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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Biyun Jin

Bib: 25310 •F •Age: N/A

MD

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

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 · 9:07/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
28:33
3.11 mi
Rank: #23432
Start → 5K
28:33 | 9:12/mi
10K
56:55
6.21 mi
Rank: #23420 (+12)
5K → 10K
28:22 | 9:08/mi
15K
1:25:24
9.32 mi
Rank: #23419 (+1)
10K → 15K
28:29 | 9:11/mi
20K
1:53:58
12.43 mi
Rank: #23237 (+182)
15K → 20K
28:34 | 9:12/mi
HALF
2:00:11
13.11 mi
Rank: #23250 (-13)
20K → HALF
6:13 | 9:08/mi
25K
2:22:49
15.53 mi
Rank: #23077 (+173)
HALF → 25K
22:38 | 9:20/mi
30K
2:52:21
18.64 mi
Rank: #22806 (+271)
25K → 30K
29:32 | 9:31/mi
20M
3:05:17
20.00 mi
Rank: #22654 (+152)
30K → 20M
12:56 | 9:32/mi
21M
3:15:53
21.00 mi
Rank: #22613 (+41)
20M → 21M
10:36 | 10:36/mi
35K
3:22:56
21.75 mi
Rank: #22584 (+29)
21M → 35K
7:03 | 9:26/mi
23M
3:35:01
23.00 mi
Rank: #22474 (+110)
35K → 23M
12:05 | 9:40/mi
24M
3:44:16
24.00 mi
Rank: #22390 (+84)
23M → 24M
9:15 | 9:15/mi
40K
3:52:50
24.85 mi
Rank: #22363 (+27)
24M → 40K
8:34 | 10:02/mi
25.2M
3:56:24
25.20 mi
Rank: #22331 (+32)
40K → 25.2M
3:34 | 10:21/mi
FINISH
4:06:05
26.22 mi
Rank: #22328 (+3)
25.2M → FINISH
9:41 | 9:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:11
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:05:54
Pace9:37 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:4828:339:1228:33
9:12
-
10K
6.21 mi12:03:1056:559:1028:22
9:08
-0:04
15K
9.32 mi12:31:391:25:249:1028:29
9:11
+0:03
20K
12.43 mi13:00:131:53:589:1128:34
9:12
+0:01
HALF
13.11 mi13:06:262:00:119:116:13
9:08
-0:04
25K
15.53 mi13:29:042:22:499:1222:38
9:20
+0:12
30K
18.64 mi13:58:362:52:219:1529:32
9:31
+0:11
20M
20.00 mi14:11:323:05:179:1612:56
9:32
+0:01
21M
21.00 mi14:22:083:15:539:2010:36
10:36
+1:04
35K
21.75 mi14:29:113:22:569:207:03
9:26
-1:10
23M
23.00 mi14:41:163:35:019:2112:05
9:40
+0:14
24M
24.00 mi14:50:313:44:169:219:15
9:15
-0:25
40K
24.85 mi14:59:053:52:509:238:34
10:02
+0:47
25.2M
25.20 mi15:02:393:56:249:233:34
10:21
+0:19
FINISH
26.22 mi15:12:204:06:059:249:41
9:31
-0:50

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

9:08 /mi

Average Pace

9:24 /mi

Slowest Pace

10:36 /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

3:51:55

94% of race

Time at Steady Pace

14:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:23 /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 mi11:34:4828:339:1228:33
9:12
#23432
10K
6.21 mi12:03:1056:559:1028:22
9:08
#23420
15K
9.32 mi12:31:391:25:249:1028:29
9:11
#23419
20K
12.43 mi13:00:131:53:589:1128:34
9:12
#23237
HALF
13.11 mi13:06:262:00:119:116:13
9:08
#23250
25K
15.53 mi13:29:042:22:499:1222:38
9:20
#23077
30K
18.64 mi13:58:362:52:219:1529:32
9:31
#22806
20M
20.00 mi14:11:323:05:179:1612:56
9:32
#22654
21M
21.00 mi14:22:083:15:539:2010:36
10:36
#22613
35K
21.75 mi14:29:113:22:569:207:03
9:26
#22584
23M
23.00 mi14:41:163:35:019:2112:05
9:40
#22474
24M
24.00 mi14:50:313:44:169:219:15
9:15
#22390
40K
24.85 mi14:59:053:52:509:238:34
10:02
#22363
25.2M
25.20 mi15:02:393:56:249:233:34
10:21
#22331
FINISH
26.22 mi15:12:204:06:059:249:41
9:31
#22328
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 mi234329386938623392(Top 81%)9348(Top 74%)9348(Top 1195%)
10K6.21 mi3.10 mi23420+129367+199367+1923354(Top 80%)9327(Top 74%)9327(Top 1193%)
15K9.32 mi3.11 mi23419+19370-39370-323392(Top 81%)9348(Top 74%)9348(Top 1195%)
20K12.43 mi3.11 mi23237+1829285+859285+8522730(Top 78%)9036(Top 72%)9036(Top 1155%)
HALF13.11 mi0.68 mi23250-139290-59290-523219(Top 80%)9267(Top 74%)9267(Top 1185%)
25K15.53 mi2.42 mi23077+1739203+879203+8722509(Top 78%)8935(Top 71%)8935(Top 1143%)
30K18.64 mi3.11 mi22806+2719100+1039100+10321672(Top 75%)8609(Top 68%)8609(Top 1101%)
20M20.00 mi1.36 mi22654+1529042+589042+5821153(Top 73%)8429(Top 67%)8429(Top 1078%)
21M21.00 mi1.00 mi22613+419035+79035+722199(Top 76%)8993(Top 71%)8993(Top 1150%)
35K21.75 mi0.75 mi22584+299026+99026+921550(Top 74%)8725(Top 69%)8725(Top 1116%)
23M23.00 mi1.25 mi22474+1108993+338993+3321122(Top 73%)8537(Top 68%)8537(Top 1092%)
24M24.00 mi1.00 mi22390+848954+398954+3920482(Top 71%)8287(Top 66%)8287(Top 1060%)
40K24.85 mi0.85 mi22363+278959-58959-521999(Top 76%)9099(Top 72%)9099(Top 1164%)
25.2M25.20 mi0.35 mi22331+328950+98950+920638(Top 71%)8393(Top 67%)8393(Top 1073%)
FINISH26.22 mi1.02 mi22328+38961-118961-1122372(Top 77%)9268(Top 74%)9268(Top 1185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21
+97ft-345ft

Overall

23392

Females

9348

F60-64

9348

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23354

Females

9327

F60-64

9327

10K→15K

6.2 - 9.3 mi

Top 81%
×3
+67ft-78ft

Overall

23392

Females

9348

F60-64

9348

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22730

Females

9036

F60-64

9036

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23219

Females

9267

F60-64

9267

HALF→25K

13.1 - 15.5 mi

Top 78%
×4
+66ft-88ft

Overall

22509

Females

8935

F60-64

8935

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21672

Females

8609

F60-64

8609

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21153

Females

8429

F60-64

8429

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22199

Females

8993

F60-64

8993

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21550

Females

8725

F60-64

8725

35K→23M

21.8 - 23.0 mi

Top 73%
×5
+23ft-63ft

Overall

21122

Females

8537

F60-64

8537

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20482

Females

8287

F60-64

8287

24M→40K

24.0 - 24.9 mi

Top 76%
×1
+6ft-20ft

Overall

21999

Females

9099

F60-64

9099

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20638

Females

8393

F60-64

8393

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22372

Females

9268

F60-64

9268

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1850*
Passed By
746
Net Change
+1104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23432
5K → 10K212*200+12#23432#23420
10K → 15K163162+1#23420#23419
15K → 20K249*67+182#23419#23237
20K → HALF2134-13#23237#23250
HALF → 25K231*58+173#23250#23077
25K → 30K300*29+271#23077#22806
30K → 20M16816+152#22806#22654
20M → 21M8847+41#22654#22613
21M → 35K5324+29#22613#22584
35K → 23M13525+110#22584#22474
23M → 24M906+84#22474#22390
24M → 40K6639+27#22390#22363
40K → 25.2M386+32#22363#22331
25.2M → FINISH3633+3#22331#22328
TOTALS1850*746+1104

* 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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