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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rebecca Yoo

Bib: 21405 •F •Age: N/A

NE

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
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Race Performance Report

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  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
28:45
3.11 mi
Rank: #23631
Start → 5K
28:45 | 9:16/mi
10K
57:57
6.21 mi
Rank: #24009 (-378)
5K → 10K
29:12 | 9:24/mi
15K
1:25:59
9.32 mi
Rank: #23643 (+366)
10K → 15K
28:02 | 9:02/mi
20K
1:54:09
12.43 mi
Rank: #23296 (+347)
15K → 20K
28:10 | 9:04/mi
HALF
2:00:19
13.11 mi
Rank: #23285 (+11)
20K → HALF
6:10 | 9:03/mi
25K
2:22:09
15.53 mi
Rank: #22940 (+345)
HALF → 25K
21:50 | 9:01/mi
30K
2:50:19
18.64 mi
Rank: #22365 (+575)
25K → 30K
28:10 | 9:04/mi
20M
3:02:19
20.00 mi
Rank: #22044 (+321)
30K → 20M
12:00 | 8:51/mi
21M
3:11:28
21.00 mi
Rank: #21777 (+267)
20M → 21M
9:09 | 9:09/mi
35K
3:17:48
21.75 mi
Rank: #21642 (+135)
21M → 35K
6:20 | 8:28/mi
23M
3:28:12
23.00 mi
Rank: #21323 (+319)
35K → 23M
10:24 | 8:19/mi
24M
3:36:07
24.00 mi
Rank: #21040 (+283)
23M → 24M
7:55 | 7:55/mi
40K
3:43:03
24.85 mi
Rank: #20790 (+250)
24M → 40K
6:56 | 8:07/mi
25.2M
3:46:01
25.20 mi
Rank: #20688 (+102)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:53:41
26.22 mi
Rank: #20404 (+284)
25.2M → FINISH
7:40 | 7:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time2:00:19
Pace9:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:22
Pace8:39 /mi
📊Negative Split: 5.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2028:459:1628:45
9:16
-
10K
6.21 mi12:19:3257:579:2029:12
9:24
+0:08
15K
9.32 mi12:47:341:25:599:1428:02
9:02
-0:22
20K
12.43 mi13:15:441:54:099:1228:10
9:04
+0:02
HALF
13.11 mi13:21:542:00:199:116:10
9:03
-0:01
25K
15.53 mi13:43:442:22:099:1021:50
9:01
-0:02
30K
18.64 mi14:11:542:50:199:0928:10
9:04
+0:03
20M
20.00 mi14:23:543:02:199:0712:00
8:51
-0:13
21M
21.00 mi14:33:033:11:289:089:09
9:09
+0:18
35K
21.75 mi14:39:233:17:489:066:20
8:28
-0:41
23M
23.00 mi14:49:473:28:129:0410:24
8:19
-0:09
24M
24.00 mi14:57:423:36:079:017:55
7:55
-0:24
40K
24.85 mi15:04:383:43:038:596:56
8:07
+0:12
25.2M
25.20 mi15:07:363:46:018:592:58
8:37
+0:30
FINISH
26.22 mi15:15:163:53:418:567:40
7:32
-1:05

