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BOSTON MARATHON 2025

Yimei Huang

Bib: 20018•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F50-54)
#0 / 1303
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #15710
Start → 5K
7:54/mi
24:33 split
10K· 6.21 mi
49:09
Rank: #15776 (-66)
5K → 10K
7:55/mi
24:36 split
15K· 9.32 mi
1:13:25
Rank: #15304 (+472)
10K → 15K
7:49/mi
24:16 split
20K· 12.43 mi
1:37:49
Rank: #14843 (+461)
15K → 20K
7:51/mi
24:24 split
Half· 13.11 mi
1:43:08
Rank: #14808 (+35)
20K → Half
7:48/mi
5:19 split
25K· 15.53 mi
2:02:09
Rank: #14414 (+394)
Half → 25K
7:51/mi
19:01 split
30K· 18.64 mi
2:27:26
Rank: #13956 (+458)
25K → 30K
8:08/mi
25:17 split
20M
2:38:22
Rank: #13664 (+292)
30K → 20M
8:03/mi
10:56 split
21M
2:47:07
Rank: #13538 (+126)
20M → 21M
8:45/mi
8:45 split
35K· 21.75 mi
2:53:02
Rank: #13450 (+88)
21M → 35K
7:55/mi
5:55 split
23M
3:02:45
Rank: #13114 (+336)
35K → 23M
7:46/mi
9:43 split
24M
3:10:26
Rank: #12926 (+188)
23M → 24M
7:41/mi
7:41 split
40K· 24.85 mi
3:17:02
Rank: #12709 (+217)
24M → 40K
7:43/mi
6:36 split
25.2M
3:20:03
Rank: #12660 (+49)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:27:50
Rank: #12534 (+126)
25.2M → Finish
7:38/mi
7:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:44:42
Pace7:59 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0824:337:5424:33
7:54
-
10K
6.21 mi11:40:4449:097:5524:36
7:55
+0:01
15K
9.32 mi12:05:001:13:257:5324:16
7:49
-0:06
20K
12.43 mi12:29:241:37:497:5224:24
7:51
+0:02
Half
13.11 mi12:34:431:43:087:525:19
7:48
-0:03
25K
15.53 mi12:53:442:02:097:5219:01
7:51
+0:03
30K
18.64 mi13:19:012:27:267:5525:17
8:08
+0:17
20M
20.00 mi13:29:572:38:227:5510:56
8:03
-0:05
21M
21.00 mi13:38:422:47:077:578:45
8:45
+0:42
35K
21.75 mi13:44:372:53:027:575:55
7:55
-0:50
23M
23.00 mi13:54:203:02:457:579:43
7:46
-0:09
24M
24.00 mi14:02:013:10:267:567:41
7:41
-0:05
40K
24.85 mi14:08:373:17:027:566:36
7:43
+0:02
25.2M
25.20 mi14:11:383:20:037:563:01
8:45
+1:02
Finish
26.22 mi14:19:253:27:507:567:47
7:38
-1:07

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

7:38 /mi

Average Pace

7:56 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:04

94% of race

Time at Steady Pace

11:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:16:0824:337:5424:33
7:54
#15710
10K
6.21 mi11:40:4449:097:5524:36
7:55
#15776
15K
9.32 mi12:05:001:13:257:5324:16
7:49
#15304
20K
12.43 mi12:29:241:37:497:5224:24
7:51
#14843
Half
13.11 mi12:34:431:43:087:525:19
7:48
#14808
25K
15.53 mi12:53:442:02:097:5219:01
7:51
#14414
30K
18.64 mi13:19:012:27:267:5525:17
8:08
#13956
20M
20.00 mi13:29:572:38:227:5510:56
8:03
#13664
21M
21.00 mi13:38:422:47:077:578:45
8:45
#13538
35K
21.75 mi13:44:372:53:027:575:55
7:55
#13450
23M
23.00 mi13:54:203:02:457:579:43
7:46
#13114
24M
24.00 mi14:02:013:10:267:567:41
7:41
#12926
40K
24.85 mi14:08:373:17:027:566:36
7:43
#12709
25.2M
25.20 mi14:11:383:20:037:563:01
8:45
#12660
Finish
26.22 mi14:19:253:27:507:567:47
7:38
#12534
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi157104962496214469(Top 51%)4289(Top 35%)4289(Top 329%)
10K6.21 mi3.10 mi15776-665002-405002-4015806(Top 56%)5011(Top 41%)5011(Top 385%)
15K9.32 mi3.11 mi15304+4724732+2704732+27014469(Top 51%)4289(Top 35%)4289(Top 329%)
20K12.43 mi3.11 mi14843+4614497+2354497+23513716(Top 48%)3935(Top 32%)3935(Top 302%)
Half13.11 mi0.68 mi14808+354478+194478+1914218(Top 50%)4169(Top 34%)4169(Top 320%)
25K15.53 mi2.42 mi14414+3944282+1964282+19612706(Top 45%)3503(Top 29%)3503(Top 269%)
30K18.64 mi3.11 mi13956+4584078+2044078+20412364(Top 44%)3484(Top 28%)3484(Top 267%)
20M20.00 mi1.36 mi13664+2923944+1343944+13410784(Top 38%)2831(Top 23%)2831(Top 217%)
21M21.00 mi1.00 mi13538+1263912+323912+3212008(Top 42%)3601(Top 29%)3601(Top 276%)
35K21.75 mi0.75 mi13450+883890+223890+2211674(Top 41%)3476(Top 28%)3476(Top 267%)
23M23.00 mi1.25 mi13114+3363735+1553735+1558353(Top 29%)1982(Top 16%)1982(Top 152%)
24M24.00 mi1.00 mi12926+1883665+703665+709058(Top 32%)2366(Top 19%)2366(Top 182%)
40K24.85 mi0.85 mi12709+2173567+983567+988281(Top 29%)2130(Top 17%)2130(Top 163%)
25.2M25.20 mi0.35 mi12660+493551+163551+1610379(Top 37%)3215(Top 26%)3215(Top 247%)
Finish26.22 mi1.02 mi12534+1263518+333518+3310257(Top 36%)3117(Top 25%)3117(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14469

Females

4289

F50-54

4289

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15806

Females

5011

F50-54

5011

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14469

Females

4289

F50-54

4289

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13716

Females

3935

F50-54

3935

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14218

Females

4169

F50-54

4169

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12706

Females

3503

F50-54

3503

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12364

Females

3484

F50-54

3484

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10784

Females

2831

F50-54

2831

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

12008

Females

3601

F50-54

3601

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11674

Females

3476

F50-54

3476

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8353

Females

1982

F50-54

1982

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9058

Females

2366

F50-54

2366

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8281

Females

2130

F50-54

2130

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10379

Females

3215

F50-54

3215

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10257

Females

3117

F50-54

3117

Passing Analysis

Category:
Athletes Passed
3764
Passed By
588
Net Change
+3176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15710
5K → 10K280346-66#15710#15776
10K → 15K51139+472#15776#15304
15K → 20K48120+461#15304#14843
20K → Half5419+35#14843#14808
Half → 25K40915+394#14808#14414
25K → 30K50648+458#14414#13956
30K → 20M3008+292#13956#13664
20M → 21M16842+126#13664#13538
21M → 35K10214+88#13538#13450
35K → 23M3382+336#13450#13114
23M → 24M1935+188#13114#12926
24M → 40K2192+217#12926#12709
40K → 25.2M5910+49#12709#12660
25.2M → Finish14418+126#12660#12534
TOTALS3764588+3176
📊

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