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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Reilly Kiernan

Bib: 4642 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 10%
Gender (Female)
#0 / 12578
Top 1%
Age Group (F18-39)
#0 / 5716
Top 2%
Race Day Weather
51°/41°F
overcast clouds

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
20:08
3.11 mi
Rank: #4055
Start → 5K
20:08 | 6:29/mi
10K
40:23
6.21 mi
Rank: #4195 (-140)
5K → 10K
20:15 | 6:32/mi
15K
1:00:49
9.32 mi
Rank: #4381 (-186)
10K → 15K
20:26 | 6:35/mi
20K
1:21:14
12.43 mi
Rank: #4317 (+64)
15K → 20K
20:25 | 6:35/mi
HALF
1:25:34
13.11 mi
Rank: #4267 (+50)
20K → HALF
4:20 | 6:22/mi
25K
1:41:21
15.53 mi
Rank: #4112 (+155)
HALF → 25K
15:47 | 6:31/mi
30K
2:01:24
18.64 mi
Rank: #3710 (+402)
25K → 30K
20:03 | 6:28/mi
20M
2:10:01
20.00 mi
Rank: #3499 (+211)
30K → 20M
8:37 | 6:21/mi
21M
2:16:32
21.00 mi
Rank: #3322 (+177)
20M → 21M
6:31 | 6:31/mi
35K
2:21:05
21.75 mi
Rank: #3225 (+97)
21M → 35K
4:33 | 6:05/mi
23M
2:29:04
23.00 mi
Rank: #3089 (+136)
35K → 23M
7:59 | 6:23/mi
24M
2:35:23
24.00 mi
Rank: #3026 (+63)
23M → 24M
6:19 | 6:19/mi
40K
2:40:48
24.85 mi
Rank: #2951 (+75)
24M → 40K
5:25 | 6:21/mi
25.2M
2:43:05
25.20 mi
Rank: #2908 (+43)
40K → 25.2M
2:17 | 6:38/mi
FINISH
2:49:16
26.22 mi
Rank: #2837 (+71)
25.2M → FINISH
6:11 | 6:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:25:34
Pace6:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:42
Pace6:24 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0920:086:2920:08
6:29
-
10K
6.21 mi10:43:2440:236:3020:15
6:32
+0:03
15K
9.32 mi11:03:501:00:496:3220:26
6:35
+0:03
20K
12.43 mi11:24:151:21:146:3320:25
6:35
0:00
HALF
13.11 mi11:28:351:25:346:324:20
6:22
-0:13
25K
15.53 mi11:44:221:41:216:3215:47
6:31
+0:09
30K
18.64 mi12:04:252:01:246:3120:03
6:28
-0:03
20M
20.00 mi12:13:022:10:016:318:37
6:21
-0:07
21M
21.00 mi12:19:332:16:326:316:31
6:31
+0:10
35K
21.75 mi12:24:062:21:056:304:33
6:05
-0:26
23M
23.00 mi12:32:052:29:046:297:59
6:23
+0:18
24M
24.00 mi12:38:242:35:236:296:19
6:19
-0:04
40K
24.85 mi12:43:492:40:486:295:25
6:21
+0:02
25.2M
25.20 mi12:46:062:43:056:292:17
6:38
+0:17
FINISH
26.22 mi12:52:172:49:166:286:11
6:05
-0:33

