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BOSTON MARATHON 2025

Jessica Walsh

Bib: 28368•F

NH

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
29:31
Rank: #24249
Start → 5K
29:31 | 9:30/mi
10K· 6.21 mi
58:02
Rank: #23689 (+560)
5K → 10K
28:31 | 9:11/mi
15K· 9.32 mi
1:26:23
Rank: #23333 (+356)
10K → 15K
28:21 | 9:07/mi
20K· 12.43 mi
1:54:40
Rank: #22898 (+435)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
2:00:35
Rank: #22770 (+128)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:21:43
Rank: #22118 (+652)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:48:57
Rank: #21165 (+953)
25K → 30K
27:14 | 8:46/mi
20M
3:00:49
Rank: #20761 (+404)
30K → 20M
11:52 | 8:44/mi
21M
3:09:45
Rank: #20368 (+393)
20M → 21M
8:56 | 8:56/mi
35K· 21.75 mi
3:16:02
Rank: #20188 (+180)
21M → 35K
6:17 | 8:24/mi
23M
3:26:58
Rank: #19907 (+281)
35K → 23M
10:56 | 8:44/mi
24M
3:35:34
Rank: #19704 (+203)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:43:26
Rank: #19630 (+74)
24M → 40K
7:52 | 9:12/mi
25.2M
3:46:46
Rank: #19553 (+77)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:55:22
Rank: #19420 (+133)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
📊Negative Split: 4.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0929:319:3029:31
9:30
-
10K
6.21 mi12:15:4058:029:2028:31
9:11
-0:19
15K
9.32 mi12:44:011:26:239:1628:21
9:07
-0:04
20K
12.43 mi13:12:181:54:409:1428:17
9:06
-0:01
Half
13.11 mi13:18:132:00:359:125:55
8:40
-0:26
25K
15.53 mi13:39:212:21:439:0721:08
8:43
+0:03
30K
18.64 mi14:06:352:48:579:0427:14
8:46
+0:03
20M
20.00 mi14:18:273:00:499:0211:52
8:44
-0:02
21M
21.00 mi14:27:233:09:459:028:56
8:56
+0:12
35K
21.75 mi14:33:403:16:029:016:17
8:24
-0:32
23M
23.00 mi14:44:363:26:589:0010:56
8:44
+0:20
24M
24.00 mi14:53:123:35:348:598:36
8:36
-0:08
40K
24.85 mi15:01:043:43:268:597:52
9:12
+0:36
25.2M
25.20 mi15:04:243:46:469:003:20
9:40
+0:28
Finish
26.22 mi15:13:003:55:228:598:36
8:26
-1:14

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

8:24 /mi

Average Pace

8:59 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:31

86% of race

Time at Steady Pace

32:51

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:47:0929:319:3029:31
9:30
#24249
10K
6.21 mi12:15:4058:029:2028:31
9:11
#23689
15K
9.32 mi12:44:011:26:239:1628:21
9:07
#23333
20K
12.43 mi13:12:181:54:409:1428:17
9:06
#22898
Half
13.11 mi13:18:132:00:359:125:55
8:40
#22770
25K
15.53 mi13:39:212:21:439:0721:08
8:43
#22118
30K
18.64 mi14:06:352:48:579:0427:14
8:46
#21165
20M
20.00 mi14:18:273:00:499:0211:52
8:44
#20761
21M
21.00 mi14:27:233:09:459:028:56
8:56
#20368
35K
21.75 mi14:33:403:16:029:016:17
8:24
#20188
23M
23.00 mi14:44:363:26:589:0010:56
8:44
#19907
24M
24.00 mi14:53:123:35:348:598:36
8:36
#19704
40K
24.85 mi15:01:043:43:268:597:52
9:12
#19630
25.2M
25.20 mi15:04:243:46:469:003:20
9:40
#19553
Finish
26.22 mi15:13:003:55:228:598:36
8:26
#19420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242499823982322563(Top 79%)8865(Top 72%)8865(Top 162%)
10K6.21 mi3.10 mi23689+5609524+2999524+29923116(Top 81%)9195(Top 75%)9195(Top 168%)
15K9.32 mi3.11 mi23333+3569309+2159309+21522563(Top 79%)8865(Top 72%)8865(Top 162%)
20K12.43 mi3.11 mi22898+4359069+2409069+24021457(Top 76%)8290(Top 68%)8290(Top 152%)
Half13.11 mi0.68 mi22770+1288995+748995+7420236(Top 71%)7609(Top 62%)7609(Top 139%)
25K15.53 mi2.42 mi22118+6528662+3338662+33318516(Top 65%)6717(Top 55%)6717(Top 123%)
30K18.64 mi3.11 mi21165+9538177+4858177+48516415(Top 58%)5702(Top 47%)5702(Top 104%)
20M20.00 mi1.36 mi20761+4047975+2027975+20215310(Top 54%)5225(Top 43%)5225(Top 96%)
21M21.00 mi1.00 mi20368+3937781+1947781+19413164(Top 46%)4209(Top 34%)4209(Top 77%)
35K21.75 mi0.75 mi20188+1807698+837698+8314918(Top 53%)5207(Top 43%)5207(Top 95%)
23M23.00 mi1.25 mi19907+2817568+1307568+13014764(Top 52%)5214(Top 43%)5214(Top 95%)
24M24.00 mi1.00 mi19704+2037482+867482+8615210(Top 54%)5508(Top 45%)5508(Top 101%)
40K24.85 mi0.85 mi19630+747456+267456+2617388(Top 61%)6806(Top 56%)6806(Top 124%)
25.2M25.20 mi0.35 mi19553+777429+277429+2715545(Top 55%)5869(Top 48%)5869(Top 107%)
Finish26.22 mi1.02 mi19420+1337362+677362+6715876(Top 56%)5965(Top 49%)5965(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22563

Females

8865

F18-39

8865

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23116

Females

9195

F18-39

9195

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22563

Females

8865

F18-39

8865

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21457

Females

8290

F18-39

8290

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20236

Females

7609

F18-39

7609

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18516

Females

6717

F18-39

6717

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16415

Females

5702

F18-39

5702

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15310

Females

5225

F18-39

5225

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13164

Females

4209

F18-39

4209

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14918

Females

5207

F18-39

5207

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14764

Females

5214

F18-39

5214

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15210

Females

5508

F18-39

5508

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17388

Females

6806

F18-39

6806

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15545

Females

5869

F18-39

5869

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15876

Females

5965

F18-39

5965

Passing Analysis

Category:
Athletes Passed
4986
Passed By
157
Net Change
+4829
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24249
5K → 10K62060+560#24249#23689
10K → 15K39539+356#23689#23333
15K → 20K45116+435#23333#22898
20K → Half1291+128#22898#22770
Half → 25K6531+652#22770#22118
25K → 30K9541+953#22118#21165
30K → 20M4040+404#21165#20761
20M → 21M3930+393#20761#20368
21M → 35K1800+180#20368#20188
35K → 23M2854+281#20188#19907
23M → 24M2063+203#19907#19704
24M → 40K9521+74#19704#19630
40K → 25.2M836+77#19630#19553
25.2M → Finish1385+133#19553#19420
TOTALS4986157+4829
📊

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