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BOSTON MARATHON 2025

Camryn Brosnan

Bib: 26934•F

MA

0:00
0:00
/ mi
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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
38:16
Rank: #28301
Start → 5K
38:16 | 12:19/mi
10K· 6.21 mi
1:17:38
Rank: #28288 (+13)
5K → 10K
39:22 | 12:40/mi
15K· 9.32 mi
1:58:24
Rank: #28293 (-5)
10K → 15K
40:46 | 13:07/mi
20K· 12.43 mi
2:43:46
Rank: #28331 (-38)
15K → 20K
45:22 | 14:36/mi
Half· 13.11 mi
2:51:56
Rank: #28313 (+18)
20K → Half
8:10 | 11:58/mi
25K· 15.53 mi
3:30:08
Rank: #28341 (-28)
Half → 25K
38:12 | 15:45/mi
30K· 18.64 mi
4:14:30
Rank: #28298 (+43)
25K → 30K
44:22 | 14:17/mi
20M
4:34:14
Rank: #28289 (+9)
30K → 20M
19:44 | 14:31/mi
21M
4:51:25
Rank: #28300 (-11)
20M → 21M
17:11 | 17:11/mi
35K· 21.75 mi
5:00:53
Rank: #28282 (+18)
21M → 35K
9:28 | 12:39/mi
23M
5:18:30
Rank: #28269 (+13)
35K → 23M
17:37 | 14:04/mi
24M
5:31:25
Rank: #28260 (+9)
23M → 24M
12:55 | 12:55/mi
40K· 24.85 mi
5:44:04
Rank: #28248 (+12)
24M → 40K
12:39 | 14:48/mi
25.2M
5:48:52
Rank: #28239 (+9)
40K → 25.2M
4:48 | 13:55/mi
Finish· 26.22 mi
6:01:17
Rank: #28214 (+25)
25.2M → Finish
12:25 | 12:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:51:56
Pace13:07 /mi
2nd Half
Distance13.11 mi
Time3:09:21
Pace14:27 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:5538:1612:1938:16
12:19
-
10K
6.21 mi12:43:171:17:3812:3039:22
12:40
+0:21
15K
9.32 mi13:24:031:58:2412:4240:46
13:07
+0:27
20K
12.43 mi14:09:252:43:4613:1145:22
14:36
+1:29
Half
13.11 mi14:17:352:51:5613:078:10
11:58
-2:38
25K
15.53 mi14:55:473:30:0813:3238:12
15:45
+3:47
30K
18.64 mi15:40:094:14:3013:3944:22
14:17
-1:28
20M
20.00 mi15:59:534:34:1413:4319:44
14:31
+0:14
21M
21.00 mi16:17:044:51:2513:5317:11
17:11
+2:40
35K
21.75 mi16:26:325:00:5313:509:28
12:39
-4:32
23M
23.00 mi16:44:095:18:3013:5117:37
14:04
+1:25
24M
24.00 mi16:57:045:31:2513:4912:55
12:55
-1:09
40K
24.85 mi17:09:435:44:0413:5112:39
14:48
+1:53
25.2M
25.20 mi17:14:315:48:5213:514:48
13:55
-0:53
Finish
26.22 mi17:26:566:01:1713:4712:25
12:11
-1:44

