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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaojing Guo

Bib: 22263 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
27:53
3.11 mi
Rank: #22555
Start → 5K
27:53 | 8:59/mi
10K
56:30
6.21 mi
Rank: #23132 (-577)
5K → 10K
28:37 | 9:13/mi
15K
1:24:16
9.32 mi
Rank: #22885 (+247)
10K → 15K
27:46 | 8:57/mi
20K
1:52:37
12.43 mi
Rank: #22759 (+126)
15K → 20K
28:21 | 9:08/mi
HALF
1:58:33
13.11 mi
Rank: #22689 (+70)
20K → HALF
5:56 | 8:43/mi
25K
2:20:58
15.53 mi
Rank: #22615 (+74)
HALF → 25K
22:25 | 9:15/mi
30K
2:51:00
18.64 mi
Rank: #22523 (+92)
25K → 30K
30:02 | 9:41/mi
20M
3:03:33
20.00 mi
Rank: #22316 (+207)
30K → 20M
12:33 | 9:15/mi
21M
3:13:22
21.00 mi
Rank: #22161 (+155)
20M → 21M
9:49 | 9:49/mi
35K
3:19:50
21.75 mi
Rank: #22010 (+151)
21M → 35K
6:28 | 8:39/mi
23M
3:30:56
23.00 mi
Rank: #21814 (+196)
35K → 23M
11:06 | 8:53/mi
24M
3:39:29
24.00 mi
Rank: #21656 (+158)
23M → 24M
8:33 | 8:33/mi
40K
3:46:59
24.85 mi
Rank: #21524 (+132)
24M → 40K
7:30 | 8:47/mi
25.2M
3:50:10
25.20 mi
Rank: #21463 (+61)
40K → 25.2M
3:11 | 9:14/mi
FINISH
3:58:41
26.22 mi
Rank: #21330 (+133)
25.2M → FINISH
8:31 | 8:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:33
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0227:538:5927:53
8:59
-
10K
6.21 mi11:58:3956:309:0628:37
9:13
+0:14
15K
9.32 mi12:26:251:24:169:0327:46
8:57
-0:16
20K
12.43 mi12:54:461:52:379:0428:21
9:08
+0:11
HALF
13.11 mi13:00:421:58:339:035:56
8:43
-0:25
25K
15.53 mi13:23:072:20:589:0522:25
9:15
+0:32
30K
18.64 mi13:53:092:51:009:1130:02
9:41
+0:26
20M
20.00 mi14:05:423:03:339:1112:33
9:15
-0:26
21M
21.00 mi14:15:313:13:229:139:49
9:49
+0:34
35K
21.75 mi14:21:593:19:509:126:28
8:39
-1:10
23M
23.00 mi14:33:053:30:569:1111:06
8:53
+0:14
24M
24.00 mi14:41:383:39:299:098:33
8:33
-0:20
40K
24.85 mi14:49:083:46:599:087:30
8:47
+0:14
25.2M
25.20 mi14:52:193:50:109:093:11
9:14
+0:27
FINISH
26.22 mi15:00:503:58:419:078:31
8:22
-0:52

