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BOSTON MARATHON 2025

Yu-Ting Lin

Bib: 9645•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #6481
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:15
Rank: #6301 (+180)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:03:32
Rank: #6368 (-67)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:25:01
Rank: #6328 (+40)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:40
Rank: #6317 (+11)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:46:48
Rank: #6387 (-70)
Half → 25K
17:08 | 7:04/mi
30K· 18.64 mi
2:10:46
Rank: #6773 (-386)
25K → 30K
23:58 | 7:43/mi
20M
2:21:21
Rank: #6816 (-43)
30K → 20M
10:35 | 7:47/mi
21M
2:29:42
Rank: #6903 (-87)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:35:24
Rank: #6971 (-68)
21M → 35K
5:42 | 7:37/mi
23M
2:45:37
Rank: #7107 (-136)
35K → 23M
10:13 | 8:10/mi
24M
2:53:43
Rank: #7261 (-154)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:00:36
Rank: #7330 (-69)
24M → 40K
6:53 | 8:03/mi
25.2M
3:03:39
Rank: #7368 (-38)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:11:09
Rank: #7366 (+2)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:40
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:41:29
Pace7:44 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4921:116:4921:11
6:49
-
10K
6.21 mi11:07:5342:156:4821:04
6:47
-0:02
15K
9.32 mi11:29:101:03:326:4921:17
6:51
+0:04
20K
12.43 mi11:50:391:25:016:5021:29
6:55
+0:04
Half
13.11 mi11:55:181:29:406:504:39
6:49
-0:06
25K
15.53 mi12:12:261:46:486:5317:08
7:04
+0:15
30K
18.64 mi12:36:242:10:467:0123:58
7:43
+0:39
20M
20.00 mi12:46:592:21:217:0410:35
7:47
+0:04
21M
21.00 mi12:55:202:29:427:088:21
8:21
+0:34
35K
21.75 mi13:01:022:35:247:095:42
7:37
-0:44
23M
23.00 mi13:11:152:45:377:1210:13
8:10
+0:33
24M
24.00 mi13:19:212:53:437:148:06
8:06
-0:04
40K
24.85 mi13:26:143:00:367:166:53
8:03
-0:03
25.2M
25.20 mi13:29:173:03:397:173:03
8:51
+0:48
Finish
26.22 mi13:36:473:11:097:187:30
7:22
-1:29

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

6:47 /mi

Average Pace

7:18 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:48

56% of race

Time at Steady Pace

47:45

25% of race

Time at Slower Pace

36:36

19% of race

Average Pace: 7:17 /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 mi10:46:4921:116:4921:11
6:49
#6481
10K
6.21 mi11:07:5342:156:4821:04
6:47
#6301
15K
9.32 mi11:29:101:03:326:4921:17
6:51
#6368
20K
12.43 mi11:50:391:25:016:5021:29
6:55
#6328
Half
13.11 mi11:55:181:29:406:504:39
6:49
#6317
25K
15.53 mi12:12:261:46:486:5317:08
7:04
#6387
30K
18.64 mi12:36:242:10:467:0123:58
7:43
#6773
20M
20.00 mi12:46:592:21:217:0410:35
7:47
#6816
21M
21.00 mi12:55:202:29:427:088:21
8:21
#6903
35K
21.75 mi13:01:022:35:247:095:42
7:37
#6971
23M
23.00 mi13:11:152:45:377:1210:13
8:10
#7107
24M
24.00 mi13:19:212:53:437:148:06
8:06
#7261
40K
24.85 mi13:26:143:00:367:166:53
8:03
#7330
25.2M
25.20 mi13:29:173:03:397:173:03
8:51
#7368
Finish
26.22 mi13:36:473:11:097:187:30
7:22
#7366
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64815695696605(Top 23%)642(Top 5%)642(Top 12%)
10K6.21 mi3.10 mi6301+180523+46523+466210(Top 22%)545(Top 4%)545(Top 10%)
15K9.32 mi3.11 mi6368-67556-33556-336605(Top 23%)642(Top 5%)642(Top 12%)
20K12.43 mi3.11 mi6328+40572-16572-166324(Top 22%)628(Top 5%)628(Top 11%)
Half13.11 mi0.68 mi6317+115725726373(Top 22%)635(Top 5%)635(Top 12%)
25K15.53 mi2.42 mi6387-70598-26598-266771(Top 24%)800(Top 7%)800(Top 15%)
30K18.64 mi3.11 mi6773-386722-124722-1249285(Top 33%)1953(Top 16%)1953(Top 36%)
20M20.00 mi1.36 mi6816-43758-36758-368949(Top 32%)1956(Top 16%)1956(Top 36%)
21M21.00 mi1.00 mi6903-87797-39797-399534(Top 34%)2380(Top 19%)2380(Top 44%)
35K21.75 mi0.75 mi6971-68836-39836-399480(Top 33%)2335(Top 19%)2335(Top 43%)
23M23.00 mi1.25 mi7107-136922-86922-8611123(Top 39%)3280(Top 27%)3280(Top 60%)
24M24.00 mi1.00 mi7261-1541008-861008-8611905(Top 42%)3744(Top 31%)3744(Top 68%)
40K24.85 mi0.85 mi7330-691061-531061-5310565(Top 37%)3189(Top 26%)3189(Top 58%)
25.2M25.20 mi0.35 mi7368-381089-281089-2810927(Top 38%)3421(Top 28%)3421(Top 63%)
Finish26.22 mi1.02 mi7366+21117-281117-288207(Top 29%)2143(Top 18%)2143(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6605

Females

642

F18-39

642

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6210

Females

545

F18-39

545

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6605

Females

642

F18-39

642

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6324

Females

628

F18-39

628

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6373

Females

635

F18-39

635

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6771

Females

800

F18-39

800

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9285

Females

1953

F18-39

1953

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8949

Females

1956

F18-39

1956

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9534

Females

2380

F18-39

2380

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9480

Females

2335

F18-39

2335

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

11123

Females

3280

F18-39

3280

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11905

Females

3744

F18-39

3744

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10565

Females

3189

F18-39

3189

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10927

Females

3421

F18-39

3421

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8207

Females

2143

F18-39

2143

Passing Analysis

Category:
Athletes Passed
1170
Passed By
2055
Net Change
-885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6481
5K → 10K288108+180#6481#6301
10K → 15K122189-67#6301#6368
15K → 20K155115+40#6368#6328
20K → Half3322+11#6328#6317
Half → 25K99169-70#6317#6387
25K → 30K84470-386#6387#6773
30K → 20M79122-43#6773#6816
20M → 21M64151-87#6816#6903
21M → 35K35103-68#6903#6971
35K → 23M51187-136#6971#7107
23M → 24M38192-154#7107#7261
24M → 40K43112-69#7261#7330
40K → 25.2M1755-38#7330#7368
25.2M → Finish6260+2#7368#7366
TOTALS11702055-885
📊

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