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BOSTON MARATHON 2025

Jessica Zall

Bib: 23544•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:48
Rank: #22203
Start → 5K
27:48 | 8:57/mi
10K· 6.21 mi
56:10
Rank: #22578 (-375)
5K → 10K
28:22 | 9:08/mi
15K· 9.32 mi
1:26:15
Rank: #23284 (-706)
10K → 15K
30:05 | 9:41/mi
20K· 12.43 mi
1:54:58
Rank: #22989 (+295)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
2:01:10
Rank: #22937 (+52)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:23:40
Rank: #22605 (+332)
Half → 25K
22:30 | 9:17/mi
30K· 18.64 mi
2:53:05
Rank: #22110 (+495)
25K → 30K
29:25 | 9:28/mi
20M
3:06:03
Rank: #21883 (+227)
30K → 20M
12:58 | 9:33/mi
21M
3:16:00
Rank: #21660 (+223)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:22:57
Rank: #21589 (+71)
21M → 35K
6:57 | 9:17/mi
23M
3:34:40
Rank: #21363 (+226)
35K → 23M
11:43 | 9:21/mi
24M
3:43:55
Rank: #21243 (+120)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:51:49
Rank: #21110 (+133)
24M → 40K
7:54 | 9:14/mi
25.2M
3:55:09
Rank: #21024 (+86)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
4:03:53
Rank: #20868 (+156)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:10
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:02:43
Pace9:22 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:2427:488:5727:48
8:57
-
10K
6.21 mi11:54:4656:109:0228:22
9:08
+0:11
15K
9.32 mi12:24:511:26:159:1530:05
9:41
+0:33
20K
12.43 mi12:53:341:54:589:1528:43
9:15
-0:26
Half
13.11 mi12:59:462:01:109:156:12
9:05
-0:10
25K
15.53 mi13:22:162:23:409:1522:30
9:17
+0:12
30K
18.64 mi13:51:412:53:059:1729:25
9:28
+0:11
20M
20.00 mi14:04:393:06:039:1812:58
9:33
+0:05
21M
21.00 mi14:14:363:16:009:209:57
9:57
+0:24
35K
21.75 mi14:21:333:22:579:206:57
9:17
-0:40
23M
23.00 mi14:33:163:34:409:2011:43
9:21
+0:04
24M
24.00 mi14:42:313:43:559:209:15
9:15
-0:06
40K
24.85 mi14:50:253:51:499:207:54
9:14
-0:01
25.2M
25.20 mi14:53:453:55:099:203:20
9:40
+0:26
Finish
26.22 mi15:02:294:03:539:198:44
8:34
-1:06

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

8:34 /mi

Average Pace

9:19 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:08

65% of race

Time at Steady Pace

1:25:45

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:26:2427:488:5727:48
8:57
#22203
10K
6.21 mi11:54:4656:109:0228:22
9:08
#22578
15K
9.32 mi12:24:511:26:159:1530:05
9:41
#23284
20K
12.43 mi12:53:341:54:589:1528:43
9:15
#22989
Half
13.11 mi12:59:462:01:109:156:12
9:05
#22937
25K
15.53 mi13:22:162:23:409:1522:30
9:17
#22605
30K
18.64 mi13:51:412:53:059:1729:25
9:28
#22110
20M
20.00 mi14:04:393:06:039:1812:58
9:33
#21883
21M
21.00 mi14:14:363:16:009:209:57
9:57
#21660
35K
21.75 mi14:21:333:22:579:206:57
9:17
#21589
23M
23.00 mi14:33:163:34:409:2011:43
9:21
#21363
24M
24.00 mi14:42:313:43:559:209:15
9:15
#21243
40K
24.85 mi14:50:253:51:499:207:54
9:14
#21110
25.2M
25.20 mi14:53:453:55:099:203:20
9:40
#21024
Finish
26.22 mi15:02:294:03:539:198:44
8:34
#20868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi222038740874024232(Top 85%)9800(Top 80%)9800(Top 752%)
10K6.21 mi3.10 mi22578-3758927-1878927-18722929(Top 81%)9089(Top 74%)9089(Top 698%)
15K9.32 mi3.11 mi23284-7069282-3559282-35524232(Top 85%)9800(Top 80%)9800(Top 752%)
20K12.43 mi3.11 mi22989+2959122+1609122+16022056(Top 78%)8616(Top 70%)8616(Top 661%)
Half13.11 mi0.68 mi22937+529092+309092+3022187(Top 78%)8704(Top 71%)8704(Top 668%)
25K15.53 mi2.42 mi22605+3328927+1658927+16521104(Top 74%)8153(Top 67%)8153(Top 626%)
30K18.64 mi3.11 mi22110+4958683+2448683+24419826(Top 70%)7564(Top 62%)7564(Top 581%)
20M20.00 mi1.36 mi21883+2278569+1148569+11419379(Top 68%)7469(Top 61%)7469(Top 573%)
21M21.00 mi1.00 mi21660+2238478+918478+9118137(Top 64%)6874(Top 56%)6874(Top 528%)
35K21.75 mi0.75 mi21589+718450+288450+2819561(Top 69%)7753(Top 63%)7753(Top 595%)
23M23.00 mi1.25 mi21363+2268356+948356+9418079(Top 64%)7028(Top 57%)7028(Top 539%)
24M24.00 mi1.00 mi21243+1208314+428314+4218617(Top 66%)7358(Top 60%)7358(Top 565%)
40K24.85 mi0.85 mi21110+1338263+518263+5117592(Top 62%)6925(Top 57%)6925(Top 531%)
25.2M25.20 mi0.35 mi21024+868225+388225+3815559(Top 55%)5883(Top 48%)5883(Top 451%)
Finish26.22 mi1.02 mi20868+1568153+728153+7216717(Top 59%)6422(Top 53%)6422(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24232

Females

9800

F50-54

9800

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

22929

Females

9089

F50-54

9089

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24232

Females

9800

F50-54

9800

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22056

Females

8616

F50-54

8616

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22187

Females

8704

F50-54

8704

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21104

Females

8153

F50-54

8153

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19826

Females

7564

F50-54

7564

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19379

Females

7469

F50-54

7469

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18137

Females

6874

F50-54

6874

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19561

Females

7753

F50-54

7753

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18079

Females

7028

F50-54

7028

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18617

Females

7358

F50-54

7358

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17592

Females

6925

F50-54

6925

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15559

Females

5883

F50-54

5883

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16717

Females

6422

F50-54

6422

Passing Analysis

Category:
Athletes Passed
2686
Passed By
1351
Net Change
+1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22203
5K → 10K118493-375#22203#22578
10K → 15K42748-706#22578#23284
15K → 20K32934+295#23284#22989
20K → Half619+52#22989#22937
Half → 25K34412+332#22937#22605
25K → 30K51015+495#22605#22110
30K → 20M2325+227#22110#21883
20M → 21M2318+223#21883#21660
21M → 35K798+71#21660#21589
35K → 23M2348+226#21589#21363
23M → 24M1277+120#21363#21243
24M → 40K1374+133#21243#21110
40K → 25.2M860+86#21110#21024
25.2M → Finish1560+156#21024#20868
TOTALS26861351+1335
📊

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