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BOSTON MARATHON 2025

Catherine Mclane

Bib: 31063•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
29:24
Rank: #24114
Start → 5K
29:24 | 9:28/mi
10K· 6.21 mi
57:47
Rank: #23557 (+557)
5K → 10K
28:23 | 9:08/mi
15K· 9.32 mi
1:28:04
Rank: #23898 (-341)
10K → 15K
30:17 | 9:45/mi
20K· 12.43 mi
2:02:51
Rank: #24720 (-822)
15K → 20K
34:47 | 11:12/mi
Half· 13.11 mi
2:10:21
Rank: #24846 (-126)
20K → Half
7:30 | 11:00/mi
25K· 15.53 mi
2:40:23
Rank: #25364 (-518)
Half → 25K
30:02 | 12:23/mi
30K· 18.64 mi
3:18:09
Rank: #25471 (-107)
25K → 30K
37:46 | 12:09/mi
20M
3:33:08
Rank: #25344 (+127)
30K → 20M
14:59 | 11:02/mi
21M
3:44:43
Rank: #25234 (+110)
20M → 21M
11:35 | 11:35/mi
35K· 21.75 mi
3:52:50
Rank: #25196 (+38)
21M → 35K
8:07 | 10:51/mi
23M
4:09:11
Rank: #25289 (-93)
35K → 23M
16:21 | 13:04/mi
24M
4:19:44
Rank: #25207 (+82)
23M → 24M
10:33 | 10:33/mi
40K· 24.85 mi
4:29:23
Rank: #25161 (+46)
24M → 40K
9:39 | 11:17/mi
25.2M
4:33:16
Rank: #25129 (+32)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:42:42
Rank: #25038 (+91)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:21
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:32:21
Pace11:37 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5929:249:2829:24
9:28
-
10K
6.21 mi12:19:2257:479:1828:23
9:08
-0:20
15K
9.32 mi12:49:391:28:049:2730:17
9:45
+0:37
20K
12.43 mi13:24:262:02:519:5334:47
11:12
+1:27
Half
13.11 mi13:31:562:10:219:577:30
11:00
-0:12
25K
15.53 mi14:01:582:40:2310:1930:02
12:23
+1:23
30K
18.64 mi14:39:443:18:0910:3837:46
12:09
-0:14
20M
20.00 mi14:54:433:33:0810:3914:59
11:02
-1:07
21M
21.00 mi15:06:183:44:4310:4211:35
11:35
+0:33
35K
21.75 mi15:14:253:52:5010:428:07
10:51
-0:44
23M
23.00 mi15:30:464:09:1110:5016:21
13:04
+2:13
24M
24.00 mi15:41:194:19:4410:4910:33
10:33
-2:31
40K
24.85 mi15:50:584:29:2310:509:39
11:17
+0:44
25.2M
25.20 mi15:54:514:33:1610:513:53
11:16
-0:01
Finish
26.22 mi16:04:174:42:4210:479:26
9:15
-2:01

