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BOSTON MARATHON 2025

Julia Shepherd

Bib: 26558•F

MA

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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Age Group (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
27:53
Rank: #22325
Start → 5K
27:53 | 8:58/mi
10K· 6.21 mi
54:54
Rank: #21644 (+681)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:23:47
Rank: #22232 (-588)
10K → 15K
28:53 | 9:18/mi
20K· 12.43 mi
1:54:40
Rank: #22901 (-669)
15K → 20K
30:53 | 9:56/mi
Half· 13.11 mi
2:01:18
Rank: #22975 (-74)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:26:06
Rank: #23133 (-158)
Half → 25K
24:48 | 10:14/mi
30K· 18.64 mi
3:00:59
Rank: #23433 (-300)
25K → 30K
34:53 | 11:14/mi
20M
3:16:26
Rank: #23497 (-64)
30K → 20M
15:27 | 11:22/mi
21M
3:28:12
Rank: #23483 (+14)
20M → 21M
11:46 | 11:46/mi
35K· 21.75 mi
3:36:14
Rank: #23476 (+7)
21M → 35K
8:02 | 10:44/mi
23M
3:50:17
Rank: #23502 (-26)
35K → 23M
14:03 | 11:13/mi
24M
4:01:08
Rank: #23510 (-8)
23M → 24M
10:51 | 10:51/mi
40K· 24.85 mi
4:10:32
Rank: #23512 (-2)
24M → 40K
9:24 | 11:00/mi
25.2M
4:14:21
Rank: #23451 (+61)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:24:20
Rank: #23425 (+26)
25.2M → Finish
9:59 | 9:48/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time2:01:18
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:23:02
Pace10:55 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2527:538:5827:53
8:58
-
10K
6.21 mi12:10:2654:548:5027:01
8:42
-0:16
15K
9.32 mi12:39:191:23:478:5928:53
9:18
+0:36
20K
12.43 mi13:10:121:54:409:1430:53
9:56
+0:38
Half
13.11 mi13:16:502:01:189:156:38
9:43
-0:13
25K
15.53 mi13:41:382:26:069:2424:48
10:14
+0:31
30K
18.64 mi14:16:313:00:599:4334:53
11:14
+1:00
20M
20.00 mi14:31:583:16:269:4915:27
11:22
+0:08
21M
21.00 mi14:43:443:28:129:5511:46
11:46
+0:24
35K
21.75 mi14:51:463:36:149:578:02
10:44
-1:02
23M
23.00 mi15:05:493:50:1710:0114:03
11:13
+0:29
24M
24.00 mi15:16:404:01:0810:0310:51
10:51
-0:22
40K
24.85 mi15:26:044:10:3210:059:24
11:00
+0:09
25.2M
25.20 mi15:29:534:14:2110:063:49
11:04
+0:04
Finish
26.22 mi15:39:524:24:2010:059:59
9:48
-1:16

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:42 /mi

Average Pace

10:05 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:36:05

59% of race

Time at Steady Pace

32:06

12% of race

Time at Slower Pace

1:16:09

29% of race

Average Pace: 10:05 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:43:2527:538:5827:53
8:58
#22325
10K
6.21 mi12:10:2654:548:5027:01
8:42
#21644
15K
9.32 mi12:39:191:23:478:5928:53
9:18
#22232
20K
12.43 mi13:10:121:54:409:1430:53
9:56
#22901
Half
13.11 mi13:16:502:01:189:156:38
9:43
#22975
25K
15.53 mi13:41:382:26:069:2424:48
10:14
#23133
30K
18.64 mi14:16:313:00:599:4334:53
11:14
#23433
20M
20.00 mi14:31:583:16:269:4915:27
11:22
#23497
21M
21.00 mi14:43:443:28:129:5511:46
11:46
#23483
35K
21.75 mi14:51:463:36:149:578:02
10:44
#23476
23M
23.00 mi15:05:493:50:1710:0114:03
11:13
#23502
24M
24.00 mi15:16:404:01:0810:0310:51
10:51
#23510
40K
24.85 mi15:26:044:10:3210:059:24
11:00
#23512
25.2M
25.20 mi15:29:534:14:2110:063:49
11:04
#23451
Finish
26.22 mi15:39:524:24:2010:059:59
9:48
#23425
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223258815881523212(Top 82%)9212(Top 75%)9212(Top 168%)
10K6.21 mi3.10 mi21644+6818413+4028413+40220858(Top 73%)7948(Top 65%)7948(Top 145%)
15K9.32 mi3.11 mi22232-5888716-3038716-30323212(Top 82%)9212(Top 75%)9212(Top 168%)
20K12.43 mi3.11 mi22901-6699072-3569072-35624112(Top 85%)9773(Top 80%)9773(Top 179%)
Half13.11 mi0.68 mi22975-749111-399111-3924187(Top 85%)9807(Top 80%)9807(Top 179%)
25K15.53 mi2.42 mi23133-1589212-1019212-10123784(Top 84%)9628(Top 79%)9628(Top 176%)
30K18.64 mi3.11 mi23433-3009420-2089420-20824429(Top 86%)10091(Top 83%)10091(Top 185%)
20M20.00 mi1.36 mi23497-649470-509470-5024315(Top 86%)10122(Top 83%)10122(Top 185%)
21M21.00 mi1.00 mi23483+149492-229492-2223163(Top 82%)9582(Top 78%)9582(Top 175%)
35K21.75 mi0.75 mi23476+79502-109502-1023677(Top 83%)9887(Top 81%)9887(Top 181%)
23M23.00 mi1.25 mi23502-269528-269528-2623721(Top 84%)9967(Top 82%)9967(Top 182%)
24M24.00 mi1.00 mi23510-89544-169544-1623681(Top 83%)9968(Top 82%)9968(Top 182%)
40K24.85 mi0.85 mi23512-29565-219565-2123149(Top 81%)9779(Top 80%)9779(Top 179%)
25.2M25.20 mi0.35 mi23451+619544+219544+2120911(Top 74%)8625(Top 71%)8625(Top 158%)
Finish26.22 mi1.02 mi23425+269545-19545-122285(Top 78%)9318(Top 76%)9318(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23212

Females

9212

F18-39

9212

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20858

Females

7948

F18-39

7948

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23212

Females

9212

F18-39

9212

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24112

Females

9773

F18-39

9773

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24187

Females

9807

F18-39

9807

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23784

Females

9628

F18-39

9628

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24429

Females

10091

F18-39

10091

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24315

Females

10122

F18-39

10122

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23163

Females

9582

F18-39

9582

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23677

Females

9887

F18-39

9887

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23721

Females

9967

F18-39

9967

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23681

Females

9968

F18-39

9968

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23149

Females

9779

F18-39

9779

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20911

Females

8625

F18-39

8625

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22285

Females

9318

F18-39

9318

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1501
Passed By
2601
Net Change
-1100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22325
5K → 10K74564+681#22325#21644
10K → 15K73661-588#21644#22232
15K → 20K47716-669#22232#22901
20K → Half1589-74#22901#22975
Half → 25K78236-158#22975#23133
25K → 30K81381-300#23133#23433
30K → 20M56120-64#23433#23497
20M → 21M8369+14#23497#23483
21M → 35K5144+7#23483#23476
35K → 23M6591-26#23476#23502
23M → 24M4250-8#23502#23510
24M → 40K4345-2#23510#23512
40K → 25.2M676+61#23512#23451
25.2M → Finish5529+26#23451#23425
TOTALS15012601-1100
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing