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BOSTON MARATHON 2025

Bridget Siebenaller

Bib: 17096•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Division (F18-39)
#0 / 5469
Top 30%
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
7:17/mi
22:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
44:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:07:15
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:29:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:34:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:52:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:54/mi
2:17:03
↑ 181↓ 1480.2%
20M
8:01/mi
2:27:56
↑ 64↓ 500.2%
21M
8:22/mi
2:36:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:41:52
↑ 17↓ 861.7%
23M
8:06/mi
2:52:01
↑ 23↓ 630.6%
24M
8:02/mi
3:00:03
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:07:06
↓ 200.3%
25.2M
9:05/mi
3:10:14
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:18:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:27
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5722:387:1722:38
7:17
-
10K
6.21 mi11:35:1444:557:1422:17
7:10
-0:07
15K
9.32 mi11:57:341:07:157:1322:20
7:11
+0:01
20K
12.43 mi12:19:531:29:347:1222:19
7:11
0:00
Half
13.11 mi12:24:461:34:277:124:53
7:09
-0:02
25K
15.53 mi12:42:501:52:317:1518:04
7:27
+0:18
30K
18.64 mi13:07:222:17:037:2124:32
7:54
+0:27
20M
20.00 mi13:18:152:27:567:2410:53
8:01
+0:07
21M
21.00 mi13:26:372:36:187:278:22
8:22
+0:21
35K
21.75 mi13:32:112:41:527:275:34
7:26
-0:56
23M
23.00 mi13:42:202:52:017:2910:09
8:06
+0:40
24M
24.00 mi13:50:223:00:037:308:02
8:02
-0:04
40K
24.85 mi13:57:253:07:067:327:03
8:15
+0:13
25.2M
25.20 mi14:00:333:10:147:333:08
9:05
+0:50
Finish
26.22 mi14:08:283:18:097:347:55
7:46
-1:19

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

7:09 /mi

Average Pace

7:34 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:05

60% of race

Time at Steady Pace

51:22

26% of race

Time at Slower Pace

28:42

14% of race

Average Pace: 7:33 /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 mi11:12:5722:387:1722:38
7:17
#10218
10K
6.21 mi11:35:1444:557:1422:17
7:10
#9716
15K
9.32 mi11:57:341:07:157:1322:20
7:11
#9448
20K
12.43 mi12:19:531:29:347:1222:19
7:11
#9060
Half
13.11 mi12:24:461:34:277:124:53
7:09
#9036
25K
15.53 mi12:42:501:52:317:1518:04
7:27
#9059
30K
18.64 mi13:07:222:17:037:2124:32
7:54
#9291
20M
20.00 mi13:18:152:27:567:2410:53
8:01
#9354
21M
21.00 mi13:26:372:36:187:278:22
8:22
#9347
35K
21.75 mi13:32:112:41:527:275:34
7:26
#9276
23M
23.00 mi13:42:202:52:017:2910:09
8:06
#9326
24M
24.00 mi13:50:223:00:037:308:02
8:02
#9404
40K
24.85 mi13:57:253:07:067:327:03
8:15
#9482
25.2M
25.20 mi14:00:333:10:147:333:08
9:05
#9514
Finish
26.22 mi14:08:283:18:097:347:55
7:46
#9569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10218190819089032(Top 32%)1442(Top 12%)1442(Top 26%)
10K6.21 mi3.10 mi9716+5021678+2301678+2309275(Top 33%)1500(Top 12%)1500(Top 27%)
15K9.32 mi3.11 mi9448+2681577+1011577+1019032(Top 32%)1442(Top 12%)1442(Top 26%)
20K12.43 mi3.11 mi9060+3881442+1351442+1358074(Top 28%)1140(Top 9%)1140(Top 21%)
Half13.11 mi0.68 mi9036+241436+61436+68826(Top 31%)1438(Top 12%)1438(Top 26%)
25K15.53 mi2.42 mi9059-231476-401476-409567(Top 34%)1909(Top 16%)1909(Top 35%)
30K18.64 mi3.11 mi9291-2321639-1631639-16310605(Top 37%)2594(Top 21%)2594(Top 47%)
20M20.00 mi1.36 mi9354-631698-591698-5910512(Top 37%)2686(Top 22%)2686(Top 49%)
21M21.00 mi1.00 mi9347+71731-331731-339663(Top 34%)2450(Top 20%)2450(Top 45%)
35K21.75 mi0.75 mi9276+711724+71724+78260(Top 29%)1788(Top 15%)1788(Top 33%)
23M23.00 mi1.25 mi9326-501782-581782-5810803(Top 38%)3126(Top 26%)3126(Top 57%)
24M24.00 mi1.00 mi9404-781853-711853-7111495(Top 40%)3557(Top 29%)3557(Top 65%)
40K24.85 mi0.85 mi9482-781926-731926-7311836(Top 42%)3823(Top 31%)3823(Top 70%)
25.2M25.20 mi0.35 mi9514-321956-301956-3012291(Top 43%)4090(Top 33%)4090(Top 75%)
Finish26.22 mi1.02 mi9569-552033-772033-7711220(Top 40%)3556(Top 29%)3556(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9032

Females

1442

F18-39

1442

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9275

Females

1500

F18-39

1500

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9032

Females

1442

F18-39

1442

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8074

Females

1140

F18-39

1140

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8826

Females

1438

F18-39

1438

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9567

Females

1909

F18-39

1909

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10605

Females

2594

F18-39

2594

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10512

Females

2686

F18-39

2686

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9663

Females

2450

F18-39

2450

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8260

Females

1788

F18-39

1788

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10803

Females

3126

F18-39

3126

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11495

Females

3557

F18-39

3557

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11836

Females

3823

F18-39

3823

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12291

Females

4090

F18-39

4090

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11220

Females

3556

F18-39

3556

Passing Analysis

Category:
Athletes Passed
2240*
Passed By
1591
Net Change
+649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10218
5K → 10K574*72+502#10218#9716
10K → 15K32355+268#9716#9448
15K → 20K41022+388#9448#9060
20K → Half5127+24#9060#9036
Half → 25K153176-23#9036#9059
25K → 30K159391-232#9059#9291
30K → 20M82145-63#9291#9354
20M → 21M9588+7#9354#9347
21M → 35K10029+71#9347#9276
35K → 23M99149-50#9276#9326
23M → 24M59137-78#9326#9404
24M → 40K49127-78#9404#9482
40K → 25.2M2557-32#9482#9514
25.2M → Finish61116-55#9514#9569
TOTALS2240*1591+649

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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