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BOSTON MARATHON 2025

Emily Burgess

Bib: 9108•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:58
Rank: #8394
Start → 5K
21:58 | 7:04/mi
10K· 6.21 mi
43:11
Rank: #7519 (+875)
5K → 10K
21:13 | 6:50/mi
15K· 9.32 mi
1:04:20
Rank: #7095 (+424)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:25:47
Rank: #6844 (+251)
15K → 20K
21:27 | 6:54/mi
Half· 13.11 mi
1:30:20
Rank: #6759 (+85)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:46:48
Rank: #6384 (+375)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:08:30
Rank: #5924 (+460)
25K → 30K
21:42 | 6:59/mi
20M
2:18:03
Rank: #5760 (+164)
30K → 20M
9:33 | 7:02/mi
21M
2:25:35
Rank: #5658 (+102)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:30:30
Rank: #5536 (+122)
21M → 35K
4:55 | 6:34/mi
23M
2:39:17
Rank: #5358 (+178)
35K → 23M
8:47 | 7:01/mi
24M
2:46:04
Rank: #5231 (+127)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:52:04
Rank: #5156 (+75)
24M → 40K
6:00 | 7:01/mi
25.2M
2:54:44
Rank: #5118 (+38)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:01:46
Rank: #5061 (+57)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2121:587:0421:58
7:04
-
10K
6.21 mi11:08:3443:116:5721:13
6:50
-0:14
15K
9.32 mi11:29:431:04:206:5421:09
6:48
-0:02
20K
12.43 mi11:51:101:25:476:5421:27
6:54
+0:06
Half
13.11 mi11:55:431:30:206:534:33
6:40
-0:14
25K
15.53 mi12:12:111:46:486:5316:28
6:47
+0:07
30K
18.64 mi12:33:532:08:306:5421:42
6:59
+0:12
20M
20.00 mi12:43:262:18:036:549:33
7:02
+0:03
21M
21.00 mi12:50:582:25:356:567:32
7:32
+0:30
35K
21.75 mi12:55:532:30:306:554:55
6:34
-0:58
23M
23.00 mi13:04:402:39:176:568:47
7:01
+0:27
24M
24.00 mi13:11:272:46:046:556:47
6:47
-0:14
40K
24.85 mi13:17:272:52:046:556:00
7:01
+0:14
25.2M
25.20 mi13:20:072:54:446:562:40
7:44
+0:43
Finish
26.22 mi13:27:093:01:466:567:02
6:54
-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

6:34 /mi

Average Pace

6:56 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:34

94% of race

Time at Steady Pace

10:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:47:2121:587:0421:58
7:04
#8394
10K
6.21 mi11:08:3443:116:5721:13
6:50
#7519
15K
9.32 mi11:29:431:04:206:5421:09
6:48
#7095
20K
12.43 mi11:51:101:25:476:5421:27
6:54
#6844
Half
13.11 mi11:55:431:30:206:534:33
6:40
#6759
25K
15.53 mi12:12:111:46:486:5316:28
6:47
#6384
30K
18.64 mi12:33:532:08:306:5421:42
6:59
#5924
20M
20.00 mi12:43:262:18:036:549:33
7:02
#5760
21M
21.00 mi12:50:582:25:356:567:32
7:32
#5658
35K
21.75 mi12:55:532:30:306:554:55
6:34
#5536
23M
23.00 mi13:04:402:39:176:568:47
7:01
#5358
24M
24.00 mi13:11:272:46:046:556:47
6:47
#5231
40K
24.85 mi13:17:272:52:046:556:00
7:01
#5156
25.2M
25.20 mi13:20:072:54:446:562:40
7:44
#5118
Finish
26.22 mi13:27:093:01:466:567:02
6:54
#5061
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8394112911296176(Top 22%)559(Top 5%)559(Top 10%)
10K6.21 mi3.10 mi7519+875832+297832+2976708(Top 24%)641(Top 5%)641(Top 12%)
15K9.32 mi3.11 mi7095+424724+108724+1086176(Top 22%)559(Top 5%)559(Top 10%)
20K12.43 mi3.11 mi6844+251667+57667+576237(Top 22%)602(Top 5%)602(Top 11%)
Half13.11 mi0.68 mi6759+85651+16651+165117(Top 18%)382(Top 3%)382(Top 7%)
25K15.53 mi2.42 mi6384+375595+56595+564828(Top 17%)376(Top 3%)376(Top 7%)
30K18.64 mi3.11 mi5924+460533+62533+624618(Top 16%)392(Top 3%)392(Top 7%)
20M20.00 mi1.36 mi5760+164511+22511+224308(Top 15%)369(Top 3%)369(Top 7%)
21M21.00 mi1.00 mi5658+102497+14497+144802(Top 17%)556(Top 5%)556(Top 10%)
35K21.75 mi0.75 mi5536+122482+15482+152874(Top 10%)219(Top 2%)219(Top 4%)
23M23.00 mi1.25 mi5358+178463+19463+193882(Top 14%)387(Top 3%)387(Top 7%)
24M24.00 mi1.00 mi5231+127454+9454+93449(Top 12%)346(Top 3%)346(Top 6%)
40K24.85 mi0.85 mi5156+75455-1455-14053(Top 14%)507(Top 4%)507(Top 9%)
25.2M25.20 mi0.35 mi5118+38449+6449+64583(Top 16%)730(Top 6%)730(Top 13%)
Finish26.22 mi1.02 mi5061+57451-2451-25125(Top 18%)898(Top 7%)898(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6176

Females

559

F18-39

559

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6708

Females

641

F18-39

641

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6176

Females

559

F18-39

559

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6237

Females

602

F18-39

602

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5117

Females

382

F18-39

382

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4828

Females

376

F18-39

376

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4618

Females

392

F18-39

392

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4308

Females

369

F18-39

369

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4802

Females

556

F18-39

556

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2874

Females

219

F18-39

219

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3882

Females

387

F18-39

387

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3449

Females

346

F18-39

346

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

4053

Females

507

F18-39

507

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4583

Females

730

F18-39

730

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5125

Females

898

F18-39

898

Passing Analysis

Category:
Athletes Passed
3499
Passed By
166
Net Change
+3333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8394
5K → 10K88914+875#8394#7519
10K → 15K44016+424#7519#7095
15K → 20K28938+251#7095#6844
20K → Half894+85#6844#6759
Half → 25K3816+375#6759#6384
25K → 30K47010+460#6384#5924
30K → 20M17511+164#5924#5760
20M → 21M11816+102#5760#5658
21M → 35K1220+122#5658#5536
35K → 23M1879+178#5536#5358
23M → 24M1358+127#5358#5231
24M → 40K8813+75#5231#5156
40K → 25.2M435+38#5156#5118
25.2M → Finish7316+57#5118#5061
TOTALS3499166+3333
📊

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