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BOSTON MARATHON 2025

Ellie Sullivan

Bib: 26607•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
29:26
Rank: #24175
Start → 5K
9:28/mi
29:26 split
10K· 6.21 mi
57:57
Rank: #23643 (+532)
5K → 10K
9:11/mi
28:31 split
15K· 9.32 mi
1:25:35
Rank: #23021 (+622)
10K → 15K
8:54/mi
27:38 split
20K· 12.43 mi
1:53:16
Rank: #22423 (+598)
15K → 20K
8:55/mi
27:41 split
Half· 13.11 mi
1:59:13
Rank: #22317 (+106)
20K → Half
8:43/mi
5:57 split
25K· 15.53 mi
2:20:48
Rank: #21857 (+460)
Half → 25K
8:54/mi
21:35 split
30K· 18.64 mi
2:49:15
Rank: #21238 (+619)
25K → 30K
9:09/mi
28:27 split
20M
3:01:32
Rank: #20927 (+311)
30K → 20M
9:02/mi
12:17 split
21M
3:10:58
Rank: #20620 (+307)
20M → 21M
9:26/mi
9:26 split
35K· 21.75 mi
3:17:09
Rank: #20432 (+188)
21M → 35K
8:16/mi
6:11 split
23M
3:28:31
Rank: #20215 (+217)
35K → 23M
9:05/mi
11:22 split
24M
3:38:07
Rank: #20232 (-17)
23M → 24M
9:36/mi
9:36 split
40K· 24.85 mi
3:46:27
Rank: #20230 (+2)
24M → 40K
9:45/mi
8:20 split
25.2M
3:50:03
Rank: #20210 (+20)
40K → 25.2M
10:26/mi
3:36 split
Finish· 26.22 mi
3:58:55
Rank: #20143 (+67)
25.2M → Finish
8:42/mi
8:52 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:59:42
Pace9:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3929:269:2829:26
9:28
-
10K
6.21 mi12:14:1057:579:2028:31
9:11
-0:17
15K
9.32 mi12:41:481:25:359:1127:38
8:54
-0:17
20K
12.43 mi13:09:291:53:169:0727:41
8:55
+0:01
Half
13.11 mi13:15:261:59:139:065:57
8:43
-0:12
25K
15.53 mi13:37:012:20:489:0421:35
8:54
+0:11
30K
18.64 mi14:05:282:49:159:0528:27
9:09
+0:15
20M
20.00 mi14:17:453:01:329:0512:17
9:02
-0:07
21M
21.00 mi14:27:113:10:589:069:26
9:26
+0:24
35K
21.75 mi14:33:223:17:099:046:11
8:16
-1:10
23M
23.00 mi14:44:443:28:319:0411:22
9:05
+0:49
24M
24.00 mi14:54:203:38:079:059:36
9:36
+0:31
40K
24.85 mi15:02:403:46:279:078:20
9:45
+0:09
25.2M
25.20 mi15:06:163:50:039:083:36
10:26
+0:41
Finish
26.22 mi15:15:083:58:559:078:52
8:42
-1:44

