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BOSTON MARATHON 2025

Qinglexia Xia

Bib: 10040•F

NY

0:00
0:00
/ mi
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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
28:22
Rank: #22969
Start → 5K
9:08/mi
28:22 split
10K· 6.21 mi
57:43
Rank: #23513 (-544)
5K → 10K
9:27/mi
29:21 split
15K· 9.32 mi
1:27:43
Rank: #23784 (-271)
10K → 15K
9:39/mi
30:00 split
20K· 12.43 mi
1:56:44
Rank: #23441 (+343)
15K → 20K
9:20/mi
29:01 split
Half· 13.11 mi
2:02:50
Rank: #23339 (+102)
20K → Half
8:56/mi
6:06 split
25K· 15.53 mi
2:26:08
Rank: #23150 (+189)
Half → 25K
9:37/mi
23:18 split
30K· 18.64 mi
3:01:07
Rank: #23453 (-303)
25K → 30K
11:16/mi
34:59 split
20M
3:15:12
Rank: #23308 (+145)
30K → 20M
10:22/mi
14:05 split
21M
3:26:23
Rank: #23227 (+81)
20M → 21M
11:11/mi
11:11 split
35K· 21.75 mi
3:34:30
Rank: #23263 (-36)
21M → 35K
10:51/mi
8:07 split
23M
3:47:26
Rank: #23166 (+97)
35K → 23M
10:20/mi
12:56 split
24M
3:57:32
Rank: #23094 (+72)
23M → 24M
10:06/mi
10:06 split
40K· 24.85 mi
4:06:37
Rank: #23050 (+44)
24M → 40K
10:37/mi
9:05 split
25.2M
4:10:30
Rank: #23033 (+17)
40K → 25.2M
11:16/mi
3:53 split
Finish· 26.22 mi
4:20:39
Rank: #23024 (+9)
25.2M → Finish
9:58/mi
10:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:50
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:17:49
Pace10:31 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:0128:229:0828:22
9:08
-
10K
6.21 mi11:33:2257:439:1729:21
9:27
+0:19
15K
9.32 mi12:03:221:27:439:2530:00
9:39
+0:12
20K
12.43 mi12:32:231:56:449:2429:01
9:20
-0:19
Half
13.11 mi12:38:292:02:509:226:06
8:56
-0:24
25K
15.53 mi13:01:472:26:089:2423:18
9:37
+0:41
30K
18.64 mi13:36:463:01:079:4334:59
11:16
+1:39
20M
20.00 mi13:50:513:15:129:4614:05
10:22
-0:54
21M
21.00 mi14:02:023:26:239:5011:11
11:11
+0:49
35K
21.75 mi14:10:093:34:309:528:07
10:51
-0:20
23M
23.00 mi14:23:053:47:269:5312:56
10:20
-0:31
24M
24.00 mi14:33:113:57:329:5410:06
10:06
-0:14
40K
24.85 mi14:42:164:06:379:559:05
10:37
+0:31
25.2M
25.20 mi14:46:094:10:309:563:53
11:16
+0:39
Finish
26.22 mi14:56:184:20:399:5710:09
9:58
-1:18

