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BOSTON MARATHON 2025

Emily Walker

Bib: 27443•F

MA

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
26:20
Rank: #19771
Start → 5K
8:29/mi
26:20 split
10K· 6.21 mi
52:47
Rank: #19817 (-46)
5K → 10K
8:31/mi
26:27 split
15K· 9.32 mi
1:19:34
Rank: #19903 (-86)
10K → 15K
8:37/mi
26:47 split
20K· 12.43 mi
1:48:54
Rank: #20740 (-837)
15K → 20K
9:26/mi
29:20 split
Half· 13.11 mi
1:55:38
Rank: #21032 (-292)
20K → Half
9:52/mi
6:44 split
25K· 15.53 mi
2:20:34
Rank: #21777 (-745)
Half → 25K
10:17/mi
24:56 split
30K· 18.64 mi
2:53:01
Rank: #22098 (-321)
25K → 30K
10:27/mi
32:27 split
20M
3:07:07
Rank: #22106 (-8)
30K → 20M
10:23/mi
14:06 split
21M
3:18:28
Rank: #22085 (+21)
20M → 21M
11:21/mi
11:21 split
35K· 21.75 mi
3:25:39
Rank: #22026 (+59)
21M → 35K
9:36/mi
7:11 split
23M
3:37:48
Rank: #21861 (+165)
35K → 23M
9:42/mi
12:09 split
24M
3:47:12
Rank: #21757 (+104)
23M → 24M
9:24/mi
9:24 split
40K· 24.85 mi
3:55:18
Rank: #21625 (+132)
24M → 40K
9:28/mi
8:06 split
25.2M
3:58:59
Rank: #21585 (+40)
40K → 25.2M
10:41/mi
3:41 split
Finish· 26.22 mi
4:08:28
Rank: #21530 (+55)
25.2M → Finish
9:18/mi
9:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:12:50
Pace10:08 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1626:208:2926:20
8:29
-
10K
6.21 mi12:08:4352:478:3026:27
8:31
+0:02
15K
9.32 mi12:35:301:19:348:3226:47
8:37
+0:06
20K
12.43 mi13:04:501:48:548:4629:20
9:26
+0:49
Half
13.11 mi13:11:341:55:388:496:44
9:52
+0:26
25K
15.53 mi13:36:302:20:349:0324:56
10:17
+0:25
30K
18.64 mi14:08:572:53:019:1732:27
10:27
+0:10
20M
20.00 mi14:23:033:07:079:2114:06
10:23
-0:04
21M
21.00 mi14:34:243:18:289:2711:21
11:21
+0:58
35K
21.75 mi14:41:353:25:399:277:11
9:36
-1:45
23M
23.00 mi14:53:443:37:489:2812:09
9:42
+0:06
24M
24.00 mi15:03:083:47:129:289:24
9:24
-0:18
40K
24.85 mi15:11:143:55:189:288:06
9:28
+0:04
25.2M
25.20 mi15:14:553:58:599:293:41
10:41
+1:13
Finish
26.22 mi15:24:244:08:289:299:29
9:18
-1:23

