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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Nancy Briseno

Bib: 24418 •F •Age: N/A

CA

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 (F55-59)
#0 / 951
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
28:13
3.11 mi
Rank: #23002
Start → 5K
28:13 | 9:05/mi
10K
57:32
6.21 mi
Rank: #23759 (-757)
5K → 10K
29:19 | 9:27/mi
15K
1:26:24
9.32 mi
Rank: #23805 (-46)
10K → 15K
28:52 | 9:18/mi
20K
1:55:27
12.43 mi
Rank: #23674 (+131)
15K → 20K
29:03 | 9:22/mi
HALF
2:01:50
13.11 mi
Rank: #23686 (-12)
20K → HALF
6:23 | 9:22/mi
25K
2:27:41
15.53 mi
Rank: #24122 (-436)
HALF → 25K
25:51 | 10:40/mi
30K
2:58:15
18.64 mi
Rank: #23805 (+317)
25K → 30K
30:34 | 9:51/mi
20M
3:11:37
20.00 mi
Rank: #23668 (+137)
30K → 20M
13:22 | 9:51/mi
21M
3:21:56
21.00 mi
Rank: #23534 (+134)
20M → 21M
10:19 | 10:19/mi
35K
3:28:47
21.75 mi
Rank: #23420 (+114)
21M → 35K
6:51 | 9:10/mi
23M
3:40:45
23.00 mi
Rank: #23252 (+168)
35K → 23M
11:58 | 9:34/mi
24M
3:50:22
24.00 mi
Rank: #23167 (+85)
23M → 24M
9:37 | 9:37/mi
40K
3:58:57
24.85 mi
Rank: #23103 (+64)
24M → 40K
8:35 | 10:03/mi
25.2M
4:02:40
25.20 mi
Rank: #23087 (+16)
40K → 25.2M
3:43 | 10:47/mi
FINISH
4:12:39
26.22 mi
Rank: #23082 (+5)
25.2M → FINISH
9:59 | 9:48/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:01:50
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:10:49
Pace9:59 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:0528:139:0528:13
9:05
-
10K
6.21 mi12:01:2457:329:1629:19
9:27
+0:22
15K
9.32 mi12:30:161:26:249:1728:52
9:18
-0:09
20K
12.43 mi12:59:191:55:279:1829:03
9:22
+0:04
HALF
13.11 mi13:05:422:01:509:186:23
9:22
0:00
25K
15.53 mi13:31:332:27:419:3125:51
10:40
+1:18
30K
18.64 mi14:02:072:58:159:3430:34
9:51
-0:49
20M
20.00 mi14:15:293:11:379:3513:22
9:51
0:00
21M
21.00 mi14:25:483:21:569:3710:19
10:19
+0:28
35K
21.75 mi14:32:393:28:479:376:51
9:10
-1:09
23M
23.00 mi14:44:373:40:459:3611:58
9:34
+0:24
24M
24.00 mi14:54:143:50:229:369:37
9:37
+0:03
40K
24.85 mi15:02:493:58:579:378:35
10:03
+0:26
25.2M
25.20 mi15:06:324:02:409:383:43
10:47
+0:44
FINISH
26.22 mi15:16:314:12:399:399:59
9:48
-0:59