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

8:56 /mi

Average Pace

9:57 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:08

56% of race

Time at Steady Pace

47:16

18% of race

Time at Slower Pace

1:07:15

26% of race

Average Pace: 9:56 /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 mi11:04:0128:229:0828:22
9:08
#22969
10K
6.21 mi11:33:2257:439:1729:21
9:27
#23513
15K
9.32 mi12:03:221:27:439:2530:00
9:39
#23784
20K
12.43 mi12:32:231:56:449:2429:01
9:20
#23441
Half
13.11 mi12:38:292:02:509:226:06
8:56
#23339
25K
15.53 mi13:01:472:26:089:2423:18
9:37
#23150
30K
18.64 mi13:36:463:01:079:4334:59
11:16
#23453
20M
20.00 mi13:50:513:15:129:4614:05
10:22
#23308
21M
21.00 mi14:02:023:26:239:5011:11
11:11
#23227
35K
21.75 mi14:10:093:34:309:528:07
10:51
#23263
23M
23.00 mi14:23:053:47:269:5312:56
10:20
#23166
24M
24.00 mi14:33:113:57:329:5410:06
10:06
#23094
40K
24.85 mi14:42:164:06:379:559:05
10:37
#23050
25.2M
25.20 mi14:46:094:10:309:563:53
11:16
#23033
Finish
26.22 mi14:56:184:20:399:5710:09
9:58
#23024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229699153915324161(Top 85%)9760(Top 80%)9760(Top 178%)
10K6.21 mi3.10 mi23513-5449429-2769429-27623975(Top 84%)9666(Top 79%)9666(Top 177%)
15K9.32 mi3.11 mi23784-2719565-1369565-13624161(Top 85%)9760(Top 80%)9760(Top 178%)
20K12.43 mi3.11 mi23441+3439365+2009365+20022398(Top 79%)8803(Top 72%)8803(Top 161%)
Half13.11 mi0.68 mi23339+1029309+569309+5621625(Top 76%)8394(Top 69%)8394(Top 153%)
25K15.53 mi2.42 mi23150+1899220+899220+8922234(Top 78%)8780(Top 72%)8780(Top 161%)
30K18.64 mi3.11 mi23453-3039432-2129432-21224485(Top 86%)10121(Top 83%)10121(Top 185%)
20M20.00 mi1.36 mi23308+1459366+669366+6622062(Top 78%)8925(Top 73%)8925(Top 163%)
21M21.00 mi1.00 mi23227+819349+179349+1721880(Top 77%)8910(Top 73%)8910(Top 163%)
35K21.75 mi0.75 mi23263-369382-339382-3323923(Top 84%)10014(Top 82%)10014(Top 183%)
23M23.00 mi1.25 mi23166+979359+239359+2321531(Top 76%)8837(Top 72%)8837(Top 162%)
24M24.00 mi1.00 mi23094+729340+199340+1921664(Top 76%)8952(Top 73%)8952(Top 164%)
40K24.85 mi0.85 mi23050+449334+69334+622262(Top 78%)9343(Top 76%)9343(Top 171%)
25.2M25.20 mi0.35 mi23033+179328+69328+621467(Top 76%)8900(Top 73%)8900(Top 163%)
Finish26.22 mi1.02 mi23024+99332-49332-422826(Top 80%)9584(Top 78%)9584(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24161

Females

9760

F18-39

9760

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23975

Females

9666

F18-39

9666

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24161

Females

9760

F18-39

9760

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22398

Females

8803

F18-39

8803

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21625

Females

8394

F18-39

8394

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22234

Females

8780

F18-39

8780

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24485

Females

10121

F18-39

10121

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22062

Females

8925

F18-39

8925

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21880

Females

8910

F18-39

8910

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23923

Females

10014

F18-39

10014

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21531

Females

8837

F18-39

8837

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21664

Females

8952

F18-39

8952

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22262

Females

9343

F18-39

9343

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21467

Females

8900

F18-39

8900

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22826

Females

9584

F18-39

9584

Passing Analysis

Category:
Athletes Passed
1575
Passed By
1630
Net Change
-55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22969
5K → 10K75619-544#22969#23513
10K → 15K88359-271#23513#23784
15K → 20K36421+343#23784#23441
20K → Half1042+102#23441#23339
Half → 25K22435+189#23339#23150
25K → 30K77380-303#23150#23453
30K → 20M15914+145#23453#23308
20M → 21M11029+81#23308#23227
21M → 35K2864-36#23227#23263
35K → 23M12427+97#23263#23166
23M → 24M8513+72#23166#23094
24M → 40K7228+44#23094#23050
40K → 25.2M258+17#23050#23033
25.2M → Finish4031+9#23033#23024
TOTALS15751630-55
📊

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