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BOSTON MARATHON 2025

Fiona Cusack

Bib: 29862•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
29:29
Rank: #24212
Start → 5K
29:29 | 9:29/mi
10K· 6.21 mi
58:09
Rank: #23759 (+453)
5K → 10K
28:40 | 9:14/mi
15K· 9.32 mi
1:26:16
Rank: #23290 (+469)
10K → 15K
28:07 | 9:03/mi
20K· 12.43 mi
1:54:14
Rank: #22745 (+545)
15K → 20K
27:58 | 9:00/mi
Half· 13.11 mi
2:00:17
Rank: #22667 (+78)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:21:56
Rank: #22185 (+482)
Half → 25K
21:39 | 8:56/mi
30K· 18.64 mi
2:49:56
Rank: #21388 (+797)
25K → 30K
28:00 | 9:01/mi
20M
3:02:12
Rank: #21073 (+315)
30K → 20M
12:16 | 9:02/mi
21M
3:11:26
Rank: #20711 (+362)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
3:17:53
Rank: #20574 (+137)
21M → 35K
6:27 | 8:37/mi
23M
3:29:00
Rank: #20312 (+262)
35K → 23M
11:07 | 8:53/mi
24M
3:37:41
Rank: #20146 (+166)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:45:11
Rank: #19976 (+170)
24M → 40K
7:30 | 8:46/mi
25.2M
3:48:20
Rank: #19865 (+111)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:56:29
Rank: #19656 (+209)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:00:17
Pace9:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0529:299:2929:29
9:29
-
10K
6.21 mi12:23:4558:099:2228:40
9:14
-0:15
15K
9.32 mi12:51:521:26:169:1528:07
9:03
-0:11
20K
12.43 mi13:19:501:54:149:1227:58
9:00
-0:03
Half
13.11 mi13:25:532:00:179:116:03
8:52
-0:08
25K
15.53 mi13:47:322:21:569:0821:39
8:56
+0:04
30K
18.64 mi14:15:322:49:569:0728:00
9:01
+0:05
20M
20.00 mi14:27:483:02:129:0712:16
9:02
+0:01
21M
21.00 mi14:37:023:11:269:079:14
9:14
+0:12
35K
21.75 mi14:43:293:17:539:066:27
8:37
-0:37
23M
23.00 mi14:54:363:29:009:0511:07
8:53
+0:16
24M
24.00 mi15:03:173:37:419:048:41
8:41
-0:12
40K
24.85 mi15:10:473:45:119:047:30
8:46
+0:05
25.2M
25.20 mi15:13:563:48:209:043:09
9:08
+0:22
Finish
26.22 mi15:22:053:56:299:028:09
8:00
-1:08

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

8:00 /mi

Average Pace

9:02 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:47

13% of race

Time at Steady Pace

2:56:13

75% of race

Time at Slower Pace

29:29

12% of race

Average Pace: 9:01 /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 mi11:55:0529:299:2929:29
9:29
#24212
10K
6.21 mi12:23:4558:099:2228:40
9:14
#23759
15K
9.32 mi12:51:521:26:169:1528:07
9:03
#23290
20K
12.43 mi13:19:501:54:149:1227:58
9:00
#22745
Half
13.11 mi13:25:532:00:179:116:03
8:52
#22667
25K
15.53 mi13:47:322:21:569:0821:39
8:56
#22185
30K
18.64 mi14:15:322:49:569:0728:00
9:01
#21388
20M
20.00 mi14:27:483:02:129:0712:16
9:02
#21073
21M
21.00 mi14:37:023:11:269:079:14
9:14
#20711
35K
21.75 mi14:43:293:17:539:066:27
8:37
#20574
23M
23.00 mi14:54:363:29:009:0511:07
8:53
#20312
24M
24.00 mi15:03:173:37:419:048:41
8:41
#20146
40K
24.85 mi15:10:473:45:119:047:30
8:46
#19976
25.2M
25.20 mi15:13:563:48:209:043:09
9:08
#19865
Finish
26.22 mi15:22:053:56:299:028:09
8:00
#19656
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242129804980422254(Top 78%)8694(Top 71%)8694(Top 159%)
10K6.21 mi3.10 mi23759+4539555+2499555+24923298(Top 82%)9292(Top 76%)9292(Top 170%)
15K9.32 mi3.11 mi23290+4699286+2699286+26922254(Top 78%)8694(Top 71%)8694(Top 159%)
20K12.43 mi3.11 mi22745+5458977+3098977+30920979(Top 74%)8042(Top 66%)8042(Top 147%)
Half13.11 mi0.68 mi22667+788942+358942+3521246(Top 75%)8160(Top 67%)8160(Top 149%)
25K15.53 mi2.42 mi22185+4828704+2388704+23819588(Top 69%)7309(Top 60%)7309(Top 134%)
30K18.64 mi3.11 mi21388+7978295+4098295+40917769(Top 63%)6457(Top 53%)6457(Top 118%)
20M20.00 mi1.36 mi21073+3158145+1508145+15016968(Top 60%)6127(Top 50%)6127(Top 112%)
21M21.00 mi1.00 mi20711+3627963+1827963+18214862(Top 52%)5102(Top 42%)5102(Top 93%)
35K21.75 mi0.75 mi20574+1377904+597904+5916255(Top 57%)5940(Top 49%)5940(Top 109%)
23M23.00 mi1.25 mi20312+2627792+1127792+11215596(Top 55%)5674(Top 46%)5674(Top 104%)
24M24.00 mi1.00 mi20146+1667718+747718+7415691(Top 55%)5757(Top 47%)5757(Top 105%)
40K24.85 mi0.85 mi19976+1707646+727646+7215089(Top 53%)5584(Top 46%)5584(Top 102%)
25.2M25.20 mi0.35 mi19865+1117594+527594+5212697(Top 45%)4376(Top 36%)4376(Top 80%)
Finish26.22 mi1.02 mi19656+2097494+1007494+10012923(Top 45%)4406(Top 36%)4406(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22254

Females

8694

F18-39

8694

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23298

Females

9292

F18-39

9292

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22254

Females

8694

F18-39

8694

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20979

Females

8042

F18-39

8042

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21246

Females

8160

F18-39

8160

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19588

Females

7309

F18-39

7309

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17769

Females

6457

F18-39

6457

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16968

Females

6127

F18-39

6127

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14862

Females

5102

F18-39

5102

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16255

Females

5940

F18-39

5940

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15596

Females

5674

F18-39

5674

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15691

Females

5757

F18-39

5757

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15089

Females

5584

F18-39

5584

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12697

Females

4376

F18-39

4376

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12923

Females

4406

F18-39

4406

Passing Analysis

Category:
Athletes Passed
4689
Passed By
133
Net Change
+4556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24212
5K → 10K53885+453#24212#23759
10K → 15K48617+469#23759#23290
15K → 20K55510+545#23290#22745
20K → Half868+78#22745#22667
Half → 25K4864+482#22667#22185
25K → 30K7981+797#22185#21388
30K → 20M3161+315#21388#21073
20M → 21M3631+362#21073#20711
21M → 35K1381+137#20711#20574
35K → 23M2631+262#20574#20312
23M → 24M1693+166#20312#20146
24M → 40K1711+170#20146#19976
40K → 25.2M1110+111#19976#19865
25.2M → Finish2090+209#19865#19656
TOTALS4689133+4556
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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