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BOSTON MARATHON 2025

Hui Xu

Bib: 19060•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Masters (Masters Women)
#0 / 6759
Top 12%
Division (F45-49)
#0 / 1813
Top 13%
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
7:51/mi
24:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
47:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:11:04
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:35:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:59:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:25:12
↑ 181↓ 1480.2%
20M
8:07/mi
2:36:14
↑ 64↓ 500.2%
21M
8:27/mi
2:44:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:50:23
↑ 17↓ 861.7%
23M
8:02/mi
3:00:27
↑ 23↓ 630.6%
24M
7:54/mi
3:08:21
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:15:09
↓ 200.3%
25.2M
8:13/mi
3:17:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:25:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:31
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:45:04
Pace8:01 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0224:227:5124:22
7:51
-
10K
6.21 mi11:38:1347:337:3923:11
7:28
-0:23
15K
9.32 mi12:01:441:11:047:3723:31
7:34
+0:06
20K
12.43 mi12:25:531:35:137:4024:09
7:46
+0:12
Half
13.11 mi12:31:111:40:317:405:18
7:46
0:00
25K
15.53 mi12:50:391:59:597:4319:28
8:02
+0:16
30K
18.64 mi13:15:522:25:127:4725:13
8:07
+0:05
20M
20.00 mi13:26:542:36:147:4911:02
8:07
0:00
21M
21.00 mi13:35:212:44:417:518:27
8:27
+0:20
35K
21.75 mi13:41:032:50:237:505:42
7:37
-0:50
23M
23.00 mi13:51:073:00:277:5110:04
8:02
+0:25
24M
24.00 mi13:59:013:08:217:517:54
7:54
-0:08
40K
24.85 mi14:05:493:15:097:516:48
7:57
+0:03
25.2M
25.20 mi14:08:393:17:597:512:50
8:13
+0:16
Finish
26.22 mi14:16:153:25:357:517:36
7:27
-0:46

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

7:27 /mi

Average Pace

7:51 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:18

95% of race

Time at Steady Pace

11:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi11:15:0224:227:5124:22
7:51
#15202
10K
6.21 mi11:38:1347:337:3923:11
7:28
#13526
15K
9.32 mi12:01:441:11:047:3723:31
7:34
#13088
20K
12.43 mi12:25:531:35:137:4024:09
7:46
#13026
Half
13.11 mi12:31:111:40:317:405:18
7:46
#13082
25K
15.53 mi12:50:391:59:597:4319:28
8:02
#13228
30K
18.64 mi13:15:522:25:127:4725:13
8:07
#12986
20M
20.00 mi13:26:542:36:147:4911:02
8:07
#12829
21M
21.00 mi13:35:212:44:417:518:27
8:27
#12636
35K
21.75 mi13:41:032:50:237:505:42
7:37
#12498
23M
23.00 mi13:51:073:00:277:5110:04
8:02
#12322
24M
24.00 mi13:59:013:08:217:517:54
7:54
#12239
40K
24.85 mi14:05:493:15:097:516:48
7:57
#12117
25.2M
25.20 mi14:08:393:17:597:512:50
8:13
#12010
Finish
26.22 mi14:16:153:25:357:517:36
7:27
#11866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi152024649464912341(Top 43%)3083(Top 25%)3083(Top 170%)
10K6.21 mi3.10 mi13526+16763660+9893660+98911752(Top 41%)2694(Top 22%)2694(Top 149%)
15K9.32 mi3.11 mi13088+4383443+2173443+21712341(Top 43%)3083(Top 25%)3083(Top 170%)
20K12.43 mi3.11 mi13026+623462-193462-1913054(Top 46%)3577(Top 29%)3577(Top 197%)
Half13.11 mi0.68 mi13082-563494-323494-3214005(Top 49%)4038(Top 33%)4038(Top 223%)
25K15.53 mi2.42 mi13228-1463613-1193613-11914122(Top 50%)4256(Top 35%)4256(Top 235%)
30K18.64 mi3.11 mi12986+2423544+693544+6912222(Top 43%)3398(Top 28%)3398(Top 187%)
20M20.00 mi1.36 mi12829+1573484+603484+6011265(Top 40%)3070(Top 25%)3070(Top 169%)
21M21.00 mi1.00 mi12636+1933408+763408+7610187(Top 36%)2702(Top 22%)2702(Top 149%)
35K21.75 mi0.75 mi12498+1383364+443364+449541(Top 34%)2396(Top 20%)2396(Top 132%)
23M23.00 mi1.25 mi12322+1763308+563308+5610361(Top 36%)2919(Top 24%)2919(Top 161%)
24M24.00 mi1.00 mi12239+833293+153293+1510570(Top 37%)3081(Top 25%)3081(Top 170%)
40K24.85 mi0.85 mi12117+1223263+303263+309895(Top 35%)2875(Top 24%)2875(Top 159%)
25.2M25.20 mi0.35 mi12010+1073229+343229+347279(Top 26%)1795(Top 15%)1795(Top 99%)
Finish26.22 mi1.02 mi11866+1443186+433186+438935(Top 31%)2509(Top 21%)2509(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

12341

Females

3083

F45-49

3083

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11752

Females

2694

F45-49

2694

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

12341

Females

3083

F45-49

3083

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13054

Females

3577

F45-49

3577

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

14005

Females

4038

F45-49

4038

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14122

Females

4256

F45-49

4256

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12222

Females

3398

F45-49

3398

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11265

Females

3070

F45-49

3070

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10187

Females

2702

F45-49

2702

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9541

Females

2396

F45-49

2396

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10361

Females

2919

F45-49

2919

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10570

Females

3081

F45-49

3081

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9895

Females

2875

F45-49

2875

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7279

Females

1795

F45-49

1795

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8935

Females

2509

F45-49

2509

Passing Analysis

Category:
Athletes Passed
4190
Passed By
854
Net Change
+3336
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15202
5K → 10K168913+1676#15202#13526
10K → 15K48345+438#13526#13088
15K → 20K237175+62#13088#13026
20K → Half2177-56#13026#13082
Half → 25K120266-146#13082#13228
25K → 30K357115+242#13228#12986
30K → 20M20245+157#12986#12829
20M → 21M21421+193#12829#12636
21M → 35K1446+138#12636#12498
35K → 23M19519+176#12498#12322
23M → 24M11835+83#12322#12239
24M → 40K13715+122#12239#12117
40K → 25.2M1092+107#12117#12010
25.2M → Finish16420+144#12010#11866
TOTALS4190854+3336
📊

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