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BOSTON MARATHON 2023

Xia Xiu

Bib: 24281•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:14
Rank: #19281
Start → 5K
27:14 | 8:46/mi
10K· 6.21 mi
54:12
Rank: #19271 (+10)
5K → 10K
26:58 | 8:41/mi
15K· 9.32 mi
1:22:07
Rank: #19656 (-385)
10K → 15K
27:55 | 8:59/mi
20K· 12.43 mi
1:50:57
Rank: #20007 (-351)
15K → 20K
28:50 | 9:17/mi
Half· 13.11 mi
1:57:15
Rank: #20098 (-91)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:20:36
Rank: #20364 (-266)
Half → 25K
23:21 | 9:38/mi
30K· 18.64 mi
2:54:27
Rank: #21041 (-677)
25K → 30K
33:51 | 10:54/mi
20M
3:09:43
Rank: #21236 (-195)
30K → 20M
15:16 | 11:14/mi
21M
3:21:45
Rank: #21365 (-129)
20M → 21M
12:02 | 12:02/mi
35K· 21.75 mi
3:30:00
Rank: #21474 (-109)
21M → 35K
8:15 | 11:02/mi
23M
3:44:19
Rank: #21613 (-139)
35K → 23M
14:19 | 11:26/mi
24M
3:55:06
Rank: #21678 (-65)
23M → 24M
10:47 | 10:47/mi
40K· 24.85 mi
4:04:18
Rank: #21686 (-8)
24M → 40K
9:12 | 10:46/mi
25.2M
4:08:27
Rank: #21700 (-14)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:19:14
Rank: #21761 (-61)
25.2M → Finish
10:47 | 10:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:21:59
Pace10:50 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2227:148:4627:14
8:46
-
10K
6.21 mi12:09:2054:128:4326:58
8:41
-0:05
15K
9.32 mi12:37:151:22:078:4927:55
8:59
+0:18
20K
12.43 mi13:06:051:50:578:5628:50
9:17
+0:18
Half
13.11 mi13:12:231:57:158:576:18
9:14
-0:03
25K
15.53 mi13:35:442:20:369:0323:21
9:38
+0:24
30K
18.64 mi14:09:352:54:279:2233:51
10:54
+1:16
20M
20.00 mi14:24:513:09:439:2915:16
11:14
+0:20
21M
21.00 mi14:36:533:21:459:3612:02
12:02
+0:48
35K
21.75 mi14:45:083:30:009:398:15
11:02
-1:00
23M
23.00 mi14:59:273:44:199:4514:19
11:26
+0:24
24M
24.00 mi15:10:143:55:069:4810:47
10:47
-0:39
40K
24.85 mi15:19:264:04:189:509:12
10:46
-0:01
25.2M
25.20 mi15:23:354:08:279:524:09
12:02
+1:16
Finish
26.22 mi15:34:224:19:149:5410:47
10:35
-1:27

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

8:41 /mi

Average Pace

9:54 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:36

54% of race

Time at Steady Pace

1:28:08

34% of race

Time at Slower Pace

30:30

12% of race

Average Pace: 9:53 /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 mi11:42:2227:148:4627:14
8:46
#19281
10K
6.21 mi12:09:2054:128:4326:58
8:41
#19271
15K
9.32 mi12:37:151:22:078:4927:55
8:59
#19656
20K
12.43 mi13:06:051:50:578:5628:50
9:17
#20007
Half
13.11 mi13:12:231:57:158:576:18
9:14
#20098
25K
15.53 mi13:35:442:20:369:0323:21
9:38
#20364
30K
18.64 mi14:09:352:54:279:2233:51
10:54
#21041
20M
20.00 mi14:24:513:09:439:2915:16
11:14
#21236
21M
21.00 mi14:36:533:21:459:3612:02
12:02
#21365
35K
21.75 mi14:45:083:30:009:398:15
11:02
#21474
23M
23.00 mi14:59:273:44:199:4514:19
11:26
#21613
24M
24.00 mi15:10:143:55:069:4810:47
10:47
#21678
40K
24.85 mi15:19:264:04:189:509:12
10:46
#21686
25.2M
25.20 mi15:23:354:08:279:524:09
12:02
#21700
Finish
26.22 mi15:34:224:19:149:5410:47
10:35
#21761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi192817380738020449(Top 77%)7931(Top 69%)7931(Top 1505%)
10K6.21 mi3.10 mi19271+107324+567324+5619324(Top 73%)7282(Top 64%)7282(Top 1382%)
15K9.32 mi3.11 mi19656-3857544-2207544-22020449(Top 77%)7931(Top 69%)7931(Top 1505%)
20K12.43 mi3.11 mi20007-3517727-1837727-18320913(Top 79%)8183(Top 72%)8183(Top 1553%)
Half13.11 mi0.68 mi20098-917772-457772-4521307(Top 80%)8418(Top 74%)8418(Top 1597%)
25K15.53 mi2.42 mi20364-2667909-1377909-13721237(Top 80%)8405(Top 74%)8405(Top 1595%)
30K18.64 mi3.11 mi21041-6778306-3978306-39722933(Top 86%)9429(Top 83%)9429(Top 1789%)
20M20.00 mi1.36 mi21236-1958438-1328438-13223074(Top 87%)9553(Top 84%)9553(Top 1813%)
21M21.00 mi1.00 mi21365-1298509-718509-7122808(Top 86%)9441(Top 83%)9441(Top 1791%)
35K21.75 mi0.75 mi21474-1098574-658574-6523356(Top 88%)9790(Top 86%)9790(Top 1858%)
23M23.00 mi1.25 mi21613-1398665-918665-9123135(Top 87%)9661(Top 85%)9661(Top 1833%)
24M24.00 mi1.00 mi21678-658712-478712-4722638(Top 85%)9442(Top 83%)9442(Top 1792%)
40K24.85 mi0.85 mi21686-88730-188730-1821862(Top 82%)9074(Top 79%)9074(Top 1722%)
25.2M25.20 mi0.35 mi21700-148742-128742-1222580(Top 85%)9440(Top 83%)9440(Top 1791%)
Finish26.22 mi1.02 mi21761-618774-328774-3223174(Top 87%)9734(Top 85%)9734(Top 1847%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20449

Females

7931

F60-64

7931

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19324

Females

7282

F60-64

7282

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20449

Females

7931

F60-64

7931

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20913

Females

8183

F60-64

8183

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21307

Females

8418

F60-64

8418

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21237

Females

8405

F60-64

8405

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22933

Females

9429

F60-64

9429

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23074

Females

9553

F60-64

9553

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22808

Females

9441

F60-64

9441

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23356

Females

9790

F60-64

9790

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23135

Females

9661

F60-64

9661

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22638

Females

9442

F60-64

9442

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21862

Females

9074

F60-64

9074

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22580

Females

9440

F60-64

9440

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23174

Females

9734

F60-64

9734

Passing Analysis

Category:
Athletes Passed
779
Passed By
3259
Net Change
-2480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19281
5K → 10K346336+10#19281#19271
10K → 15K72457-385#19271#19656
15K → 20K84435-351#19656#20007
20K → Half10101-91#20007#20098
Half → 25K59325-266#20098#20364
25K → 30K29706-677#20364#21041
30K → 20M33228-195#21041#21236
20M → 21M27156-129#21236#21365
21M → 35K13122-109#21365#21474
35K → 23M26165-139#21474#21613
23M → 24M2085-65#21613#21678
24M → 40K3644-8#21678#21686
40K → 25.2M1125-14#21686#21700
25.2M → Finish1374-61#21700#21761
TOTALS7793259-2480
📊

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