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BOSTON MARATHON 2025

Hsueh Han Lien

Bib: 12338 F TW

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:17/mi
25:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:46/mi
52:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:29/mi
1:19:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:40/mi
1:46:15
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:24/mi
1:51:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:43/mi
2:13:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:02/mi
2:41:09
↑ 181↓ 1480.2%
138 ft elev
20M
8:59/mi
2:53:22
↑ 64↓ 500.2%
148 ft elev
21M
9:27/mi
3:02:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:19/mi
3:09:47
↑ 17↓ 861.7%
156 ft elev
23M
9:05/mi
3:21:10
↑ 23↓ 630.6%
116 ft elev
24M
9:04/mi
3:30:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:04/mi
3:37:59
↓ 200.3%
20 ft elev
25.2M
9:37/mi
3:41:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:50/mi
3:50:18
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:598:33 /mi⚡ faster
2nd Half
1:58:199:02 /mi+5.7%
Positive split — 5.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:448:173.11 mi25:44
8:17
-
10K
52:588:313.10 mi27:14
8:46
+0:29
15K
1:19:208:313.11 mi26:22
8:29
-0:17
20K
1:46:158:333.11 mi26:55
8:40
+0:11
Half(13.11 mi)
1:51:598:330.68 mi5:44
8:24
-0:16
25K
2:13:068:342.42 mi21:07
8:43
+0:19
30K
2:41:098:393.11 mi28:03
9:02
+0:19
20M
2:53:228:401.36 mi12:13
8:59
-0:03
21M
3:02:498:421.00 mi9:27
9:27
+0:28
35K
3:09:478:440.75 mi6:58
9:19
-0:08
23M
3:21:108:451.25 mi11:23
9:05
-0:14
24M
3:30:148:461.00 mi9:04
9:04
-0:01
40K
3:37:598:460.85 mi7:45
9:04
0:00
25.2M
3:41:188:470.35 mi3:19
9:37
+0:33
Finish(26.22 mi)
3:50:188:471.02 mi9:00
8:50
-0:47
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:17 /mi

Average Pace

8:47 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:30:34

91% of race

Time at Steady Pace

19:44

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi18616669366931925770377037
10K3.10 mi19978-13627456-7637456-7632123081578157
15K3.11 mi19751+2277323+1337323+1331925770377037
20K3.11 mi19583+1687234+897234+891922470357035
Half(13.11 mi)0.68 mi19538+457210+247210+241865267116711
25K2.42 mi19318+2207098+1127098+1121846366866686
30K3.11 mi19014+3046962+1366962+1361783764966496
20M1.36 mi18840+1746878+846878+841676960226022
21M1.00 mi18649+1916804+746804+741588756565656
35K0.75 mi18692-436844-406844-401963377817781
23M1.25 mi18559+1336798+466798+461679863376337
24M1.00 mi18526+336811-136811-131772168876887
40K0.85 mi18430+966783+286783+281671964376437
25.2M0.35 mi18381+496765+186765+181527957205720
Finish(26.22 mi)1.02 mi18385-46796-316796-311822471987198

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19257

Females

7037

F18-39

7037

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21230

Females

8157

F18-39

8157

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19257

Females

7037

F18-39

7037

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19224

Females

7035

F18-39

7035

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18652

Females

6711

F18-39

6711

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18463

Females

6686

F18-39

6686

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17837

Females

6496

F18-39

6496

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16769

Females

6022

F18-39

6022

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15887

Females

5656

F18-39

5656

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19633

Females

7781

F18-39

7781

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16798

Females

6337

F18-39

6337

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17721

Females

6887

F18-39

6887

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16719

Females

6437

F18-39

6437

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15279

Females

5720

F18-39

5720

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18224

Females

7198

F18-39

7198

Passing Analysis

Category:
Passed
2300
Passed By
2069
Net Change
+231
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18616
5K → 10K391401-1362#18616#19978
10K → 15K31487+227#19978#19751
15K → 20K284116+168#19751#19583
20K → Half6217+45#19583#19538
Half → 25K27959+220#19538#19318
25K → 30K38480+304#19318#19014
30K → 20M19824+174#19014#18840
20M → 21M21019+191#18840#18649
21M → 35K4285-43#18649#18692
35K → 23M17239+133#18692#18559
23M → 24M9057+33#18559#18526
24M → 40K12024+96#18526#18430
40K → 25.2M512+49#18430#18381
25.2M → Finish5559-4#18381#18385
TOTALS23002069+231

Passing Charts

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