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BOSTON MARATHON 2025

Leah Zullig

Bib: 19763•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:23
Rank: #19839
Start → 5K
26:23 | 8:30/mi
10K· 6.21 mi
52:46
Rank: #19791 (+48)
5K → 10K
26:23 | 8:30/mi
15K· 9.32 mi
1:19:06
Rank: #19578 (+213)
10K → 15K
26:20 | 8:29/mi
20K· 12.43 mi
1:45:24
Rank: #19161 (+417)
15K → 20K
26:18 | 8:28/mi
Half· 13.11 mi
1:51:14
Rank: #19163 (-2)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:12:00
Rank: #18885 (+278)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:40:01
Rank: #18665 (+220)
25K → 30K
28:01 | 9:01/mi
20M
2:52:35
Rank: #18594 (+71)
30K → 20M
12:34 | 9:15/mi
21M
3:02:10
Rank: #18450 (+144)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:09:06
Rank: #18516 (-66)
21M → 35K
6:56 | 9:16/mi
23M
3:20:55
Rank: #18492 (+24)
35K → 23M
11:49 | 9:26/mi
24M
3:30:18
Rank: #18542 (-50)
23M → 24M
9:23 | 9:23/mi
40K· 24.85 mi
3:38:16
Rank: #18494 (+48)
24M → 40K
7:58 | 9:19/mi
25.2M
3:41:41
Rank: #18462 (+32)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:50:36
Rank: #18452 (+10)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:14
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:59:22
Pace9:06 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3826:238:3026:23
8:30
-
10K
6.21 mi11:50:0152:468:3026:23
8:30
0:00
15K
9.32 mi12:16:211:19:068:2926:20
8:29
-0:01
20K
12.43 mi12:42:391:45:248:2926:18
8:28
-0:01
Half
13.11 mi12:48:291:51:148:295:50
8:33
+0:05
25K
15.53 mi13:09:152:12:008:3020:46
8:34
+0:01
30K
18.64 mi13:37:162:40:018:3528:01
9:01
+0:27
20M
20.00 mi13:49:502:52:358:3812:34
9:15
+0:14
21M
21.00 mi13:59:253:02:108:409:35
9:35
+0:20
35K
21.75 mi14:06:213:09:068:426:56
9:16
-0:19
23M
23.00 mi14:18:103:20:558:4411:49
9:26
+0:10
24M
24.00 mi14:27:333:30:188:469:23
9:23
-0:03
40K
24.85 mi14:35:313:38:168:477:58
9:19
-0:04
25.2M
25.20 mi14:38:563:41:418:483:25
9:54
+0:35
Finish
26.22 mi14:47:513:50:368:488:55
8:45
-1:09

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

8:28 /mi

Average Pace

8:48 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:26

82% of race

Time at Steady Pace

42:10

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:23:3826:238:3026:23
8:30
#19839
10K
6.21 mi11:50:0152:468:3026:23
8:30
#19791
15K
9.32 mi12:16:211:19:068:2926:20
8:29
#19578
20K
12.43 mi12:42:391:45:248:2926:18
8:28
#19161
Half
13.11 mi12:48:291:51:148:295:50
8:33
#19163
25K
15.53 mi13:09:152:12:008:3020:46
8:34
#18885
30K
18.64 mi13:37:162:40:018:3528:01
9:01
#18665
20M
20.00 mi13:49:502:52:358:3812:34
9:15
#18594
21M
21.00 mi13:59:253:02:108:409:35
9:35
#18450
35K
21.75 mi14:06:213:09:068:426:56
9:16
#18516
23M
23.00 mi14:18:103:20:558:4411:49
9:26
#18492
24M
24.00 mi14:27:333:30:188:469:23
9:23
#18542
40K
24.85 mi14:35:313:38:168:477:58
9:19
#18494
25.2M
25.20 mi14:38:563:41:418:483:25
9:54
#18462
Finish
26.22 mi14:47:513:50:368:488:55
8:45
#18452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi198397414741419193(Top 68%)7000(Top 57%)7000(Top 407%)
10K6.21 mi3.10 mi19791+487349+657349+6519752(Top 70%)7332(Top 60%)7332(Top 427%)
15K9.32 mi3.11 mi19578+2137220+1297220+12919193(Top 68%)7000(Top 57%)7000(Top 407%)
20K12.43 mi3.11 mi19161+4176994+2266994+22618004(Top 63%)6344(Top 52%)6344(Top 369%)
Half13.11 mi0.68 mi19163-27000-67000-619550(Top 69%)7206(Top 59%)7206(Top 419%)
25K15.53 mi2.42 mi18885+2786852+1486852+14817598(Top 62%)6193(Top 51%)6193(Top 360%)
30K18.64 mi3.11 mi18665+2206754+986754+9817789(Top 63%)6468(Top 53%)6468(Top 376%)
20M20.00 mi1.36 mi18594+716739+156739+1518047(Top 64%)6742(Top 55%)6742(Top 392%)
21M21.00 mi1.00 mi18450+1446696+436696+4316491(Top 58%)5979(Top 49%)5979(Top 348%)
35K21.75 mi0.75 mi18516-666745-496745-4919458(Top 69%)7690(Top 63%)7690(Top 448%)
23M23.00 mi1.25 mi18492+246760-156760-1518421(Top 65%)7195(Top 59%)7195(Top 419%)
24M24.00 mi1.00 mi18542-506819-596819-5919172(Top 67%)7633(Top 62%)7633(Top 444%)
40K24.85 mi0.85 mi18494+486819681917952(Top 63%)7106(Top 58%)7106(Top 414%)
25.2M25.20 mi0.35 mi18462+326809+106809+1016657(Top 59%)6425(Top 53%)6425(Top 374%)
Finish26.22 mi1.02 mi18452+106830-216830-2117803(Top 63%)6986(Top 57%)6986(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19193

Females

7000

F40-44

7000

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19752

Females

7332

F40-44

7332

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19193

Females

7000

F40-44

7000

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

18004

Females

6344

F40-44

6344

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19550

Females

7206

F40-44

7206

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17598

Females

6193

F40-44

6193

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17789

Females

6468

F40-44

6468

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18047

Females

6742

F40-44

6742

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16491

Females

5979

F40-44

5979

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19458

Females

7690

F40-44

7690

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18421

Females

7195

F40-44

7195

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19172

Females

7633

F40-44

7633

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17952

Females

7106

F40-44

7106

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16657

Females

6425

F40-44

6425

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17803

Females

6986

F40-44

6986

Passing Analysis

Category:
Athletes Passed
2480
Passed By
1093
Net Change
+1387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19839
5K → 10K300252+48#19839#19791
10K → 15K30491+213#19791#19578
15K → 20K44427+417#19578#19161
20K → Half3739-2#19161#19163
Half → 25K30729+278#19163#18885
25K → 30K351131+220#18885#18665
30K → 20M13766+71#18665#18594
20M → 21M17834+144#18594#18450
21M → 35K35101-66#18450#18516
35K → 23M11692+24#18516#18492
23M → 24M59109-50#18492#18542
24M → 40K9446+48#18542#18494
40K → 25.2M4816+32#18494#18462
25.2M → Finish7060+10#18462#18452
TOTALS24801093+1387
📊

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