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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Bridget Gaffney

Bib: 21147 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F45-49)
#0 / 1786
Top 45%
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
24:57
3.11 mi
Rank: #17170
Start → 5K
24:57 | 8:02/mi
10K
50:08
6.21 mi
Rank: #17570 (-400)
5K → 10K
25:11 | 8:07/mi
15K
1:15:17
9.32 mi
Rank: #17608 (-38)
10K → 15K
25:09 | 8:06/mi
20K
1:40:47
12.43 mi
Rank: #17584 (+24)
15K → 20K
25:30 | 8:13/mi
HALF
1:46:21
13.11 mi
Rank: #17605 (-21)
20K → HALF
5:34 | 8:10/mi
25K
2:06:36
15.53 mi
Rank: #17624 (-19)
HALF → 25K
20:15 | 8:21/mi
30K
2:33:37
18.64 mi
Rank: #17643 (-19)
25K → 30K
27:01 | 8:42/mi
20M
2:45:27
20.00 mi
Rank: #17606 (+37)
30K → 20M
11:50 | 8:43/mi
21M
2:54:42
21.00 mi
Rank: #17582 (+24)
20M → 21M
9:15 | 9:15/mi
35K
3:00:49
21.75 mi
Rank: #17489 (+93)
21M → 35K
6:07 | 8:11/mi
23M
3:11:13
23.00 mi
Rank: #17306 (+183)
35K → 23M
10:24 | 8:19/mi
24M
3:19:08
24.00 mi
Rank: #17107 (+199)
23M → 24M
7:55 | 7:55/mi
40K
3:26:16
24.85 mi
Rank: #17000 (+107)
24M → 40K
7:08 | 8:21/mi
25.2M
3:29:26
25.20 mi
Rank: #16979 (+21)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:37:28
26.22 mi
Rank: #16858 (+121)
25.2M → FINISH
8:02 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:51:07
Pace8:29 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:1324:578:0224:57
8:02
-
10K
6.21 mi11:36:2450:088:0525:11
8:07
+0:05
15K
9.32 mi12:01:331:15:178:0525:09
8:06
-0:01
20K
12.43 mi12:27:031:40:478:0725:30
8:13
+0:07
HALF
13.11 mi12:32:371:46:218:075:34
8:10
-0:03
25K
15.53 mi12:52:522:06:368:0920:15
8:21
+0:11
30K
18.64 mi13:19:532:33:378:1527:01
8:42
+0:21
20M
20.00 mi13:31:432:45:278:1711:50
8:43
+0:01
21M
21.00 mi13:40:582:54:428:209:15
9:15
+0:32
35K
21.75 mi13:47:053:00:498:196:07
8:11
-1:04
23M
23.00 mi13:57:293:11:138:1910:24
8:19
+0:08
24M
24.00 mi14:05:243:19:088:187:55
7:55
-0:24
40K
24.85 mi14:12:323:26:168:187:08
8:21
+0:26
25.2M
25.20 mi14:15:423:29:268:193:10
9:11
+0:50
FINISH
26.22 mi14:23:443:37:288:198:02
7:53
-1:18

