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BOSTON MARATHON 2025

Kendall Kieltyka

Bib: 17780•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 47%
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
7:52/mi
24:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:50
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:38:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:02:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:29:27
↑ 181↓ 1480.2%
20M
7:52/mi
2:40:08
↑ 64↓ 500.2%
21M
8:02/mi
2:48:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:54:00
↑ 17↓ 861.7%
23M
7:50/mi
3:03:49
↑ 23↓ 630.6%
24M
7:35/mi
3:11:24
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:17:54
↓ 200.3%
25.2M
8:22/mi
3:20:47
↑ 13↓ 160.2%
Finish· 26.22 mi
6:49/mi
3:27:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:48
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:56
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5824:277:5224:27
7:52
-
10K
6.21 mi11:39:1348:427:5024:15
7:48
-0:04
15K
9.32 mi12:03:211:12:507:4924:08
7:46
-0:02
20K
12.43 mi12:28:581:38:277:5525:37
8:15
+0:29
Half
13.11 mi12:34:191:43:487:555:21
7:50
-0:25
25K
15.53 mi12:53:152:02:447:5418:56
7:49
-0:01
30K
18.64 mi13:19:582:29:278:0126:43
8:36
+0:47
20M
20.00 mi13:30:392:40:088:0010:41
7:52
-0:44
21M
21.00 mi13:38:412:48:108:008:02
8:02
+0:10
35K
21.75 mi13:44:312:54:008:005:50
7:48
-0:14
23M
23.00 mi13:54:203:03:498:009:49
7:50
+0:02
24M
24.00 mi14:01:553:11:247:597:35
7:35
-0:15
40K
24.85 mi14:08:253:17:547:586:30
7:36
+0:01
25.2M
25.20 mi14:11:183:20:477:582:53
8:22
+0:46
Finish
26.22 mi14:18:153:27:447:566:57
6:49
-1:33

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

6:49 /mi

Average Pace

7:56 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:02

10% of race

Time at Steady Pace

2:03:27

59% of race

Time at Slower Pace

1:03:15

30% of race

Average Pace: 7:55 /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 mi11:14:5824:277:5224:27
7:52
#15421
10K
6.21 mi11:39:1348:427:5024:15
7:48
#15122
15K
9.32 mi12:03:211:12:507:4924:08
7:46
#14762
20K
12.43 mi12:28:581:38:277:5525:37
8:15
#15292
Half
13.11 mi12:34:191:43:487:555:21
7:50
#15252
25K
15.53 mi12:53:152:02:447:5418:56
7:49
#14718
30K
18.64 mi13:19:582:29:278:0126:43
8:36
#14881
20M
20.00 mi13:30:392:40:088:0010:41
7:52
#14381
21M
21.00 mi13:38:412:48:108:008:02
8:02
#13910
35K
21.75 mi13:44:312:54:008:005:50
7:48
#13777
23M
23.00 mi13:54:203:03:498:009:49
7:50
#13443
24M
24.00 mi14:01:553:11:247:597:35
7:35
#13210
40K
24.85 mi14:08:253:17:547:586:30
7:36
#12990
25.2M
25.20 mi14:11:183:20:477:582:53
8:22
#12900
Finish
26.22 mi14:18:153:27:447:566:57
6:49
#12510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154214785478514106(Top 50%)4078(Top 33%)4078(Top 75%)
10K6.21 mi3.10 mi15122+2994615+1704615+17014870(Top 52%)4458(Top 36%)4458(Top 82%)
15K9.32 mi3.11 mi14762+3604407+2084407+20814106(Top 50%)4078(Top 33%)4078(Top 75%)
20K12.43 mi3.11 mi15292-5304745-3384745-33816592(Top 58%)5537(Top 45%)5537(Top 101%)
Half13.11 mi0.68 mi15252+404723+224723+2214623(Top 51%)4390(Top 36%)4390(Top 80%)
25K15.53 mi2.42 mi14718+5344455+2684455+26812453(Top 44%)3369(Top 28%)3369(Top 62%)
30K18.64 mi3.11 mi14881-1634602-1474602-14715393(Top 54%)5117(Top 42%)5117(Top 94%)
20M20.00 mi1.36 mi14381+5004348+2544348+2549498(Top 33%)2223(Top 18%)2223(Top 41%)
21M21.00 mi1.00 mi13910+4714119+2294119+2297578(Top 27%)1558(Top 13%)1558(Top 28%)
35K21.75 mi0.75 mi13777+1334066+534066+5310870(Top 38%)3053(Top 25%)3053(Top 56%)
23M23.00 mi1.25 mi13443+3343925+1413925+1418912(Top 31%)2222(Top 18%)2222(Top 41%)
24M24.00 mi1.00 mi13210+2333817+1083817+1088353(Top 29%)2045(Top 17%)2045(Top 37%)
40K24.85 mi0.85 mi12990+2203730+873730+877489(Top 26%)1767(Top 14%)1767(Top 32%)
25.2M25.20 mi0.35 mi12900+903687+433687+438072(Top 28%)2130(Top 17%)2130(Top 39%)
Finish26.22 mi1.02 mi12510+3903508+1793508+1794663(Top 16%)758(Top 6%)758(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14106

Females

4078

F18-39

4078

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14870

Females

4458

F18-39

4458

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14106

Females

4078

F18-39

4078

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16592

Females

5537

F18-39

5537

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14623

Females

4390

F18-39

4390

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12453

Females

3369

F18-39

3369

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15393

Females

5117

F18-39

5117

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9498

Females

2223

F18-39

2223

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7578

Females

1558

F18-39

1558

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10870

Females

3053

F18-39

3053

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8912

Females

2222

F18-39

2222

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8353

Females

2045

F18-39

2045

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7489

Females

1767

F18-39

1767

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8072

Females

2130

F18-39

2130

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4663

Females

758

F18-39

758

Passing Analysis

Category:
Athletes Passed
4168
Passed By
1257
Net Change
+2911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15421
5K → 10K468169+299#15421#15122
10K → 15K41555+360#15122#14762
15K → 20K100630-530#14762#15292
20K → Half6020+40#15292#15252
Half → 25K5384+534#15252#14718
25K → 30K195358-163#14718#14881
30K → 20M5000+500#14881#14381
20M → 21M4710+471#14381#13910
21M → 35K1396+133#13910#13777
35K → 23M3373+334#13777#13443
23M → 24M2374+233#13443#13210
24M → 40K2222+220#13210#12990
40K → 25.2M955+90#12990#12900
25.2M → Finish3911+390#12900#12510
TOTALS41681257+2911
📊

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