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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shannon Bailey

Bib: 27136 •M •Age: N/A

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds
Personalized for Shannon

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 · 11:34/mi at mile 3.1

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
35:55
3.11 mi
Rank: #28561
Start → 5K
35:55 | 11:34/mi
10K
1:12:42
6.21 mi
Rank: #28551 (+10)
5K → 10K
36:47 | 11:51/mi
15K
1:50:26
9.32 mi
Rank: #28524 (+27)
10K → 15K
37:44 | 12:09/mi
20K
2:35:18
12.43 mi
Rank: #28763 (-239)
15K → 20K
44:52 | 14:27/mi
HALF
2:43:15
13.11 mi
Rank: #28743 (+20)
20K → HALF
7:57 | 11:40/mi
25K
3:15:04
15.53 mi
Rank: #28696 (+47)
HALF → 25K
31:49 | 13:08/mi
30K
4:04:35
18.64 mi
Rank: #28804 (-108)
25K → 30K
49:31 | 15:57/mi
20M
4:25:57
20.00 mi
Rank: #28822 (-18)
30K → 20M
21:22 | 15:44/mi
21M
4:42:10
21.00 mi
Rank: #28825 (-3)
20M → 21M
16:13 | 16:13/mi
35K
4:53:20
21.75 mi
Rank: #28834 (-9)
21M → 35K
11:10 | 14:56/mi
23M
5:16:17
23.00 mi
Rank: #28907 (-73)
35K → 23M
22:57 | 18:21/mi
24M
5:31:48
24.00 mi
Rank: #28924 (-17)
23M → 24M
15:31 | 15:31/mi
40K
5:44:50
24.85 mi
Rank: #28935 (-11)
24M → 40K
13:02 | 15:15/mi
25.2M
5:50:04
25.20 mi
Rank: #28936 (-1)
40K → 25.2M
5:14 | 15:11/mi
FINISH
6:03:48
26.22 mi
Rank: #28934 (+2)
25.2M → FINISH
13:44 | 13:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:43:15
Pace12:28 /mi
2nd Half
Distance13.11 mi
Time3:20:33
Pace15:18 /mi
📊Positive Split: 22.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:1335:5511:3435:55
11:34
-
10K
6.21 mi12:36:001:12:4211:4236:47
11:51
+0:17
15K
9.32 mi13:13:441:50:2611:5137:44
12:09
+0:18
20K
12.43 mi13:58:362:35:1812:3044:52
14:27
+2:18
HALF
13.11 mi14:06:332:43:1512:287:57
11:40
-2:47
25K
15.53 mi14:38:223:15:0412:3431:49
13:08
+1:28
30K
18.64 mi15:27:534:04:3513:0849:31
15:57
+2:49
20M
20.00 mi15:49:154:25:5713:1821:22
15:44
-0:13
21M
21.00 mi16:05:284:42:1013:2716:13
16:13
+0:29
35K
21.75 mi16:16:384:53:2013:3011:10
14:56
-1:17
23M
23.00 mi16:39:355:16:1713:4622:57
18:21
+3:25
24M
24.00 mi16:55:065:31:4813:5015:31
15:31
-2:50
40K
24.85 mi17:08:085:44:5013:5313:02
15:15
-0:16
25.2M
25.20 mi17:13:225:50:0413:545:14
15:11
-0:04
FINISH
26.22 mi17:27:066:03:4813:5413:44
13:29
-1:42