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

6:05 /mi

Average Pace

6:28 /mi

Slowest Pace

6:38 /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

43:24

26% of race

Time at Steady Pace

2:05:52

74% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:23:0920:086:2920:08
6:29
#4055
10K
6.21 mi10:43:2440:236:3020:15
6:32
#4195
15K
9.32 mi11:03:501:00:496:3220:26
6:35
#4381
20K
12.43 mi11:24:151:21:146:3320:25
6:35
#4317
HALF
13.11 mi11:28:351:25:346:324:20
6:22
#4267
25K
15.53 mi11:44:221:41:216:3215:47
6:31
#4112
30K
18.64 mi12:04:252:01:246:3120:03
6:28
#3710
20M
20.00 mi12:13:022:10:016:318:37
6:21
#3499
21M
21.00 mi12:19:332:16:326:316:31
6:31
#3322
35K
21.75 mi12:24:062:21:056:304:33
6:05
#3225
23M
23.00 mi12:32:052:29:046:297:59
6:23
#3089
24M
24.00 mi12:38:242:35:236:296:19
6:19
#3026
40K
24.85 mi12:43:492:40:486:295:25
6:21
#2951
25.2M
25.20 mi12:46:062:43:056:292:17
6:38
#2908
FINISH
26.22 mi12:52:172:49:166:286:11
6:05
#2837
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 mi40551971974773(Top 16%)297(Top 2%)297(Top 5%)
10K6.21 mi3.10 mi4195-140212-15212-154402(Top 15%)239(Top 2%)239(Top 4%)
15K9.32 mi3.11 mi4381-186235-23235-234773(Top 16%)297(Top 2%)297(Top 5%)
20K12.43 mi3.11 mi4317+64229+6229+64243(Top 15%)232(Top 2%)232(Top 4%)
HALF13.11 mi0.68 mi4267+50223+6223+63503(Top 12%)143(Top 1%)143(Top 3%)
25K15.53 mi2.42 mi4112+155217+6217+63506(Top 12%)169(Top 1%)169(Top 3%)
30K18.64 mi3.11 mi3710+402175+42175+422340(Top 8%)97(Top 0.8%)97(Top 2%)
20M20.00 mi1.36 mi3499+211159+16159+161744(Top 6%)73(Top 0.6%)73(Top 1%)
21M21.00 mi1.00 mi3322+177144+15144+151355(Top 5%)52(Top 0.4%)52(Top 0.9%)
35K21.75 mi0.75 mi3225+97139+5139+51559(Top 5%)65(Top 0.5%)65(Top 1%)
23M23.00 mi1.25 mi3089+136133+6133+61909(Top 7%)94(Top 0.7%)94(Top 2%)
24M24.00 mi1.00 mi3026+63130+3130+32295(Top 8%)149(Top 1%)149(Top 3%)
40K24.85 mi0.85 mi2951+75128+2128+21894(Top 7%)112(Top 0.9%)112(Top 2%)
25.2M25.20 mi0.35 mi2908+43126+2126+21314(Top 5%)71(Top 0.6%)71(Top 1%)
FINISH26.22 mi1.02 mi2837+711261261930(Top 7%)136(Top 1%)136(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21
+97ft-345ft

Overall

4773

Females

297

F18-39

297

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4402

Females

239

F18-39

239

10K→15K

6.2 - 9.3 mi

Top 16%
×3
+67ft-78ft

Overall

4773

Females

297

F18-39

297

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4243

Females

232

F18-39

232

20K→HALF

12.4 - 13.1 mi

Top 12%
×2
+19ft-37ft

Overall

3503

Females

143

F18-39

143

HALF→25K

13.1 - 15.5 mi

Top 12%
×4
+66ft-88ft

Overall

3506

Females

169

F18-39

169

25K→30K

15.5 - 18.6 mi

Top 8%
×9
+181ft-148ft

Overall

2340

Females

97

F18-39

97

30K→20M

18.6 - 20.0 mi

Top 6%
×5
+64ft-50ft

Overall

1744

Females

73

F18-39

73

20M→21M

20.0 - 21.0 mi

Top 5%
×8
+106ft-24ft

Overall

1355

Females

52

F18-39

52

21M→35K

21.0 - 21.8 mi

Top 5%
×7
+17ft-86ft

Overall

1559

Females

65

F18-39

65

35K→23M

21.8 - 23.0 mi

Top 7%
×5
+23ft-63ft

Overall

1909

Females

94

F18-39

94

23M→24M

23.0 - 24.0 mi

Top 8%
×6
+12ft-82ft

Overall

2295

Females

149

F18-39

149

24M→40K

24.0 - 24.9 mi

Top 7%
×1
+6ft-20ft

Overall

1894

Females

112

F18-39

112

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1
+13ft-16ft

Overall

1314

Females

71

F18-39

71

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
×2
+22ft-21ft

Overall

1930

Females

136

F18-39

136

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1816*
Passed By
528
Net Change
+1218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4055
5K → 10K93200-140#4055#4195
10K → 15K51200-186#4195#4381
15K → 20K12561+64#4381#4317
20K → HALF522+50#4317#4267
HALF → 25K17419+155#4267#4112
25K → 30K402*0+402#4112#3710
30K → 20M211*0+211#3710#3499
20M → 21M1781+177#3499#3322
21M → 35K992+97#3322#3225
35K → 23M1415+136#3225#3089
23M → 24M8421+63#3089#3026
24M → 40K849+75#3026#2951
40K → 25.2M430+43#2951#2908
25.2M → FINISH798+71#2908#2837
TOTALS1816*528+1218

* 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

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