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BOSTON MARATHON 2025

Mary Mckenna

Bib: 29638•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
32:15
Rank: #26476
Start → 5K
32:15 | 10:23/mi
10K· 6.21 mi
1:05:46
Rank: #26655 (-179)
5K → 10K
33:31 | 10:47/mi
15K· 9.32 mi
1:39:21
Rank: #26561 (+94)
10K → 15K
33:35 | 10:49/mi
20K· 12.43 mi
2:13:44
Rank: #26425 (+136)
15K → 20K
34:23 | 11:04/mi
Half· 13.11 mi
2:21:18
Rank: #26440 (-15)
20K → Half
7:34 | 11:05/mi
25K· 15.53 mi
2:49:25
Rank: #26354 (+86)
Half → 25K
28:07 | 11:36/mi
30K· 18.64 mi
3:26:59
Rank: #26234 (+120)
25K → 30K
37:34 | 12:05/mi
20M
3:43:13
Rank: #26164 (+70)
30K → 20M
16:14 | 11:57/mi
21M
3:55:47
Rank: #26083 (+81)
20M → 21M
12:34 | 12:34/mi
35K· 21.75 mi
4:04:40
Rank: #26072 (+11)
21M → 35K
8:53 | 11:52/mi
23M
4:19:40
Rank: #26038 (+34)
35K → 23M
15:00 | 11:59/mi
24M
4:31:35
Rank: #26031 (+7)
23M → 24M
11:55 | 11:55/mi
40K· 24.85 mi
4:41:52
Rank: #26006 (+25)
24M → 40K
10:17 | 12:02/mi
25.2M
4:46:17
Rank: #26003 (+3)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:57:15
Rank: #25989 (+14)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:18
Pace10:47 /mi
2nd Half
Distance13.11 mi
Time2:35:57
Pace11:54 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0432:1510:2332:15
10:23
-
10K
6.21 mi12:31:351:05:4610:3533:31
10:47
+0:24
15K
9.32 mi13:05:101:39:2110:4033:35
10:49
+0:02
20K
12.43 mi13:39:332:13:4410:4634:23
11:04
+0:15
Half
13.11 mi13:47:072:21:1810:477:34
11:05
+0:01
25K
15.53 mi14:15:142:49:2510:5428:07
11:36
+0:31
30K
18.64 mi14:52:483:26:5911:0637:34
12:05
+0:29
20M
20.00 mi15:09:023:43:1311:1016:14
11:57
-0:08
21M
21.00 mi15:21:363:55:4711:1412:34
12:34
+0:37
35K
21.75 mi15:30:294:04:4011:158:53
11:52
-0:42
23M
23.00 mi15:45:294:19:4011:1715:00
11:59
+0:07
24M
24.00 mi15:57:244:31:3511:1911:55
11:55
-0:04
40K
24.85 mi16:07:414:41:5211:2010:17
12:02
+0:07
25.2M
25.20 mi16:12:064:46:1711:224:25
12:48
+0:46
Finish
26.22 mi16:23:044:57:1511:2110:58
10:46
-2:02

