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BOSTON MARATHON 2025

Yukiko Yano

Bib: 17948•F

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 27%
Division (F18-39)
#0 / 5469
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:36/mi
23:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
47:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:26
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:35:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:00:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:25:27
↑ 181↓ 1480.2%
20M
8:16/mi
2:36:41
↑ 64↓ 500.2%
21M
8:35/mi
2:45:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:51:07
↑ 17↓ 861.7%
23M
8:08/mi
3:01:18
↑ 23↓ 630.6%
24M
7:52/mi
3:09:10
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:15:58
↓ 200.3%
25.2M
8:42/mi
3:18:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:26:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:07
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0223:367:3623:36
7:36
-
10K
6.21 mi11:37:5347:277:3823:51
7:41
+0:05
15K
9.32 mi12:01:521:11:267:4023:59
7:43
+0:02
20K
12.43 mi12:26:151:35:497:4324:23
7:51
+0:08
Half
13.11 mi12:31:331:41:077:435:18
7:46
-0:05
25K
15.53 mi12:50:402:00:147:4419:07
7:53
+0:07
30K
18.64 mi13:15:532:25:277:4825:13
8:07
+0:14
20M
20.00 mi13:27:072:36:417:5011:14
8:16
+0:09
21M
21.00 mi13:35:422:45:167:528:35
8:35
+0:19
35K
21.75 mi13:41:332:51:077:525:51
7:49
-0:46
23M
23.00 mi13:51:443:01:187:5310:11
8:08
+0:19
24M
24.00 mi13:59:363:09:107:537:52
7:52
-0:16
40K
24.85 mi14:06:243:15:587:536:48
7:57
+0:05
25.2M
25.20 mi14:09:243:18:587:543:00
8:42
+0:45
Finish
26.22 mi14:17:103:26:447:537:46
7:37
-1:05

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

7:36 /mi

Average Pace

7:53 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:09

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:0223:367:3623:36
7:36
#13093
10K
6.21 mi11:37:5347:277:3823:51
7:41
#13366
15K
9.32 mi12:01:521:11:267:4023:59
7:43
#13445
20K
12.43 mi12:26:151:35:497:4324:23
7:51
#13459
Half
13.11 mi12:31:331:41:077:435:18
7:46
#13487
25K
15.53 mi12:50:402:00:147:4419:07
7:53
#13356
30K
18.64 mi13:15:532:25:277:4825:13
8:07
#13110
20M
20.00 mi13:27:072:36:417:5011:14
8:16
#13011
21M
21.00 mi13:35:422:45:167:528:35
8:35
#12871
35K
21.75 mi13:41:332:51:077:525:51
7:49
#12796
23M
23.00 mi13:51:443:01:187:5310:11
8:08
#12623
24M
24.00 mi13:59:363:09:107:537:52
7:52
#12493
40K
24.85 mi14:06:243:15:587:536:48
7:57
#12367
25.2M
25.20 mi14:09:243:18:587:543:00
8:42
#12312
Finish
26.22 mi14:17:103:26:447:537:46
7:37
#12199
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130933372337213699(Top 48%)3842(Top 31%)3842(Top 70%)
10K6.21 mi3.10 mi13366-2733567-1953567-19513687(Top 48%)3770(Top 31%)3770(Top 69%)
15K9.32 mi3.11 mi13445-793653-863653-8613699(Top 48%)3842(Top 31%)3842(Top 70%)
20K12.43 mi3.11 mi13459-143698-453698-4513667(Top 48%)3906(Top 32%)3906(Top 71%)
Half13.11 mi0.68 mi13487-283720-223720-2214010(Top 49%)4043(Top 33%)4043(Top 74%)
25K15.53 mi2.42 mi13356+1313688+323688+3212995(Top 46%)3667(Top 30%)3667(Top 67%)
30K18.64 mi3.11 mi13110+2463621+673621+6712225(Top 43%)3401(Top 28%)3401(Top 62%)
20M20.00 mi1.36 mi13011+993586+353586+3512283(Top 43%)3583(Top 29%)3583(Top 66%)
21M21.00 mi1.00 mi12871+1403543+433543+4311012(Top 39%)3107(Top 25%)3107(Top 57%)
35K21.75 mi0.75 mi12796+753517+263517+2611023(Top 39%)3121(Top 26%)3121(Top 57%)
23M23.00 mi1.25 mi12623+1733460+573460+5710965(Top 39%)3211(Top 26%)3211(Top 59%)
24M24.00 mi1.00 mi12493+1303416+443416+4410356(Top 36%)2978(Top 24%)2978(Top 54%)
40K24.85 mi0.85 mi12367+1263385+313385+319900(Top 35%)2880(Top 24%)2880(Top 53%)
25.2M25.20 mi0.35 mi12312+553373+123373+1210092(Top 36%)3079(Top 25%)3079(Top 56%)
Finish26.22 mi1.02 mi12199+1133353+203353+2010140(Top 36%)3060(Top 25%)3060(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13699

Females

3842

F18-39

3842

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13687

Females

3770

F18-39

3770

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13699

Females

3842

F18-39

3842

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13667

Females

3906

F18-39

3906

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14010

Females

4043

F18-39

4043

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12995

Females

3667

F18-39

3667

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12225

Females

3401

F18-39

3401

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12283

Females

3583

F18-39

3583

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11012

Females

3107

F18-39

3107

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11023

Females

3121

F18-39

3121

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10965

Females

3211

F18-39

3211

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10356

Females

2978

F18-39

2978

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9900

Females

2880

F18-39

2880

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10092

Females

3079

F18-39

3079

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10140

Females

3060

F18-39

3060

Passing Analysis

Category:
Athletes Passed
2279
Passed By
1385
Net Change
+894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13093
5K → 10K183456-273#13093#13366
10K → 15K177256-79#13366#13445
15K → 20K189203-14#13445#13459
20K → Half2755-28#13459#13487
Half → 25K22392+131#13487#13356
25K → 30K370124+246#13356#13110
30K → 20M16061+99#13110#13011
20M → 21M16929+140#13011#12871
21M → 35K9318+75#12871#12796
35K → 23M20330+173#12796#12623
23M → 24M15020+130#12623#12493
24M → 40K13610+126#12493#12367
40K → 25.2M627+55#12367#12312
25.2M → Finish13724+113#12312#12199
TOTALS22791385+894
📊

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