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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaogui Zeng

Bib: 23843 •F •Age: N/A

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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 (F60-64)
#0 / 782
Top 34%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Xiaogui

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:53/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
27:47
3.11 mi
Rank: #22380
Start → 5K
27:47 | 8:57/mi
10K
55:24
6.21 mi
Rank: #22367 (+13)
5K → 10K
27:37 | 8:54/mi
15K
1:23:35
9.32 mi
Rank: #22591 (-224)
10K → 15K
28:11 | 9:05/mi
20K
1:52:17
12.43 mi
Rank: #22641 (-50)
15K → 20K
28:42 | 9:15/mi
HALF
1:58:24
13.11 mi
Rank: #22640 (+1)
20K → HALF
6:07 | 8:59/mi
25K
2:20:56
15.53 mi
Rank: #22602 (+38)
HALF → 25K
22:32 | 9:18/mi
30K
2:50:37
18.64 mi
Rank: #22434 (+168)
25K → 30K
29:41 | 9:34/mi
20M
3:03:40
20.00 mi
Rank: #22344 (+90)
30K → 20M
13:03 | 9:37/mi
21M
3:13:47
21.00 mi
Rank: #22248 (+96)
20M → 21M
10:07 | 10:07/mi
35K
3:20:27
21.75 mi
Rank: #22150 (+98)
21M → 35K
6:40 | 8:55/mi
23M
3:32:01
23.00 mi
Rank: #21992 (+158)
35K → 23M
11:34 | 9:15/mi
24M
3:41:08
24.00 mi
Rank: #21924 (+68)
23M → 24M
9:07 | 9:07/mi
40K
3:49:13
24.85 mi
Rank: #21894 (+30)
24M → 40K
8:05 | 9:28/mi
25.2M
3:52:51
25.20 mi
Rank: #21880 (+14)
40K → 25.2M
3:38 | 10:33/mi
FINISH
4:02:33
26.22 mi
Rank: #21897 (-17)
25.2M → FINISH
9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:24
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:04:09
Pace9:29 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:2427:478:5727:47
8:57
-
10K
6.21 mi11:59:0155:248:5527:37
8:54
-0:03
15K
9.32 mi12:27:121:23:358:5928:11
9:05
+0:11
20K
12.43 mi12:55:541:52:179:0328:42
9:15
+0:10
HALF
13.11 mi13:02:011:58:249:026:07
8:59
-0:16
25K
15.53 mi13:24:332:20:569:0522:32
9:18
+0:19
30K
18.64 mi13:54:142:50:379:1029:41
9:34
+0:16
20M
20.00 mi14:07:173:03:409:1213:03
9:37
+0:03
21M
21.00 mi14:17:243:13:479:1410:07
10:07
+0:30
35K
21.75 mi14:24:043:20:279:146:40
8:55
-1:12
23M
23.00 mi14:35:383:32:019:1411:34
9:15
+0:20
24M
24.00 mi14:44:453:41:089:139:07
9:07
-0:08
40K
24.85 mi14:52:503:49:139:148:05
9:28
+0:21
25.2M
25.20 mi14:56:283:52:519:153:38
10:33
+1:05
FINISH
26.22 mi15:06:104:02:339:169:42
9:32
-1:01