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

10:23 /mi

Average Pace

11:21 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:16

51% of race

Time at Steady Pace

2:08:00

43% of race

Time at Slower Pace

16:59

6% of race

Average Pace: 11:20 /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 mi11:58:0432:1510:2332:15
10:23
#26476
10K
6.21 mi12:31:351:05:4610:3533:31
10:47
#26655
15K
9.32 mi13:05:101:39:2110:4033:35
10:49
#26561
20K
12.43 mi13:39:332:13:4410:4634:23
11:04
#26425
Half
13.11 mi13:47:072:21:1810:477:34
11:05
#26440
25K
15.53 mi14:15:142:49:2510:5428:07
11:36
#26354
30K
18.64 mi14:52:483:26:5911:0637:34
12:05
#26234
20M
20.00 mi15:09:023:43:1311:1016:14
11:57
#26164
21M
21.00 mi15:21:363:55:4711:1412:34
12:34
#26083
35K
21.75 mi15:30:294:04:4011:158:53
11:52
#26072
23M
23.00 mi15:45:294:19:4011:1715:00
11:59
#26038
24M
24.00 mi15:57:244:31:3511:1911:55
11:55
#26031
40K
24.85 mi16:07:414:41:5211:2010:17
12:02
#26006
25.2M
25.20 mi16:12:064:46:1711:224:25
12:48
#26003
Finish
26.22 mi16:23:044:57:1511:2110:58
10:46
#25989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26476110201102026421(Top 93%)11016(Top 90%)11016(Top 201%)
10K6.21 mi3.10 mi26655-17911136-11611136-11626761(Top 94%)11210(Top 92%)11210(Top 205%)
15K9.32 mi3.11 mi26561+9411092+4411092+4426421(Top 93%)11016(Top 90%)11016(Top 201%)
20K12.43 mi3.11 mi26425+13611028+6411028+6426102(Top 92%)10865(Top 89%)10865(Top 199%)
Half13.11 mi0.68 mi26440-1511030-211030-226609(Top 94%)11180(Top 91%)11180(Top 204%)
25K15.53 mi2.42 mi26354+8610983+4710983+4725967(Top 91%)10847(Top 89%)10847(Top 198%)
30K18.64 mi3.11 mi26234+12010953+3010953+3025708(Top 91%)10790(Top 88%)10790(Top 197%)
20M20.00 mi1.36 mi26164+7010926+2710926+2725173(Top 89%)10575(Top 86%)10575(Top 193%)
21M21.00 mi1.00 mi26083+8110897+2910897+2924470(Top 86%)10280(Top 84%)10280(Top 188%)
35K21.75 mi0.75 mi26072+1110899-210899-225661(Top 90%)10931(Top 89%)10931(Top 200%)
23M23.00 mi1.25 mi26038+3410881+1810881+1825080(Top 88%)10646(Top 87%)10646(Top 195%)
24M24.00 mi1.00 mi26031+710887-610887-625556(Top 90%)10907(Top 89%)10907(Top 199%)
40K24.85 mi0.85 mi26006+2510877+1010877+1024952(Top 88%)10651(Top 87%)10651(Top 195%)
25.2M25.20 mi0.35 mi26003+310880-310880-324715(Top 87%)10533(Top 86%)10533(Top 193%)
Finish26.22 mi1.02 mi25989+1410887-710887-724850(Top 87%)10591(Top 87%)10591(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26421

Females

11016

F18-39

11016

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26761

Females

11210

F18-39

11210

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26421

Females

11016

F18-39

11016

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26102

Females

10865

F18-39

10865

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26609

Females

11180

F18-39

11180

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25967

Females

10847

F18-39

10847

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25708

Females

10790

F18-39

10790

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25173

Females

10575

F18-39

10575

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24470

Females

10280

F18-39

10280

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25661

Females

10931

F18-39

10931

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

25080

Females

10646

F18-39

10646

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25556

Females

10907

F18-39

10907

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24952

Females

10651

F18-39

10651

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24715

Females

10533

F18-39

10533

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24850

Females

10591

F18-39

10591

Passing Analysis

Category:
Athletes Passed
1139
Passed By
652
Net Change
+487
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26476
5K → 10K101280-179#26476#26655
10K → 15K16571+94#26655#26561
15K → 20K18246+136#26561#26425
20K → Half1328-15#26425#26440
Half → 25K13246+86#26440#26354
25K → 30K16444+120#26354#26234
30K → 20M8414+70#26234#26164
20M → 21M9312+81#26164#26083
21M → 35K3625+11#26083#26072
35K → 23M5925+34#26072#26038
23M → 24M3225+7#26038#26031
24M → 40K3510+25#26031#26006
40K → 25.2M129+3#26006#26003
25.2M → Finish3117+14#26003#25989
TOTALS1139652+487
📊

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