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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

April Irwin

Bib: 21578 •F •Age: N/A

NC

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
Top 42%
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds
Personalized for April

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 · 7:41/mi at mile 26.2

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
27:37
3.11 mi
Rank: #22132
Start → 5K
27:37 | 8:54/mi
10K
53:18
6.21 mi
Rank: #20612 (+1520)
5K → 10K
25:41 | 8:16/mi
15K
1:19:06
9.32 mi
Rank: #20068 (+544)
10K → 15K
25:48 | 8:19/mi
20K
1:45:29
12.43 mi
Rank: #19849 (+219)
15K → 20K
26:23 | 8:30/mi
HALF
1:51:06
13.11 mi
Rank: #19789 (+60)
20K → HALF
5:37 | 8:15/mi
25K
2:11:42
15.53 mi
Rank: #19601 (+188)
HALF → 25K
20:36 | 8:30/mi
30K
2:38:26
18.64 mi
Rank: #19200 (+401)
25K → 30K
26:44 | 8:37/mi
20M
2:50:04
20.00 mi
Rank: #19002 (+198)
30K → 20M
11:38 | 8:34/mi
21M
2:59:31
21.00 mi
Rank: #18966 (+36)
20M → 21M
9:27 | 9:27/mi
35K
3:05:42
21.75 mi
Rank: #18836 (+130)
21M → 35K
6:11 | 8:16/mi
23M
3:16:17
23.00 mi
Rank: #18642 (+194)
35K → 23M
10:35 | 8:28/mi
24M
3:24:11
24.00 mi
Rank: #18415 (+227)
23M → 24M
7:54 | 7:54/mi
40K
3:30:56
24.85 mi
Rank: #18195 (+220)
24M → 40K
6:45 | 7:54/mi
25.2M
3:33:56
25.20 mi
Rank: #18103 (+92)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:41:46
26.22 mi
Rank: #17891 (+212)
25.2M → FINISH
7:50 | 7:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:51:06
Pace8:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:40
Pace8:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:1427:378:5427:37
8:54
-
10K
6.21 mi11:55:5553:188:3525:41
8:16
-0:38
15K
9.32 mi12:21:431:19:068:3025:48
8:19
+0:03
20K
12.43 mi12:48:061:45:298:3026:23
8:30
+0:11
HALF
13.11 mi12:53:431:51:068:295:37
8:15
-0:15
25K
15.53 mi13:14:192:11:428:2920:36
8:30
+0:15
30K
18.64 mi13:41:032:38:268:3026:44
8:37
+0:07
20M
20.00 mi13:52:412:50:048:3111:38
8:34
-0:03
21M
21.00 mi14:02:082:59:318:339:27
9:27
+0:53
35K
21.75 mi14:08:193:05:428:336:11
8:16
-1:11
23M
23.00 mi14:18:543:16:178:3310:35
8:28
+0:12
24M
24.00 mi14:26:483:24:118:317:54
7:54
-0:34
40K
24.85 mi14:33:333:30:568:306:45
7:54
0:00
25.2M
25.20 mi14:36:333:33:568:303:00
8:42
+0:48
FINISH
26.22 mi14:44:233:41:468:287:50
7:42
-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

