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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Isabella Chao

Bib: 13393 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 25%
Gender (Female)
#0 / 12578
Top 8%
Age Group (F18-39)
#0 / 5716
Top 15%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Isabella

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 · 6:45/mi at mile 13.1

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
21:53
3.11 mi
Rank: #8923
Start → 5K
21:53 | 7:03/mi
10K
43:29
6.21 mi
Rank: #8578 (+345)
5K → 10K
21:36 | 6:58/mi
15K
1:04:43
9.32 mi
Rank: #8157 (+421)
10K → 15K
21:14 | 6:51/mi
20K
1:26:02
12.43 mi
Rank: #7772 (+385)
15K → 20K
21:19 | 6:52/mi
HALF
1:30:38
13.11 mi
Rank: #7721 (+51)
20K → HALF
4:36 | 6:45/mi
25K
1:47:14
15.53 mi
Rank: #7433 (+288)
HALF → 25K
16:36 | 6:51/mi
30K
2:09:00
18.64 mi
Rank: #7120 (+313)
25K → 30K
21:46 | 7:01/mi
20M
2:18:45
20.00 mi
Rank: #7059 (+61)
30K → 20M
9:45 | 7:11/mi
21M
2:26:31
21.00 mi
Rank: #7065 (-6)
20M → 21M
7:46 | 7:46/mi
35K
2:31:40
21.75 mi
Rank: #7005 (+60)
21M → 35K
5:09 | 6:54/mi
23M
2:40:57
23.00 mi
Rank: #7003 (+2)
35K → 23M
9:17 | 7:26/mi
24M
2:48:13
24.00 mi
Rank: #7011 (-8)
23M → 24M
7:16 | 7:16/mi
40K
2:54:38
24.85 mi
Rank: #7026 (-15)
24M → 40K
6:25 | 7:31/mi
25.2M
2:57:31
25.20 mi
Rank: #7064 (-38)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:05:01
26.22 mi
Rank: #7135 (-71)
25.2M → FINISH
7:30 | 7:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3121:537:0321:53
7:03
-
10K
6.21 mi11:12:0743:297:0021:36
6:58
-0:05
15K
9.32 mi11:33:211:04:436:5721:14
6:51
-0:07
20K
12.43 mi11:54:401:26:026:5621:19
6:52
+0:01
HALF
13.11 mi11:59:161:30:386:554:36
6:45
-0:07
25K
15.53 mi12:15:521:47:146:5516:36
6:51
+0:06
30K
18.64 mi12:37:382:09:006:5621:46
7:01
+0:10
20M
20.00 mi12:47:232:18:456:579:45
7:11
+0:10
21M
21.00 mi12:55:092:26:316:597:46
7:46
+0:35
35K
21.75 mi13:00:182:31:406:595:09
6:54
-0:52
23M
23.00 mi13:09:352:40:577:009:17
7:26
+0:32
24M
24.00 mi13:16:512:48:137:017:16
7:16
-0:10
40K
24.85 mi13:23:162:54:387:026:25
7:31
+0:15
25.2M
25.20 mi13:26:092:57:317:032:53
8:22
+0:51
FINISH
26.22 mi13:33:393:05:017:047:30
7:22
-1:00

