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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Xiaohua Gu

Bib: 20144 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 29%
Age Group (F45-49)
#0 / 1786
Top 35%
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
25:53
3.11 mi
Rank: #19070
Start → 5K
25:53 | 8:20/mi
10K
51:40
6.21 mi
Rank: #19109 (-39)
5K → 10K
25:47 | 8:18/mi
15K
1:17:01
9.32 mi
Rank: #18780 (+329)
10K → 15K
25:21 | 8:10/mi
20K
1:42:22
12.43 mi
Rank: #18389 (+391)
15K → 20K
25:21 | 8:10/mi
HALF
1:47:42
13.11 mi
Rank: #18262 (+127)
20K → HALF
5:20 | 7:50/mi
25K
2:07:14
15.53 mi
Rank: #17882 (+380)
HALF → 25K
19:32 | 8:04/mi
30K
2:32:43
18.64 mi
Rank: #17333 (+549)
25K → 30K
25:29 | 8:13/mi
20M
2:43:54
20.00 mi
Rank: #17107 (+226)
30K → 20M
11:11 | 8:14/mi
21M
2:52:41
21.00 mi
Rank: #16952 (+155)
20M → 21M
8:47 | 8:47/mi
35K
2:58:35
21.75 mi
Rank: #16820 (+132)
21M → 35K
5:54 | 7:54/mi
23M
3:08:34
23.00 mi
Rank: #16543 (+277)
35K → 23M
9:59 | 7:59/mi
24M
3:16:12
24.00 mi
Rank: #16280 (+263)
23M → 24M
7:38 | 7:38/mi
40K
3:22:54
24.85 mi
Rank: #16089 (+191)
24M → 40K
6:42 | 7:51/mi
25.2M
3:25:56
25.20 mi
Rank: #16042 (+47)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:33:45
26.22 mi
Rank: #15910 (+132)
25.2M → FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:47:42
Pace8:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:03
Pace8:06 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:5025:538:2025:53
8:20
-
10K
6.21 mi11:57:3751:408:1925:47
8:18
-0:02
15K
9.32 mi12:22:581:17:018:1625:21
8:10
-0:08
20K
12.43 mi12:48:191:42:228:1525:21
8:10
0:00
HALF
13.11 mi12:53:391:47:428:135:20
7:50
-0:20
25K
15.53 mi13:13:112:07:148:1219:32
8:04
+0:14
30K
18.64 mi13:38:402:32:438:1225:29
8:13
+0:09
20M
20.00 mi13:49:512:43:548:1211:11
8:14
+0:01
21M
21.00 mi13:58:382:52:418:148:47
8:47
+0:33
35K
21.75 mi14:04:322:58:358:135:54
7:54
-0:53
23M
23.00 mi14:14:313:08:348:129:59
7:59
+0:05
24M
24.00 mi14:22:093:16:128:117:38
7:38
-0:21
40K
24.85 mi14:28:513:22:548:106:42
7:51
+0:13
25.2M
25.20 mi14:31:533:25:568:113:02
8:48
+0:57
FINISH
26.22 mi14:39:423:33:458:107:49
7:41
-1:07

