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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chloe Byrd

Bib: 6466 •F •Age: N/A

FL

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 25%
Age Group (F18-39)
#0 / 5716
Top 44%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Chloe

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 · 6:31/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
20:27
3.11 mi
Rank: #4869
Start → 5K
20:27 | 6:35/mi
10K
40:42
6.21 mi
Rank: #4604 (+265)
5K → 10K
20:15 | 6:32/mi
15K
1:01:07
9.32 mi
Rank: #4640 (-36)
10K → 15K
20:25 | 6:35/mi
20K
1:33:57
12.43 mi
Rank: #13108 (-8468)
15K → 20K
32:50 | 10:35/mi
HALF
1:38:33
13.11 mi
Rank: #12782 (+326)
20K → HALF
4:36 | 6:45/mi
25K
1:55:25
15.53 mi
Rank: #11807 (+975)
HALF → 25K
16:52 | 6:58/mi
30K
2:18:33
18.64 mi
Rank: #11326 (+481)
25K → 30K
23:08 | 7:27/mi
20M
2:29:15
20.00 mi
Rank: #11347 (-21)
30K → 20M
10:42 | 7:53/mi
21M
2:37:38
21.00 mi
Rank: #11361 (-14)
20M → 21M
8:23 | 8:23/mi
35K
2:45:19
21.75 mi
Rank: #12136 (-775)
21M → 35K
7:41 | 10:17/mi
23M
2:55:28
23.00 mi
Rank: #12184 (-48)
35K → 23M
10:09 | 8:07/mi
24M
3:03:12
24.00 mi
Rank: #12145 (+39)
23M → 24M
7:44 | 7:44/mi
40K
3:09:55
24.85 mi
Rank: #12081 (+64)
24M → 40K
6:43 | 7:52/mi
25.2M
3:12:50
25.20 mi
Rank: #12064 (+17)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:20:07
26.22 mi
Rank: #11890 (+174)
25.2M → FINISH
7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:33
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0920:276:3520:27
6:35
-
10K
6.21 mi10:45:2440:426:3420:15
6:32
-0:03
15K
9.32 mi11:05:491:01:076:3420:25
6:35
+0:03
20K
12.43 mi11:38:391:33:577:3432:50
10:35
+4:00
HALF
13.11 mi11:43:151:38:337:324:36
6:45
-3:50
25K
15.53 mi12:00:071:55:257:2616:52
6:58
+0:13
30K
18.64 mi12:23:152:18:337:2623:08
7:27
+0:29
20M
20.00 mi12:33:572:29:157:2810:42
7:53
+0:26
21M
21.00 mi12:42:202:37:387:318:23
8:23
+0:30
35K
21.75 mi12:50:012:45:197:377:41
10:17
+1:54
23M
23.00 mi13:00:102:55:287:3810:09
8:07
-2:10
24M
24.00 mi13:07:543:03:127:397:44
7:44
-0:23
40K
24.85 mi13:14:373:09:557:396:43
7:52
+0:08
25.2M
25.20 mi13:17:323:12:507:402:55
8:28
+0:36
FINISH
26.22 mi13:24:493:20:077:397:17
7:09
-1:19

