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BOSTON MARATHON 2025

Emma Yentis

Bib: 16104•F

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
25:41
Rank: #18524
Start → 5K
8:16/mi
25:41 split
10K· 6.21 mi
51:31
Rank: #18557 (-33)
5K → 10K
8:19/mi
25:50 split
15K· 9.32 mi
1:17:44
Rank: #18650 (-93)
10K → 15K
8:26/mi
26:13 split
20K· 12.43 mi
1:46:05
Rank: #19507 (-857)
15K → 20K
9:07/mi
28:21 split
Half· 13.11 mi
1:51:46
Rank: #19434 (+73)
20K → Half
8:20/mi
5:41 split
25K· 15.53 mi
2:12:53
Rank: #19227 (+207)
Half → 25K
8:43/mi
21:07 split
30K· 18.64 mi
2:42:17
Rank: #19350 (-123)
25K → 30K
9:28/mi
29:24 split
20M
2:54:14
Rank: #19081 (+269)
30K → 20M
8:48/mi
11:57 split
21M
3:03:31
Rank: #18840 (+241)
20M → 21M
9:17/mi
9:17 split
35K· 21.75 mi
3:09:56
Rank: #18725 (+115)
21M → 35K
8:35/mi
6:25 split
23M
3:20:56
Rank: #18501 (+224)
35K → 23M
8:47/mi
11:00 split
24M
3:29:56
Rank: #18432 (+69)
23M → 24M
9:00/mi
9:00 split
40K· 24.85 mi
3:37:33
Rank: #18341 (+91)
24M → 40K
8:54/mi
7:37 split
25.2M
3:41:01
Rank: #18319 (+22)
40K → 25.2M
10:03/mi
3:28 split
Finish· 26.22 mi
3:49:37
Rank: #18240 (+79)
25.2M → Finish
8:26/mi
8:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:46
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:57:51
Pace8:59 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:5725:418:1625:41
8:16
-
10K
6.21 mi11:24:4751:318:1725:50
8:19
+0:03
15K
9.32 mi11:51:001:17:448:2026:13
8:26
+0:07
20K
12.43 mi12:19:211:46:058:3228:21
9:07
+0:41
Half
13.11 mi12:25:021:51:468:325:41
8:20
-0:47
25K
15.53 mi12:46:092:12:538:3321:07
8:43
+0:23
30K
18.64 mi13:15:332:42:178:4229:24
9:28
+0:45
20M
20.00 mi13:27:302:54:148:4311:57
8:48
-0:40
21M
21.00 mi13:36:473:03:318:449:17
9:17
+0:29
35K
21.75 mi13:43:123:09:568:446:25
8:35
-0:42
23M
23.00 mi13:54:123:20:568:4411:00
8:47
+0:12
24M
24.00 mi14:03:123:29:568:459:00
9:00
+0:13
40K
24.85 mi14:10:493:37:338:457:37
8:54
-0:06
25.2M
25.20 mi14:14:173:41:018:463:28
10:03
+1:09
Finish
26.22 mi14:22:533:49:378:468:36
8:26
-1:37

