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BOSTON MARATHON 2025

Brittany Edelmann

Bib: 20997•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F40-44)
#0 / 1718
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:18
Rank: #15014
Start → 5K
7:49/mi
24:18 split
10K· 6.21 mi
48:28
Rank: #14794 (+220)
5K → 10K
7:47/mi
24:10 split
15K· 9.32 mi
1:12:02
Rank: #14013 (+781)
10K → 15K
7:35/mi
23:34 split
20K· 12.43 mi
1:36:06
Rank: #13651 (+362)
15K → 20K
7:45/mi
24:04 split
Half· 13.11 mi
1:41:22
Rank: #13652 (-1)
20K → Half
7:43/mi
5:16 split
25K· 15.53 mi
2:00:47
Rank: #13663 (-11)
Half → 25K
8:00/mi
19:25 split
30K· 18.64 mi
2:26:48
Rank: #13677 (-14)
25K → 30K
8:22/mi
26:01 split
20M
2:38:55
Rank: #13882 (-205)
30K → 20M
8:55/mi
12:07 split
21M
2:47:45
Rank: #13775 (+107)
20M → 21M
8:50/mi
8:50 split
35K· 21.75 mi
2:53:43
Rank: #13683 (+92)
21M → 35K
7:59/mi
5:58 split
23M
3:04:03
Rank: #13533 (+150)
35K → 23M
8:15/mi
10:20 split
24M
3:12:16
Rank: #13478 (+55)
23M → 24M
8:13/mi
8:13 split
40K· 24.85 mi
3:19:24
Rank: #13423 (+55)
24M → 40K
8:21/mi
7:08 split
25.2M
3:22:25
Rank: #13365 (+58)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:30:29
Rank: #13333 (+32)
25.2M → Finish
7:55/mi
8:04 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:22
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:49:07
Pace8:19 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5224:187:4924:18
7:49
-
10K
6.21 mi11:42:0248:287:4824:10
7:47
-0:02
15K
9.32 mi12:05:361:12:027:4423:34
7:35
-0:12
20K
12.43 mi12:29:401:36:067:4424:04
7:45
+0:10
Half
13.11 mi12:34:561:41:227:445:16
7:43
-0:02
25K
15.53 mi12:54:212:00:477:4719:25
8:00
+0:17
30K
18.64 mi13:20:222:26:487:5326:01
8:22
+0:22
20M
20.00 mi13:32:292:38:557:5712:07
8:55
+0:33
21M
21.00 mi13:41:192:47:457:598:50
8:50
-0:05
35K
21.75 mi13:47:172:53:437:595:58
7:59
-0:51
23M
23.00 mi13:57:373:04:038:0010:20
8:15
+0:16
24M
24.00 mi14:05:503:12:168:018:13
8:13
-0:02
40K
24.85 mi14:12:583:19:248:017:08
8:21
+0:08
25.2M
25.20 mi14:15:593:22:258:023:01
8:45
+0:24
Finish
26.22 mi14:24:033:30:298:028:04
7:55
-0:50

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

7:35 /mi

Average Pace

8:02 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:22

73% of race

Time at Steady Pace

57:07

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:17:5224:187:4924:18
7:49
#15014
10K
6.21 mi11:42:0248:287:4824:10
7:47
#14794
15K
9.32 mi12:05:361:12:027:4423:34
7:35
#14013
20K
12.43 mi12:29:401:36:067:4424:04
7:45
#13651
Half
13.11 mi12:34:561:41:227:445:16
7:43
#13652
25K
15.53 mi12:54:212:00:477:4719:25
8:00
#13663
30K
18.64 mi13:20:222:26:487:5326:01
8:22
#13677
20M
20.00 mi13:32:292:38:557:5712:07
8:55
#13882
21M
21.00 mi13:41:192:47:457:598:50
8:50
#13775
35K
21.75 mi13:47:172:53:437:595:58
7:59
#13683
23M
23.00 mi13:57:373:04:038:0010:20
8:15
#13533
24M
24.00 mi14:05:503:12:168:018:13
8:13
#13478
40K
24.85 mi14:12:583:19:248:017:08
8:21
#13423
25.2M
25.20 mi14:15:593:22:258:023:01
8:45
#13365
Finish
26.22 mi14:24:033:30:298:028:04
7:55
#13333
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150144535453512490(Top 44%)3164(Top 26%)3164(Top 184%)
10K6.21 mi3.10 mi14794+2204427+1084427+10814633(Top 52%)4327(Top 35%)4327(Top 252%)
15K9.32 mi3.11 mi14013+7813975+4523975+45212490(Top 44%)3164(Top 26%)3164(Top 184%)
20K12.43 mi3.11 mi13651+3623811+1643811+16412832(Top 45%)3453(Top 28%)3453(Top 201%)
Half13.11 mi0.68 mi13652-13819-83819-813627(Top 48%)3849(Top 31%)3849(Top 224%)
25K15.53 mi2.42 mi13663-113853-343853-3413962(Top 49%)4184(Top 34%)4184(Top 244%)
30K18.64 mi3.11 mi13677-143923-703923-7013983(Top 49%)4352(Top 36%)4352(Top 253%)
20M20.00 mi1.36 mi13882-2054078-1554078-15516340(Top 58%)5788(Top 47%)5788(Top 337%)
21M21.00 mi1.00 mi13775+1074046+324046+3212539(Top 44%)3886(Top 32%)3886(Top 226%)
35K21.75 mi0.75 mi13683+924010+364010+3612150(Top 43%)3724(Top 30%)3724(Top 217%)
23M23.00 mi1.25 mi13533+1503973+373973+3711753(Top 41%)3613(Top 30%)3613(Top 210%)
24M24.00 mi1.00 mi13478+553964+93964+912709(Top 45%)4164(Top 34%)4164(Top 242%)
40K24.85 mi0.85 mi13423+553954+103954+1012444(Top 44%)4153(Top 34%)4153(Top 242%)
25.2M25.20 mi0.35 mi13365+583935+193935+1910391(Top 37%)3227(Top 26%)3227(Top 188%)
Finish26.22 mi1.02 mi13333+323943-83943-812320(Top 43%)4090(Top 33%)4090(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12490

Females

3164

F40-44

3164

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14633

Females

4327

F40-44

4327

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12490

Females

3164

F40-44

3164

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12832

Females

3453

F40-44

3453

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13627

Females

3849

F40-44

3849

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13962

Females

4184

F40-44

4184

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13983

Females

4352

F40-44

4352

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16340

Females

5788

F40-44

5788

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12539

Females

3886

F40-44

3886

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12150

Females

3724

F40-44

3724

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11753

Females

3613

F40-44

3613

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12709

Females

4164

F40-44

4164

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12444

Females

4153

F40-44

4153

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10391

Females

3227

F40-44

3227

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12320

Females

4090

F40-44

4090

Passing Analysis

Category:
Athletes Passed
2956
Passed By
1275
Net Change
+1681
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15014
5K → 10K414194+220#15014#14794
10K → 15K79211+781#14794#14013
15K → 20K41452+362#14013#13651
20K → Half3536-1#13651#13652
Half → 25K184195-11#13652#13663
25K → 30K241255-14#13663#13677
30K → 20M76281-205#13677#13882
20M → 21M16154+107#13882#13775
21M → 35K1019+92#13775#13683
35K → 23M18838+150#13683#13533
23M → 24M10651+55#13533#13478
24M → 40K10247+55#13478#13423
40K → 25.2M679+58#13423#13365
25.2M → Finish7543+32#13365#13333
TOTALS29561275+1681
📊

Passing Visuals

Category:
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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