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

7:38 /mi

Average Pace

8:10 /mi

Slowest Pace

8:48 /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

3:21:56

94% of race

Time at Steady Pace

11:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:31:5025:538:2025:53
8:20
#19070
10K
6.21 mi11:57:3751:408:1925:47
8:18
#19109
15K
9.32 mi12:22:581:17:018:1625:21
8:10
#18780
20K
12.43 mi12:48:191:42:228:1525:21
8:10
#18389
HALF
13.11 mi12:53:391:47:428:135:20
7:50
#18262
25K
15.53 mi13:13:112:07:148:1219:32
8:04
#17882
30K
18.64 mi13:38:402:32:438:1225:29
8:13
#17333
20M
20.00 mi13:49:512:43:548:1211:11
8:14
#17107
21M
21.00 mi13:58:382:52:418:148:47
8:47
#16952
35K
21.75 mi14:04:322:58:358:135:54
7:54
#16820
23M
23.00 mi14:14:313:08:348:129:59
7:59
#16543
24M
24.00 mi14:22:093:16:128:117:38
7:38
#16280
40K
24.85 mi14:28:513:22:548:106:42
7:51
#16089
25.2M
25.20 mi14:31:533:25:568:113:02
8:48
#16042
FINISH
26.22 mi14:39:423:33:458:107:49
7:41
#15910
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 mi190707124712418083(Top 62%)6518(Top 52%)6518(Top 365%)
10K6.21 mi3.10 mi19109-397127-37127-319163(Top 66%)7105(Top 56%)7105(Top 398%)
15K9.32 mi3.11 mi18780+3296921+2066921+20618083(Top 62%)6518(Top 52%)6518(Top 365%)
20K12.43 mi3.11 mi18389+3916700+2216700+22117238(Top 59%)6065(Top 48%)6065(Top 340%)
HALF13.11 mi0.68 mi18262+1276634+666634+6615818(Top 55%)5235(Top 42%)5235(Top 293%)
25K15.53 mi2.42 mi17882+3806430+2046430+20415832(Top 55%)5325(Top 42%)5325(Top 298%)
30K18.64 mi3.11 mi17333+5496151+2796151+27914961(Top 52%)4956(Top 39%)4956(Top 277%)
20M20.00 mi1.36 mi17107+2266036+1156036+11514501(Top 50%)4770(Top 38%)4770(Top 267%)
21M21.00 mi1.00 mi16952+1555968+685968+6814919(Top 51%)5100(Top 41%)5100(Top 286%)
35K21.75 mi0.75 mi16820+1325912+565912+5613768(Top 47%)4520(Top 36%)4520(Top 253%)
23M23.00 mi1.25 mi16543+2775783+1295783+12912335(Top 43%)3798(Top 30%)3798(Top 213%)
24M24.00 mi1.00 mi16280+2635660+1235660+12311144(Top 38%)3262(Top 26%)3262(Top 183%)
40K24.85 mi0.85 mi16089+1915566+945566+9411377(Top 39%)3468(Top 28%)3468(Top 194%)
25.2M25.20 mi0.35 mi16042+475551+155551+1513601(Top 47%)4696(Top 37%)4696(Top 263%)
FINISH26.22 mi1.02 mi15910+1325487+645487+6412795(Top 44%)4291(Top 34%)4291(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18083

Females

6518

F45-49

6518

5K→10K

3.1 - 6.2 mi

Top 66%
×5
+79ft-138ft

Overall

19163

Females

7105

F45-49

7105

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18083

Females

6518

F45-49

6518

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17238

Females

6065

F45-49

6065

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15818

Females

5235

F45-49

5235

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15832

Females

5325

F45-49

5325

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

14961

Females

4956

F45-49

4956

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14501

Females

4770

F45-49

4770

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14919

Females

5100

F45-49

5100

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13768

Females

4520

F45-49

4520

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12335

Females

3798

F45-49

3798

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

11144

Females

3262

F45-49

3262

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11377

Females

3468

F45-49

3468

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13601

Females

4696

F45-49

4696

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12795

Females

4291

F45-49

4291

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3561*
Passed By
362
Net Change
+3160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19070
5K → 10K200200-39#19070#19109
10K → 15K387*58+329#19109#18780
15K → 20K413*22+391#18780#18389
20K → HALF1270+127#18389#18262
HALF → 25K383*3+380#18262#17882
25K → 30K562*13+549#17882#17333
30K → 20M229*3+226#17333#17107
20M → 21M18328+155#17107#16952
21M → 35K1386+132#16952#16820
35K → 23M278*1+277#16820#16543
23M → 24M265*2+263#16543#16280
24M → 40K1987+191#16280#16089
40K → 25.2M558+47#16089#16042
25.2M → FINISH14311+132#16042#15910
TOTALS3561*362+3160

* 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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