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

9:05 /mi

Average Pace

9:39 /mi

Slowest Pace

10:47 /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

3:24:11

81% of race

Time at Steady Pace

44:45

18% of race

Time at Slower Pace

3:43

1% of race

Average Pace: 9:38 /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 mi11:32:0528:139:0528:13
9:05
#23002
10K
6.21 mi12:01:2457:329:1629:19
9:27
#23759
15K
9.32 mi12:30:161:26:249:1728:52
9:18
#23805
20K
12.43 mi12:59:191:55:279:1829:03
9:22
#23674
HALF
13.11 mi13:05:422:01:509:186:23
9:22
#23686
25K
15.53 mi13:31:332:27:419:3125:51
10:40
#24122
30K
18.64 mi14:02:072:58:159:3430:34
9:51
#23805
20M
20.00 mi14:15:293:11:379:3513:22
9:51
#23668
21M
21.00 mi14:25:483:21:569:3710:19
10:19
#23534
35K
21.75 mi14:32:393:28:479:376:51
9:10
#23420
23M
23.00 mi14:44:373:40:459:3611:58
9:34
#23252
24M
24.00 mi14:54:143:50:229:369:37
9:37
#23167
40K
24.85 mi15:02:493:58:579:378:35
10:03
#23103
25.2M
25.20 mi15:06:324:02:409:383:43
10:47
#23087
FINISH
26.22 mi15:16:314:12:399:399:59
9:48
#23082
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi230029176917623825(Top 82%)9566(Top 76%)9566(Top 1006%)
10K6.21 mi3.10 mi23759-7579543-3679543-36724383(Top 84%)9852(Top 78%)9852(Top 1036%)
15K9.32 mi3.11 mi23805-469560-179560-1723825(Top 82%)9566(Top 76%)9566(Top 1006%)
20K12.43 mi3.11 mi23674+1319496+649496+6423296(Top 80%)9340(Top 74%)9340(Top 982%)
HALF13.11 mi0.68 mi23686-129502-69502-623998(Top 83%)9684(Top 77%)9684(Top 1018%)
25K15.53 mi2.42 mi24122-4369733-2319733-23125781(Top 89%)10664(Top 85%)10664(Top 1121%)
30K18.64 mi3.11 mi23805+3179591+1429591+14222686(Top 78%)9117(Top 72%)9117(Top 959%)
20M20.00 mi1.36 mi23668+1379553+389553+3822160(Top 76%)8934(Top 71%)8934(Top 939%)
21M21.00 mi1.00 mi23534+1349498+559498+5521470(Top 74%)8627(Top 69%)8627(Top 907%)
35K21.75 mi0.75 mi23420+1149457+419457+4120687(Top 71%)8291(Top 66%)8291(Top 872%)
23M23.00 mi1.25 mi23252+1689382+759382+7520816(Top 72%)8376(Top 67%)8376(Top 881%)
24M24.00 mi1.00 mi23167+859356+269356+2621733(Top 75%)8913(Top 71%)8913(Top 937%)
40K24.85 mi0.85 mi23103+649340+169340+1622055(Top 76%)9128(Top 73%)9128(Top 960%)
25.2M25.20 mi0.35 mi23087+169327+139327+1321865(Top 75%)9013(Top 72%)9013(Top 948%)
FINISH26.22 mi1.02 mi23082+59332-59332-523299(Top 80%)9764(Top 78%)9764(Top 1027%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23825

Females

9566

F55-59

9566

5K→10K

3.1 - 6.2 mi

Top 84%
×5
+79ft-138ft

Overall

24383

Females

9852

F55-59

9852

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23825

Females

9566

F55-59

9566

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23296

Females

9340

F55-59

9340

20K→HALF

12.4 - 13.1 mi

Top 83%
×2
+19ft-37ft

Overall

23998

Females

9684

F55-59

9684

HALF→25K

13.1 - 15.5 mi

Top 89%
×4
+66ft-88ft

Overall

25781

Females

10664

F55-59

10664

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22686

Females

9117

F55-59

9117

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22160

Females

8934

F55-59

8934

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21470

Females

8627

F55-59

8627

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20687

Females

8291

F55-59

8291

35K→23M

21.8 - 23.0 mi

Top 72%
×5
+23ft-63ft

Overall

20816

Females

8376

F55-59

8376

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21733

Females

8913

F55-59

8913

24M→40K

24.0 - 24.9 mi

Top 76%
×1
+6ft-20ft

Overall

22055

Females

9128

F55-59

9128

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21865

Females

9013

F55-59

9013

25.2M→FINISH

25.2 - 26.2 mi

Top 80%
×2
+22ft-21ft

Overall

23299

Females

9764

F55-59

9764

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1582*
Passed By
803
Net Change
-80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23002
5K → 10K41200-757#23002#23759
10K → 15K132178-46#23759#23805
15K → 20K208*77+131#23805#23674
20K → HALF2032-12#23674#23686
HALF → 25K25200-436#23686#24122
25K → 30K328*11+317#24122#23805
30K → 20M14912+137#23805#23668
20M → 21M1417+134#23668#23534
21M → 35K1195+114#23534#23420
35K → 23M1713+168#23420#23252
23M → 24M9712+85#23252#23167
24M → 40K8521+64#23167#23103
40K → 25.2M237+16#23103#23087
25.2M → FINISH4338+5#23087#23082
TOTALS1582*803-80

* 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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