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

11:34 /mi

Average Pace

13:53 /mi

Slowest Pace

18:21 /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

2:43:56

45% of race

Time at Steady Pace

1:51:11

31% of race

Time at Slower Pace

1:28:41

24% of race

Average Pace: 13:52 /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 mi11:59:1335:5511:3435:55
11:34
#28561
10K
6.21 mi12:36:001:12:4211:4236:47
11:51
#28551
15K
9.32 mi13:13:441:50:2611:5137:44
12:09
#28524
20K
12.43 mi13:58:362:35:1812:3044:52
14:27
#28763
HALF
13.11 mi14:06:332:43:1512:287:57
11:40
#28743
25K
15.53 mi14:38:223:15:0412:3431:49
13:08
#28696
30K
18.64 mi15:27:534:04:3513:0849:31
15:57
#28804
20M
20.00 mi15:49:154:25:5713:1821:22
15:44
#28822
21M
21.00 mi16:05:284:42:1013:2716:13
16:13
#28825
35K
21.75 mi16:16:384:53:2013:3011:10
14:56
#28834
23M
23.00 mi16:39:355:16:1713:4622:57
18:21
#28907
24M
24.00 mi16:55:065:31:4813:5015:31
15:31
#28924
40K
24.85 mi17:08:085:44:5013:5313:02
15:15
#28935
25.2M
25.20 mi17:13:225:50:0413:545:14
15:11
#28936
FINISH
26.22 mi17:27:066:03:4813:5413:44
13:29
#28934
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi28561162001620028458(Top 98%)16150(Top 99%)16150(Top 865%)
10K6.21 mi3.10 mi28551+1016195+516195+528487(Top 98%)16167(Top 99%)16167(Top 865%)
15K9.32 mi3.11 mi28524+2716183+1216183+1228458(Top 98%)16150(Top 99%)16150(Top 865%)
20K12.43 mi3.11 mi28763-23916258-7516258-7528959(Top 100%)16309(Top 100%)16309(Top 873%)
HALF13.11 mi0.68 mi28743+2016248+1016248+1028041(Top 97%)15957(Top 98%)15957(Top 854%)
25K15.53 mi2.42 mi28696+4716233+1516233+1528295(Top 97%)16059(Top 98%)16059(Top 860%)
30K18.64 mi3.11 mi28804-10816260-2716260-2728913(Top 100%)16283(Top 100%)16283(Top 872%)
20M20.00 mi1.36 mi28822-1816264-416264-428784(Top 99%)16219(Top 99%)16219(Top 868%)
21M21.00 mi1.00 mi28825-316262+216262+228664(Top 99%)16150(Top 99%)16150(Top 865%)
35K21.75 mi0.75 mi28834-916265-316265-328689(Top 99%)16143(Top 99%)16143(Top 864%)
23M23.00 mi1.25 mi28907-7316292-2716292-2728976(Top 100%)16311(Top 100%)16311(Top 873%)
24M24.00 mi1.00 mi28924-1716295-316295-328823(Top 99%)16216(Top 99%)16216(Top 868%)
40K24.85 mi0.85 mi28935-1116298-316298-328556(Top 98%)16062(Top 98%)16062(Top 860%)
25.2M25.20 mi0.35 mi28936-116297+116297+128029(Top 97%)15788(Top 97%)15788(Top 845%)
FINISH26.22 mi1.02 mi28934+216296+116296+128478(Top 98%)16031(Top 98%)16031(Top 858%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21
+97ft-345ft

Overall

28458

Males

16150

M50-54

16150

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28487

Males

16167

M50-54

16167

10K→15K

6.2 - 9.3 mi

Top 98%
×3
+67ft-78ft

Overall

28458

Males

16150

M50-54

16150

15K→20K

9.3 - 12.4 mi

Top 100%
×5
+106ft-86ft

Overall

28959

Males

16309

M50-54

16309

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28041

Males

15957

M50-54

15957

HALF→25K

13.1 - 15.5 mi

Top 97%
×4
+66ft-88ft

Overall

28295

Males

16059

M50-54

16059

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28913

Males

16283

M50-54

16283

30K→20M

18.6 - 20.0 mi

Top 99%
×5
+64ft-50ft

Overall

28784

Males

16219

M50-54

16219

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28664

Males

16150

M50-54

16150

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28689

Males

16143

M50-54

16143

35K→23M

21.8 - 23.0 mi

Top 100%
×5
+23ft-63ft

Overall

28976

Males

16311

M50-54

16311

23M→24M

23.0 - 24.0 mi

Top 99%
×6
+12ft-82ft

Overall

28823

Males

16216

M50-54

16216

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28556

Males

16062

M50-54

16062

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28029

Males

15788

M50-54

15788

25.2M→FINISH

25.2 - 26.2 mi

Top 98%
×2
+22ft-21ft

Overall

28478

Males

16031

M50-54

16031

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
274
Passed By
602
Net Change
-373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28561
5K → 10K8373+10#28561#28551
10K → 15K7245+27#28551#28524
15K → 20K6200-239#28524#28763
20K → HALF211+20#28763#28743
HALF → 25K536+47#28743#28696
25K → 30K7115-108#28696#28804
30K → 20M826-18#28804#28822
20M → 21M1013-3#28822#28825
21M → 35K514-9#28825#28834
35K → 23M073-73#28834#28907
23M → 24M118-17#28907#28924
24M → 40K314-11#28924#28935
40K → 25.2M12-1#28935#28936
25.2M → FINISH42+2#28936#28934
TOTALS274602-373
📊

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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