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

8:16 /mi

Average Pace

9:07 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:00

9% of race

Time at Steady Pace

2:37:31

66% of race

Time at Slower Pace

1:00:24

25% of race

Average Pace: 9:07 /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 mi11:45:3929:269:2829:26
9:28
#24175
10K
6.21 mi12:14:1057:579:2028:31
9:11
#23643
15K
9.32 mi12:41:481:25:359:1127:38
8:54
#23021
20K
12.43 mi13:09:291:53:169:0727:41
8:55
#22423
Half
13.11 mi13:15:261:59:139:065:57
8:43
#22317
25K
15.53 mi13:37:012:20:489:0421:35
8:54
#21857
30K
18.64 mi14:05:282:49:159:0528:27
9:09
#21238
20M
20.00 mi14:17:453:01:329:0512:17
9:02
#20927
21M
21.00 mi14:27:113:10:589:069:26
9:26
#20620
35K
21.75 mi14:33:223:17:099:046:11
8:16
#20432
23M
23.00 mi14:44:443:28:319:0411:22
9:05
#20215
24M
24.00 mi14:54:203:38:079:059:36
9:36
#20232
40K
24.85 mi15:02:403:46:279:078:20
9:45
#20230
25.2M
25.20 mi15:06:163:50:039:083:36
10:26
#20210
Finish
26.22 mi15:15:083:58:559:078:52
8:42
#20143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241759783978321557(Top 76%)8308(Top 68%)8308(Top 152%)
10K6.21 mi3.10 mi23643+5329504+2799504+27923117(Top 81%)9196(Top 75%)9196(Top 168%)
15K9.32 mi3.11 mi23021+6229137+3679137+36721557(Top 76%)8308(Top 68%)8308(Top 152%)
20K12.43 mi3.11 mi22423+5988825+3128825+31220537(Top 72%)7794(Top 64%)7794(Top 143%)
Half13.11 mi0.68 mi22317+1068774+518774+5120530(Top 72%)7778(Top 64%)7778(Top 142%)
25K15.53 mi2.42 mi21857+4608532+2428532+24219458(Top 69%)7235(Top 59%)7235(Top 132%)
30K18.64 mi3.11 mi21238+6198209+3238209+32318462(Top 65%)6820(Top 56%)6820(Top 125%)
20M20.00 mi1.36 mi20927+3118054+1558054+15517045(Top 60%)6167(Top 50%)6167(Top 113%)
21M21.00 mi1.00 mi20620+3077917+1377917+13715815(Top 56%)5618(Top 46%)5618(Top 103%)
35K21.75 mi0.75 mi20432+1887829+887829+8814124(Top 50%)4760(Top 39%)4760(Top 87%)
23M23.00 mi1.25 mi20215+2177737+927737+9216736(Top 59%)6303(Top 52%)6303(Top 115%)
24M24.00 mi1.00 mi20232-177770-337770-3319999(Top 70%)8081(Top 66%)8081(Top 148%)
40K24.85 mi0.85 mi20230+27787-177787-1719646(Top 69%)7967(Top 65%)7967(Top 146%)
25.2M25.20 mi0.35 mi20210+207773+147773+1418842(Top 66%)7553(Top 62%)7553(Top 138%)
Finish26.22 mi1.02 mi20143+677754+197754+1917510(Top 62%)6832(Top 56%)6832(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21557

Females

8308

F18-39

8308

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23117

Females

9196

F18-39

9196

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21557

Females

8308

F18-39

8308

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20537

Females

7794

F18-39

7794

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20530

Females

7778

F18-39

7778

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19458

Females

7235

F18-39

7235

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18462

Females

6820

F18-39

6820

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17045

Females

6167

F18-39

6167

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15815

Females

5618

F18-39

5618

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14124

Females

4760

F18-39

4760

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16736

Females

6303

F18-39

6303

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19999

Females

8081

F18-39

8081

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19646

Females

7967

F18-39

7967

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18842

Females

7553

F18-39

7553

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17510

Females

6832

F18-39

6832

Passing Analysis

Category:
Athletes Passed
4330
Passed By
298
Net Change
+4032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24175
5K → 10K60270+532#24175#23643
10K → 15K6308+622#23643#23021
15K → 20K60810+598#23021#22423
20K → Half1104+106#22423#22317
Half → 25K4666+460#22317#21857
25K → 30K6289+619#21857#21238
30K → 20M3132+311#21238#20927
20M → 21M3081+307#20927#20620
21M → 35K1891+188#20620#20432
35K → 23M22710+217#20432#20215
23M → 24M4966-17#20215#20232
24M → 40K6361+2#20232#20230
40K → 25.2M4121+20#20230#20210
25.2M → Finish9629+67#20210#20143
TOTALS4330298+4032
📊

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