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

7:32 /mi

Average Pace

8:55 /mi

Slowest Pace

9:24 /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

42:13

18% of race

Time at Steady Pace

2:42:16

69% of race

Time at Slower Pace

29:12

12% of race

Average Pace: 8:55 /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 mi11:50:2028:459:1628:45
9:16
#23631
10K
6.21 mi12:19:3257:579:2029:12
9:24
#24009
15K
9.32 mi12:47:341:25:599:1428:02
9:02
#23643
20K
12.43 mi13:15:441:54:099:1228:10
9:04
#23296
HALF
13.11 mi13:21:542:00:199:116:10
9:03
#23285
25K
15.53 mi13:43:442:22:099:1021:50
9:01
#22940
30K
18.64 mi14:11:542:50:199:0928:10
9:04
#22365
20M
20.00 mi14:23:543:02:199:0712:00
8:51
#22044
21M
21.00 mi14:33:033:11:289:089:09
9:09
#21777
35K
21.75 mi14:39:233:17:489:066:20
8:28
#21642
23M
23.00 mi14:49:473:28:129:0410:24
8:19
#21323
24M
24.00 mi14:57:423:36:079:017:55
7:55
#21040
40K
24.85 mi15:04:383:43:038:596:56
8:07
#20790
25.2M
25.20 mi15:07:363:46:018:592:58
8:37
#20688
FINISH
26.22 mi15:15:163:53:418:567:40
7:32
#20404
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 mi236319487948722823(Top 79%)9042(Top 72%)9042(Top 506%)
10K6.21 mi3.10 mi24009-3789659-1729659-17224266(Top 84%)9792(Top 78%)9792(Top 548%)
15K9.32 mi3.11 mi23643+3669473+1869473+18622823(Top 79%)9042(Top 72%)9042(Top 506%)
20K12.43 mi3.11 mi23296+3479314+1599314+15922221(Top 77%)8773(Top 70%)8773(Top 491%)
HALF13.11 mi0.68 mi23285+119311+39311+322944(Top 79%)9121(Top 73%)9121(Top 511%)
25K15.53 mi2.42 mi22940+3459136+1759136+17521199(Top 73%)8266(Top 66%)8266(Top 463%)
30K18.64 mi3.11 mi22365+5758871+2658871+26519911(Top 69%)7700(Top 61%)7700(Top 431%)
20M20.00 mi1.36 mi22044+3218716+1558716+15518175(Top 63%)6861(Top 55%)6861(Top 384%)
21M21.00 mi1.00 mi21777+2678598+1188598+11816958(Top 58%)6236(Top 50%)6236(Top 349%)
35K21.75 mi0.75 mi21642+1358539+598539+5917464(Top 60%)6620(Top 53%)6620(Top 371%)
23M23.00 mi1.25 mi21323+3198376+1638376+16314571(Top 50%)5046(Top 40%)5046(Top 283%)
24M24.00 mi1.00 mi21040+2838241+1358241+13513206(Top 46%)4384(Top 35%)4384(Top 245%)
40K24.85 mi0.85 mi20790+2508131+1108131+11013272(Top 46%)4495(Top 36%)4495(Top 252%)
25.2M25.20 mi0.35 mi20688+1028087+448087+4412438(Top 43%)4114(Top 33%)4114(Top 230%)
FINISH26.22 mi1.02 mi20404+2847964+1237964+12311683(Top 40%)3717(Top 30%)3717(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22823

Females

9042

F45-49

9042

5K→10K

3.1 - 6.2 mi

Top 84%
×5
+79ft-138ft

Overall

24266

Females

9792

F45-49

9792

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22823

Females

9042

F45-49

9042

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22221

Females

8773

F45-49

8773

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

22944

Females

9121

F45-49

9121

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21199

Females

8266

F45-49

8266

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

19911

Females

7700

F45-49

7700

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18175

Females

6861

F45-49

6861

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16958

Females

6236

F45-49

6236

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17464

Females

6620

F45-49

6620

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14571

Females

5046

F45-49

5046

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13206

Females

4384

F45-49

4384

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13272

Females

4495

F45-49

4495

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12438

Females

4114

F45-49

4114

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11683

Females

3717

F45-49

3717

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3780*
Passed By
293
Net Change
+3227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23631
5K → 10K82200-378#23631#24009
10K → 15K396*30+366#24009#23643
15K → 20K366*19+347#23643#23296
20K → HALF3625+11#23296#23285
HALF → 25K358*13+345#23285#22940
25K → 30K577*2+575#22940#22365
30K → 20M321*0+321#22365#22044
20M → 21M268*1+267#22044#21777
21M → 35K1361+135#21777#21642
35K → 23M319*0+319#21642#21323
23M → 24M283*0+283#21323#21040
24M → 40K252*2+250#21040#20790
40K → 25.2M1020+102#20790#20688
25.2M → FINISH284*0+284#20688#20404
TOTALS3780*293+3227

* 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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