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BOSTON MARATHON 2025

Xi Hua

Bib: 18502•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:43/mi
30:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:49/mi
1:00:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:39/mi
1:30:42
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
2:01:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:07:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:32:02
↑ 66↓ 880.2%
30K· 18.64 mi
11:11/mi
3:06:48
↑ 181↓ 1480.2%
20M
10:56/mi
3:21:40
↑ 64↓ 500.2%
21M
12:43/mi
3:34:23
↑ 106↓ 241.6%
35K· 21.75 mi
11:56/mi
3:43:19
↑ 17↓ 861.7%
23M
11:47/mi
3:58:04
↑ 23↓ 630.6%
24M
11:38/mi
4:09:42
↓ 821.3%
40K· 24.85 mi
12:02/mi
4:19:59
↓ 200.3%
25.2M
12:46/mi
4:24:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:46/mi
4:34:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:53
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:26:27
Pace11:10 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1730:129:4330:12
9:43
-
10K
6.21 mi11:58:471:00:429:4630:30
9:49
+0:06
15K
9.32 mi12:28:471:30:429:4430:00
9:39
-0:10
20K
12.43 mi12:59:262:01:219:4630:39
9:52
+0:13
Half
13.11 mi13:05:582:07:539:456:32
9:35
-0:17
25K
15.53 mi13:30:072:32:029:4724:09
9:58
+0:23
30K
18.64 mi14:04:533:06:4810:0134:46
11:11
+1:13
20M
20.00 mi14:19:453:21:4010:0514:52
10:56
-0:15
21M
21.00 mi14:32:283:34:2310:1312:43
12:43
+1:47
35K
21.75 mi14:41:243:43:1910:168:56
11:56
-0:47
23M
23.00 mi14:56:093:58:0410:2114:45
11:47
-0:09
24M
24.00 mi15:07:474:09:4210:2411:38
11:38
-0:09
40K
24.85 mi15:18:044:19:5910:2810:17
12:02
+0:24
25.2M
25.20 mi15:22:284:24:2310:294:24
12:46
+0:44
Finish
26.22 mi15:32:254:34:2010:289:57
9:46
-3:00

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

9:35 /mi

Average Pace

10:28 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:59

59% of race

Time at Steady Pace

49:38

18% of race

Time at Slower Pace

1:02:43

23% of race

Average Pace: 10:28 /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 mi11:28:1730:129:4330:12
9:43
#24904
10K
6.21 mi11:58:471:00:429:4630:30
9:49
#24902
15K
9.32 mi12:28:471:30:429:4430:00
9:39
#24658
20K
12.43 mi12:59:262:01:219:4630:39
9:52
#24463
Half
13.11 mi13:05:582:07:539:456:32
9:35
#24427
25K
15.53 mi13:30:072:32:029:4724:09
9:58
#24214
30K
18.64 mi14:04:533:06:4810:0134:46
11:11
#24279
20M
20.00 mi14:19:453:21:4010:0514:52
10:56
#24208
21M
21.00 mi14:32:283:34:2310:1312:43
12:43
#24248
35K
21.75 mi14:41:243:43:1910:168:56
11:56
#24329
23M
23.00 mi14:56:093:58:0410:2114:45
11:47
#24378
24M
24.00 mi15:07:474:09:4210:2411:38
11:38
#24422
40K
24.85 mi15:18:044:19:5910:2810:17
12:02
#24459
25.2M
25.20 mi15:22:284:24:2310:294:24
12:46
#24474
Finish
26.22 mi15:32:254:34:2010:289:57
9:46
#24393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24904101601016024167(Top 85%)9766(Top 80%)9766(Top 539%)
10K6.21 mi3.10 mi24902+210176-1610176-1624900(Top 88%)10180(Top 83%)10180(Top 562%)
15K9.32 mi3.11 mi24658+24410043+13310043+13324167(Top 85%)9766(Top 80%)9766(Top 539%)
20K12.43 mi3.11 mi24463+1959955+889955+8823938(Top 84%)9673(Top 79%)9673(Top 534%)
Half13.11 mi0.68 mi24427+369932+239932+2323817(Top 84%)9604(Top 79%)9604(Top 530%)
25K15.53 mi2.42 mi24214+2139828+1049828+10423164(Top 82%)9287(Top 76%)9287(Top 512%)
30K18.64 mi3.11 mi24279-659885-579885-5724356(Top 86%)10058(Top 82%)10058(Top 555%)
20M20.00 mi1.36 mi24208+719866+199866+1923484(Top 83%)9674(Top 79%)9674(Top 534%)
21M21.00 mi1.00 mi24248-409898-329898-3224701(Top 87%)10403(Top 85%)10403(Top 574%)
35K21.75 mi0.75 mi24329-819952-549952-5425789(Top 91%)10996(Top 90%)10996(Top 607%)
23M23.00 mi1.25 mi24378-499993-419993-4124738(Top 87%)10467(Top 86%)10467(Top 577%)
24M24.00 mi1.00 mi24422-4410026-3310026-3325140(Top 89%)10702(Top 88%)10702(Top 590%)
40K24.85 mi0.85 mi24459-3710058-3210058-3224976(Top 88%)10662(Top 87%)10662(Top 588%)
25.2M25.20 mi0.35 mi24474-1510072-1410072-1424698(Top 87%)10516(Top 86%)10516(Top 580%)
Finish26.22 mi1.02 mi24393+8110045+2710045+2722168(Top 78%)9255(Top 76%)9255(Top 510%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24167

Females

9766

F45-49

9766

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

24900

Females

10180

F45-49

10180

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24167

Females

9766

F45-49

9766

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23938

Females

9673

F45-49

9673

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23817

Females

9604

F45-49

9604

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23164

Females

9287

F45-49

9287

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24356

Females

10058

F45-49

10058

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23484

Females

9674

F45-49

9674

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24701

Females

10403

F45-49

10403

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25789

Females

10996

F45-49

10996

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24738

Females

10467

F45-49

10467

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25140

Females

10702

F45-49

10702

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24976

Females

10662

F45-49

10662

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24698

Females

10516

F45-49

10516

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22168

Females

9255

F45-49

9255

Passing Analysis

Category:
Athletes Passed
1484
Passed By
973
Net Change
+511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24904
5K → 10K194192+2#24904#24902
10K → 15K28339+244#24902#24658
15K → 20K24146+195#24658#24463
20K → Half4610+36#24463#24427
Half → 25K24431+213#24427#24214
25K → 30K122187-65#24214#24279
30K → 20M10837+71#24279#24208
20M → 21M4585-40#24208#24248
21M → 35K1495-81#24248#24329
35K → 23M4089-49#24329#24378
23M → 24M3175-44#24378#24422
24M → 40K2057-37#24422#24459
40K → 25.2M1126-15#24459#24474
25.2M → Finish854+81#24474#24393
TOTALS1484973+511
📊

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