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BOSTON MARATHON 2025

Kirsten Dininny

Bib: 18615•F

NY

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
7:42/mi
23:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:30
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:36:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:42:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:02:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:29/mi
2:31:57
↑ 181↓ 1480.2%
20M
8:55/mi
2:44:04
↑ 64↓ 500.2%
21M
10:03/mi
2:54:07
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:00:39
↑ 17↓ 861.7%
23M
9:29/mi
3:12:32
↑ 23↓ 630.6%
24M
9:57/mi
3:22:29
↓ 821.3%
40K· 24.85 mi
13:50/mi
3:34:19
↓ 200.3%
25.2M
13:06/mi
3:38:50
↑ 13↓ 160.2%
Finish· 26.22 mi
10:30/mi
3:49:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:23
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:07:09
Pace9:42 /mi
📊Positive Split: 24.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5023:547:4223:54
7:42
-
10K
6.21 mi11:38:2847:327:3923:38
7:36
-0:06
15K
9.32 mi12:02:261:11:307:4023:58
7:43
+0:07
20K
12.43 mi12:27:511:36:557:4825:25
8:11
+0:28
Half
13.11 mi12:33:191:42:237:495:28
8:01
-0:10
25K
15.53 mi12:53:252:02:297:5320:06
8:17
+0:16
30K
18.64 mi13:22:532:31:578:0929:28
9:29
+1:12
20M
20.00 mi13:35:002:44:048:1212:07
8:55
-0:34
21M
21.00 mi13:45:032:54:078:1710:03
10:03
+1:08
35K
21.75 mi13:51:353:00:398:186:32
8:44
-1:19
23M
23.00 mi14:03:283:12:328:2211:53
9:29
+0:45
24M
24.00 mi14:13:253:22:298:269:57
9:57
+0:28
40K
24.85 mi14:25:153:34:198:3711:50
13:50
+3:53
25.2M
25.20 mi14:29:463:38:508:414:31
13:06
-0:44
Finish
26.22 mi14:40:283:49:328:4610:42
10:30
-2:36

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

7:36 /mi

Average Pace

8:46 /mi

Slowest Pace

13:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:30

31% of race

Time at Steady Pace

1:50:59

48% of race

Time at Slower Pace

47:03

20% of race

Average Pace: 8:45 /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 mi11:14:5023:547:4223:54
7:42
#13941
10K
6.21 mi11:38:2847:327:3923:38
7:36
#13511
15K
9.32 mi12:02:261:11:307:4023:58
7:43
#13505
20K
12.43 mi12:27:511:36:557:4825:25
8:11
#14242
Half
13.11 mi12:33:191:42:237:495:28
8:01
#14330
25K
15.53 mi12:53:252:02:297:5320:06
8:17
#14596
30K
18.64 mi13:22:532:31:578:0929:28
9:29
#15881
20M
20.00 mi13:35:002:44:048:1212:07
8:55
#15885
21M
21.00 mi13:45:032:54:078:1710:03
10:03
#16026
35K
21.75 mi13:51:353:00:398:186:32
8:44
#16023
23M
23.00 mi14:03:283:12:328:2211:53
9:29
#16155
24M
24.00 mi14:13:253:22:298:269:57
9:57
#16465
40K
24.85 mi14:25:153:34:198:3711:50
13:50
#17534
25.2M
25.20 mi14:29:463:38:508:414:31
13:06
#17778
Finish
26.22 mi14:40:283:49:328:4610:42
10:30
#18217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139413873387313668(Top 48%)3831(Top 31%)3831(Top 70%)
10K6.21 mi3.10 mi13511+4303652+2213652+22113116(Top 46%)3446(Top 28%)3446(Top 63%)
15K9.32 mi3.11 mi13505+63692-403692-4013668(Top 48%)3831(Top 31%)3831(Top 70%)
20K12.43 mi3.11 mi14242-7374144-4524144-45216197(Top 57%)5336(Top 44%)5336(Top 98%)
Half13.11 mi0.68 mi14330-884199-554199-5516110(Top 57%)5271(Top 43%)5271(Top 96%)
25K15.53 mi2.42 mi14596-2664389-1904389-19015874(Top 56%)5245(Top 43%)5245(Top 96%)
30K18.64 mi3.11 mi15881-12855156-7675156-76719879(Top 70%)7594(Top 62%)7594(Top 139%)
20M20.00 mi1.36 mi15885-45207-515207-5116367(Top 58%)5815(Top 48%)5815(Top 106%)
21M21.00 mi1.00 mi16026-1415317-1105317-11018510(Top 65%)7062(Top 58%)7062(Top 129%)
35K21.75 mi0.75 mi16023+35335-185335-1816931(Top 60%)6301(Top 52%)6301(Top 115%)
23M23.00 mi1.25 mi16155-1325441-1065441-10618668(Top 66%)7328(Top 60%)7328(Top 134%)
24M24.00 mi1.00 mi16465-3105646-2055646-20521218(Top 75%)8711(Top 71%)8711(Top 159%)
40K24.85 mi0.85 mi17534-10696299-6536299-65327053(Top 95%)11670(Top 95%)11670(Top 213%)
25.2M25.20 mi0.35 mi17778-2446437-1386437-13825198(Top 89%)10785(Top 88%)10785(Top 197%)
Finish26.22 mi1.02 mi18217-4396690-2536690-25324288(Top 86%)10309(Top 84%)10309(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13668

Females

3831

F18-39

3831

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13116

Females

3446

F18-39

3446

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13668

Females

3831

F18-39

3831

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16197

Females

5336

F18-39

5336

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16110

Females

5271

F18-39

5271

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15874

Females

5245

F18-39

5245

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19879

Females

7594

F18-39

7594

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16367

Females

5815

F18-39

5815

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18510

Females

7062

F18-39

7062

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16931

Females

6301

F18-39

6301

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18668

Females

7328

F18-39

7328

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21218

Females

8711

F18-39

8711

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27053

Females

11670

F18-39

11670

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25198

Females

10785

F18-39

10785

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24288

Females

10309

F18-39

10309

Passing Analysis

Category:
Athletes Passed
1354
Passed By
5630
Net Change
-4276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13941
5K → 10K550120+430#13941#13511
10K → 15K213207+6#13511#13505
15K → 20K68805-737#13505#14242
20K → Half1098-88#14242#14330
Half → 25K102368-266#14330#14596
25K → 30K451330-1285#14596#15881
30K → 20M114118-4#15881#15885
20M → 21M73214-141#15885#16026
21M → 35K7067+3#16026#16023
35K → 23M73205-132#16023#16155
23M → 24M22332-310#16155#16465
24M → 40K31072-1069#16465#17534
40K → 25.2M2246-244#17534#17778
25.2M → Finish9448-439#17778#18217
TOTALS13545630-4276
📊

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