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BOSTON MARATHON 2025

Olivia Seline

Bib: 27282•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

Start
0:00:00
Race begins
5K· 3.11 mi
27:54
Rank: #22340
Start → 5K
27:54 | 8:59/mi
10K· 6.21 mi
55:42
Rank: #22281 (+59)
5K → 10K
27:48 | 8:57/mi
15K· 9.32 mi
1:23:05
Rank: #21884 (+397)
10K → 15K
27:23 | 8:49/mi
20K· 12.43 mi
1:50:45
Rank: #21511 (+373)
15K → 20K
27:40 | 8:54/mi
Half· 13.11 mi
1:56:46
Rank: #21470 (+41)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:18:23
Rank: #21149 (+321)
Half → 25K
21:37 | 8:55/mi
30K· 18.64 mi
2:47:20
Rank: #20757 (+392)
25K → 30K
28:57 | 9:19/mi
20M
3:00:15
Rank: #20617 (+140)
30K → 20M
12:55 | 9:30/mi
21M
3:10:14
Rank: #20477 (+140)
20M → 21M
9:59 | 9:59/mi
35K· 21.75 mi
3:19:01
Rank: #20811 (-334)
21M → 35K
8:47 | 11:44/mi
23M
3:32:55
Rank: #21055 (-244)
35K → 23M
13:54 | 11:06/mi
24M
3:44:11
Rank: #21286 (-231)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
3:53:10
Rank: #21309 (-23)
24M → 40K
8:59 | 10:30/mi
25.2M
3:56:52
Rank: #21285 (+24)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
4:06:17
Rank: #21233 (+52)
25.2M → Finish
9:25 | 9:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:09:31
Pace9:53 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0627:548:5927:54
8:59
-
10K
6.21 mi12:11:5455:428:5827:48
8:57
-0:02
15K
9.32 mi12:39:171:23:058:5527:23
8:49
-0:08
20K
12.43 mi13:06:571:50:458:5527:40
8:54
+0:05
Half
13.11 mi13:12:581:56:468:546:01
8:49
-0:05
25K
15.53 mi13:34:352:18:238:5421:37
8:55
+0:06
30K
18.64 mi14:03:322:47:208:5928:57
9:19
+0:24
20M
20.00 mi14:16:273:00:159:0112:55
9:30
+0:11
21M
21.00 mi14:26:263:10:149:049:59
9:59
+0:29
35K
21.75 mi14:35:133:19:019:098:47
11:44
+1:45
23M
23.00 mi14:49:073:32:559:1513:54
11:06
-0:38
24M
24.00 mi15:00:233:44:119:2011:16
11:16
+0:10
40K
24.85 mi15:09:223:53:109:238:59
10:30
-0:46
25.2M
25.20 mi15:13:043:56:529:243:42
10:44
+0:14
Finish
26.22 mi15:22:294:06:179:249:25
9:14
-1:30

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

8:49 /mi

Average Pace

9:24 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:24

14% of race

Time at Steady Pace

2:36:16

63% of race

Time at Slower Pace

56:37

23% of race

Average Pace: 9:24 /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 mi11:44:0627:548:5927:54
8:59
#22340
10K
6.21 mi12:11:5455:428:5827:48
8:57
#22281
15K
9.32 mi12:39:171:23:058:5527:23
8:49
#21884
20K
12.43 mi13:06:571:50:458:5527:40
8:54
#21511
Half
13.11 mi13:12:581:56:468:546:01
8:49
#21470
25K
15.53 mi13:34:352:18:238:5421:37
8:55
#21149
30K
18.64 mi14:03:322:47:208:5928:57
9:19
#20757
20M
20.00 mi14:16:273:00:159:0112:55
9:30
#20617
21M
21.00 mi14:26:263:10:149:049:59
9:59
#20477
35K
21.75 mi14:35:133:19:019:098:47
11:44
#20811
23M
23.00 mi14:49:073:32:559:1513:54
11:06
#21055
24M
24.00 mi15:00:233:44:119:2011:16
11:16
#21286
40K
24.85 mi15:09:223:53:109:238:59
10:30
#21309
25.2M
25.20 mi15:13:043:56:529:243:42
10:44
#21285
Finish
26.22 mi15:22:294:06:179:249:25
9:14
#21233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223408821882121094(Top 74%)8053(Top 66%)8053(Top 147%)
10K6.21 mi3.10 mi22281+598774+478774+4722150(Top 78%)8683(Top 71%)8683(Top 159%)
15K9.32 mi3.11 mi21884+3978536+2388536+23821094(Top 74%)8053(Top 66%)8053(Top 147%)
20K12.43 mi3.11 mi21511+3738320+2168320+21620518(Top 72%)7786(Top 64%)7786(Top 142%)
Half13.11 mi0.68 mi21470+418297+238297+2321040(Top 74%)8073(Top 66%)8073(Top 148%)
25K15.53 mi2.42 mi21149+3218124+1738124+17319512(Top 69%)7270(Top 59%)7270(Top 133%)
30K18.64 mi3.11 mi20757+3927959+1657959+16519208(Top 68%)7236(Top 59%)7236(Top 132%)
20M20.00 mi1.36 mi20617+1407898+617898+6119229(Top 68%)7394(Top 60%)7394(Top 135%)
21M21.00 mi1.00 mi20477+1407844+547844+5418261(Top 64%)6932(Top 57%)6932(Top 127%)
35K21.75 mi0.75 mi20811-3348039-1958039-19525479(Top 90%)10833(Top 89%)10833(Top 198%)
23M23.00 mi1.25 mi21055-2448192-1538192-15323465(Top 83%)9831(Top 80%)9831(Top 180%)
24M24.00 mi1.00 mi21286-2318336-1448336-14424502(Top 86%)10381(Top 85%)10381(Top 190%)
40K24.85 mi0.85 mi21309-238369-338369-3321964(Top 77%)9175(Top 75%)9175(Top 168%)
25.2M25.20 mi0.35 mi21285+248365+48365+419868(Top 70%)8096(Top 66%)8096(Top 148%)
Finish26.22 mi1.02 mi21233+528351+148351+1420156(Top 71%)8234(Top 67%)8234(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

21094

Females

8053

F18-39

8053

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22150

Females

8683

F18-39

8683

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

21094

Females

8053

F18-39

8053

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20518

Females

7786

F18-39

7786

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21040

Females

8073

F18-39

8073

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19512

Females

7270

F18-39

7270

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19208

Females

7236

F18-39

7236

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19229

Females

7394

F18-39

7394

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18261

Females

6932

F18-39

6932

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25479

Females

10833

F18-39

10833

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23465

Females

9831

F18-39

9831

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24502

Females

10381

F18-39

10381

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21964

Females

9175

F18-39

9175

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19868

Females

8096

F18-39

8096

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20156

Females

8234

F18-39

8234

Passing Analysis

Category:
Athletes Passed
2514
Passed By
1407
Net Change
+1107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22340
5K → 10K287228+59#22340#22281
10K → 15K44649+397#22281#21884
15K → 20K40633+373#21884#21511
20K → Half5716+41#21511#21470
Half → 25K33918+321#21470#21149
25K → 30K42937+392#21149#20757
30K → 20M17535+140#20757#20617
20M → 21M15818+140#20617#20477
21M → 35K11345-334#20477#20811
35K → 23M40284-244#20811#21055
23M → 24M13244-231#21055#21286
24M → 40K4265-23#21286#21309
40K → 25.2M3612+24#21309#21285
25.2M → Finish7523+52#21285#21233
TOTALS25141407+1107
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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