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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sinead O'Reilly

Bib: 8770 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 40%
Gender (Female)
#0 / 12578
Top 24%
Masters (Masters Women)
#0 / 6862
Top 9%
Age Group (F45-49)
#0 / 1786
Top 10%
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
22:57
3.11 mi
Rank: #11843
Start → 5K
22:57 | 7:24/mi
10K
45:51
6.21 mi
Rank: #11798 (+45)
5K → 10K
22:54 | 7:23/mi
15K
1:09:11
9.32 mi
Rank: #12127 (-329)
10K → 15K
23:20 | 7:31/mi
20K
1:32:41
12.43 mi
Rank: #12233 (-106)
15K → 20K
23:30 | 7:34/mi
HALF
1:37:45
13.11 mi
Rank: #12231 (+2)
20K → HALF
5:04 | 7:26/mi
25K
1:56:09
15.53 mi
Rank: #12205 (+26)
HALF → 25K
18:24 | 7:36/mi
30K
2:20:27
18.64 mi
Rank: #12163 (+42)
25K → 30K
24:18 | 7:50/mi
20M
2:31:00
20.00 mi
Rank: #12078 (+85)
30K → 20M
10:33 | 7:47/mi
21M
2:39:25
21.00 mi
Rank: #12097 (-19)
20M → 21M
8:25 | 8:25/mi
35K
2:45:15
21.75 mi
Rank: #12115 (-18)
21M → 35K
5:50 | 7:48/mi
23M
2:55:02
23.00 mi
Rank: #12017 (+98)
35K → 23M
9:47 | 7:50/mi
24M
3:02:20
24.00 mi
Rank: #11809 (+208)
23M → 24M
7:18 | 7:18/mi
40K
3:08:46
24.85 mi
Rank: #11671 (+138)
24M → 40K
6:26 | 7:32/mi
25.2M
3:11:39
25.20 mi
Rank: #11660 (+11)
40K → 25.2M
2:53 | 8:22/mi
FINISH
3:19:02
26.22 mi
Rank: #11537 (+123)
25.2M → FINISH
7:23 | 7:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:45
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:41:17
Pace7:44 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4022:577:2422:57
7:24
-
10K
6.21 mi11:01:3445:517:2322:54
7:23
-0:01
15K
9.32 mi11:24:541:09:117:2623:20
7:31
+0:08
20K
12.43 mi11:48:241:32:417:2823:30
7:34
+0:03
HALF
13.11 mi11:53:281:37:457:285:04
7:26
-0:08
25K
15.53 mi12:11:521:56:097:2918:24
7:36
+0:10
30K
18.64 mi12:36:102:20:277:3324:18
7:50
+0:14
20M
20.00 mi12:46:432:31:007:3410:33
7:47
-0:03
21M
21.00 mi12:55:082:39:257:368:25
8:25
+0:38
35K
21.75 mi13:00:582:45:157:365:50
7:48
-0:37
23M
23.00 mi13:10:452:55:027:379:47
7:50
+0:02
24M
24.00 mi13:18:033:02:207:367:18
7:18
-0:32
40K
24.85 mi13:24:293:08:467:366:26
7:32
+0:14
25.2M
25.20 mi13:27:223:11:397:372:53
8:22
+0:50
FINISH
26.22 mi13:34:453:19:027:367:23
7:15
-1:07

