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BOSTON MARATHON 2025

Kylie Breen

Bib: 27891•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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
53:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:19:51
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:47:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:53:15
↑ 19↓ 370.5%
25K· 15.53 mi
9:08/mi
2:15:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:45:30
↑ 181↓ 1480.2%
20M
9:16/mi
2:58:06
↑ 64↓ 500.2%
21M
9:51/mi
3:07:57
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:14:41
↑ 17↓ 861.7%
23M
9:12/mi
3:26:12
↑ 23↓ 630.6%
24M
9:12/mi
3:35:24
↓ 821.3%
40K· 24.85 mi
9:16/mi
3:43:19
↓ 200.3%
25.2M
10:06/mi
3:46:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:42/mi
3:55:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:02:25
Pace9:20 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2026:558:4026:55
8:40
-
10K
6.21 mi12:10:4053:158:3426:20
8:29
-0:11
15K
9.32 mi12:37:161:19:518:3426:36
8:34
+0:05
20K
12.43 mi13:04:371:47:128:3827:21
8:48
+0:14
Half
13.11 mi13:10:401:53:158:386:03
8:52
+0:04
25K
15.53 mi13:32:482:15:238:4322:08
9:08
+0:16
30K
18.64 mi14:02:552:45:308:5330:07
9:42
+0:34
20M
20.00 mi14:15:312:58:068:5412:36
9:16
-0:26
21M
21.00 mi14:25:223:07:578:579:51
9:51
+0:35
35K
21.75 mi14:32:063:14:418:576:44
9:00
-0:51
23M
23.00 mi14:43:373:26:128:5811:31
9:12
+0:12
24M
24.00 mi14:52:493:35:248:599:12
9:12
0:00
40K
24.85 mi15:00:443:43:198:597:55
9:16
+0:04
25.2M
25.20 mi15:04:133:46:489:003:29
10:06
+0:50
Finish
26.22 mi15:13:053:55:409:008:52
8:42
-1:24

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

8:29 /mi

Average Pace

9:00 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:13

82% of race

Time at Steady Pace

39:58

17% of race

Time at Slower Pace

3:29

1% of race

Average Pace: 8:59 /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 mi11:44:2026:558:4026:55
8:40
#20831
10K
6.21 mi12:10:4053:158:3426:20
8:29
#20244
15K
9.32 mi12:37:161:19:518:3426:36
8:34
#20065
20K
12.43 mi13:04:371:47:128:3827:21
8:48
#20012
Half
13.11 mi13:10:401:53:158:386:03
8:52
#20059
25K
15.53 mi13:32:482:15:238:4322:08
9:08
#20150
30K
18.64 mi14:02:552:45:308:5330:07
9:42
#20277
20M
20.00 mi14:15:312:58:068:5412:36
9:16
#20108
21M
21.00 mi14:25:223:07:578:579:51
9:51
#19950
35K
21.75 mi14:32:063:14:418:576:44
9:00
#19881
23M
23.00 mi14:43:373:26:128:5811:31
9:12
#19728
24M
24.00 mi14:52:493:35:248:599:12
9:12
#19667
40K
24.85 mi15:00:443:43:198:597:55
9:16
#19597
25.2M
25.20 mi15:04:133:46:489:003:29
10:06
#19565
Finish
26.22 mi15:13:053:55:409:008:52
8:42
#19487
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi208317988798819711(Top 69%)7281(Top 60%)7281(Top 133%)
10K6.21 mi3.10 mi20244+5877620+3687620+36819671(Top 69%)7289(Top 60%)7289(Top 133%)
15K9.32 mi3.11 mi20065+1797503+1177503+11719711(Top 69%)7281(Top 60%)7281(Top 133%)
20K12.43 mi3.11 mi20012+537482+217482+2119951(Top 70%)7452(Top 61%)7452(Top 136%)
Half13.11 mi0.68 mi20059-477511-297511-2921243(Top 75%)8157(Top 67%)8157(Top 149%)
25K15.53 mi2.42 mi20150-917577-667577-6620485(Top 72%)7799(Top 64%)7799(Top 143%)
30K18.64 mi3.11 mi20277-1277689-1127689-11220678(Top 73%)8034(Top 66%)8034(Top 147%)
20M20.00 mi1.36 mi20108+1697611+787611+7818188(Top 64%)6828(Top 56%)6828(Top 125%)
21M21.00 mi1.00 mi19950+1587542+697542+6917726(Top 62%)6659(Top 54%)6659(Top 122%)
35K21.75 mi0.75 mi19881+697516+267516+2618267(Top 64%)7059(Top 58%)7059(Top 129%)
23M23.00 mi1.25 mi19728+1537471+457471+4517345(Top 61%)6637(Top 54%)6637(Top 121%)
24M24.00 mi1.00 mi19667+617461+107461+1018376(Top 65%)7241(Top 59%)7241(Top 132%)
40K24.85 mi0.85 mi19597+707436+257436+2517680(Top 62%)6967(Top 57%)6967(Top 127%)
25.2M25.20 mi0.35 mi19565+327434+27434+217539(Top 62%)6893(Top 56%)6893(Top 126%)
Finish26.22 mi1.02 mi19487+787401+337401+3317504(Top 62%)6826(Top 56%)6826(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19711

Females

7281

F18-39

7281

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19671

Females

7289

F18-39

7289

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19711

Females

7281

F18-39

7281

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19951

Females

7452

F18-39

7452

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21243

Females

8157

F18-39

8157

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20485

Females

7799

F18-39

7799

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20678

Females

8034

F18-39

8034

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18188

Females

6828

F18-39

6828

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17726

Females

6659

F18-39

6659

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18267

Females

7059

F18-39

7059

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17345

Females

6637

F18-39

6637

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18376

Females

7241

F18-39

7241

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17680

Females

6967

F18-39

6967

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17539

Females

6893

F18-39

6893

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17504

Females

6826

F18-39

6826

Passing Analysis

Category:
Athletes Passed
2470
Passed By
1126
Net Change
+1344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20831
5K → 10K68598+587#20831#20244
10K → 15K27495+179#20244#20065
15K → 20K214161+53#20065#20012
20K → Half1966-47#20012#20059
Half → 25K123214-91#20059#20150
25K → 30K192319-127#20150#20277
30K → 20M19122+169#20277#20108
20M → 21M17719+158#20108#19950
21M → 35K8415+69#19950#19881
35K → 23M17825+153#19881#19728
23M → 24M9433+61#19728#19667
24M → 40K9323+70#19667#19597
40K → 25.2M5018+32#19597#19565
25.2M → Finish9618+78#19565#19487
TOTALS24701126+1344
📊

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