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BOSTON MARATHON 2025

Jillian O'donnell

Bib: 30178•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
29:56
Rank: #24645
Start → 5K
29:56 | 9:38/mi
10K· 6.21 mi
59:57
Rank: #24599 (+46)
5K → 10K
30:01 | 9:40/mi
15K· 9.32 mi
1:29:26
Rank: #24308 (+291)
10K → 15K
29:29 | 9:29/mi
20K· 12.43 mi
2:00:07
Rank: #24213 (+95)
15K → 20K
30:41 | 9:53/mi
Half· 13.11 mi
2:06:40
Rank: #24193 (+20)
20K → Half
6:33 | 9:36/mi
25K· 15.53 mi
2:33:29
Rank: #24461 (-268)
Half → 25K
26:49 | 11:04/mi
30K· 18.64 mi
3:05:17
Rank: #24075 (+386)
25K → 30K
31:48 | 10:14/mi
20M
3:19:42
Rank: #23975 (+100)
30K → 20M
14:25 | 10:37/mi
21M
3:31:50
Rank: #23959 (+16)
20M → 21M
12:08 | 12:08/mi
35K· 21.75 mi
3:39:20
Rank: #23882 (+77)
21M → 35K
7:30 | 10:01/mi
23M
3:53:05
Rank: #23836 (+46)
35K → 23M
13:45 | 10:59/mi
24M
4:03:33
Rank: #23787 (+49)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
4:12:46
Rank: #23737 (+50)
24M → 40K
9:13 | 10:47/mi
25.2M
4:16:41
Rank: #23725 (+12)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:26:31
Rank: #23649 (+76)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:40
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:19:51
Pace10:40 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5729:569:3829:56
9:38
-
10K
6.21 mi12:20:5859:579:3930:01
9:40
+0:02
15K
9.32 mi12:50:271:29:269:3629:29
9:29
-0:11
20K
12.43 mi13:21:082:00:079:4030:41
9:53
+0:24
Half
13.11 mi13:27:412:06:409:406:33
9:36
-0:17
25K
15.53 mi13:54:302:33:299:5326:49
11:04
+1:28
30K
18.64 mi14:26:183:05:179:5631:48
10:14
-0:50
20M
20.00 mi14:40:433:19:429:5914:25
10:37
+0:23
21M
21.00 mi14:52:513:31:5010:0512:08
12:08
+1:31
35K
21.75 mi15:00:213:39:2010:057:30
10:01
-2:07
23M
23.00 mi15:14:063:53:0510:0813:45
10:59
+0:58
24M
24.00 mi15:24:344:03:3310:0910:28
10:28
-0:31
40K
24.85 mi15:33:474:12:4610:109:13
10:47
+0:19
25.2M
25.20 mi15:37:424:16:4110:113:55
11:21
+0:34
Finish
26.22 mi15:47:324:26:3110:109:50
9:39
-1:42

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

9:29 /mi

Average Pace

10:10 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:49

40% of race

Time at Steady Pace

1:20:27

30% of race

Time at Slower Pace

1:20:15

30% of race

Average Pace: 10:10 /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 mi11:50:5729:569:3829:56
9:38
#24645
10K
6.21 mi12:20:5859:579:3930:01
9:40
#24599
15K
9.32 mi12:50:271:29:269:3629:29
9:29
#24308
20K
12.43 mi13:21:082:00:079:4030:41
9:53
#24213
Half
13.11 mi13:27:412:06:409:406:33
9:36
#24193
25K
15.53 mi13:54:302:33:299:5326:49
11:04
#24461
30K
18.64 mi14:26:183:05:179:5631:48
10:14
#24075
20M
20.00 mi14:40:433:19:429:5914:25
10:37
#23975
21M
21.00 mi14:52:513:31:5010:0512:08
12:08
#23959
35K
21.75 mi15:00:213:39:2010:057:30
10:01
#23882
23M
23.00 mi15:14:063:53:0510:0813:45
10:59
#23836
24M
24.00 mi15:24:344:03:3310:0910:28
10:28
#23787
40K
24.85 mi15:33:474:12:4610:109:13
10:47
#23737
25.2M
25.20 mi15:37:424:16:4110:113:55
11:21
#23725
Finish
26.22 mi15:47:324:26:3110:109:50
9:39
#23649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24645100331003323719(Top 84%)9500(Top 78%)9500(Top 174%)
10K6.21 mi3.10 mi24599+4610006+2710006+2724512(Top 86%)9969(Top 82%)9969(Top 182%)
15K9.32 mi3.11 mi24308+2919846+1609846+16023719(Top 84%)9500(Top 78%)9500(Top 174%)
20K12.43 mi3.11 mi24213+959811+359811+3523960(Top 84%)9682(Top 79%)9682(Top 177%)
Half13.11 mi0.68 mi24193+209805+69805+623869(Top 84%)9630(Top 79%)9630(Top 176%)
25K15.53 mi2.42 mi24461-2689959-1549959-15425292(Top 89%)10461(Top 86%)10461(Top 191%)
30K18.64 mi3.11 mi24075+3869769+1909769+19022282(Top 78%)8932(Top 73%)8932(Top 163%)
20M20.00 mi1.36 mi23975+1009737+329737+3222736(Top 80%)9276(Top 76%)9276(Top 170%)
21M21.00 mi1.00 mi23959+169744-79744-723828(Top 84%)9937(Top 81%)9937(Top 182%)
35K21.75 mi0.75 mi23882+779715+299715+2921985(Top 77%)9031(Top 74%)9031(Top 165%)
23M23.00 mi1.25 mi23836+469710+59710+523189(Top 82%)9707(Top 79%)9707(Top 177%)
24M24.00 mi1.00 mi23787+499698+129698+1222735(Top 80%)9504(Top 78%)9504(Top 174%)
40K24.85 mi0.85 mi23737+509689+99689+922653(Top 80%)9530(Top 78%)9530(Top 174%)
25.2M25.20 mi0.35 mi23725+129685+49685+421717(Top 76%)9023(Top 74%)9023(Top 165%)
Finish26.22 mi1.02 mi23649+769665+209665+2021749(Top 77%)9042(Top 74%)9042(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23719

Females

9500

F18-39

9500

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24512

Females

9969

F18-39

9969

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23719

Females

9500

F18-39

9500

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23960

Females

9682

F18-39

9682

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23869

Females

9630

F18-39

9630

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25292

Females

10461

F18-39

10461

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22282

Females

8932

F18-39

8932

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22736

Females

9276

F18-39

9276

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23828

Females

9937

F18-39

9937

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21985

Females

9031

F18-39

9031

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23189

Females

9707

F18-39

9707

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22735

Females

9504

F18-39

9504

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22653

Females

9530

F18-39

9530

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21717

Females

9023

F18-39

9023

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21749

Females

9042

F18-39

9042

Passing Analysis

Category:
Athletes Passed
1831
Passed By
835
Net Change
+996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24645
5K → 10K220174+46#24645#24599
10K → 15K32534+291#24599#24308
15K → 20K18388+95#24308#24213
20K → Half3616+20#24213#24193
Half → 25K53321-268#24193#24461
25K → 30K40418+386#24461#24075
30K → 20M13232+100#24075#23975
20M → 21M6448+16#23975#23959
21M → 35K9316+77#23959#23882
35K → 23M8539+46#23882#23836
23M → 24M6819+49#23836#23787
24M → 40K6313+50#23787#23737
40K → 25.2M164+12#23737#23725
25.2M → Finish8913+76#23725#23649
TOTALS1831835+996
📊

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