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

8:16 /mi

Average Pace

8:46 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:01

40% of race

Time at Steady Pace

1:07:06

29% of race

Time at Slower Pace

1:10:30

31% of race

Average Pace: 8:45 /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 mi10:58:5725:418:1625:41
8:16
#18524
10K
6.21 mi11:24:4751:318:1725:50
8:19
#18557
15K
9.32 mi11:51:001:17:448:2026:13
8:26
#18650
20K
12.43 mi12:19:211:46:058:3228:21
9:07
#19507
Half
13.11 mi12:25:021:51:468:325:41
8:20
#19434
25K
15.53 mi12:46:092:12:538:3321:07
8:43
#19227
30K
18.64 mi13:15:332:42:178:4229:24
9:28
#19350
20M
20.00 mi13:27:302:54:148:4311:57
8:48
#19081
21M
21.00 mi13:36:473:03:318:449:17
9:17
#18840
35K
21.75 mi13:43:123:09:568:446:25
8:35
#18725
23M
23.00 mi13:54:123:20:568:4411:00
8:47
#18501
24M
24.00 mi14:03:123:29:568:459:00
9:00
#18432
40K
24.85 mi14:10:493:37:338:457:37
8:54
#18341
25.2M
25.20 mi14:14:173:41:018:463:28
10:03
#18319
Finish
26.22 mi14:22:533:49:378:468:36
8:26
#18240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi185246644664418967(Top 67%)6883(Top 56%)6883(Top 126%)
10K6.21 mi3.10 mi18557-336650-66650-618650(Top 66%)6679(Top 55%)6679(Top 122%)
15K9.32 mi3.11 mi18650-936704-546704-5418967(Top 67%)6883(Top 56%)6883(Top 126%)
20K12.43 mi3.11 mi19507-8577190-4867190-48621568(Top 76%)8348(Top 68%)8348(Top 153%)
Half13.11 mi0.68 mi19434+737153+377153+3718190(Top 64%)6440(Top 53%)6440(Top 118%)
25K15.53 mi2.42 mi19227+2077042+1117042+11118459(Top 65%)6682(Top 55%)6682(Top 122%)
30K18.64 mi3.11 mi19350-1237159-1177159-11719796(Top 70%)7544(Top 62%)7544(Top 138%)
20M20.00 mi1.36 mi19081+2697025+1347025+13415659(Top 55%)5403(Top 44%)5403(Top 99%)
21M21.00 mi1.00 mi18840+2416909+1166909+11615109(Top 53%)5242(Top 43%)5242(Top 96%)
35K21.75 mi0.75 mi18725+1156865+446865+4416002(Top 56%)5793(Top 47%)5793(Top 106%)
23M23.00 mi1.25 mi18501+2246767+986767+9815068(Top 53%)5380(Top 44%)5380(Top 98%)
24M24.00 mi1.00 mi18432+696756+116756+1117391(Top 61%)6704(Top 55%)6704(Top 123%)
40K24.85 mi0.85 mi18341+916735+216735+2115835(Top 56%)5964(Top 49%)5964(Top 109%)
25.2M25.20 mi0.35 mi18319+226738-36738-317305(Top 61%)6755(Top 55%)6755(Top 124%)
Finish26.22 mi1.02 mi18240+796708+306708+3015869(Top 56%)5958(Top 49%)5958(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18967

Females

6883

F18-39

6883

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18650

Females

6679

F18-39

6679

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18967

Females

6883

F18-39

6883

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21568

Females

8348

F18-39

8348

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18190

Females

6440

F18-39

6440

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18459

Females

6682

F18-39

6682

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19796

Females

7544

F18-39

7544

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15659

Females

5403

F18-39

5403

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

15109

Females

5242

F18-39

5242

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

16002

Females

5793

F18-39

5793

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

15068

Females

5380

F18-39

5380

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17391

Females

6704

F18-39

6704

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15835

Females

5964

F18-39

5964

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17305

Females

6755

F18-39

6755

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15869

Females

5958

F18-39

5958

Passing Analysis

Category:
Athletes Passed
2242
Passed By
1958
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18524
5K → 10K249282-33#18524#18557
10K → 15K158251-93#18557#18650
15K → 20K41898-857#18650#19507
20K → Half8714+73#19507#19434
Half → 25K26962+207#19434#19227
25K → 30K183306-123#19227#19350
30K → 20M2756+269#19350#19081
20M → 21M2509+241#19081#18840
21M → 35K1205+115#18840#18725
35K → 23M2339+224#18725#18501
23M → 24M11243+69#18501#18432
24M → 40K11928+91#18432#18341
40K → 25.2M3917+22#18341#18319
25.2M → Finish10728+79#18319#18240
TOTALS22421958+284
📊

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