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BOSTON MARATHON 2025

Xinyan Hu

Bib: 17534•F

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

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #6994
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
43:47
Rank: #8238 (-1244)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:06:52
Rank: #9116 (-878)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:31:52
Rank: #10696 (-1580)
15K → 20K
25:00 | 8:03/mi
Half· 13.11 mi
1:37:41
Rank: #11235 (-539)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:02:02
Rank: #14352 (-3117)
Half → 25K
24:21 | 10:03/mi
30K· 18.64 mi
2:30:36
Rank: #15365 (-1013)
25K → 30K
28:34 | 9:12/mi
20M
2:43:58
Rank: #15856 (-491)
30K → 20M
13:22 | 9:50/mi
21M
2:54:38
Rank: #16191 (-335)
20M → 21M
10:40 | 10:40/mi
35K· 21.75 mi
3:01:22
Rank: #16227 (-36)
21M → 35K
6:44 | 9:00/mi
23M
3:14:00
Rank: #16572 (-345)
35K → 23M
12:38 | 10:05/mi
24M
3:23:28
Rank: #16737 (-165)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:31:43
Rank: #16863 (-126)
24M → 40K
8:15 | 9:39/mi
25.2M
3:35:38
Rank: #16997 (-134)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
3:44:58
Rank: #17132 (-135)
25.2M → Finish
9:20 | 9:10/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:37:41
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time2:07:17
Pace9:43 /mi
📊Positive Split: 30.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:2721:246:5321:24
6:53
-
10K
6.21 mi11:33:5043:477:0322:23
7:12
+0:19
15K
9.32 mi11:56:551:06:527:1023:05
7:26
+0:14
20K
12.43 mi12:21:551:31:527:2425:00
8:03
+0:37
Half
13.11 mi12:27:441:37:417:275:49
8:32
+0:29
25K
15.53 mi12:52:052:02:027:5124:21
10:03
+1:31
30K
18.64 mi13:20:392:30:368:0528:34
9:12
-0:51
20M
20.00 mi13:34:012:43:588:1213:22
9:50
+0:38
21M
21.00 mi13:44:412:54:388:1910:40
10:40
+0:50
35K
21.75 mi13:51:253:01:228:206:44
9:00
-1:40
23M
23.00 mi14:04:033:14:008:2612:38
10:05
+1:05
24M
24.00 mi14:13:313:23:288:299:28
9:28
-0:37
40K
24.85 mi14:21:463:31:438:318:15
9:39
+0:11
25.2M
25.20 mi14:25:413:35:388:333:55
11:21
+1:42
Finish
26.22 mi14:35:013:44:588:359:20
9:10
-2:11

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:53 /mi

Average Pace

8:35 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:37:41

43% of race

Time at Steady Pace

1:02:21

28% of race

Time at Slower Pace

1:04:56

29% of race

Average Pace: 8:35 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:2721:246:5321:24
6:53
#6994
10K
6.21 mi11:33:5043:477:0322:23
7:12
#8238
15K
9.32 mi11:56:551:06:527:1023:05
7:26
#9116
20K
12.43 mi12:21:551:31:527:2425:00
8:03
#10696
Half
13.11 mi12:27:441:37:417:275:49
8:32
#11235
25K
15.53 mi12:52:052:02:027:5124:21
10:03
#14352
30K
18.64 mi13:20:392:30:368:0528:34
9:12
#15365
20M
20.00 mi13:34:012:43:588:1213:22
9:50
#15856
21M
21.00 mi13:44:412:54:388:1910:40
10:40
#16191
35K
21.75 mi13:51:253:01:228:206:44
9:00
#16227
23M
23.00 mi14:04:033:14:008:2612:38
10:05
#16572
24M
24.00 mi14:13:313:23:288:299:28
9:28
#16737
40K
24.85 mi14:21:463:31:438:318:15
9:39
#16863
25.2M
25.20 mi14:25:413:35:388:333:55
11:21
#16997
Finish
26.22 mi14:35:013:44:588:359:20
9:10
#17132
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi699469169111171(Top 39%)2463(Top 20%)2463(Top 45%)
10K6.21 mi3.10 mi8238-12441087-3961087-3969551(Top 34%)1627(Top 13%)1627(Top 30%)
15K9.32 mi3.11 mi9116-8781444-3571444-35711171(Top 39%)2463(Top 20%)2463(Top 45%)
20K12.43 mi3.11 mi10696-15802194-7502194-75015272(Top 54%)4791(Top 39%)4791(Top 88%)
Half13.11 mi0.68 mi11235-5392469-2752469-27519374(Top 68%)7095(Top 58%)7095(Top 130%)
25K15.53 mi2.42 mi14352-31174245-17764245-177623368(Top 82%)9403(Top 77%)9403(Top 172%)
30K18.64 mi3.11 mi15365-10134868-6234868-62318618(Top 66%)6899(Top 56%)6899(Top 126%)
20M20.00 mi1.36 mi15856-4915188-3205188-32020410(Top 72%)8022(Top 66%)8022(Top 147%)
21M21.00 mi1.00 mi16191-3355405-2175405-21720512(Top 72%)8185(Top 67%)8185(Top 150%)
35K21.75 mi0.75 mi16227-365448-435448-4318243(Top 64%)7035(Top 58%)7035(Top 129%)
23M23.00 mi1.25 mi16572-3455678-2305678-23020784(Top 73%)8441(Top 69%)8441(Top 154%)
24M24.00 mi1.00 mi16737-1655802-1245802-12419514(Top 69%)7828(Top 64%)7828(Top 143%)
40K24.85 mi0.85 mi16863-1265910-1085910-10819279(Top 68%)7770(Top 64%)7770(Top 142%)
25.2M25.20 mi0.35 mi16997-1346000-906000-9021684(Top 76%)8990(Top 74%)8990(Top 164%)
Finish26.22 mi1.02 mi17132-1356089-896089-8919786(Top 70%)8025(Top 66%)8025(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11171

Females

2463

F18-39

2463

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9551

Females

1627

F18-39

1627

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11171

Females

2463

F18-39

2463

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15272

Females

4791

F18-39

4791

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19374

Females

7095

F18-39

7095

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23368

Females

9403

F18-39

9403

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18618

Females

6899

F18-39

6899

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20410

Females

8022

F18-39

8022

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20512

Females

8185

F18-39

8185

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18243

Females

7035

F18-39

7035

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20784

Females

8441

F18-39

8441

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19514

Females

7828

F18-39

7828

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19279

Females

7770

F18-39

7770

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21684

Females

8990

F18-39

8990

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19786

Females

8025

F18-39

8025

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
425
Passed By
10561
Net Change
-10138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6994
5K → 10K161260-1244#6994#8238
10K → 15K30908-878#8238#9116
15K → 20K141592-1580#9116#10696
20K → Half1540-539#10696#11235
Half → 25K73124-3117#11235#14352
25K → 30K631076-1013#14352#15365
30K → 20M38529-491#15365#15856
20M → 21M34369-335#15856#16191
21M → 35K5490-36#16191#16227
35K → 23M39384-345#16227#16572
23M → 24M34199-165#16572#16737
24M → 40K47173-126#16737#16863
40K → 25.2M14148-134#16863#16997
25.2M → Finish34169-135#16997#17132
TOTALS42510561-10138
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing