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BOSTON MARATHON 2026

Xiaojing Xu

Bib: 19705•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
35:16
3.11 mi
Rank: #28396
Start → 5K
35:16 | 11:22/mi
10K
1:15:20
6.21 mi
Rank: #28781 (-385)
5K → 10K
40:04 | 12:54/mi
15K
1:59:08
9.32 mi
Rank: #28916 (-135)
10K → 15K
43:48 | 14:06/mi
20K
2:49:33
12.43 mi
Rank: #28995 (-79)
15K → 20K
50:25 | 16:14/mi
HALF
3:00:11
13.11 mi
Rank: #28999 (-4)
20K → HALF
10:38 | 15:36/mi
25K
3:40:55
15.53 mi
Rank: #29003 (-4)
HALF → 25K
40:44 | 16:48/mi
30K
4:33:27
18.64 mi
Rank: #29003
25K → 30K
52:32 | 16:55/mi
20M
4:55:10
20.00 mi
Rank: #29002 (+1)
30K → 20M
21:43 | 16:00/mi
21M
5:12:34
21.00 mi
Rank: #29002
20M → 21M
17:24 | 17:24/mi
35K
5:24:11
21.75 mi
Rank: #29003 (-1)
21M → 35K
11:37 | 15:32/mi
23M
5:44:04
23.00 mi
Rank: #29000 (+3)
35K → 23M
19:53 | 15:54/mi
24M
6:00:14
24.00 mi
Rank: #29001 (-1)
23M → 24M
16:10 | 16:10/mi
40K
6:13:56
24.85 mi
Rank: #28999 (+2)
24M → 40K
13:42 | 16:02/mi
25.2M
6:19:53
25.20 mi
Rank: #28999
40K → 25.2M
5:57 | 17:16/mi
FINISH
6:35:17
26.22 mi
Rank: #28997 (+2)
25.2M → FINISH
15:24 | 15:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time3:00:11
Pace13:45 /mi
2nd Half
Distance13.11 mi
Time3:35:06
Pace16:25 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0235:1611:2235:16
11:22
-
10K
6.21 mi11:59:061:15:2012:0840:04
12:54
+1:32
15K
9.32 mi12:42:541:59:0812:4743:48
14:06
+1:12
20K
12.43 mi13:33:192:49:3313:3950:25
16:14
+2:08
HALF
13.11 mi13:43:573:00:1113:4510:38
15:36
-0:38
25K
15.53 mi14:24:413:40:5514:1440:44
16:48
+1:12
30K
18.64 mi15:17:134:33:2714:4152:32
16:55
+0:07
20M
20.00 mi15:38:564:55:1014:4621:43
16:00
-0:55
21M
21.00 mi15:56:205:12:3414:5417:24
17:24
+1:24
35K
21.75 mi16:07:575:24:1114:5511:37
15:32
-1:52
23M
23.00 mi16:27:505:44:0414:5819:53
15:54
+0:22
24M
24.00 mi16:44:006:00:1415:0116:10
16:10
+0:16
40K
24.85 mi16:57:426:13:5615:0313:42
16:02
-0:08
25.2M
25.20 mi17:03:396:19:5315:055:57
17:16
+1:14
FINISH
26.22 mi17:19:036:35:1715:0615:24
15:07
-2:09

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

11:22 /mi

Average Pace

15:05 /mi

Slowest Pace

17:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:14:32

34% of race

Time at Steady Pace

2:24:08

36% of race

Time at Slower Pace

1:56:37

30% of race

Average Pace: 15:05 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:19:0235:1611:2235:16
11:22
#28396
10K
6.21 mi11:59:061:15:2012:0840:04
12:54
#28781
15K
9.32 mi12:42:541:59:0812:4743:48
14:06
#28916
20K
12.43 mi13:33:192:49:3313:3950:25
16:14
#28995
HALF
13.11 mi13:43:573:00:1113:4510:38
15:36
#28999
25K
15.53 mi14:24:413:40:5514:1440:44
16:48
#29003
30K
18.64 mi15:17:134:33:2714:4152:32
16:55
#29003
20M
20.00 mi15:38:564:55:1014:4621:43
16:00
#29002
21M
21.00 mi15:56:205:12:3414:5417:24
17:24
#29002
35K
21.75 mi16:07:575:24:1114:5511:37
15:32
#29003
23M
23.00 mi16:27:505:44:0414:5819:53
15:54
#29000
24M
24.00 mi16:44:006:00:1415:0116:10
16:10
#29001
40K
24.85 mi16:57:426:13:5615:0313:42
16:02
#28999
25.2M
25.20 mi17:03:396:19:5315:055:57
17:16
#28999
FINISH
26.22 mi17:19:036:35:1715:0615:24
15:07
#28997
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi28396121531215328984(Top 100%)12562(Top 100%)12562(Top 723%)
10K6.21 mi3.10 mi28781-38512417-26412417-26428916(Top 100%)12511(Top 99%)12511(Top 720%)
15K9.32 mi3.11 mi28916-13512508-9112508-9128984(Top 100%)12562(Top 100%)12562(Top 723%)
20K12.43 mi3.11 mi28995-7912566-5812566-5829016(Top 100%)12576(Top 100%)12576(Top 724%)
HALF13.11 mi0.68 mi28999-412567-112567-128984(Top 100%)12564(Top 100%)12564(Top 723%)
25K15.53 mi2.42 mi29003-412571-412571-428989(Top 100%)12561(Top 100%)12561(Top 723%)
30K18.64 mi3.11 mi29003125711257128981(Top 100%)12561(Top 100%)12561(Top 723%)
20M20.00 mi1.36 mi29002+1125711257128825(Top 99%)12484(Top 99%)12484(Top 719%)
21M21.00 mi1.00 mi29002125711257128877(Top 100%)12509(Top 99%)12509(Top 720%)
35K21.75 mi0.75 mi29003-112573-212573-228820(Top 99%)12504(Top 99%)12504(Top 720%)
23M23.00 mi1.25 mi29000+312571+212571+228841(Top 99%)12516(Top 100%)12516(Top 721%)
24M24.00 mi1.00 mi29001-1125711257128893(Top 100%)12534(Top 100%)12534(Top 722%)
40K24.85 mi0.85 mi28999+212570+112570+128758(Top 99%)12479(Top 99%)12479(Top 718%)
25.2M25.20 mi0.35 mi28999125701257028773(Top 99%)12503(Top 99%)12503(Top 720%)
FINISH26.22 mi1.02 mi28997+2125701257028861(Top 99%)12527(Top 100%)12527(Top 721%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28984

Females

12562

F40-44

12562

5K→10K

3.1 - 6.2 mi

Top 100%
×5
+79ft-138ft

Overall

28916

Females

12511

F40-44

12511

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28984

Females

12562

F40-44

12562

15K→20K

9.3 - 12.4 mi

Top 100%
×5
+106ft-86ft

Overall

29016

Females

12576

F40-44

12576

20K→HALF

12.4 - 13.1 mi

Top 100%
×2
+19ft-37ft

Overall

28984

Females

12564

F40-44

12564

HALF→25K

13.1 - 15.5 mi

Top 100%
×4
+66ft-88ft

Overall

28989

Females

12561

F40-44

12561

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28981

Females

12561

F40-44

12561

30K→20M

18.6 - 20.0 mi

Top 99%
×5
+64ft-50ft

Overall

28825

Females

12484

F40-44

12484

20M→21M

20.0 - 21.0 mi

Top 100%
×8
+106ft-24ft

Overall

28877

Females

12509

F40-44

12509

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28820

Females

12504

F40-44

12504

35K→23M

21.8 - 23.0 mi

Top 99%
×5
+23ft-63ft

Overall

28841

Females

12516

F40-44

12516

23M→24M

23.0 - 24.0 mi

Top 100%
×6
+12ft-82ft

Overall

28893

Females

12534

F40-44

12534

24M→40K

24.0 - 24.9 mi

Top 99%
×1
+6ft-20ft

Overall

28758

Females

12479

F40-44

12479

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28773

Females

12503

F40-44

12503

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28861

Females

12527

F40-44

12527

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
17
Passed By
618
Net Change
-601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28396
5K → 10K2387-385#28396#28781
10K → 15K1136-135#28781#28916
15K → 20K180-79#28916#28995
20K → HALF04-4#28995#28999
HALF → 25K15-4#28999#29003
25K → 30K330#29003#29003
30K → 20M10+1#29003#29002
20M → 21M000#29002#29002
21M → 35K12-1#29002#29003
35K → 23M30+3#29003#29000
23M → 24M01-1#29000#29001
24M → 40K20+2#29001#28999
40K → 25.2M000#28999#28999
25.2M → FINISH20+2#28999#28997
TOTALS17618-601
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing