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BOSTON MARATHON 2025

Halley Morochnik

Bib: 16634•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:41
Rank: #22051
Start → 5K
27:41 | 8:55/mi
10K· 6.21 mi
56:03
Rank: #22512 (-461)
5K → 10K
28:22 | 9:08/mi
15K· 9.32 mi
1:24:44
Rank: #22662 (-150)
10K → 15K
28:41 | 9:14/mi
20K· 12.43 mi
1:54:33
Rank: #22858 (-196)
15K → 20K
29:49 | 9:36/mi
Half· 13.11 mi
2:00:51
Rank: #22855 (+3)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:24:51
Rank: #22873 (-18)
Half → 25K
24:00 | 9:54/mi
30K· 18.64 mi
2:56:30
Rank: #22722 (+151)
25K → 30K
31:39 | 10:11/mi
20M
3:10:49
Rank: #22685 (+37)
30K → 20M
14:19 | 10:32/mi
21M
3:22:43
Rank: #22733 (-48)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
3:30:08
Rank: #22671 (+62)
21M → 35K
7:25 | 9:55/mi
23M
3:43:47
Rank: #22686 (-15)
35K → 23M
13:39 | 10:54/mi
24M
3:53:33
Rank: #22577 (+109)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
4:01:59
Rank: #22480 (+97)
24M → 40K
8:26 | 9:52/mi
25.2M
4:05:57
Rank: #22477 (+3)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:15:57
Rank: #22471 (+6)
25.2M → Finish
10:00 | 9:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:51
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:15:06
Pace10:18 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:5027:418:5527:41
8:55
-
10K
6.21 mi11:29:1256:039:0128:22
9:08
+0:13
15K
9.32 mi11:57:531:24:449:0528:41
9:14
+0:06
20K
12.43 mi12:27:421:54:339:1329:49
9:36
+0:22
Half
13.11 mi12:34:002:00:519:136:18
9:14
-0:22
25K
15.53 mi12:58:002:24:519:1924:00
9:54
+0:40
30K
18.64 mi13:29:392:56:309:2831:39
10:11
+0:17
20M
20.00 mi13:43:583:10:499:3214:19
10:32
+0:21
21M
21.00 mi13:55:523:22:439:3911:54
11:54
+1:22
35K
21.75 mi14:03:173:30:089:407:25
9:55
-1:59
23M
23.00 mi14:16:563:43:479:4413:39
10:54
+0:59
24M
24.00 mi14:26:423:53:339:449:46
9:46
-1:08
40K
24.85 mi14:35:084:01:599:448:26
9:52
+0:06
25.2M
25.20 mi14:39:064:05:579:463:58
11:30
+1:38
Finish
26.22 mi14:49:064:15:579:4610:00
9:49
-1:41

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

8:55 /mi

Average Pace

9:46 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:02

36% of race

Time at Steady Pace

2:01:05

47% of race

Time at Slower Pace

43:50

17% of race

Average Pace: 9:46 /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 mi11:00:5027:418:5527:41
8:55
#22051
10K
6.21 mi11:29:1256:039:0128:22
9:08
#22512
15K
9.32 mi11:57:531:24:449:0528:41
9:14
#22662
20K
12.43 mi12:27:421:54:339:1329:49
9:36
#22858
Half
13.11 mi12:34:002:00:519:136:18
9:14
#22855
25K
15.53 mi12:58:002:24:519:1924:00
9:54
#22873
30K
18.64 mi13:29:392:56:309:2831:39
10:11
#22722
20M
20.00 mi13:43:583:10:499:3214:19
10:32
#22685
21M
21.00 mi13:55:523:22:439:3911:54
11:54
#22733
35K
21.75 mi14:03:173:30:089:407:25
9:55
#22671
23M
23.00 mi14:16:563:43:479:4413:39
10:54
#22686
24M
24.00 mi14:26:423:53:339:449:46
9:46
#22577
40K
24.85 mi14:35:084:01:599:448:26
9:52
#22480
25.2M
25.20 mi14:39:064:05:579:463:58
11:30
#22477
Finish
26.22 mi14:49:064:15:579:4610:00
9:49
#22471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi220518657865722980(Top 81%)9094(Top 74%)9094(Top 915%)
10K6.21 mi3.10 mi22512-4618900-2438900-24322932(Top 81%)9092(Top 74%)9092(Top 915%)
15K9.32 mi3.11 mi22662-1508944-448944-4422980(Top 81%)9094(Top 74%)9094(Top 915%)
20K12.43 mi3.11 mi22858-1969043-999043-9923195(Top 82%)9240(Top 76%)9240(Top 930%)
Half13.11 mi0.68 mi22855+39042+19042+122766(Top 80%)9020(Top 74%)9020(Top 907%)
25K15.53 mi2.42 mi22873-189076-349076-3423005(Top 81%)9194(Top 75%)9194(Top 925%)
30K18.64 mi3.11 mi22722+1519027+499027+4922164(Top 78%)8857(Top 72%)8857(Top 891%)
20M20.00 mi1.36 mi22685+379036-99036-922542(Top 79%)9180(Top 75%)9180(Top 924%)
21M21.00 mi1.00 mi22733-489078-429078-4223416(Top 82%)9723(Top 80%)9723(Top 978%)
35K21.75 mi0.75 mi22671+629057+219057+2121681(Top 76%)8868(Top 73%)8868(Top 892%)
23M23.00 mi1.25 mi22686-159094-379094-3723011(Top 81%)9608(Top 79%)9608(Top 967%)
24M24.00 mi1.00 mi22577+1099062+329062+3220642(Top 73%)8423(Top 69%)8423(Top 847%)
40K24.85 mi0.85 mi22480+979021+419021+4120029(Top 71%)8183(Top 67%)8183(Top 823%)
25.2M25.20 mi0.35 mi22477+39028-79028-722085(Top 78%)9195(Top 75%)9195(Top 925%)
Finish26.22 mi1.02 mi22471+69044-169044-1622338(Top 79%)9343(Top 76%)9343(Top 940%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22980

Females

9094

F55-59

9094

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

22932

Females

9092

F55-59

9092

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22980

Females

9094

F55-59

9094

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23195

Females

9240

F55-59

9240

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22766

Females

9020

F55-59

9020

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

23005

Females

9194

F55-59

9194

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22164

Females

8857

F55-59

8857

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22542

Females

9180

F55-59

9180

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23416

Females

9723

F55-59

9723

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21681

Females

8868

F55-59

8868

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23011

Females

9608

F55-59

9608

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20642

Females

8423

F55-59

8423

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20029

Females

8183

F55-59

8183

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22085

Females

9195

F55-59

9195

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22338

Females

9343

F55-59

9343

Passing Analysis

Category:
Athletes Passed
1337
Passed By
1757
Net Change
-420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22051
5K → 10K99560-461#22051#22512
10K → 15K133283-150#22512#22662
15K → 20K126322-196#22662#22858
20K → Half2623+3#22858#22855
Half → 25K136154-18#22855#22873
25K → 30K23180+151#22873#22722
30K → 20M9154+37#22722#22685
20M → 21M54102-48#22685#22733
21M → 35K8523+62#22733#22671
35K → 23M6883-15#22671#22686
23M → 24M12112+109#22686#22577
24M → 40K1025+97#22577#22480
40K → 25.2M1916+3#22480#22477
25.2M → Finish4640+6#22477#22471
TOTALS13371757-420
📊

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