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

11:58 /mi

Average Pace

13:47 /mi

Slowest Pace

17:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:22

45% of race

Time at Steady Pace

2:11:53

37% of race

Time at Slower Pace

1:08:02

19% of race

Average Pace: 13:47 /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 mi12:03:5538:1612:1938:16
12:19
#28301
10K
6.21 mi12:43:171:17:3812:3039:22
12:40
#28288
15K
9.32 mi13:24:031:58:2412:4240:46
13:07
#28293
20K
12.43 mi14:09:252:43:4613:1145:22
14:36
#28331
Half
13.11 mi14:17:352:51:5613:078:10
11:58
#28313
25K
15.53 mi14:55:473:30:0813:3238:12
15:45
#28341
30K
18.64 mi15:40:094:14:3013:3944:22
14:17
#28298
20M
20.00 mi15:59:534:34:1413:4319:44
14:31
#28289
21M
21.00 mi16:17:044:51:2513:5317:11
17:11
#28300
35K
21.75 mi16:26:325:00:5313:509:28
12:39
#28282
23M
23.00 mi16:44:095:18:3013:5117:37
14:04
#28269
24M
24.00 mi16:57:045:31:2513:4912:55
12:55
#28260
40K
24.85 mi17:09:435:44:0413:5112:39
14:48
#28248
25.2M
25.20 mi17:14:315:48:5213:514:48
13:55
#28239
Finish
26.22 mi17:26:566:01:1713:4712:25
12:11
#28214
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28301121611216128206(Top 99%)12114(Top 99%)12114(Top 222%)
10K6.21 mi3.10 mi28288+1312156+512156+528253(Top 99%)12139(Top 99%)12139(Top 222%)
15K9.32 mi3.11 mi28293-512162-612162-628206(Top 99%)12114(Top 99%)12114(Top 222%)
20K12.43 mi3.11 mi28331-3812185-2312185-2328335(Top 100%)12199(Top 100%)12199(Top 223%)
Half13.11 mi0.68 mi28313+1812175+1012175+1027440(Top 97%)11679(Top 96%)11679(Top 214%)
25K15.53 mi2.42 mi28341-2812195-2012195-2028329(Top 100%)12194(Top 100%)12194(Top 223%)
30K18.64 mi3.11 mi28298+4312177+1812177+1827702(Top 98%)11895(Top 97%)11895(Top 217%)
20M20.00 mi1.36 mi28289+912168+912168+927644(Top 97%)11890(Top 97%)11890(Top 217%)
21M21.00 mi1.00 mi28300-1112179-1112179-1128174(Top 99%)12136(Top 99%)12136(Top 222%)
35K21.75 mi0.75 mi28282+1812171+812171+826618(Top 94%)11405(Top 93%)11405(Top 209%)
23M23.00 mi1.25 mi28269+1312168+312168+327384(Top 96%)11796(Top 96%)11796(Top 216%)
24M24.00 mi1.00 mi28260+912162+612162+626764(Top 94%)11518(Top 94%)11518(Top 211%)
40K24.85 mi0.85 mi28248+1212158+412158+427674(Top 97%)11955(Top 98%)11955(Top 219%)
25.2M25.20 mi0.35 mi28239+912154+412154+426197(Top 92%)11293(Top 92%)11293(Top 206%)
Finish26.22 mi1.02 mi28214+2512141+1312141+1326987(Top 95%)11624(Top 95%)11624(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28206

Females

12114

F18-39

12114

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28253

Females

12139

F18-39

12139

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28206

Females

12114

F18-39

12114

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

28335

Females

12199

F18-39

12199

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27440

Females

11679

F18-39

11679

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

28329

Females

12194

F18-39

12194

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27702

Females

11895

F18-39

11895

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27644

Females

11890

F18-39

11890

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28174

Females

12136

F18-39

12136

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26618

Females

11405

F18-39

11405

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27384

Females

11796

F18-39

11796

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26764

Females

11518

F18-39

11518

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27674

Females

11955

F18-39

11955

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26197

Females

11293

F18-39

11293

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

26987

Females

11624

F18-39

11624

Passing Analysis

Category:
Athletes Passed
230
Passed By
143
Net Change
+87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28301
5K → 10K3421+13#28301#28288
10K → 15K1823-5#28288#28293
15K → 20K543-38#28293#28331
20K → Half180+18#28331#28313
Half → 25K230-28#28313#28341
25K → 30K441+43#28341#28298
30K → 20M123+9#28298#28289
20M → 21M314-11#28289#28300
21M → 35K180+18#28300#28282
35K → 23M174+13#28282#28269
23M → 24M112+9#28269#28260
24M → 40K142+12#28260#28248
40K → 25.2M90+9#28248#28239
25.2M → Finish250+25#28239#28214
TOTALS230143+87
📊

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