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BOSTON MARATHON 2025

Zoe Bosenberg

Bib: 27251•F

MA

0:00
0:00
/ mi
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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

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
10:47/mi
33:31
↑ 97↓ 3451.5%
10K· 6.21 mi
11:43/mi
1:09:55
↑ 79↓ 1380.4%
15K· 9.32 mi
12:41/mi
1:49:20
↑ 67↓ 78
20K· 12.43 mi
13:44/mi
2:32:01
↑ 106↓ 860.1%
Half· 13.11 mi
12:45/mi
2:40:43
↑ 19↓ 370.5%
25K· 15.53 mi
13:35/mi
3:13:39
↑ 66↓ 880.2%
30K· 18.64 mi
13:58/mi
3:57:01
↑ 181↓ 1480.2%
20M
14:31/mi
4:16:44
↑ 64↓ 500.2%
21M
14:36/mi
4:31:20
↑ 106↓ 241.6%
35K· 21.75 mi
13:10/mi
4:41:11
↑ 17↓ 861.7%
23M
14:22/mi
4:59:10
↑ 23↓ 630.6%
24M
13:15/mi
5:12:25
↓ 821.3%
40K· 24.85 mi
14:01/mi
5:24:24
↓ 200.3%
25.2M
14:13/mi
5:29:18
↑ 13↓ 160.2%
Finish· 26.22 mi
12:11/mi
5:41:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:43
Pace12:16 /mi
2nd Half
Distance13.11 mi
Time3:01:00
Pace13:48 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3033:3110:4733:31
10:47
-
10K
6.21 mi12:25:541:09:5511:1536:24
11:43
+0:56
15K
9.32 mi13:05:191:49:2011:4439:25
12:41
+0:58
20K
12.43 mi13:48:002:32:0112:1442:41
13:44
+1:03
Half
13.11 mi13:56:422:40:4312:168:42
12:45
-0:59
25K
15.53 mi14:29:383:13:3912:2832:56
13:35
+0:50
30K
18.64 mi15:13:003:57:0112:4343:22
13:58
+0:23
20M
20.00 mi15:32:434:16:4412:5019:43
14:31
+0:33
21M
21.00 mi15:47:194:31:2012:5514:36
14:36
+0:05
35K
21.75 mi15:57:104:41:1112:569:51
13:10
-1:26
23M
23.00 mi16:15:094:59:1013:0017:59
14:22
+1:12
24M
24.00 mi16:28:245:12:2513:0113:15
13:15
-1:07
40K
24.85 mi16:40:235:24:2413:0311:59
14:01
+0:46
25.2M
25.20 mi16:45:175:29:1813:044:54
14:13
+0:12
Finish
26.22 mi16:57:425:41:4313:0312:25
12:11
-2:02

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

10:47 /mi

Average Pace

13:03 /mi

Slowest Pace

14:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:27

38% of race

Time at Steady Pace

2:34:04

45% of race

Time at Slower Pace

57:12

17% of race

Average Pace: 13:02 /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 mi11:49:3033:3110:4733:31
10:47
#27260
10K
6.21 mi12:25:541:09:5511:1536:24
11:43
#27598
15K
9.32 mi13:05:191:49:2011:4439:25
12:41
#27827
20K
12.43 mi13:48:002:32:0112:1442:41
13:44
#27970
Half
13.11 mi13:56:422:40:4312:168:42
12:45
#27961
25K
15.53 mi14:29:383:13:3912:2832:56
13:35
#27929
30K
18.64 mi15:13:003:57:0112:4343:22
13:58
#27884
20M
20.00 mi15:32:434:16:4412:5019:43
14:31
#27883
21M
21.00 mi15:47:194:31:2012:5514:36
14:36
#27850
35K
21.75 mi15:57:104:41:1112:569:51
13:10
#27832
23M
23.00 mi16:15:094:59:1013:0017:59
14:22
#27835
24M
24.00 mi16:28:245:12:2513:0113:15
13:15
#27820
40K
24.85 mi16:40:235:24:2413:0311:59
14:01
#27803
25.2M
25.20 mi16:45:175:29:1813:044:54
14:13
#27791
Finish
26.22 mi16:57:425:41:4313:0312:25
12:11
#27776
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27260114841148428037(Top 99%)11998(Top 98%)11998(Top 219%)
10K6.21 mi3.10 mi27598-33811701-21711701-21727767(Top 98%)11821(Top 97%)11821(Top 216%)
15K9.32 mi3.11 mi27827-22911864-16311864-16328037(Top 99%)11998(Top 98%)11998(Top 219%)
20K12.43 mi3.11 mi27970-14311952-8811952-8828155(Top 99%)12093(Top 99%)12093(Top 221%)
Half13.11 mi0.68 mi27961+911948+411948+427882(Top 98%)11932(Top 98%)11932(Top 218%)
25K15.53 mi2.42 mi27929+3211937+1111937+1127661(Top 97%)11804(Top 97%)11804(Top 216%)
30K18.64 mi3.11 mi27884+4511914+2311914+2327476(Top 97%)11765(Top 96%)11765(Top 215%)
20M20.00 mi1.36 mi27883+111925-1111925-1127630(Top 97%)11882(Top 97%)11882(Top 217%)
21M21.00 mi1.00 mi27850+3311910+1511910+1526807(Top 94%)11474(Top 94%)11474(Top 210%)
35K21.75 mi0.75 mi27832+1811908+211908+227106(Top 95%)11644(Top 95%)11644(Top 213%)
23M23.00 mi1.25 mi27835-311915-711915-727575(Top 97%)11893(Top 97%)11893(Top 217%)
24M24.00 mi1.00 mi27820+1511907+811907+827094(Top 95%)11688(Top 96%)11688(Top 214%)
40K24.85 mi0.85 mi27803+17119071190727186(Top 96%)11734(Top 96%)11734(Top 215%)
25.2M25.20 mi0.35 mi27791+1211900+711900+726475(Top 93%)11428(Top 93%)11428(Top 209%)
Finish26.22 mi1.02 mi27776+1511897+311897+326986(Top 95%)11623(Top 95%)11623(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28037

Females

11998

F18-39

11998

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27767

Females

11821

F18-39

11821

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28037

Females

11998

F18-39

11998

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28155

Females

12093

F18-39

12093

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27882

Females

11932

F18-39

11932

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27661

Females

11804

F18-39

11804

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27476

Females

11765

F18-39

11765

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27630

Females

11882

F18-39

11882

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26807

Females

11474

F18-39

11474

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27106

Females

11644

F18-39

11644

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27575

Females

11893

F18-39

11893

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

27094

Females

11688

F18-39

11688

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27186

Females

11734

F18-39

11734

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26475

Females

11428

F18-39

11428

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26986

Females

11623

F18-39

11623

Passing Analysis

Category:
Athletes Passed
386
Passed By
902
Net Change
-516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27260
5K → 10K36374-338#27260#27598
10K → 15K23252-229#27598#27827
15K → 20K9152-143#27827#27970
20K → Half145+9#27970#27961
Half → 25K5826+32#27961#27929
25K → 30K6520+45#27929#27884
30K → 20M2423+1#27884#27883
20M → 21M385+33#27883#27850
21M → 35K268+18#27850#27832
35K → 23M1922-3#27832#27835
23M → 24M216+15#27835#27820
24M → 40K192+17#27820#27803
40K → 25.2M120+12#27803#27791
25.2M → Finish227+15#27791#27776
TOTALS386902-516
📊

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