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BOSTON MARATHON 2025

Kate Ziegler

Bib: 27187•F

RI

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
9:41/mi
30:04
↑ 97↓ 3451.5%
10K· 6.21 mi
9:45/mi
1:00:20
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:30:10
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
2:00:57
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:07:57
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:32:16
↑ 66↓ 880.2%
30K· 18.64 mi
10:28/mi
3:04:48
↑ 181↓ 1480.2%
20M
11:01/mi
3:19:46
↑ 64↓ 500.2%
21M
14:15/mi
3:34:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:30/mi
3:41:52
↑ 17↓ 861.7%
23M
10:50/mi
3:55:26
↑ 23↓ 630.6%
24M
10:13/mi
4:05:39
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:14:18
↓ 200.3%
25.2M
11:30/mi
4:18:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:40/mi
4:28:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:57
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:20:10
Pace10:42 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2130:049:4130:04
9:41
-
10K
6.21 mi12:20:371:00:209:4330:16
9:45
+0:04
15K
9.32 mi12:50:271:30:109:4029:50
9:36
-0:09
20K
12.43 mi13:21:142:00:579:4430:47
9:54
+0:18
Half
13.11 mi13:28:142:07:579:467:00
10:16
+0:22
25K
15.53 mi13:52:332:32:169:4824:19
10:02
-0:14
30K
18.64 mi14:25:053:04:489:5532:32
10:28
+0:26
20M
20.00 mi14:40:033:19:469:5914:58
11:01
+0:33
21M
21.00 mi14:54:183:34:0110:1114:15
14:15
+3:14
35K
21.75 mi15:02:093:41:5210:127:51
10:30
-3:45
23M
23.00 mi15:15:433:55:2610:1413:34
10:50
+0:20
24M
24.00 mi15:25:564:05:3910:1410:13
10:13
-0:37
40K
24.85 mi15:34:354:14:1810:148:39
10:07
-0:06
25.2M
25.20 mi15:38:334:18:1610:153:58
11:30
+1:23
Finish
26.22 mi15:48:244:28:0710:149:51
9:40
-1:50

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

9:36 /mi

Average Pace

10:14 /mi

Slowest Pace

14:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:50

11% of race

Time at Steady Pace

3:11:32

71% of race

Time at Slower Pace

46:45

17% of race

Average Pace: 10:14 /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 mi11:50:2130:049:4130:04
9:41
#24786
10K
6.21 mi12:20:371:00:209:4330:16
9:45
#24755
15K
9.32 mi12:50:271:30:109:4029:50
9:36
#24514
20K
12.43 mi13:21:142:00:579:4430:47
9:54
#24380
Half
13.11 mi13:28:142:07:579:467:00
10:16
#24443
25K
15.53 mi13:52:332:32:169:4824:19
10:02
#24252
30K
18.64 mi14:25:053:04:489:5532:32
10:28
#24006
20M
20.00 mi14:40:033:19:469:5914:58
11:01
#23982
21M
21.00 mi14:54:183:34:0110:1114:15
14:15
#24208
35K
21.75 mi15:02:093:41:5210:127:51
10:30
#24171
23M
23.00 mi15:15:433:55:2610:1413:34
10:50
#24091
24M
24.00 mi15:25:564:05:3910:1410:13
10:13
#24006
40K
24.85 mi15:34:354:14:1810:148:39
10:07
#23897
25.2M
25.20 mi15:38:334:18:1610:153:58
11:30
#23882
Finish
26.22 mi15:48:244:28:0710:149:51
9:40
#23821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24786101031010324032(Top 85%)9689(Top 79%)9689(Top 177%)
10K6.21 mi3.10 mi24755+3110094+910094+924716(Top 87%)10075(Top 82%)10075(Top 184%)
15K9.32 mi3.11 mi24514+2419964+1309964+13024032(Top 85%)9689(Top 79%)9689(Top 177%)
20K12.43 mi3.11 mi24380+1349913+519913+5124044(Top 85%)9733(Top 80%)9733(Top 178%)
Half13.11 mi0.68 mi24443-639943-309943-3025386(Top 89%)10478(Top 86%)10478(Top 192%)
25K15.53 mi2.42 mi24252+1919850+939850+9323344(Top 82%)9390(Top 77%)9390(Top 172%)
30K18.64 mi3.11 mi24006+2469732+1189732+11822899(Top 81%)9264(Top 76%)9264(Top 169%)
20M20.00 mi1.36 mi23982+249743-119743-1123613(Top 83%)9745(Top 80%)9745(Top 178%)
21M21.00 mi1.00 mi24208-2269877-1349877-13426486(Top 93%)11304(Top 92%)11304(Top 207%)
35K21.75 mi0.75 mi24171+379861+169861+1623165(Top 82%)9637(Top 79%)9637(Top 176%)
23M23.00 mi1.25 mi24091+809842+199842+1922848(Top 80%)9524(Top 78%)9524(Top 174%)
24M24.00 mi1.00 mi24006+859811+319811+3122005(Top 77%)9141(Top 75%)9141(Top 167%)
40K24.85 mi0.85 mi23897+1099763+489763+4820866(Top 73%)8601(Top 70%)8601(Top 157%)
25.2M25.20 mi0.35 mi23882+159765-29765-222107(Top 78%)9217(Top 75%)9217(Top 169%)
Finish26.22 mi1.02 mi23821+619747+189747+1821822(Top 77%)9076(Top 74%)9076(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24032

Females

9689

F18-39

9689

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24716

Females

10075

F18-39

10075

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24032

Females

9689

F18-39

9689

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24044

Females

9733

F18-39

9733

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25386

Females

10478

F18-39

10478

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23344

Females

9390

F18-39

9390

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22899

Females

9264

F18-39

9264

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23613

Females

9745

F18-39

9745

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26486

Females

11304

F18-39

11304

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23165

Females

9637

F18-39

9637

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22848

Females

9524

F18-39

9524

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

22005

Females

9141

F18-39

9141

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20866

Females

8601

F18-39

8601

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22107

Females

9217

F18-39

9217

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21822

Females

9076

F18-39

9076

Passing Analysis

Category:
Athletes Passed
1809
Passed By
844
Net Change
+965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24786
5K → 10K221190+31#24786#24755
10K → 15K28140+241#24755#24514
15K → 20K19864+134#24514#24380
20K → Half1376-63#24380#24443
Half → 25K22837+191#24443#24252
25K → 30K29347+246#24252#24006
30K → 20M9268+24#24006#23982
20M → 21M9235-226#23982#24208
21M → 35K5114+37#24208#24171
35K → 23M11232+80#24171#24091
23M → 24M927+85#24091#24006
24M → 40K1123+109#24006#23897
40K → 25.2M3015+15#23897#23882
25.2M → Finish7716+61#23882#23821
TOTALS1809844+965
📊

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