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BOSTON MARATHON 2025

Brynn Ensmigner

Bib: 27015•F

OR

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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
27:21
Rank: #21540
Start → 5K
8:48/mi
27:21 split
10K· 6.21 mi
55:05
Rank: #21790 (-250)
5K → 10K
8:56/mi
27:44 split
15K· 9.32 mi
1:23:36
Rank: #22161 (-371)
10K → 15K
9:11/mi
28:31 split
20K· 12.43 mi
1:56:50
Rank: #23472 (-1311)
15K → 20K
10:42/mi
33:14 split
Half· 13.11 mi
2:03:32
Rank: #23532 (-60)
20K → Half
9:49/mi
6:42 split
25K· 15.53 mi
2:31:59
Rank: #24204 (-672)
Half → 25K
11:44/mi
28:27 split
30K· 18.64 mi
3:03:08
Rank: #23743 (+461)
25K → 30K
10:02/mi
31:09 split
20M
3:17:02
Rank: #23588 (+155)
30K → 20M
10:14/mi
13:54 split
21M
3:27:39
Rank: #23404 (+184)
20M → 21M
10:37/mi
10:37 split
35K· 21.75 mi
3:36:07
Rank: #23452 (-48)
21M → 35K
11:19/mi
8:28 split
23M
3:51:15
Rank: #23628 (-176)
35K → 23M
12:05/mi
15:08 split
24M
4:02:02
Rank: #23623 (+5)
23M → 24M
10:47/mi
10:47 split
40K· 24.85 mi
4:12:44
Rank: #23736 (-113)
24M → 40K
12:31/mi
10:42 split
25.2M
4:17:00
Rank: #23747 (-11)
40K → 25.2M
12:22/mi
4:16 split
Finish· 26.22 mi
4:26:23
Rank: #23636 (+111)
25.2M → Finish
9:12/mi
9:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:32
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:22:51
Pace10:54 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4527:218:4827:21
8:48
-
10K
6.21 mi12:12:2955:058:5227:44
8:56
+0:08
15K
9.32 mi12:41:001:23:368:5828:31
9:11
+0:15
20K
12.43 mi13:14:141:56:509:2433:14
10:42
+1:31
Half
13.11 mi13:20:562:03:329:256:42
9:49
-0:53
25K
15.53 mi13:49:232:31:599:4728:27
11:44
+1:55
30K
18.64 mi14:20:323:03:089:4931:09
10:02
-1:42
20M
20.00 mi14:34:263:17:029:5113:54
10:14
+0:12
21M
21.00 mi14:45:033:27:399:5310:37
10:37
+0:23
35K
21.75 mi14:53:313:36:079:568:28
11:19
+0:42
23M
23.00 mi15:08:393:51:1510:0315:08
12:05
+0:46
24M
24.00 mi15:19:264:02:0210:0510:47
10:47
-1:18
40K
24.85 mi15:30:084:12:4410:1010:42
12:31
+1:44
25.2M
25.20 mi15:34:244:17:0010:124:16
12:22
-0:09
Finish
26.22 mi15:43:474:26:2310:109:23
9:12
-3:10

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

8:48 /mi

Average Pace

10:10 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:41

37% of race

Time at Steady Pace

1:39:41

37% of race

Time at Slower Pace

1:07:01

25% of race

Average Pace: 10:10 /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 mi11:44:4527:218:4827:21
8:48
#21540
10K
6.21 mi12:12:2955:058:5227:44
8:56
#21790
15K
9.32 mi12:41:001:23:368:5828:31
9:11
#22161
20K
12.43 mi13:14:141:56:509:2433:14
10:42
#23472
Half
13.11 mi13:20:562:03:329:256:42
9:49
#23532
25K
15.53 mi13:49:232:31:599:4728:27
11:44
#24204
30K
18.64 mi14:20:323:03:089:4931:09
10:02
#23743
20M
20.00 mi14:34:263:17:029:5113:54
10:14
#23588
21M
21.00 mi14:45:033:27:399:5310:37
10:37
#23404
35K
21.75 mi14:53:313:36:079:568:28
11:19
#23452
23M
23.00 mi15:08:393:51:1510:0315:08
12:05
#23628
24M
24.00 mi15:19:264:02:0210:0510:47
10:47
#23623
40K
24.85 mi15:30:084:12:4410:1010:42
12:31
#23736
25.2M
25.20 mi15:34:244:17:0010:124:16
12:22
#23747
Finish
26.22 mi15:43:474:26:2310:109:23
9:12
#23636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215408382838222792(Top 80%)8996(Top 74%)8996(Top 164%)
10K6.21 mi3.10 mi21790-2508496-1148496-11422078(Top 78%)8640(Top 71%)8640(Top 158%)
15K9.32 mi3.11 mi22161-3718682-1868682-18622792(Top 80%)8996(Top 74%)8996(Top 164%)
20K12.43 mi3.11 mi23472-13119386-7049386-70425532(Top 90%)10555(Top 86%)10555(Top 193%)
Half13.11 mi0.68 mi23532-609422-369422-3624440(Top 86%)9961(Top 81%)9961(Top 182%)
25K15.53 mi2.42 mi24204-6729823-4019823-40126143(Top 92%)10937(Top 89%)10937(Top 200%)
30K18.64 mi3.11 mi23743+4619597+2269597+22621680(Top 76%)8606(Top 70%)8606(Top 157%)
20M20.00 mi1.36 mi23588+1559531+669531+6621667(Top 76%)8722(Top 71%)8722(Top 159%)
21M21.00 mi1.00 mi23404+1849447+849447+8420380(Top 72%)8126(Top 66%)8126(Top 149%)
35K21.75 mi0.75 mi23452-489488-419488-4124805(Top 87%)10475(Top 86%)10475(Top 192%)
23M23.00 mi1.25 mi23628-1769594-1069594-10625252(Top 89%)10736(Top 88%)10736(Top 196%)
24M24.00 mi1.00 mi23623+59612-189612-1823536(Top 83%)9893(Top 81%)9893(Top 181%)
40K24.85 mi0.85 mi23736-1139688-769688-7625684(Top 90%)10986(Top 90%)10986(Top 201%)
25.2M25.20 mi0.35 mi23747-119693-59693-523977(Top 84%)10153(Top 83%)10153(Top 186%)
Finish26.22 mi1.02 mi23636+1119659+349659+3420016(Top 70%)8164(Top 67%)8164(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22792

Females

8996

F18-39

8996

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22078

Females

8640

F18-39

8640

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22792

Females

8996

F18-39

8996

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25532

Females

10555

F18-39

10555

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24440

Females

9961

F18-39

9961

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26143

Females

10937

F18-39

10937

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21680

Females

8606

F18-39

8606

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21667

Females

8722

F18-39

8722

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20380

Females

8126

F18-39

8126

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24805

Females

10475

F18-39

10475

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25252

Females

10736

F18-39

10736

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23536

Females

9893

F18-39

9893

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25684

Females

10986

F18-39

10986

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23977

Females

10153

F18-39

10153

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

20016

Females

8164

F18-39

8164

Passing Analysis

Category:
Athletes Passed
1389
Passed By
3485
Net Change
-2096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21540
5K → 10K167417-250#21540#21790
10K → 15K100471-371#21790#22161
15K → 20K151326-1311#22161#23472
20K → Half1171-60#23472#23532
Half → 25K16688-672#23532#24204
25K → 30K47110+461#24204#23743
30K → 20M16712+155#23743#23588
20M → 21M19612+184#23588#23404
21M → 35K2977-48#23404#23452
35K → 23M27203-176#23452#23628
23M → 24M5146+5#23628#23623
24M → 40K14127-113#23623#23736
40K → 25.2M718-11#23736#23747
25.2M → Finish1187+111#23747#23636
TOTALS13893485-2096
📊

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