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BOSTON MARATHON 2025

Emilee Horiuchi

Bib: 14969•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 48%
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
24:50
Rank: #16547
Start → 5K
24:50 | 8:00/mi
10K· 6.21 mi
49:06
Rank: #15703 (+844)
5K → 10K
24:16 | 7:49/mi
15K· 9.32 mi
1:13:40
Rank: #15527 (+176)
10K → 15K
24:34 | 7:54/mi
20K· 12.43 mi
1:39:16
Rank: #15839 (-312)
15K → 20K
25:36 | 8:14/mi
Half· 13.11 mi
1:44:59
Rank: #15991 (-152)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:05:42
Rank: #16269 (-278)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:33:29
Rank: #16431 (-162)
25K → 30K
27:47 | 8:57/mi
20M
2:45:46
Rank: #16430 (+1)
30K → 20M
12:17 | 9:02/mi
21M
2:55:12
Rank: #16349 (+81)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:01:54
Rank: #16380 (-31)
21M → 35K
6:42 | 8:57/mi
23M
3:13:50
Rank: #16520 (-140)
35K → 23M
11:56 | 9:32/mi
24M
3:23:22
Rank: #16717 (-197)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
3:31:32
Rank: #16812 (-95)
24M → 40K
8:10 | 9:33/mi
25.2M
3:34:58
Rank: #16805 (+7)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:43:27
Rank: #16728 (+77)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:59
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5924:508:0024:50
8:00
-
10K
6.21 mi11:21:1549:067:5424:16
7:49
-0:11
15K
9.32 mi11:45:491:13:407:5424:34
7:54
+0:05
20K
12.43 mi12:11:251:39:167:5925:36
8:14
+0:20
Half
13.11 mi12:17:081:44:598:005:43
8:23
+0:09
25K
15.53 mi12:37:512:05:428:0620:43
8:33
+0:10
30K
18.64 mi13:05:382:33:298:1427:47
8:57
+0:24
20M
20.00 mi13:17:552:45:468:1712:17
9:02
+0:05
21M
21.00 mi13:27:212:55:128:219:26
9:26
+0:24
35K
21.75 mi13:34:033:01:548:226:42
8:57
-0:29
23M
23.00 mi13:45:593:13:508:2611:56
9:32
+0:35
24M
24.00 mi13:55:313:23:228:289:32
9:32
0:00
40K
24.85 mi14:03:413:31:328:318:10
9:33
+0:01
25.2M
25.20 mi14:07:073:34:588:323:26
9:57
+0:24
Finish
26.22 mi14:15:363:43:278:328:29
8:19
-1:38

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

7:49 /mi

Average Pace

8:32 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:11

60% of race

Time at Steady Pace

46:46

21% of race

Time at Slower Pace

42:30

19% of race

Average Pace: 8:31 /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 mi10:56:5924:508:0024:50
8:00
#16547
10K
6.21 mi11:21:1549:067:5424:16
7:49
#15703
15K
9.32 mi11:45:491:13:407:5424:34
7:54
#15527
20K
12.43 mi12:11:251:39:167:5925:36
8:14
#15839
Half
13.11 mi12:17:081:44:598:005:43
8:23
#15991
25K
15.53 mi12:37:512:05:428:0620:43
8:33
#16269
30K
18.64 mi13:05:382:33:298:1427:47
8:57
#16431
20M
20.00 mi13:17:552:45:468:1712:17
9:02
#16430
21M
21.00 mi13:27:212:55:128:219:26
9:26
#16349
35K
21.75 mi13:34:033:01:548:226:42
8:57
#16380
23M
23.00 mi13:45:593:13:508:2611:56
9:32
#16520
24M
24.00 mi13:55:313:23:228:289:32
9:32
#16717
40K
24.85 mi14:03:413:31:328:318:10
9:33
#16812
25.2M
25.20 mi14:07:073:34:588:323:26
9:57
#16805
Finish
26.22 mi14:15:363:43:278:328:29
8:19
#16728
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165475483548315322(Top 54%)4766(Top 39%)4766(Top 87%)
10K6.21 mi3.10 mi15703+8444963+5204963+52014948(Top 53%)4507(Top 37%)4507(Top 82%)
15K9.32 mi3.11 mi15527+1764865+984865+9815322(Top 54%)4766(Top 39%)4766(Top 87%)
20K12.43 mi3.11 mi15839-3125059-1945059-19416577(Top 58%)5533(Top 45%)5533(Top 101%)
Half13.11 mi0.68 mi15991-1525144-855144-8518494(Top 65%)6608(Top 54%)6608(Top 121%)
25K15.53 mi2.42 mi16269-2785324-1805324-18017460(Top 61%)6116(Top 50%)6116(Top 112%)
30K18.64 mi3.11 mi16431-1625486-1625486-16217382(Top 61%)6235(Top 51%)6235(Top 114%)
20M20.00 mi1.36 mi16430+15519-335519-3317021(Top 60%)6143(Top 50%)6143(Top 112%)
21M21.00 mi1.00 mi16349+815497+225497+2215804(Top 56%)5607(Top 46%)5607(Top 103%)
35K21.75 mi0.75 mi16380-315531-345531-3418028(Top 63%)6910(Top 57%)6910(Top 126%)
23M23.00 mi1.25 mi16520-1405648-1175648-11718841(Top 66%)7420(Top 61%)7420(Top 136%)
24M24.00 mi1.00 mi16717-1975791-1435791-14319738(Top 69%)7945(Top 65%)7945(Top 145%)
40K24.85 mi0.85 mi16812-955879-885879-8818916(Top 67%)7586(Top 62%)7586(Top 139%)
25.2M25.20 mi0.35 mi16805+75896-175896-1716858(Top 59%)6512(Top 53%)6512(Top 119%)
Finish26.22 mi1.02 mi16728+775867+295867+2915104(Top 53%)5541(Top 45%)5541(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15322

Females

4766

F18-39

4766

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14948

Females

4507

F18-39

4507

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15322

Females

4766

F18-39

4766

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16577

Females

5533

F18-39

5533

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18494

Females

6608

F18-39

6608

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17460

Females

6116

F18-39

6116

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17382

Females

6235

F18-39

6235

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17021

Females

6143

F18-39

6143

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15804

Females

5607

F18-39

5607

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18028

Females

6910

F18-39

6910

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18841

Females

7420

F18-39

7420

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19738

Females

7945

F18-39

7945

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18916

Females

7586

F18-39

7586

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16858

Females

6512

F18-39

6512

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15104

Females

5541

F18-39

5541

Passing Analysis

Category:
Athletes Passed
2241
Passed By
2422
Net Change
-181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16547
5K → 10K90561+844#16547#15703
10K → 15K295119+176#15703#15527
15K → 20K124436-312#15527#15839
20K → Half12164-152#15839#15991
Half → 25K99377-278#15991#16269
25K → 30K180342-162#16269#16431
30K → 20M113112+1#16431#16430
20M → 21M14665+81#16430#16349
21M → 35K5788-31#16349#16380
35K → 23M76216-140#16380#16520
23M → 24M27224-197#16520#16717
24M → 40K58153-95#16717#16812
40K → 25.2M4134+7#16812#16805
25.2M → Finish10831+77#16805#16728
TOTALS22412422-181
📊

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