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

7:53 /mi

Average Pace

8:18 /mi

Slowest Pace

9:15 /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

2:46:12

76% of race

Time at Steady Pace

51:16

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /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 mi11:11:1324:578:0224:57
8:02
#17170
10K
6.21 mi11:36:2450:088:0525:11
8:07
#17570
15K
9.32 mi12:01:331:15:178:0525:09
8:06
#17608
20K
12.43 mi12:27:031:40:478:0725:30
8:13
#17584
HALF
13.11 mi12:32:371:46:218:075:34
8:10
#17605
25K
15.53 mi12:52:522:06:368:0920:15
8:21
#17624
30K
18.64 mi13:19:532:33:378:1527:01
8:42
#17643
20M
20.00 mi13:31:432:45:278:1711:50
8:43
#17606
21M
21.00 mi13:40:582:54:428:209:15
9:15
#17582
35K
21.75 mi13:47:053:00:498:196:07
8:11
#17489
23M
23.00 mi13:57:293:11:138:1910:24
8:19
#17306
24M
24.00 mi14:05:243:19:088:187:55
7:55
#17107
40K
24.85 mi14:12:323:26:168:187:08
8:21
#17000
25.2M
25.20 mi14:15:423:29:268:193:10
9:11
#16979
FINISH
26.22 mi14:23:443:37:288:198:02
7:53
#16858
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 mi171706022602217677(Top 61%)6295(Top 50%)6295(Top 352%)
10K6.21 mi3.10 mi17570-4006239-2176239-21718017(Top 62%)6492(Top 52%)6492(Top 363%)
15K9.32 mi3.11 mi17608-386272-336272-3317677(Top 61%)6295(Top 50%)6295(Top 352%)
20K12.43 mi3.11 mi17584+246264+86264+817539(Top 60%)6245(Top 50%)6245(Top 350%)
HALF13.11 mi0.68 mi17605-216272-86272-818218(Top 63%)6591(Top 52%)6591(Top 369%)
25K15.53 mi2.42 mi17624-196287-156287-1517691(Top 61%)6388(Top 51%)6388(Top 358%)
30K18.64 mi3.11 mi17643-196320-336320-3317998(Top 62%)6665(Top 53%)6665(Top 373%)
20M20.00 mi1.36 mi17606+376322-26322-217465(Top 60%)6445(Top 51%)6445(Top 361%)
21M21.00 mi1.00 mi17582+246328-66328-617416(Top 60%)6476(Top 51%)6476(Top 363%)
35K21.75 mi0.75 mi17489+936287+416287+4115701(Top 54%)5593(Top 44%)5593(Top 313%)
23M23.00 mi1.25 mi17306+1836213+746213+7414556(Top 50%)5031(Top 40%)5031(Top 282%)
24M24.00 mi1.00 mi17107+1996122+916122+9113204(Top 45%)4382(Top 35%)4382(Top 245%)
40K24.85 mi0.85 mi17000+1076085+376085+3714768(Top 51%)5319(Top 42%)5319(Top 298%)
25.2M25.20 mi0.35 mi16979+216081+46081+415769(Top 54%)5842(Top 46%)5842(Top 327%)
FINISH26.22 mi1.02 mi16858+1216038+436038+4314411(Top 50%)5143(Top 41%)5143(Top 288%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17677

Females

6295

F45-49

6295

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

18017

Females

6492

F45-49

6492

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17677

Females

6295

F45-49

6295

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17539

Females

6245

F45-49

6245

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18218

Females

6591

F45-49

6591

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17691

Females

6388

F45-49

6388

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17998

Females

6665

F45-49

6665

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17465

Females

6445

F45-49

6445

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17416

Females

6476

F45-49

6476

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15701

Females

5593

F45-49

5593

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14556

Females

5031

F45-49

5031

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13204

Females

4382

F45-49

4382

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14768

Females

5319

F45-49

5319

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15769

Females

5842

F45-49

5842

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14411

Females

5143

F45-49

5143

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1820*
Passed By
1177
Net Change
+312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17170
5K → 10K129200-400#17170#17570
10K → 15K164200-38#17570#17608
15K → 20K188164+24#17608#17584
20K → HALF2950-21#17584#17605
HALF → 25K126145-19#17605#17624
25K → 30K181200-19#17624#17643
30K → 20M10871+37#17643#17606
20M → 21M9268+24#17606#17582
21M → 35K10815+93#17582#17489
35K → 23M20017+183#17489#17306
23M → 24M203*4+199#17306#17107
24M → 40K12114+107#17107#17000
40K → 25.2M3514+21#17000#16979
25.2M → FINISH13615+121#16979#16858
TOTALS1820*1177+312

* 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

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OTQ

Olympic Trials Qualifying analysis available

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