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

8:22 /mi

Average Pace

9:07 /mi

Slowest Pace

9:49 /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

2:12:04

55% of race

Time at Steady Pace

1:46:37

45% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi11:30:0227:538:5927:53
8:59
#22555
10K
6.21 mi11:58:3956:309:0628:37
9:13
#23132
15K
9.32 mi12:26:251:24:169:0327:46
8:57
#22885
20K
12.43 mi12:54:461:52:379:0428:21
9:08
#22759
HALF
13.11 mi13:00:421:58:339:035:56
8:43
#22689
25K
15.53 mi13:23:072:20:589:0522:25
9:15
#22615
30K
18.64 mi13:53:092:51:009:1130:02
9:41
#22523
20M
20.00 mi14:05:423:03:339:1112:33
9:15
#22316
21M
21.00 mi14:15:313:13:229:139:49
9:49
#22161
35K
21.75 mi14:21:593:19:509:126:28
8:39
#22010
23M
23.00 mi14:33:053:30:569:1111:06
8:53
#21814
24M
24.00 mi14:41:383:39:299:098:33
8:33
#21656
40K
24.85 mi14:49:083:46:599:087:30
8:47
#21524
25.2M
25.20 mi14:52:193:50:109:093:11
9:14
#21463
FINISH
26.22 mi15:00:503:58:419:078:31
8:22
#21330
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi225558954895422390(Top 77%)8819(Top 70%)8819(Top 494%)
10K6.21 mi3.10 mi23132-5779234-2809234-28023664(Top 82%)9488(Top 75%)9488(Top 531%)
15K9.32 mi3.11 mi22885+2479085+1499085+14922390(Top 77%)8819(Top 70%)8819(Top 494%)
20K12.43 mi3.11 mi22759+1269025+609025+6022459(Top 77%)8892(Top 71%)8892(Top 498%)
HALF13.11 mi0.68 mi22689+708989+368989+3621396(Top 74%)8323(Top 66%)8323(Top 466%)
25K15.53 mi2.42 mi22615+748965+248965+2422199(Top 76%)8778(Top 70%)8778(Top 491%)
30K18.64 mi3.11 mi22523+928960+58960+522164(Top 76%)8844(Top 70%)8844(Top 495%)
20M20.00 mi1.36 mi22316+2078858+1028858+10220035(Top 69%)7837(Top 62%)7837(Top 439%)
21M21.00 mi1.00 mi22161+1558792+668792+6619841(Top 68%)7772(Top 62%)7772(Top 435%)
35K21.75 mi0.75 mi22010+1518731+618731+6118414(Top 63%)7125(Top 57%)7125(Top 399%)
23M23.00 mi1.25 mi21814+1968647+848647+8417874(Top 62%)6902(Top 55%)6902(Top 386%)
24M24.00 mi1.00 mi21656+1588565+828565+8217213(Top 59%)6601(Top 52%)6601(Top 370%)
40K24.85 mi0.85 mi21524+1328510+558510+5517289(Top 60%)6688(Top 53%)6688(Top 374%)
25.2M25.20 mi0.35 mi21463+618484+268484+2616087(Top 55%)6041(Top 48%)6041(Top 338%)
FINISH26.22 mi1.02 mi21330+1338425+598425+5917421(Top 60%)6743(Top 54%)6743(Top 378%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22390

Females

8819

F45-49

8819

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23664

Females

9488

F45-49

9488

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22390

Females

8819

F45-49

8819

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22459

Females

8892

F45-49

8892

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21396

Females

8323

F45-49

8323

HALF→25K

13.1 - 15.5 mi

Top 76%
×4
+66ft-88ft

Overall

22199

Females

8778

F45-49

8778

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22164

Females

8844

F45-49

8844

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20035

Females

7837

F45-49

7837

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19841

Females

7772

F45-49

7772

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18414

Females

7125

F45-49

7125

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17874

Females

6902

F45-49

6902

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17213

Females

6601

F45-49

6601

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17289

Females

6688

F45-49

6688

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

16087

Females

6041

F45-49

6041

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17421

Females

6743

F45-49

6743

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2316*
Passed By
633
Net Change
+1225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22555
5K → 10K81200-577#22555#23132
10K → 15K317*70+247#23132#22885
15K → 20K215*89+126#22885#22759
20K → HALF755+70#22759#22689
HALF → 25K16288+74#22689#22615
25K → 30K230*138+92#22615#22523
30K → 20M210*3+207#22523#22316
20M → 21M16712+155#22316#22161
21M → 35K1521+151#22161#22010
35K → 23M202*6+196#22010#21814
23M → 24M1624+158#21814#21656
24M → 40K1364+132#21656#21524
40K → 25.2M654+61#21524#21463
25.2M → FINISH1429+133#21463#21330
TOTALS2316*633+1225

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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