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BOSTON MARATHON 2025

Casey Mcnamara

Bib: 30338•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
31:54
Rank: #26238
Start → 5K
31:54 | 10:16/mi
10K· 6.21 mi
1:02:39
Rank: #25620 (+618)
5K → 10K
30:45 | 9:54/mi
15K· 9.32 mi
1:30:33
Rank: #24616 (+1004)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:58:54
Rank: #23919 (+697)
15K → 20K
28:21 | 9:07/mi
Half· 13.11 mi
2:05:00
Rank: #23832 (+87)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:28:21
Rank: #23558 (+274)
Half → 25K
23:21 | 9:38/mi
30K· 18.64 mi
2:58:53
Rank: #23080 (+478)
25K → 30K
30:32 | 9:50/mi
20M
3:12:44
Rank: #22957 (+123)
30K → 20M
13:51 | 10:12/mi
21M
3:23:01
Rank: #22777 (+180)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:30:08
Rank: #22669 (+108)
21M → 35K
7:07 | 9:31/mi
23M
3:42:58
Rank: #22581 (+88)
35K → 23M
12:50 | 10:15/mi
24M
3:52:42
Rank: #22469 (+112)
23M → 24M
9:44 | 9:44/mi
40K· 24.85 mi
4:01:10
Rank: #22377 (+92)
24M → 40K
8:28 | 9:54/mi
25.2M
4:04:42
Rank: #22326 (+51)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
4:13:59
Rank: #22226 (+100)
25.2M → Finish
9:17 | 9:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:00
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:08:59
Pace9:50 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2231:5410:1631:54
10:16
-
10K
6.21 mi12:22:071:02:3910:0530:45
9:54
-0:22
15K
9.32 mi12:50:011:30:339:4327:54
8:59
-0:55
20K
12.43 mi13:18:221:58:549:3428:21
9:07
+0:08
Half
13.11 mi13:24:282:05:009:326:06
8:56
-0:11
25K
15.53 mi13:47:492:28:219:3323:21
9:38
+0:42
30K
18.64 mi14:18:212:58:539:3630:32
9:50
+0:12
20M
20.00 mi14:32:123:12:449:3813:51
10:12
+0:22
21M
21.00 mi14:42:293:23:019:4010:17
10:17
+0:05
35K
21.75 mi14:49:363:30:089:407:07
9:31
-0:46
23M
23.00 mi15:02:263:42:589:4212:50
10:15
+0:44
24M
24.00 mi15:12:103:52:429:429:44
9:44
-0:31
40K
24.85 mi15:20:384:01:109:428:28
9:54
+0:10
25.2M
25.20 mi15:24:104:04:429:433:32
10:15
+0:21
Finish
26.22 mi15:33:274:13:599:429:17
9:07
-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

8:56 /mi

Average Pace

9:42 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:50

44% of race

Time at Steady Pace

2:22:09

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:41 /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 mi11:51:2231:5410:1631:54
10:16
#26238
10K
6.21 mi12:22:071:02:3910:0530:45
9:54
#25620
15K
9.32 mi12:50:011:30:339:4327:54
8:59
#24616
20K
12.43 mi13:18:221:58:549:3428:21
9:07
#23919
Half
13.11 mi13:24:282:05:009:326:06
8:56
#23832
25K
15.53 mi13:47:492:28:219:3323:21
9:38
#23558
30K
18.64 mi14:18:212:58:539:3630:32
9:50
#23080
20M
20.00 mi14:32:123:12:449:3813:51
10:12
#22957
21M
21.00 mi14:42:293:23:019:4010:17
10:17
#22777
35K
21.75 mi14:49:363:30:089:407:07
9:31
#22669
23M
23.00 mi15:02:263:42:589:4212:50
10:15
#22581
24M
24.00 mi15:12:103:52:429:429:44
9:44
#22469
40K
24.85 mi15:20:384:01:109:428:28
9:54
#22377
25.2M
25.20 mi15:24:104:04:429:433:32
10:15
#22326
Finish
26.22 mi15:33:274:13:599:429:17
9:07
#22226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26238108901089021960(Top 77%)8527(Top 70%)8527(Top 156%)
10K6.21 mi3.10 mi25620+61810566+32410566+32425089(Top 88%)10282(Top 84%)10282(Top 188%)
15K9.32 mi3.11 mi24616+100410022+54410022+54421960(Top 77%)8527(Top 70%)8527(Top 156%)
20K12.43 mi3.11 mi23919+6979648+3749648+37421585(Top 76%)8365(Top 68%)8365(Top 153%)
Half13.11 mi0.68 mi23832+879601+479601+4721622(Top 76%)8391(Top 69%)8391(Top 153%)
25K15.53 mi2.42 mi23558+2749456+1459456+14522297(Top 78%)8813(Top 72%)8813(Top 161%)
30K18.64 mi3.11 mi23080+4789230+2269230+22621087(Top 74%)8279(Top 68%)8279(Top 151%)
20M20.00 mi1.36 mi22957+1239187+439187+4321558(Top 76%)8663(Top 71%)8663(Top 158%)
21M21.00 mi1.00 mi22777+1809102+859102+8519342(Top 68%)7529(Top 62%)7529(Top 138%)
35K21.75 mi0.75 mi22669+1089055+479055+4720404(Top 72%)8195(Top 67%)8195(Top 150%)
23M23.00 mi1.25 mi22581+889034+219034+2121282(Top 75%)8695(Top 71%)8695(Top 159%)
24M24.00 mi1.00 mi22469+1128992+428992+4220518(Top 72%)8358(Top 68%)8358(Top 153%)
40K24.85 mi0.85 mi22377+928968+248968+2420151(Top 71%)8239(Top 67%)8239(Top 151%)
25.2M25.20 mi0.35 mi22326+518941+278941+2718179(Top 64%)7254(Top 59%)7254(Top 133%)
Finish26.22 mi1.02 mi22226+1008910+318910+3119580(Top 69%)7917(Top 65%)7917(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21960

Females

8527

F18-39

8527

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25089

Females

10282

F18-39

10282

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21960

Females

8527

F18-39

8527

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21585

Females

8365

F18-39

8365

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21622

Females

8391

F18-39

8391

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22297

Females

8813

F18-39

8813

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

21087

Females

8279

F18-39

8279

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21558

Females

8663

F18-39

8663

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19342

Females

7529

F18-39

7529

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20404

Females

8195

F18-39

8195

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21282

Females

8695

F18-39

8695

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

20518

Females

8358

F18-39

8358

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20151

Females

8239

F18-39

8239

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18179

Females

7254

F18-39

7254

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19580

Females

7917

F18-39

7917

Passing Analysis

Category:
Athletes Passed
4134
Passed By
122
Net Change
+4012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26238
5K → 10K63214+618#26238#25620
10K → 15K10040+1004#25620#24616
15K → 20K6970+697#24616#23919
20K → Half881+87#23919#23832
Half → 25K28713+274#23832#23558
25K → 30K49214+478#23558#23080
30K → 20M14421+123#23080#22957
20M → 21M1844+180#22957#22777
21M → 35K1124+108#22777#22669
35K → 23M12133+88#22669#22581
23M → 24M1164+112#22581#22469
24M → 40K997+92#22469#22377
40K → 25.2M510+51#22377#22326
25.2M → Finish1077+100#22326#22226
TOTALS4134122+4012
📊

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