steady Pace

2:11:01

43% of race

Time at Slower Pace

55:29

18% of race

Average Pace: 11:35 /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 mi10:58:0932:5510:3632:55
10:36
#26948
10K
6.21 mi11:30:221:05:0810:2932:13
10:22
#26457
15K
9.32 mi12:04:021:38:4810:3633:40
10:50
#26458
20K
12.43 mi12:38:472:13:3310:4534:45
11:11
#26406
Half
13.11 mi12:46:092:20:5510:457:22
10:48
#26403
25K
15.53 mi13:13:332:48:1910:5027:24
11:18
#26247
30K
18.64 mi13:50:483:25:3411:0237:15
11:59
#26118
20M
20.00 mi14:07:043:41:5011:0516:16
11:58
#26054
21M
21.00 mi14:20:153:55:0111:1113:11
13:11
#26022
35K
21.75 mi14:30:554:05:4111:1810:40
14:15
#26144
23M
23.00 mi14:46:164:21:0211:2115:21
12:16
#26124
24M
24.00 mi14:59:084:33:5411:2512:52
12:52
#26163
40K
24.85 mi15:12:484:47:3411:3413:40
15:59
#26320
25.2M
25.20 mi15:17:544:52:4011:375:06
14:47
#26343
Finish
26.22 mi15:28:505:03:3611:3510:56
10:44
#26310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26948112951129526458(Top 93%)11039(Top 90%)11039(Top 202%)
10K6.21 mi3.10 mi26457+49111028+26711028+26726043(Top 92%)10817(Top 88%)10817(Top 198%)
15K9.32 mi3.11 mi26458-111030-211030-226458(Top 93%)11039(Top 90%)11039(Top 202%)
20K12.43 mi3.11 mi26406+5211013+1711013+1726274(Top 93%)10956(Top 90%)10956(Top 200%)
Half13.11 mi0.68 mi26403+311009+411009+426229(Top 92%)10959(Top 90%)10959(Top 200%)
25K15.53 mi2.42 mi26247+15610919+9010919+9025617(Top 90%)10641(Top 87%)10641(Top 195%)
30K18.64 mi3.11 mi26118+12910888+3110888+3125581(Top 90%)10718(Top 88%)10718(Top 196%)
20M20.00 mi1.36 mi26054+6410866+2210866+2225209(Top 89%)10589(Top 87%)10589(Top 194%)
21M21.00 mi1.00 mi26022+3210860+610860+625288(Top 89%)10717(Top 88%)10717(Top 196%)
35K21.75 mi0.75 mi26144-12210935-7510935-7527806(Top 98%)12013(Top 98%)12013(Top 220%)
23M23.00 mi1.25 mi26124+2010934+110934+125480(Top 90%)10848(Top 89%)10848(Top 198%)
24M24.00 mi1.00 mi26163-3910967-3310967-3326694(Top 94%)11477(Top 94%)11477(Top 210%)
40K24.85 mi0.85 mi26320-15711068-10111068-10128095(Top 99%)12132(Top 99%)12132(Top 222%)
25.2M25.20 mi0.35 mi26343-2311078-1011078-1026957(Top 95%)11642(Top 95%)11642(Top 213%)
Finish26.22 mi1.02 mi26310+3311064+1411064+1424780(Top 87%)10554(Top 86%)10554(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26458

Females

11039

F18-39

11039

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26043

Females

10817

F18-39

10817

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26458

Females

11039

F18-39

11039

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26274

Females

10956

F18-39

10956

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26229

Females

10959

F18-39

10959

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25617

Females

10641

F18-39

10641

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25581

Females

10718

F18-39

10718

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25209

Females

10589

F18-39

10589

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25288

Females

10717

F18-39

10717

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27806

Females

12013

F18-39

12013

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25480

Females

10848

F18-39

10848

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26694

Females

11477

F18-39

11477

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28095

Females

12132

F18-39

12132

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26957

Females

11642

F18-39

11642

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24780

Females

10554

F18-39

10554

Passing Analysis

Category:
Athletes Passed
1421
Passed By
783
Net Change
+638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26948
5K → 10K51322+491#26948#26457
10K → 15K125126-1#26457#26458
15K → 20K14391+52#26458#26406
20K → Half2320+3#26406#26403
Half → 25K17923+156#26403#26247
25K → 30K16536+129#26247#26118
30K → 20M9228+64#26118#26054
20M → 21M5321+32#26054#26022
21M → 35K8130-122#26022#26144
35K → 23M5232+20#26144#26124
23M → 24M1857-39#26124#26163
24M → 40K1158-157#26163#26320
40K → 25.2M528-23#26320#26343
25.2M → Finish4411+33#26343#26310
TOTALS1421783+638
📊

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