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

9:08 /mi

Average Pace

10:47 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:30

34% of race

Time at Steady Pace

1:41:03

36% of race

Time at Slower Pace

1:24:09

30% of race

Average Pace: 10:47 /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 mi11:50:5929:249:2829:24
9:28
#24114
10K
6.21 mi12:19:2257:479:1828:23
9:08
#23557
15K
9.32 mi12:49:391:28:049:2730:17
9:45
#23898
20K
12.43 mi13:24:262:02:519:5334:47
11:12
#24720
Half
13.11 mi13:31:562:10:219:577:30
11:00
#24846
25K
15.53 mi14:01:582:40:2310:1930:02
12:23
#25364
30K
18.64 mi14:39:443:18:0910:3837:46
12:09
#25471
20M
20.00 mi14:54:433:33:0810:3914:59
11:02
#25344
21M
21.00 mi15:06:183:44:4310:4211:35
11:35
#25234
35K
21.75 mi15:14:253:52:5010:428:07
10:51
#25196
23M
23.00 mi15:30:464:09:1110:5016:21
13:04
#25289
24M
24.00 mi15:41:194:19:4410:4910:33
10:33
#25207
40K
24.85 mi15:50:584:29:2310:509:39
11:17
#25161
25.2M
25.20 mi15:54:514:33:1610:513:53
11:16
#25129
Finish
26.22 mi16:04:174:42:4210:479:26
9:15
#25038
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241149757975724411(Top 86%)9904(Top 81%)9904(Top 181%)
10K6.21 mi3.10 mi23557+5579459+2989459+29822937(Top 81%)9097(Top 74%)9097(Top 166%)
15K9.32 mi3.11 mi23898-3419620-1619620-16124411(Top 86%)9904(Top 81%)9904(Top 181%)
20K12.43 mi3.11 mi24720-82210082-46210082-46226283(Top 93%)10961(Top 90%)10961(Top 200%)
Half13.11 mi0.68 mi24846-12610150-6810150-6826461(Top 93%)11097(Top 91%)11097(Top 203%)
25K15.53 mi2.42 mi25364-51810452-30210452-30226824(Top 94%)11329(Top 93%)11329(Top 207%)
30K18.64 mi3.11 mi25471-10710546-9410546-9425771(Top 91%)10823(Top 89%)10823(Top 198%)
20M20.00 mi1.36 mi25344+12710490+5610490+5623623(Top 83%)9753(Top 80%)9753(Top 178%)
21M21.00 mi1.00 mi25234+11010442+4810442+4822767(Top 80%)9383(Top 77%)9383(Top 172%)
35K21.75 mi0.75 mi25196+3810425+1710425+1723893(Top 84%)9996(Top 82%)9996(Top 183%)
23M23.00 mi1.25 mi25289-9310487-6210487-6226432(Top 93%)11312(Top 93%)11312(Top 207%)
24M24.00 mi1.00 mi25207+8210455+3210455+3222939(Top 81%)9611(Top 79%)9611(Top 176%)
40K24.85 mi0.85 mi25161+4610435+2010435+2023719(Top 84%)10043(Top 82%)10043(Top 184%)
25.2M25.20 mi0.35 mi25129+3210422+1310422+1321338(Top 75%)8847(Top 72%)8847(Top 162%)
Finish26.22 mi1.02 mi25038+9110380+4210380+4220173(Top 71%)8251(Top 67%)8251(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24411

Females

9904

F18-39

9904

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

22937

Females

9097

F18-39

9097

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24411

Females

9904

F18-39

9904

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26283

Females

10961

F18-39

10961

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26461

Females

11097

F18-39

11097

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26824

Females

11329

F18-39

11329

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25771

Females

10823

F18-39

10823

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23623

Females

9753

F18-39

9753

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22767

Females

9383

F18-39

9383

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23893

Females

9996

F18-39

9996

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

26432

Females

11312

F18-39

11312

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22939

Females

9611

F18-39

9611

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23719

Females

10043

F18-39

10043

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21338

Females

8847

F18-39

8847

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20173

Females

8251

F18-39

8251

Passing Analysis

Category:
Athletes Passed
1387
Passed By
2311
Net Change
-924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24114
5K → 10K61457+557#24114#23557
10K → 15K76417-341#23557#23898
15K → 20K13835-822#23898#24720
20K → Half4130-126#24720#24846
Half → 25K11529-518#24846#25364
25K → 30K86193-107#25364#25471
30K → 20M1369+127#25471#25344
20M → 21M1133+110#25344#25234
21M → 35K446+38#25234#25196
35K → 23M18111-93#25196#25289
23M → 24M9210+82#25289#25207
24M → 40K5610+46#25207#25161
40K → 25.2M320+32#25161#25129
25.2M → Finish921+91#25129#25038
TOTALS13872311-924
📊

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