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BOSTON MARATHON 2025

Emily Burch

Bib: 16206•F

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:21/mi
22:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:27
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:31:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:37:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
1:56:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:20:59
↑ 181↓ 1480.2%
20M
8:12/mi
2:32:08
↑ 64↓ 500.2%
21M
8:33/mi
2:40:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:46:36
↑ 17↓ 861.7%
23M
8:06/mi
2:56:45
↑ 23↓ 630.6%
24M
8:01/mi
3:04:46
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:11:44
↓ 200.3%
25.2M
8:33/mi
3:14:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:22:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:07
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5322:517:2122:51
7:21
-
10K
6.21 mi11:18:4145:397:2122:48
7:20
-0:01
15K
9.32 mi11:41:291:08:277:2122:48
7:20
0:00
20K
12.43 mi12:04:561:31:547:2423:27
7:33
+0:13
Half
13.11 mi12:10:091:37:077:245:13
7:39
+0:06
25K
15.53 mi12:29:081:56:067:2818:59
7:50
+0:11
30K
18.64 mi12:54:012:20:597:3424:53
8:01
+0:11
20M
20.00 mi13:05:102:32:087:3611:09
8:12
+0:11
21M
21.00 mi13:13:432:40:417:398:33
8:33
+0:21
35K
21.75 mi13:19:382:46:367:405:55
7:55
-0:38
23M
23.00 mi13:29:472:56:457:4110:09
8:06
+0:11
24M
24.00 mi13:37:483:04:467:428:01
8:01
-0:05
40K
24.85 mi13:44:463:11:447:436:58
8:09
+0:08
25.2M
25.20 mi13:47:433:14:417:442:57
8:33
+0:24
Finish
26.22 mi13:55:293:22:277:447:46
7:37
-0:56

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

7:20 /mi

Average Pace

7:44 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:41

80% of race

Time at Steady Pace

39:46

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:55:5322:517:2122:51
7:21
#10910
10K
6.21 mi11:18:4145:397:2122:48
7:20
#10746
15K
9.32 mi11:41:291:08:277:2122:48
7:20
#10598
20K
12.43 mi12:04:561:31:547:2423:27
7:33
#10721
Half
13.11 mi12:10:091:37:077:245:13
7:39
#10832
25K
15.53 mi12:29:081:56:067:2818:59
7:50
#11124
30K
18.64 mi12:54:012:20:597:3424:53
8:01
#11147
20M
20.00 mi13:05:102:32:087:3611:09
8:12
#11146
21M
21.00 mi13:13:432:40:417:398:33
8:33
#11086
35K
21.75 mi13:19:382:46:367:405:55
7:55
#11085
23M
23.00 mi13:29:472:56:457:4110:09
8:06
#11018
24M
24.00 mi13:37:483:04:467:428:01
8:01
#10997
40K
24.85 mi13:44:463:11:447:436:58
8:09
#10975
25.2M
25.20 mi13:47:433:14:417:442:57
8:33
#10928
Finish
26.22 mi13:55:293:22:277:447:46
7:37
#10874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109102239223910333(Top 36%)2044(Top 17%)2044(Top 37%)
10K6.21 mi3.10 mi10746+1642180+592180+5910667(Top 38%)2144(Top 18%)2144(Top 39%)
15K9.32 mi3.11 mi10598+1482125+552125+5510333(Top 36%)2044(Top 17%)2044(Top 37%)
20K12.43 mi3.11 mi10721-1232203-782203-7811161(Top 39%)2562(Top 21%)2562(Top 47%)
Half13.11 mi0.68 mi10832-1112255-522255-5212983(Top 46%)3469(Top 28%)3469(Top 63%)
25K15.53 mi2.42 mi11124-2922454-1992454-19912587(Top 44%)3441(Top 28%)3441(Top 63%)
30K18.64 mi3.11 mi11147-232542-882542-8811444(Top 40%)2999(Top 25%)2999(Top 55%)
20M20.00 mi1.36 mi11146+12582-402582-4011845(Top 42%)3363(Top 28%)3363(Top 61%)
21M21.00 mi1.00 mi11086+602590-82590-810816(Top 38%)3003(Top 25%)3003(Top 55%)
35K21.75 mi0.75 mi11085+12614-242614-2411644(Top 41%)3446(Top 28%)3446(Top 63%)
23M23.00 mi1.25 mi11018+672626-122626-1210807(Top 38%)3130(Top 26%)3130(Top 57%)
24M24.00 mi1.00 mi10997+212657-312657-3111374(Top 40%)3497(Top 29%)3497(Top 64%)
40K24.85 mi0.85 mi10975+222683-262683-2611230(Top 40%)3514(Top 29%)3514(Top 64%)
25.2M25.20 mi0.35 mi10928+472670+132670+139189(Top 32%)2626(Top 21%)2626(Top 48%)
Finish26.22 mi1.02 mi10874+542673-32673-310125(Top 36%)3045(Top 25%)3045(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10333

Females

2044

F18-39

2044

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10667

Females

2144

F18-39

2144

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10333

Females

2044

F18-39

2044

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11161

Females

2562

F18-39

2562

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12983

Females

3469

F18-39

3469

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12587

Females

3441

F18-39

3441

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11444

Females

2999

F18-39

2999

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11845

Females

3363

F18-39

3363

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10816

Females

3003

F18-39

3003

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11644

Females

3446

F18-39

3446

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10807

Females

3130

F18-39

3130

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11374

Females

3497

F18-39

3497

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11230

Females

3514

F18-39

3514

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9189

Females

2626

F18-39

2626

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10125

Females

3045

F18-39

3045

Passing Analysis

Category:
Athletes Passed
1830
Passed By
1794
Net Change
+36
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10910
5K → 10K356192+164#10910#10746
10K → 15K24395+148#10746#10598
15K → 20K132255-123#10598#10721
20K → Half13124-111#10721#10832
Half → 25K105397-292#10832#11124
25K → 30K223246-23#11124#11147
30K → 20M118117+1#11147#11146
20M → 21M12363+60#11146#11086
21M → 35K5857+1#11086#11085
35K → 23M13770+67#11085#11018
23M → 24M8766+21#11018#10997
24M → 40K8462+22#10997#10975
40K → 25.2M6215+47#10975#10928
25.2M → Finish8935+54#10928#10874
TOTALS18301794+36
📊

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