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

7:15 /mi

Average Pace

7:36 /mi

Slowest Pace

8:25 /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

3:07:44

94% of race

Time at Steady Pace

11:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:38:4022:577:2422:57
7:24
#11843
10K
6.21 mi11:01:3445:517:2322:54
7:23
#11798
15K
9.32 mi11:24:541:09:117:2623:20
7:31
#12127
20K
12.43 mi11:48:241:32:417:2823:30
7:34
#12233
HALF
13.11 mi11:53:281:37:457:285:04
7:26
#12231
25K
15.53 mi12:11:521:56:097:2918:24
7:36
#12205
30K
18.64 mi12:36:102:20:277:3324:18
7:50
#12163
20M
20.00 mi12:46:432:31:007:3410:33
7:47
#12078
21M
21.00 mi12:55:082:39:257:368:25
8:25
#12097
35K
21.75 mi13:00:582:45:157:365:50
7:48
#12115
23M
23.00 mi13:10:452:55:027:379:47
7:50
#12017
24M
24.00 mi13:18:033:02:207:367:18
7:18
#11809
40K
24.85 mi13:24:293:08:467:366:26
7:32
#11671
25.2M
25.20 mi13:27:223:11:397:372:53
8:22
#11660
FINISH
26.22 mi13:34:453:19:027:367:23
7:15
#11537
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 mi118432825282512909(Top 44%)3517(Top 28%)3517(Top 197%)
10K6.21 mi3.10 mi11798+452821+42821+411816(Top 41%)2867(Top 23%)2867(Top 161%)
15K9.32 mi3.11 mi12127-3293035-2143035-21412909(Top 44%)3517(Top 28%)3517(Top 197%)
20K12.43 mi3.11 mi12233-1063124-893124-8912533(Top 43%)3398(Top 27%)3398(Top 190%)
HALF13.11 mi0.68 mi12231+23125-13125-112474(Top 43%)3284(Top 26%)3284(Top 184%)
25K15.53 mi2.42 mi12205+263146-213146-2112161(Top 42%)3255(Top 26%)3255(Top 182%)
30K18.64 mi3.11 mi12163+423179-333179-3312140(Top 42%)3384(Top 27%)3384(Top 189%)
20M20.00 mi1.36 mi12078+853152+273152+2711109(Top 38%)2946(Top 23%)2946(Top 165%)
21M21.00 mi1.00 mi12097-193180-283180-2812600(Top 43%)3830(Top 30%)3830(Top 214%)
35K21.75 mi0.75 mi12115-183200-203200-2013038(Top 45%)4082(Top 32%)4082(Top 229%)
23M23.00 mi1.25 mi12017+983180+203180+2011173(Top 38%)3202(Top 25%)3202(Top 179%)
24M24.00 mi1.00 mi11809+2083091+893091+898653(Top 30%)2028(Top 16%)2028(Top 114%)
40K24.85 mi0.85 mi11671+1383048+433048+439082(Top 31%)2326(Top 18%)2326(Top 130%)
25.2M25.20 mi0.35 mi11660+113057-93057-910787(Top 37%)3228(Top 26%)3228(Top 181%)
FINISH26.22 mi1.02 mi11537+1233018+393018+399501(Top 33%)2608(Top 21%)2608(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12909

Females

3517

F45-49

3517

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11816

Females

2867

F45-49

2867

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12909

Females

3517

F45-49

3517

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12533

Females

3398

F45-49

3398

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12474

Females

3284

F45-49

3284

HALF→25K

13.1 - 15.5 mi

Top 42%
×4
+66ft-88ft

Overall

12161

Females

3255

F45-49

3255

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12140

Females

3384

F45-49

3384

30K→20M

18.6 - 20.0 mi

Top 38%
×5
+64ft-50ft

Overall

11109

Females

2946

F45-49

2946

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12600

Females

3830

F45-49

3830

21M→35K

21.0 - 21.8 mi

Top 45%
×7
+17ft-86ft

Overall

13038

Females

4082

F45-49

4082

35K→23M

21.8 - 23.0 mi

Top 38%
×5
+23ft-63ft

Overall

11173

Females

3202

F45-49

3202

23M→24M

23.0 - 24.0 mi

Top 30%
×6
+12ft-82ft

Overall

8653

Females

2028

F45-49

2028

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9082

Females

2326

F45-49

2326

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1
+13ft-16ft

Overall

10787

Females

3228

F45-49

3228

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9501

Females

2608

F45-49

2608

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1771*
Passed By
1215
Net Change
+306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11843
5K → 10K245*200+45#11843#11798
10K → 15K81200-329#11798#12127
15K → 20K134200-106#12127#12233
20K → HALF2927+2#12233#12231
HALF → 25K12599+26#12231#12205
25K → 30K208*166+42#12205#12163
30K → 20M12843+85#12163#12078
20M → 21M84103-19#12078#12097
21M → 35K3957-18#12097#12115
35K → 23M14749+98#12115#12017
23M → 24M213*5+208#12017#11809
24M → 40K15315+138#11809#11671
40K → 25.2M4029+11#11671#11660
25.2M → FINISH14522+123#11660#11537
TOTALS1771*1215+306

* 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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