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

6:32 /mi

Average Pace

7:38 /mi

Slowest Pace

10:35 /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

1:22:35

41% of race

Time at Steady Pace

1:05:43

33% of race

Time at Slower Pace

51:49

26% of race

Average Pace: 7:38 /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 mi10:25:0920:276:3520:27
6:35
#4869
10K
6.21 mi10:45:2440:426:3420:15
6:32
#4604
15K
9.32 mi11:05:491:01:076:3420:25
6:35
#4640
20K
12.43 mi11:38:391:33:577:3432:50
10:35
#13108
HALF
13.11 mi11:43:151:38:337:324:36
6:45
#12782
25K
15.53 mi12:00:071:55:257:2616:52
6:58
#11807
30K
18.64 mi12:23:152:18:337:2623:08
7:27
#11326
20M
20.00 mi12:33:572:29:157:2810:42
7:53
#11347
21M
21.00 mi12:42:202:37:387:318:23
8:23
#11361
35K
21.75 mi12:50:012:45:197:377:41
10:17
#12136
23M
23.00 mi13:00:102:55:287:3810:09
8:07
#12184
24M
24.00 mi13:07:543:03:127:397:44
7:44
#12145
40K
24.85 mi13:14:373:09:557:396:43
7:52
#12081
25.2M
25.20 mi13:17:323:12:507:402:55
8:28
#12064
FINISH
26.22 mi13:24:493:20:077:397:17
7:09
#11890
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 mi48693153154736(Top 16%)296(Top 2%)296(Top 5%)
10K6.21 mi3.10 mi4604+265274+41274+414405(Top 15%)242(Top 2%)242(Top 4%)
15K9.32 mi3.11 mi4640-36275-1275-14736(Top 16%)296(Top 2%)296(Top 5%)
20K12.43 mi3.11 mi13108-84683643-33683643-336826275(Top 91%)10908(Top 87%)10908(Top 191%)
HALF13.11 mi0.68 mi12782+3263438+2053438+2056738(Top 23%)765(Top 6%)765(Top 13%)
25K15.53 mi2.42 mi11807+9752933+5052933+5057114(Top 25%)912(Top 7%)912(Top 16%)
30K18.64 mi3.11 mi11326+4812706+2272706+2279250(Top 32%)1920(Top 15%)1920(Top 34%)
20M20.00 mi1.36 mi11347-212750-442750-4411942(Top 41%)3366(Top 27%)3366(Top 59%)
21M21.00 mi1.00 mi11361-142771-212771-2112383(Top 43%)3718(Top 30%)3718(Top 65%)
35K21.75 mi0.75 mi12136-7753213-4423213-44223815(Top 82%)9881(Top 79%)9881(Top 173%)
23M23.00 mi1.25 mi12184-483274-613274-6113204(Top 45%)4277(Top 34%)4277(Top 75%)
24M24.00 mi1.00 mi12145+393288-143288-1411808(Top 41%)3597(Top 29%)3597(Top 63%)
40K24.85 mi0.85 mi12081+643282+63282+611481(Top 40%)3504(Top 28%)3504(Top 61%)
25.2M25.20 mi0.35 mi12064+173278+43278+411397(Top 39%)3553(Top 28%)3553(Top 62%)
FINISH26.22 mi1.02 mi11890+1743206+723206+728762(Top 30%)2283(Top 18%)2283(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21
+97ft-345ft

Overall

4736

Females

296

F18-39

296

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4405

Females

242

F18-39

242

10K→15K

6.2 - 9.3 mi

Top 16%
×3
+67ft-78ft

Overall

4736

Females

296

F18-39

296

15K→20K

9.3 - 12.4 mi

Top 91%
×5
+106ft-86ft

Overall

26275

Females

10908

F18-39

10908

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6738

Females

765

F18-39

765

HALF→25K

13.1 - 15.5 mi

Top 25%
×4
+66ft-88ft

Overall

7114

Females

912

F18-39

912

25K→30K

15.5 - 18.6 mi

Top 32%
×9
+181ft-148ft

Overall

9250

Females

1920

F18-39

1920

30K→20M

18.6 - 20.0 mi

Top 41%
×5
+64ft-50ft

Overall

11942

Females

3366

F18-39

3366

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12383

Females

3718

F18-39

3718

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23815

Females

9881

F18-39

9881

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13204

Females

4277

F18-39

4277

23M→24M

23.0 - 24.0 mi

Top 41%
×6
+12ft-82ft

Overall

11808

Females

3597

F18-39

3597

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11481

Females

3504

F18-39

3504

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11397

Females

3553

F18-39

3553

25.2M→FINISH

25.2 - 26.2 mi

Top 30%
×2
+22ft-21ft

Overall

8762

Females

2283

F18-39

2283

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2905*
Passed By
1078
Net Change
-7021
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4869
5K → 10K326*61+265#4869#4604
10K → 15K103139-36#4604#4640
15K → 20K0200-8468#4640#13108
20K → HALF326*0+326#13108#12782
HALF → 25K975*0+975#12782#11807
25K → 30K492*11+481#11807#11326
30K → 20M87108-21#11326#11347
20M → 21M8296-14#11347#11361
21M → 35K5200-775#11361#12136
35K → 23M88136-48#12136#12184
23M → 24M9253+39#12184#12145
24M → 40K10945+64#12145#12081
40K → 25.2M3518+17#12081#12064
25.2M → FINISH18511+174#12064#11890
TOTALS2905*1078-7021

* 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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