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BOSTON MARATHON 2025

Christina Huang

Bib: 16505•F

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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

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #12668
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
46:39
Rank: #12209 (+459)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:10:34
Rank: #12608 (-399)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:35:03
Rank: #12917 (-309)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:40:29
Rank: #13061 (-144)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:00:31
Rank: #13515 (-454)
Half → 25K
20:02 | 8:16/mi
30K· 18.64 mi
2:28:26
Rank: #14396 (-881)
25K → 30K
27:55 | 8:59/mi
20M
2:42:03
Rank: #15164 (-768)
30K → 20M
13:37 | 10:01/mi
21M
2:53:46
Rank: #15912 (-748)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
3:00:44
Rank: #16053 (-141)
21M → 35K
6:58 | 9:19/mi
23M
3:14:21
Rank: #16690 (-637)
35K → 23M
13:37 | 10:53/mi
24M
3:27:18
Rank: #17748 (-1058)
23M → 24M
12:57 | 12:57/mi
40K· 24.85 mi
3:35:16
Rank: #17767 (-19)
24M → 40K
7:58 | 9:19/mi
25.2M
3:38:50
Rank: #17777 (-10)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:48:21
Rank: #17926 (-149)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:29
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time2:07:52
Pace9:45 /mi
📊Positive Split: 27.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2923:277:3323:27
7:33
-
10K
6.21 mi12:09:4146:397:3023:12
7:28
-0:05
15K
9.32 mi12:33:361:10:347:3423:55
7:42
+0:14
20K
12.43 mi12:58:051:35:037:3924:29
7:53
+0:11
Half
13.11 mi13:03:311:40:297:405:26
7:58
+0:05
25K
15.53 mi13:23:332:00:317:4520:02
8:16
+0:18
30K
18.64 mi13:51:282:28:267:5827:55
8:59
+0:43
20M
20.00 mi14:05:052:42:038:0613:37
10:01
+1:02
21M
21.00 mi14:16:482:53:468:1611:43
11:43
+1:42
35K
21.75 mi14:23:463:00:448:196:58
9:19
-2:24
23M
23.00 mi14:37:233:14:218:2713:37
10:53
+1:34
24M
24.00 mi14:50:203:27:188:3812:57
12:57
+2:04
40K
24.85 mi14:58:183:35:168:407:58
9:19
-3:38
25.2M
25.20 mi15:01:523:38:508:413:34
10:21
+1:02
Finish
26.22 mi15:11:233:48:218:439:31
9:20
-1:01

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

7:28 /mi

Average Pace

8:43 /mi

Slowest Pace

12:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:31

53% of race

Time at Steady Pace

1:05:59

29% of race

Time at Slower Pace

41:51

18% of race

Average Pace: 8:43 /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 mi11:46:2923:277:3323:27
7:33
#12668
10K
6.21 mi12:09:4146:397:3023:12
7:28
#12209
15K
9.32 mi12:33:361:10:347:3423:55
7:42
#12608
20K
12.43 mi12:58:051:35:037:3924:29
7:53
#12917
Half
13.11 mi13:03:311:40:297:405:26
7:58
#13061
25K
15.53 mi13:23:332:00:317:4520:02
8:16
#13515
30K
18.64 mi13:51:282:28:267:5827:55
8:59
#14396
20M
20.00 mi14:05:052:42:038:0613:37
10:01
#15164
21M
21.00 mi14:16:482:53:468:1611:43
11:43
#15912
35K
21.75 mi14:23:463:00:448:196:58
9:19
#16053
23M
23.00 mi14:37:233:14:218:2713:37
10:53
#16690
24M
24.00 mi14:50:203:27:188:3812:57
12:57
#17748
40K
24.85 mi14:58:183:35:168:407:58
9:19
#17767
25.2M
25.20 mi15:01:523:38:508:413:34
10:21
#17777
Finish
26.22 mi15:11:233:48:218:439:31
9:20
#17926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126683148314813507(Top 48%)3745(Top 31%)3745(Top 68%)
10K6.21 mi3.10 mi12209+4592919+2292919+22911810(Top 42%)2724(Top 22%)2724(Top 50%)
15K9.32 mi3.11 mi12608-3993160-2413160-24113507(Top 48%)3745(Top 31%)3745(Top 68%)
20K12.43 mi3.11 mi12917-3093400-2403400-24013951(Top 49%)4071(Top 33%)4071(Top 74%)
Half13.11 mi0.68 mi13061-1443483-833483-8315704(Top 55%)5024(Top 41%)5024(Top 92%)
25K15.53 mi2.42 mi13515-4543780-2973780-29715700(Top 55%)5134(Top 42%)5134(Top 94%)
30K18.64 mi3.11 mi14396-8814333-5534333-55317627(Top 62%)6374(Top 52%)6374(Top 117%)
20M20.00 mi1.36 mi15164-7684794-4614794-46121010(Top 74%)8359(Top 68%)8359(Top 153%)
21M21.00 mi1.00 mi15912-7485258-4645258-46423061(Top 81%)9525(Top 78%)9525(Top 174%)
35K21.75 mi0.75 mi16053-1415353-955353-9519630(Top 69%)7778(Top 64%)7778(Top 142%)
23M23.00 mi1.25 mi16690-6375749-3965749-39622944(Top 81%)9572(Top 78%)9572(Top 175%)
24M24.00 mi1.00 mi17748-10586396-6476396-64726809(Top 94%)11537(Top 94%)11537(Top 211%)
40K24.85 mi0.85 mi17767-196422-266422-2617946(Top 63%)7100(Top 58%)7100(Top 130%)
25.2M25.20 mi0.35 mi17777-106436-146436-1418472(Top 65%)7361(Top 60%)7361(Top 135%)
Finish26.22 mi1.02 mi17926-1496526-906526-9020546(Top 72%)8413(Top 69%)8413(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13507

Females

3745

F18-39

3745

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11810

Females

2724

F18-39

2724

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13507

Females

3745

F18-39

3745

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13951

Females

4071

F18-39

4071

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15704

Females

5024

F18-39

5024

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15700

Females

5134

F18-39

5134

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17627

Females

6374

F18-39

6374

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

21010

Females

8359

F18-39

8359

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23061

Females

9525

F18-39

9525

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19630

Females

7778

F18-39

7778

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22944

Females

9572

F18-39

9572

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26809

Females

11537

F18-39

11537

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17946

Females

7100

F18-39

7100

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18472

Females

7361

F18-39

7361

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20546

Females

8413

F18-39

8413

Passing Analysis

Category:
Athletes Passed
1148
Passed By
6406
Net Change
-5258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12668
5K → 10K561102+459#12668#12209
10K → 15K81480-399#12209#12608
15K → 20K120429-309#12608#12917
20K → Half10154-144#12917#13061
Half → 25K69523-454#13061#13515
25K → 30K88969-881#13515#14396
30K → 20M27795-768#14396#15164
20M → 21M13761-748#15164#15912
21M → 35K36177-141#15912#16053
35K → 23M19656-637#16053#16690
23M → 24M111069-1058#16690#17748
24M → 40K5271-19#17748#17767
40K → 25.2M3040-10#17767#17777
25.2M → Finish31180-149#17777#17926
TOTALS11486406-5258
📊

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