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BOSTON MARATHON 2025

Hsiu-Hua Hsu

Bib: 20634•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:39/mi
26:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:42/mi
1:24:41
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
1:56:54
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:03:40
↑ 19↓ 370.5%
25K· 15.53 mi
10:47/mi
2:29:49
↑ 66↓ 880.2%
30K· 18.64 mi
11:49/mi
3:06:32
↑ 181↓ 1480.2%
20M
11:32/mi
3:22:12
↑ 64↓ 500.2%
21M
13:28/mi
3:35:40
↑ 106↓ 241.6%
35K· 21.75 mi
10:52/mi
3:43:48
↑ 17↓ 861.7%
23M
10:37/mi
3:57:06
↑ 23↓ 630.6%
24M
9:32/mi
4:06:38
↓ 821.3%
40K· 24.85 mi
12:16/mi
4:17:07
↓ 200.3%
25.2M
10:03/mi
4:20:35
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
4:30:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:40
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:26:37
Pace11:11 /mi
📊Positive Split: 18.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1426:548:3926:54
8:39
-
10K
6.21 mi11:52:5454:348:4727:40
8:54
+0:15
15K
9.32 mi12:23:011:24:419:0530:07
9:42
+0:48
20K
12.43 mi12:55:141:56:549:2432:13
10:22
+0:40
Half
13.11 mi13:02:002:03:409:266:46
9:55
-0:27
25K
15.53 mi13:28:092:29:499:3926:09
10:47
+0:52
30K
18.64 mi14:04:523:06:3210:0036:43
11:49
+1:02
20M
20.00 mi14:20:323:22:1210:0715:40
11:32
-0:17
21M
21.00 mi14:34:003:35:4010:1613:28
13:28
+1:56
35K
21.75 mi14:42:083:43:4810:178:08
10:52
-2:36
23M
23.00 mi14:55:263:57:0610:1913:18
10:37
-0:15
24M
24.00 mi15:04:584:06:3810:179:32
9:32
-1:05
40K
24.85 mi15:15:274:17:0710:2110:29
12:16
+2:44
25.2M
25.20 mi15:18:554:20:3510:203:28
10:03
-2:13
Finish
26.22 mi15:28:374:30:1710:199:42
9:31
-0:32

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

8:39 /mi

Average Pace

10:19 /mi

Slowest Pace

13:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:55

38% of race

Time at Steady Pace

1:30:02

33% of race

Time at Slower Pace

1:16:20

28% of race

Average Pace: 10:18 /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 mi11:25:1426:548:3926:54
8:39
#20810
10K
6.21 mi11:52:5454:348:4727:40
8:54
#21363
15K
9.32 mi12:23:011:24:419:0530:07
9:42
#22642
20K
12.43 mi12:55:141:56:549:2432:13
10:22
#23492
Half
13.11 mi13:02:002:03:409:266:46
9:55
#23568
25K
15.53 mi13:28:092:29:499:3926:09
10:47
#23819
30K
18.64 mi14:04:523:06:3210:0036:43
11:49
#24249
20M
20.00 mi14:20:323:22:1210:0715:40
11:32
#24281
21M
21.00 mi14:34:003:35:4010:1613:28
13:28
#24393
35K
21.75 mi14:42:083:43:4810:178:08
10:52
#24384
23M
23.00 mi14:55:263:57:0610:1913:18
10:37
#24274
24M
24.00 mi15:04:584:06:3810:179:32
9:32
#24115
40K
24.85 mi15:15:274:17:0710:2110:29
12:16
#24196
25.2M
25.20 mi15:18:554:20:3510:203:28
10:03
#24118
Finish
26.22 mi15:28:374:30:1710:199:42
9:31
#24047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi208107979797924264(Top 85%)9817(Top 80%)9817(Top 571%)
10K6.21 mi3.10 mi21363-5538254-2758254-27521966(Top 77%)8579(Top 70%)8579(Top 499%)
15K9.32 mi3.11 mi22642-12798933-6798933-67924264(Top 85%)9817(Top 80%)9817(Top 571%)
20K12.43 mi3.11 mi23492-8509399-4669399-46624967(Top 88%)10238(Top 84%)10238(Top 596%)
Half13.11 mi0.68 mi23568-769443-449443-4424671(Top 87%)10093(Top 83%)10093(Top 587%)
25K15.53 mi2.42 mi23819-2519597-1549597-15424883(Top 88%)10221(Top 84%)10221(Top 595%)
30K18.64 mi3.11 mi24249-4309866-2699866-26925346(Top 89%)10583(Top 87%)10583(Top 616%)
20M20.00 mi1.36 mi24281-329900-349900-3424586(Top 87%)10261(Top 84%)10261(Top 597%)
21M21.00 mi1.00 mi24393-1129978-789978-7825645(Top 90%)10876(Top 89%)10876(Top 633%)
35K21.75 mi0.75 mi24384+99980-29980-223958(Top 84%)10032(Top 82%)10032(Top 584%)
23M23.00 mi1.25 mi24274+1109938+429938+4222350(Top 79%)9257(Top 76%)9257(Top 539%)
24M24.00 mi1.00 mi24115+1599878+609878+6019770(Top 70%)7977(Top 65%)7977(Top 464%)
40K24.85 mi0.85 mi24196-819924-469924-4625338(Top 89%)10834(Top 89%)10834(Top 631%)
25.2M25.20 mi0.35 mi24118+789896+289896+2817358(Top 61%)6808(Top 56%)6808(Top 396%)
Finish26.22 mi1.02 mi24047+719865+319865+3121262(Top 75%)8800(Top 72%)8800(Top 512%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24264

Females

9817

F40-44

9817

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21966

Females

8579

F40-44

8579

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24264

Females

9817

F40-44

9817

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24967

Females

10238

F40-44

10238

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24671

Females

10093

F40-44

10093

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24883

Females

10221

F40-44

10221

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25346

Females

10583

F40-44

10583

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24586

Females

10261

F40-44

10261

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25645

Females

10876

F40-44

10876

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23958

Females

10032

F40-44

10032

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22350

Females

9257

F40-44

9257

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19770

Females

7977

F40-44

7977

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25338

Females

10834

F40-44

10834

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17358

Females

6808

F40-44

6808

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21262

Females

8800

F40-44

8800

Passing Analysis

Category:
Athletes Passed
839
Passed By
4076
Net Change
-3237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20810
5K → 10K94647-553#20810#21363
10K → 15K251304-1279#21363#22642
15K → 20K28878-850#22642#23492
20K → Half783-76#23492#23568
Half → 25K52303-251#23568#23819
25K → 30K44474-430#23819#24249
30K → 20M5789-32#24249#24281
20M → 21M30142-112#24281#24393
21M → 35K4334+9#24393#24384
35K → 23M12414+110#24384#24274
23M → 24M1601+159#24274#24115
24M → 40K19100-81#24115#24196
40K → 25.2M780+78#24196#24118
25.2M → Finish787+71#24118#24047
TOTALS8394076-3237
📊

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