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BOSTON MARATHON 2025

Cassidy Mcgrath

Bib: 26901•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
32:39
Rank: #26763
Start → 5K
32:39 | 10:31/mi
10K· 6.21 mi
1:04:41
Rank: #26308 (+455)
5K → 10K
32:02 | 10:19/mi
15K· 9.32 mi
1:35:55
Rank: #25897 (+411)
10K → 15K
31:14 | 10:03/mi
20K· 12.43 mi
2:07:31
Rank: #25535 (+362)
15K → 20K
31:36 | 10:10/mi
Half· 13.11 mi
2:14:19
Rank: #25505 (+30)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:41:31
Rank: #25505
Half → 25K
27:12 | 11:13/mi
30K· 18.64 mi
3:15:47
Rank: #25241 (+264)
25K → 30K
34:16 | 11:02/mi
20M
3:30:52
Rank: #25143 (+98)
30K → 20M
15:05 | 11:06/mi
21M
3:43:23
Rank: #25118 (+25)
20M → 21M
12:31 | 12:31/mi
35K· 21.75 mi
3:51:18
Rank: #25078 (+40)
21M → 35K
7:55 | 10:35/mi
23M
4:04:56
Rank: #24982 (+96)
35K → 23M
13:38 | 10:53/mi
24M
4:15:58
Rank: #24946 (+36)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:25:17
Rank: #24883 (+63)
24M → 40K
9:19 | 10:54/mi
25.2M
4:29:09
Rank: #24847 (+36)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:39:31
Rank: #24811 (+36)
25.2M → Finish
10:22 | 10:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:19
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:25:12
Pace11:05 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0632:3910:3132:39
10:31
-
10K
6.21 mi12:28:081:04:4110:2532:02
10:19
-0:12
15K
9.32 mi12:59:221:35:5510:1731:14
10:03
-0:16
20K
12.43 mi13:30:582:07:3110:1631:36
10:10
+0:07
Half
13.11 mi13:37:462:14:1910:156:48
9:58
-0:12
25K
15.53 mi14:04:582:41:3110:2427:12
11:13
+1:15
30K
18.64 mi14:39:143:15:4710:3034:16
11:02
-0:11
20M
20.00 mi14:54:193:30:5210:3315:05
11:06
+0:04
21M
21.00 mi15:06:503:43:2310:3812:31
12:31
+1:25
35K
21.75 mi15:14:453:51:1810:387:55
10:35
-1:56
23M
23.00 mi15:28:234:04:5610:3913:38
10:53
+0:18
24M
24.00 mi15:39:254:15:5810:4011:02
11:02
+0:09
40K
24.85 mi15:48:444:25:1710:409:19
10:54
-0:08
25.2M
25.20 mi15:52:364:29:0910:413:52
11:13
+0:19
Finish
26.22 mi16:02:584:39:3110:4010:22
10:10
-1:03

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

9:58 /mi

Average Pace

10:40 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:41

52% of race

Time at Steady Pace

1:31:15

33% of race

Time at Slower Pace

43:35

16% of race

Average Pace: 10:40 /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 mi11:56:0632:3910:3132:39
10:31
#26763
10K
6.21 mi12:28:081:04:4110:2532:02
10:19
#26308
15K
9.32 mi12:59:221:35:5510:1731:14
10:03
#25897
20K
12.43 mi13:30:582:07:3110:1631:36
10:10
#25535
Half
13.11 mi13:37:462:14:1910:156:48
9:58
#25505
25K
15.53 mi14:04:582:41:3110:2427:12
11:13
#25505
30K
18.64 mi14:39:143:15:4710:3034:16
11:02
#25241
20M
20.00 mi14:54:193:30:5210:3315:05
11:06
#25143
21M
21.00 mi15:06:503:43:2310:3812:31
12:31
#25118
35K
21.75 mi15:14:453:51:1810:387:55
10:35
#25078
23M
23.00 mi15:28:234:04:5610:3913:38
10:53
#24982
24M
24.00 mi15:39:254:15:5810:4011:02
11:02
#24946
40K
24.85 mi15:48:444:25:1710:409:19
10:54
#24883
25.2M
25.20 mi15:52:364:29:0910:413:52
11:13
#24847
Finish
26.22 mi16:02:584:39:3110:4010:22
10:10
#24811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26763111931119325092(Top 88%)10270(Top 84%)10270(Top 188%)
10K6.21 mi3.10 mi26308+45510934+25910934+25925928(Top 91%)10748(Top 88%)10748(Top 197%)
15K9.32 mi3.11 mi25897+41110719+21510719+21525092(Top 88%)10270(Top 84%)10270(Top 188%)
20K12.43 mi3.11 mi25535+36210526+19310526+19324573(Top 87%)10032(Top 82%)10032(Top 183%)
Half13.11 mi0.68 mi25505+3010516+1010516+1024735(Top 87%)10132(Top 83%)10132(Top 185%)
25K15.53 mi2.42 mi2550510523-710523-725495(Top 90%)10564(Top 86%)10564(Top 193%)
30K18.64 mi3.11 mi25241+26410411+11210411+11224043(Top 85%)9883(Top 81%)9883(Top 181%)
20M20.00 mi1.36 mi25143+9810371+4010371+4023789(Top 84%)9843(Top 80%)9843(Top 180%)
21M21.00 mi1.00 mi25118+2510370+110370+124414(Top 86%)10246(Top 84%)10246(Top 187%)
35K21.75 mi0.75 mi25078+4010363+710363+723314(Top 82%)9717(Top 79%)9717(Top 178%)
23M23.00 mi1.25 mi24982+9610320+4310320+4322951(Top 81%)9579(Top 78%)9579(Top 175%)
24M24.00 mi1.00 mi24946+3610315+510315+524033(Top 85%)10133(Top 83%)10133(Top 185%)
40K24.85 mi0.85 mi24883+6310294+2110294+2122873(Top 81%)9640(Top 79%)9640(Top 176%)
25.2M25.20 mi0.35 mi24847+3610276+1810276+1821192(Top 75%)8775(Top 72%)8775(Top 160%)
Finish26.22 mi1.02 mi24811+3610269+710269+723427(Top 82%)9894(Top 81%)9894(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25092

Females

10270

F18-39

10270

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25928

Females

10748

F18-39

10748

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25092

Females

10270

F18-39

10270

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24573

Females

10032

F18-39

10032

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24735

Females

10132

F18-39

10132

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25495

Females

10564

F18-39

10564

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24043

Females

9883

F18-39

9883

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23789

Females

9843

F18-39

9843

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24414

Females

10246

F18-39

10246

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23314

Females

9717

F18-39

9717

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22951

Females

9579

F18-39

9579

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24033

Females

10133

F18-39

10133

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22873

Females

9640

F18-39

9640

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21192

Females

8775

F18-39

8775

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23427

Females

9894

F18-39

9894

Passing Analysis

Category:
Athletes Passed
2248
Passed By
296
Net Change
+1952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26763
5K → 10K48833+455#26763#26308
10K → 15K4209+411#26308#25897
15K → 20K3664+362#25897#25535
20K → Half388+30#25535#25505
Half → 25K99990#25505#25505
25K → 30K29430+264#25505#25241
30K → 20M11214+98#25241#25143
20M → 21M6237+25#25143#25118
21M → 35K5111+40#25118#25078
35K → 23M1004+96#25078#24982
23M → 24M5317+36#24982#24946
24M → 40K696+63#24946#24883
40K → 25.2M382+36#24883#24847
25.2M → Finish5822+36#24847#24811
TOTALS2248296+1952
📊

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