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

6:45 /mi

Average Pace

7:04 /mi

Slowest Pace

8:22 /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

4:36

2% of race

Time at Steady Pace

2:19:18

75% of race

Time at Slower Pace

41:07

22% of race

Average Pace: 7:03 /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 mi10:50:3121:537:0321:53
7:03
#8923
10K
6.21 mi11:12:0743:297:0021:36
6:58
#8578
15K
9.32 mi11:33:211:04:436:5721:14
6:51
#8157
20K
12.43 mi11:54:401:26:026:5621:19
6:52
#7772
HALF
13.11 mi11:59:161:30:386:554:36
6:45
#7721
25K
15.53 mi12:15:521:47:146:5516:36
6:51
#7433
30K
18.64 mi12:37:382:09:006:5621:46
7:01
#7120
20M
20.00 mi12:47:232:18:456:579:45
7:11
#7059
21M
21.00 mi12:55:092:26:316:597:46
7:46
#7065
35K
21.75 mi13:00:182:31:406:595:09
6:54
#7005
23M
23.00 mi13:09:352:40:577:009:17
7:26
#7003
24M
24.00 mi13:16:512:48:137:017:16
7:16
#7011
40K
24.85 mi13:23:162:54:387:026:25
7:31
#7026
25.2M
25.20 mi13:26:092:57:317:032:53
8:22
#7064
FINISH
26.22 mi13:33:393:05:017:047:30
7:22
#7135
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8923138113817177(Top 25%)858(Top 7%)858(Top 15%)
10K6.21 mi3.10 mi8578+3451296+851296+858345(Top 29%)1212(Top 10%)1212(Top 21%)
15K9.32 mi3.11 mi8157+4211148+1481148+1487177(Top 25%)858(Top 7%)858(Top 15%)
20K12.43 mi3.11 mi7772+3851021+1271021+1276767(Top 23%)772(Top 6%)772(Top 14%)
HALF13.11 mi0.68 mi7721+511006+151006+156722(Top 23%)749(Top 6%)749(Top 13%)
25K15.53 mi2.42 mi7433+288935+71935+716203(Top 21%)677(Top 5%)677(Top 12%)
30K18.64 mi3.11 mi7120+313853+82853+825959(Top 21%)679(Top 5%)679(Top 12%)
20M20.00 mi1.36 mi7059+618538536826(Top 24%)1014(Top 8%)1014(Top 18%)
21M21.00 mi1.00 mi7065-6873-20873-208264(Top 28%)1702(Top 14%)1702(Top 30%)
35K21.75 mi0.75 mi7005+60861+12861+126338(Top 22%)932(Top 7%)932(Top 16%)
23M23.00 mi1.25 mi7003+2885-24885-248279(Top 29%)1757(Top 14%)1757(Top 31%)
24M24.00 mi1.00 mi7011-8914-29914-298355(Top 29%)1871(Top 15%)1871(Top 33%)
40K24.85 mi0.85 mi7026-15934-20934-208889(Top 31%)2205(Top 18%)2205(Top 39%)
25.2M25.20 mi0.35 mi7064-38955-21955-2110717(Top 37%)3158(Top 25%)3158(Top 55%)
FINISH26.22 mi1.02 mi7135-71999-44999-4410356(Top 36%)3008(Top 24%)3008(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7177

Females

858

F18-39

858

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8345

Females

1212

F18-39

1212

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7177

Females

858

F18-39

858

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6767

Females

772

F18-39

772

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6722

Females

749

F18-39

749

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6203

Females

677

F18-39

677

25K→30K

15.5 - 18.6 mi

Top 21%
×9
+181ft-148ft

Overall

5959

Females

679

F18-39

679

30K→20M

18.6 - 20.0 mi

Top 24%
×5
+64ft-50ft

Overall

6826

Females

1014

F18-39

1014

20M→21M

20.0 - 21.0 mi

Top 28%
×8
+106ft-24ft

Overall

8264

Females

1702

F18-39

1702

21M→35K

21.0 - 21.8 mi

Top 22%
×7
+17ft-86ft

Overall

6338

Females

932

F18-39

932

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8279

Females

1757

F18-39

1757

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8355

Females

1871

F18-39

1871

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

8889

Females

2205

F18-39

2205

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10717

Females

3158

F18-39

3158

25.2M→FINISH

25.2 - 26.2 mi

Top 36%
×2
+22ft-21ft

Overall

10356

Females

3008

F18-39

3008

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2423*
Passed By
635
Net Change
+1788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8923
5K → 10K436*91+345#8923#8578
10K → 15K431*10+421#8578#8157
15K → 20K398*13+385#8157#7772
20K → HALF598+51#7772#7721
HALF → 25K296*8+288#7721#7433
25K → 30K331*18+313#7433#7120
30K → 20M9938+61#7120#7059
20M → 21M6066-6#7059#7065
21M → 35K7010+60#7065#7005
35K → 23M7876+2#7005#7003
23M → 24M6775-8#7003#7011
24M → 40K4964-15#7011#7026
40K → 25.2M1755-38#7026#7064
25.2M → FINISH32103-71#7064#7135
TOTALS2423*635+1788

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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