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

8:54 /mi

Average Pace

9:15 /mi

Slowest Pace

10:33 /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

3:48:48

94% of race

Time at Steady Pace

10:07

4% of race

Time at Slower Pace

3:38

1% of race

Average Pace: 9:15 /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 mi11:31:2427:478:5727:47
8:57
#22380
10K
6.21 mi11:59:0155:248:5527:37
8:54
#22367
15K
9.32 mi12:27:121:23:358:5928:11
9:05
#22591
20K
12.43 mi12:55:541:52:179:0328:42
9:15
#22641
HALF
13.11 mi13:02:011:58:249:026:07
8:59
#22640
25K
15.53 mi13:24:332:20:569:0522:32
9:18
#22602
30K
18.64 mi13:54:142:50:379:1029:41
9:34
#22434
20M
20.00 mi14:07:173:03:409:1213:03
9:37
#22344
21M
21.00 mi14:17:243:13:479:1410:07
10:07
#22248
35K
21.75 mi14:24:043:20:279:146:40
8:55
#22150
23M
23.00 mi14:35:383:32:019:1411:34
9:15
#21992
24M
24.00 mi14:44:453:41:089:139:07
9:07
#21924
40K
24.85 mi14:52:503:49:139:148:05
9:28
#21894
25.2M
25.20 mi14:56:283:52:519:153:38
10:33
#21880
FINISH
26.22 mi15:06:104:02:339:169:42
9:32
#21897
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi223808870887023019(Top 79%)9151(Top 73%)9151(Top 1170%)
10K6.21 mi3.10 mi22367+138852+188852+1822360(Top 77%)8832(Top 70%)8832(Top 1129%)
15K9.32 mi3.11 mi22591-2248949-978949-9723019(Top 79%)9151(Top 73%)9151(Top 1170%)
20K12.43 mi3.11 mi22641-508966-178966-1722906(Top 79%)9126(Top 73%)9126(Top 1167%)
HALF13.11 mi0.68 mi22640+18967-18967-122661(Top 78%)8981(Top 71%)8981(Top 1148%)
25K15.53 mi2.42 mi22602+388958+98958+922381(Top 77%)8875(Top 71%)8875(Top 1135%)
30K18.64 mi3.11 mi22434+1688910+488910+4821817(Top 75%)8673(Top 69%)8673(Top 1109%)
20M20.00 mi1.36 mi22344+908873+378873+3721455(Top 74%)8578(Top 68%)8578(Top 1097%)
21M21.00 mi1.00 mi22248+968836+378836+3720830(Top 72%)8291(Top 66%)8291(Top 1060%)
35K21.75 mi0.75 mi22150+988799+378799+3719713(Top 68%)7828(Top 62%)7828(Top 1001%)
23M23.00 mi1.25 mi21992+1588743+568743+5619624(Top 68%)7804(Top 62%)7804(Top 998%)
24M24.00 mi1.00 mi21924+688718+258718+2519969(Top 69%)8046(Top 64%)8046(Top 1029%)
40K24.85 mi0.85 mi21894+308709+98709+920238(Top 70%)8192(Top 65%)8192(Top 1048%)
25.2M25.20 mi0.35 mi21880+148701+88701+821196(Top 73%)8662(Top 69%)8662(Top 1108%)
FINISH26.22 mi1.02 mi21897-178730-298730-2922421(Top 77%)9293(Top 74%)9293(Top 1188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

23019

Females

9151

F60-64

9151

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22360

Females

8832

F60-64

8832

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

23019

Females

9151

F60-64

9151

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22906

Females

9126

F60-64

9126

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22661

Females

8981

F60-64

8981

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22381

Females

8875

F60-64

8875

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21817

Females

8673

F60-64

8673

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21455

Females

8578

F60-64

8578

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20830

Females

8291

F60-64

8291

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19713

Females

7828

F60-64

7828

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19624

Females

7804

F60-64

7804

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

19969

Females

8046

F60-64

8046

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20238

Females

8192

F60-64

8192

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1
+13ft-16ft

Overall

21196

Females

8662

F60-64

8662

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22421

Females

9293

F60-64

9293

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1629*
Passed By
1035
Net Change
+483
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22380
5K → 10K213*200+13#22380#22367
10K → 15K86200-224#22367#22591
15K → 20K151200-50#22591#22641
20K → HALF3433+1#22641#22640
HALF → 25K141103+38#22640#22602
25K → 30K260*92+168#22602#22434
30K → 20M11929+90#22434#22344
20M → 21M13135+96#22344#22248
21M → 35K11113+98#22248#22150
35K → 23M17719+158#22150#21992
23M → 24M8618+68#21992#21924
24M → 40K5525+30#21924#21894
40K → 25.2M2713+14#21894#21880
25.2M → FINISH3855-17#21880#21897
TOTALS1629*1035+483

* 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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Activity Data

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