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BOSTON MARATHON 2025

Cat Driscoll

Bib: 26802•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
28:20
Rank: #22926
Start → 5K
28:20 | 9:07/mi
10K· 6.21 mi
56:54
Rank: #23053 (-127)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:25:41
Rank: #23073 (-20)
10K → 15K
28:47 | 9:16/mi
20K· 12.43 mi
1:54:16
Rank: #22768 (+305)
15K → 20K
28:35 | 9:12/mi
Half· 13.11 mi
2:00:28
Rank: #22738 (+30)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:23:28
Rank: #22561 (+177)
Half → 25K
23:00 | 9:29/mi
30K· 18.64 mi
2:55:56
Rank: #22630 (-69)
25K → 30K
32:28 | 10:27/mi
20M
3:08:29
Rank: #22326 (+304)
30K → 20M
12:33 | 9:14/mi
21M
3:23:27
Rank: #22836 (-510)
20M → 21M
14:58 | 14:58/mi
35K· 21.75 mi
3:30:50
Rank: #22781 (+55)
21M → 35K
7:23 | 9:52/mi
23M
3:43:36
Rank: #22657 (+124)
35K → 23M
12:46 | 10:12/mi
24M
3:52:48
Rank: #22486 (+171)
23M → 24M
9:12 | 9:12/mi
40K· 24.85 mi
4:01:12
Rank: #22383 (+103)
24M → 40K
8:24 | 9:49/mi
25.2M
4:04:59
Rank: #22353 (+30)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:14:26
Rank: #22280 (+73)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:13:58
Pace10:13 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0828:209:0728:20
9:07
-
10K
6.21 mi12:13:4256:549:0928:34
9:12
+0:05
15K
9.32 mi12:42:291:25:419:1228:47
9:16
+0:04
20K
12.43 mi13:11:041:54:169:1228:35
9:12
-0:04
Half
13.11 mi13:17:162:00:289:116:12
9:05
-0:07
25K
15.53 mi13:40:162:23:289:1423:00
9:29
+0:24
30K
18.64 mi14:12:442:55:569:2632:28
10:27
+0:58
20M
20.00 mi14:25:173:08:299:2512:33
9:14
-1:13
21M
21.00 mi14:40:153:23:279:4114:58
14:58
+5:44
35K
21.75 mi14:47:383:30:509:427:23
9:52
-5:06
23M
23.00 mi15:00:243:43:369:4312:46
10:12
+0:20
24M
24.00 mi15:09:363:52:489:429:12
9:12
-1:00
40K
24.85 mi15:18:004:01:129:428:24
9:49
+0:37
25.2M
25.20 mi15:21:474:04:599:433:47
10:58
+1:09
Finish
26.22 mi15:31:144:14:269:439:27
9:16
-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

9:05 /mi

Average Pace

9:43 /mi

Slowest Pace

14:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:10:27

75% of race

Time at Slower Pace

1:03:59

25% of race

Average Pace: 9:42 /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 mi11:45:0828:209:0728:20
9:07
#22926
10K
6.21 mi12:13:4256:549:0928:34
9:12
#23053
15K
9.32 mi12:42:291:25:419:1228:47
9:16
#23073
20K
12.43 mi13:11:041:54:169:1228:35
9:12
#22768
Half
13.11 mi13:17:162:00:289:116:12
9:05
#22738
25K
15.53 mi13:40:162:23:289:1423:00
9:29
#22561
30K
18.64 mi14:12:442:55:569:2632:28
10:27
#22630
20M
20.00 mi14:25:173:08:299:2512:33
9:14
#22326
21M
21.00 mi14:40:153:23:279:4114:58
14:58
#22836
35K
21.75 mi14:47:383:30:509:427:23
9:52
#22781
23M
23.00 mi15:00:243:43:369:4312:46
10:12
#22657
24M
24.00 mi15:09:363:52:489:429:12
9:12
#22486
40K
24.85 mi15:18:004:01:129:428:24
9:49
#22383
25.2M
25.20 mi15:21:474:04:599:433:47
10:58
#22353
Finish
26.22 mi15:31:144:14:269:439:27
9:16
#22280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229269130913023094(Top 81%)9147(Top 75%)9147(Top 167%)
10K6.21 mi3.10 mi23053-1279178-489178-4823184(Top 82%)9228(Top 75%)9228(Top 169%)
15K9.32 mi3.11 mi23073-209168+109168+1023094(Top 81%)9147(Top 75%)9147(Top 167%)
20K12.43 mi3.11 mi22768+3058991+1778991+17721904(Top 77%)8539(Top 70%)8539(Top 156%)
Half13.11 mi0.68 mi22738+308978+138978+1322211(Top 78%)8728(Top 71%)8728(Top 160%)
25K15.53 mi2.42 mi22561+1778901+778901+7721821(Top 77%)8555(Top 70%)8555(Top 156%)
30K18.64 mi3.11 mi22630-698986-858986-8522826(Top 80%)9225(Top 75%)9225(Top 169%)
20M20.00 mi1.36 mi22326+3048832+1548832+15417994(Top 63%)6723(Top 55%)6723(Top 123%)
21M21.00 mi1.00 mi22836-5109143-3119143-31127129(Top 96%)11631(Top 95%)11631(Top 213%)
35K21.75 mi0.75 mi22781+559121+229121+2221546(Top 76%)8801(Top 72%)8801(Top 161%)
23M23.00 mi1.25 mi22657+1249078+439078+4321121(Top 74%)8620(Top 70%)8620(Top 158%)
24M24.00 mi1.00 mi22486+1719002+769002+7618384(Top 65%)7249(Top 59%)7249(Top 133%)
40K24.85 mi0.85 mi22383+1038970+328970+3219915(Top 70%)8111(Top 66%)8111(Top 148%)
25.2M25.20 mi0.35 mi22353+308962+88962+820594(Top 73%)8472(Top 69%)8472(Top 155%)
Finish26.22 mi1.02 mi22280+738938+248938+2420300(Top 71%)8298(Top 68%)8298(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

23094

Females

9147

F18-39

9147

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23184

Females

9228

F18-39

9228

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

23094

Females

9147

F18-39

9147

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21904

Females

8539

F18-39

8539

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22211

Females

8728

F18-39

8728

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21821

Females

8555

F18-39

8555

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22826

Females

9225

F18-39

9225

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17994

Females

6723

F18-39

6723

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27129

Females

11631

F18-39

11631

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21546

Females

8801

F18-39

8801

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21121

Females

8620

F18-39

8620

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18384

Females

7249

F18-39

7249

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19915

Females

8111

F18-39

8111

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20594

Females

8472

F18-39

8472

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20300

Females

8298

F18-39

8298

Passing Analysis

Category:
Athletes Passed
2036
Passed By
1390
Net Change
+646
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22926
5K → 10K171298-127#22926#23053
10K → 15K163183-20#23053#23073
15K → 20K35348+305#23073#22768
20K → Half4414+30#22768#22738
Half → 25K22750+177#22738#22561
25K → 30K155224-69#22561#22630
30K → 20M3040+304#22630#22326
20M → 21M10520-510#22326#22836
21M → 35K6813+55#22836#22781
35K → 23M14117+124#22781#22657
23M → 24M1732+171#22657#22486
24M → 40K1107+103#22486#22383
40K → 25.2M377+30#22383#22353
25.2M → Finish807+73#22353#22280
TOTALS20361390+646
📊

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