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

8:29 /mi

Average Pace

9:29 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:34

32% of race

Time at Steady Pace

1:22:23

33% of race

Time at Slower Pace

1:26:31

35% of race

Average Pace: 9:29 /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 mi11:42:1626:208:2926:20
8:29
#19771
10K
6.21 mi12:08:4352:478:3026:27
8:31
#19817
15K
9.32 mi12:35:301:19:348:3226:47
8:37
#19903
20K
12.43 mi13:04:501:48:548:4629:20
9:26
#20740
Half
13.11 mi13:11:341:55:388:496:44
9:52
#21032
25K
15.53 mi13:36:302:20:349:0324:56
10:17
#21777
30K
18.64 mi14:08:572:53:019:1732:27
10:27
#22098
20M
20.00 mi14:23:033:07:079:2114:06
10:23
#22106
21M
21.00 mi14:34:243:18:289:2711:21
11:21
#22085
35K
21.75 mi14:41:353:25:399:277:11
9:36
#22026
23M
23.00 mi14:53:443:37:489:2812:09
9:42
#21861
24M
24.00 mi15:03:083:47:129:289:24
9:24
#21757
40K
24.85 mi15:11:143:55:189:288:06
9:28
#21625
25.2M
25.20 mi15:14:553:58:599:293:41
10:41
#21585
Finish
26.22 mi15:24:244:08:289:299:29
9:18
#21530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi197717376737620052(Top 71%)7469(Top 61%)7469(Top 137%)
10K6.21 mi3.10 mi19817-467369+77369+719895(Top 70%)7413(Top 61%)7413(Top 136%)
15K9.32 mi3.11 mi19903-867412-437412-4320052(Top 71%)7469(Top 61%)7469(Top 137%)
20K12.43 mi3.11 mi20740-8377893-4817893-48122723(Top 80%)8985(Top 73%)8985(Top 164%)
Half13.11 mi0.68 mi21032-2928048-1558048-15524556(Top 86%)10023(Top 82%)10023(Top 183%)
25K15.53 mi2.42 mi21777-7458484-4368484-43623911(Top 84%)9692(Top 79%)9692(Top 177%)
30K18.64 mi3.11 mi22098-3218675-1918675-19122811(Top 80%)9220(Top 75%)9220(Top 169%)
20M20.00 mi1.36 mi22106-88698-238698-2322088(Top 78%)8941(Top 73%)8941(Top 163%)
21M21.00 mi1.00 mi22085+218708-108708-1022282(Top 78%)9125(Top 75%)9125(Top 167%)
35K21.75 mi0.75 mi22026+598691+178691+1720710(Top 73%)8356(Top 68%)8356(Top 153%)
23M23.00 mi1.25 mi21861+1658638+538638+5319481(Top 69%)7776(Top 64%)7776(Top 142%)
24M24.00 mi1.00 mi21757+1048607+318607+3119266(Top 68%)7694(Top 63%)7694(Top 141%)
40K24.85 mi0.85 mi21625+1328549+588549+5818644(Top 66%)7460(Top 61%)7460(Top 136%)
25.2M25.20 mi0.35 mi21585+408534+158534+1519714(Top 69%)8025(Top 66%)8025(Top 147%)
Finish26.22 mi1.02 mi21530+558512+228512+2220425(Top 72%)8357(Top 68%)8357(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20052

Females

7469

F18-39

7469

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19895

Females

7413

F18-39

7413

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20052

Females

7469

F18-39

7469

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22723

Females

8985

F18-39

8985

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24556

Females

10023

F18-39

10023

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23911

Females

9692

F18-39

9692

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22811

Females

9220

F18-39

9220

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22088

Females

8941

F18-39

8941

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22282

Females

9125

F18-39

9125

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20710

Females

8356

F18-39

8356

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19481

Females

7776

F18-39

7776

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

19266

Females

7694

F18-39

7694

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18644

Females

7460

F18-39

7460

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19714

Females

8025

F18-39

8025

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20425

Females

8357

F18-39

8357

Passing Analysis

Category:
Athletes Passed
1380
Passed By
3139
Net Change
-1759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19771
5K → 10K242288-46#19771#19817
10K → 15K161247-86#19817#19903
15K → 20K46883-837#19903#20740
20K → Half3295-292#20740#21032
Half → 25K27772-745#21032#21777
25K → 30K93414-321#21777#22098
30K → 20M8795-8#22098#22106
20M → 21M8867+21#22106#22085
21M → 35K7920+59#22085#22026
35K → 23M18116+165#22026#21861
23M → 24M1106+104#21861#21757
24M → 40K1408+132#21757#21625
40K → 25.2M444+40#21625#21585
25.2M → Finish7924+55#21585#21530
TOTALS13803139-1759
📊

Passing Visuals

Category:
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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