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BOSTON MARATHON 2025

Emma Brown

Bib: 9014•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Female)
#0 / 12228
Top 3%
Masters (Masters Women)
#0 / 6759
Top 0.7%
Division (F40-44)
#0 / 1718
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4342
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:52
Rank: #4328 (+14)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:26
Rank: #4339 (-11)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:19
Rank: #4364 (-25)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:26:52
Rank: #4384 (-20)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:46
Rank: #4621 (-237)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:05:25
Rank: #4556 (+65)
25K → 30K
21:39 | 6:58/mi
20M
2:15:00
Rank: #4520 (+36)
30K → 20M
9:35 | 7:03/mi
21M
2:22:36
Rank: #4537 (-17)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:27:37
Rank: #4464 (+73)
21M → 35K
5:01 | 6:42/mi
23M
2:36:41
Rank: #4481 (-17)
35K → 23M
9:04 | 7:14/mi
24M
2:43:37
Rank: #4454 (+27)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:49:43
Rank: #4448 (+6)
24M → 40K
6:06 | 7:08/mi
25.2M
2:52:25
Rank: #4451 (-3)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:59:22
Rank: #4481 (-30)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:52
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:30
Pace7:03 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3620:246:3420:24
6:34
-
10K
6.21 mi11:06:0440:526:3520:28
6:35
+0:01
15K
9.32 mi11:26:381:01:266:3520:34
6:37
+0:02
20K
12.43 mi11:47:311:22:196:3720:53
6:43
+0:06
Half
13.11 mi11:52:041:26:526:384:33
6:40
-0:03
25K
15.53 mi12:08:581:43:466:4116:54
6:58
+0:18
30K
18.64 mi12:30:372:05:256:4421:39
6:58
0:00
20M
20.00 mi12:40:122:15:006:459:35
7:03
+0:05
21M
21.00 mi12:47:482:22:366:477:36
7:36
+0:33
35K
21.75 mi12:52:492:27:376:475:01
6:42
-0:54
23M
23.00 mi13:01:532:36:416:499:04
7:14
+0:32
24M
24.00 mi13:08:492:43:376:496:56
6:56
-0:18
40K
24.85 mi13:14:552:49:436:506:06
7:08
+0:12
25.2M
25.20 mi13:17:372:52:256:512:42
7:50
+0:42
Finish
26.22 mi13:24:342:59:226:516:57
6:49
-1:01

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

6:34 /mi

Average Pace

6:51 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:00

89% of race

Time at Steady Pace

16:40

9% of race

Time at Slower Pace

2:42

2% of race

Average Pace: 6:50 /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 mi10:45:3620:246:3420:24
6:34
#4342
10K
6.21 mi11:06:0440:526:3520:28
6:35
#4328
15K
9.32 mi11:26:381:01:266:3520:34
6:37
#4339
20K
12.43 mi11:47:311:22:196:3720:53
6:43
#4364
Half
13.11 mi11:52:041:26:526:384:33
6:40
#4384
25K
15.53 mi12:08:581:43:466:4116:54
6:58
#4621
30K
18.64 mi12:30:372:05:256:4421:39
6:58
#4556
20M
20.00 mi12:40:122:15:006:459:35
7:03
#4520
21M
21.00 mi12:47:482:22:366:477:36
7:36
#4537
35K
21.75 mi12:52:492:27:376:475:01
6:42
#4464
23M
23.00 mi13:01:532:36:416:499:04
7:14
#4481
24M
24.00 mi13:08:492:43:376:496:56
6:56
#4454
40K
24.85 mi13:14:552:49:436:506:06
7:08
#4448
25.2M
25.20 mi13:17:372:52:256:512:42
7:50
#4451
Finish
26.22 mi13:24:342:59:226:516:57
6:49
#4481
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi43422542544417(Top 16%)266(Top 2%)266(Top 15%)
10K6.21 mi3.10 mi4328+14252+2252+24393(Top 15%)262(Top 2%)262(Top 15%)
15K9.32 mi3.11 mi4339-112522524417(Top 16%)266(Top 2%)266(Top 15%)
20K12.43 mi3.11 mi4364-25257-5257-54640(Top 16%)323(Top 3%)323(Top 19%)
Half13.11 mi0.68 mi4384-20260-3260-35109(Top 18%)374(Top 3%)374(Top 22%)
25K15.53 mi2.42 mi4621-237302-42302-426090(Top 21%)613(Top 5%)613(Top 36%)
30K18.64 mi3.11 mi4556+653023024523(Top 16%)379(Top 3%)379(Top 22%)
20M20.00 mi1.36 mi4520+36311-9311-94438(Top 16%)383(Top 3%)383(Top 22%)
21M21.00 mi1.00 mi4537-17317-6317-65141(Top 18%)641(Top 5%)641(Top 37%)
35K21.75 mi0.75 mi4464+73315+2315+23608(Top 13%)332(Top 3%)332(Top 19%)
23M23.00 mi1.25 mi4481-17327-12327-125141(Top 18%)705(Top 6%)705(Top 41%)
24M24.00 mi1.00 mi4454+27333-6333-64288(Top 15%)510(Top 4%)510(Top 30%)
40K24.85 mi0.85 mi4448+6341-8341-84700(Top 17%)683(Top 6%)683(Top 40%)
25.2M25.20 mi0.35 mi4451-3350-9350-95078(Top 18%)876(Top 7%)876(Top 51%)
Finish26.22 mi1.02 mi4481-30358-8358-84641(Top 16%)736(Top 6%)736(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4417

Females

266

F40-44

266

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4393

Females

262

F40-44

262

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4417

Females

266

F40-44

266

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4640

Females

323

F40-44

323

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5109

Females

374

F40-44

374

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6090

Females

613

F40-44

613

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4523

Females

379

F40-44

379

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4438

Females

383

F40-44

383

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5141

Females

641

F40-44

641

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3608

Females

332

F40-44

332

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5141

Females

705

F40-44

705

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4288

Females

510

F40-44

510

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4700

Females

683

F40-44

683

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5078

Females

876

F40-44

876

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4641

Females

736

F40-44

736

Passing Analysis

Category:
Athletes Passed
1057
Passed By
1196
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4342
5K → 10K146132+14#4342#4328
10K → 15K97108-11#4328#4339
15K → 20K92117-25#4339#4364
20K → Half1333-20#4364#4384
Half → 25K58295-237#4384#4621
25K → 30K170105+65#4621#4556
30K → 20M9054+36#4556#4520
20M → 21M6885-17#4520#4537
21M → 35K829+73#4537#4464
35K → 23M6582-17#4464#4481
23M → 24M6134+27#4481#4454
24M → 40K5650+6#4454#4448
40K → 25.2M1922-3#4448#4451
25.2M → Finish4070-30#4451#4481
TOTALS10571196-139
📊

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