7:42 /mi

Average Pace

8:28 /mi

Slowest Pace

9:27 /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

28:06

13% of race

Time at Steady Pace

2:33:36

69% of race

Time at Slower Pace

40:04

18% of race

Average Pace: 8:27 /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 mi11:30:1427:378:5427:37
8:54
#22132
10K
6.21 mi11:55:5553:188:3525:41
8:16
#20612
15K
9.32 mi12:21:431:19:068:3025:48
8:19
#20068
20K
12.43 mi12:48:061:45:298:3026:23
8:30
#19849
HALF
13.11 mi12:53:431:51:068:295:37
8:15
#19789
25K
15.53 mi13:14:192:11:428:2920:36
8:30
#19601
30K
18.64 mi13:41:032:38:268:3026:44
8:37
#19200
20M
20.00 mi13:52:412:50:048:3111:38
8:34
#19002
21M
21.00 mi14:02:082:59:318:339:27
9:27
#18966
35K
21.75 mi14:08:193:05:428:336:11
8:16
#18836
23M
23.00 mi14:18:543:16:178:3310:35
8:28
#18642
24M
24.00 mi14:26:483:24:118:317:54
7:54
#18415
40K
24.85 mi14:33:333:30:568:306:45
7:54
#18195
25.2M
25.20 mi14:36:333:33:568:303:00
8:42
#18103
FINISH
26.22 mi14:44:233:41:468:287:50
7:42
#17891
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 mi221328755875519013(Top 66%)7046(Top 56%)7046(Top 395%)
10K6.21 mi3.10 mi20612+15207945+8107945+81018974(Top 65%)7014(Top 56%)7014(Top 393%)
15K9.32 mi3.11 mi20068+5447645+3007645+30019013(Top 66%)7046(Top 56%)7046(Top 395%)
20K12.43 mi3.11 mi19849+2197550+957550+9519264(Top 66%)7220(Top 57%)7220(Top 404%)
HALF13.11 mi0.68 mi19789+607512+387512+3818665(Top 64%)6855(Top 54%)6855(Top 384%)
25K15.53 mi2.42 mi19601+1887411+1017411+10118555(Top 64%)6874(Top 55%)6874(Top 385%)
30K18.64 mi3.11 mi19200+4017222+1897222+18917513(Top 60%)6406(Top 51%)6406(Top 359%)
20M20.00 mi1.36 mi19002+1987122+1007122+10016600(Top 57%)5978(Top 48%)5978(Top 335%)
21M21.00 mi1.00 mi18966+367117+57117+518320(Top 63%)6959(Top 55%)6959(Top 390%)
35K21.75 mi0.75 mi18836+1307060+577060+5716265(Top 56%)5911(Top 47%)5911(Top 331%)
23M23.00 mi1.25 mi18642+1946964+966964+9615476(Top 53%)5543(Top 44%)5543(Top 310%)
24M24.00 mi1.00 mi18415+2276858+1066858+10613081(Top 45%)4309(Top 34%)4309(Top 241%)
40K24.85 mi0.85 mi18195+2206751+1076751+10711820(Top 41%)3701(Top 29%)3701(Top 207%)
25.2M25.20 mi0.35 mi18103+926709+426709+4213046(Top 45%)4434(Top 35%)4434(Top 248%)
FINISH26.22 mi1.02 mi17891+2126618+916618+9112933(Top 45%)4365(Top 35%)4365(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19013

Females

7046

F45-49

7046

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18974

Females

7014

F45-49

7014

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19013

Females

7046

F45-49

7046

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19264

Females

7220

F45-49

7220

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18665

Females

6855

F45-49

6855

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18555

Females

6874

F45-49

6874

25K→30K

15.5 - 18.6 mi

Top 60%
×9
+181ft-148ft

Overall

17513

Females

6406

F45-49

6406

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16600

Females

5978

F45-49

5978

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18320

Females

6959

F45-49

6959

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16265

Females

5911

F45-49

5911

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15476

Females

5543

F45-49

5543

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13081

Females

4309

F45-49

4309

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11820

Females

3701

F45-49

3701

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13046

Females

4434

F45-49

4434

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

12933

Females

4365

F45-49

4365

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4543*
Passed By
302
Net Change
+4241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22132
5K → 10K1542*22+1520#22132#20612
10K → 15K584*40+544#20612#20068
15K → 20K273*54+219#20068#19849
20K → HALF7212+60#19849#19789
HALF → 25K225*37+188#19789#19601
25K → 30K430*29+401#19601#19200
30K → 20M216*18+198#19200#19002
20M → 21M10367+36#19002#18966
21M → 35K1344+130#18966#18836
35K → 23M206*12+194#18836#18642
23M → 24M227*0+227#18642#18415
24M → 40K221*1+220#18415#18195
40K → 25.2M920+92#18195#18103
25.2M → FINISH218*6+212#18103#17891
TOTALS4543*302+4241

* 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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