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BOSTON MARATHON 2026

Kristina Mccarthy

Bib: 27034•F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
40:36
3.11 mi
Rank: #28981
Start → 5K
40:36 | 13:05/mi
10K
1:14:28
6.21 mi
Rank: #28712 (+269)
5K → 10K
33:52 | 10:55/mi
15K
1:50:18
9.32 mi
Rank: #28515 (+197)
10K → 15K
35:50 | 11:33/mi
20K
2:28:47
12.43 mi
Rank: #28464 (+51)
15K → 20K
38:29 | 12:24/mi
HALF
2:36:52
13.11 mi
Rank: #28454 (+10)
20K → HALF
8:05 | 11:52/mi
25K
3:12:30
15.53 mi
Rank: #28597 (-143)
HALF → 25K
35:38 | 14:42/mi
30K
4:03:43
18.64 mi
Rank: #28787 (-190)
25K → 30K
51:13 | 16:30/mi
20M
4:27:10
20.00 mi
Rank: #28843 (-56)
30K → 20M
23:27 | 17:16/mi
21M
4:42:08
21.00 mi
Rank: #28823 (+20)
20M → 21M
14:58 | 14:58/mi
35K
4:52:55
21.75 mi
Rank: #28824 (-1)
21M → 35K
10:47 | 14:25/mi
23M
5:11:23
23.00 mi
Rank: #28838 (-14)
35K → 23M
18:28 | 14:46/mi
24M
5:25:01
24.00 mi
Rank: #28826 (+12)
23M → 24M
13:38 | 13:38/mi
40K
5:37:06
24.85 mi
Rank: #28815 (+11)
24M → 40K
12:05 | 14:08/mi
25.2M
5:41:55
25.20 mi
Rank: #28801 (+14)
40K → 25.2M
4:49 | 13:59/mi
FINISH
5:54:47
26.22 mi
Rank: #28784 (+17)
25.2M → FINISH
12:52 | 12:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:36:52
Pace11:58 /mi
2nd Half
Distance13.11 mi
Time3:17:55
Pace15:06 /mi
📊Positive Split: 26.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:01:5140:3613:0540:36
13:05
-
10K
6.21 mi12:35:431:14:2812:0033:52
10:55
-2:10
15K
9.32 mi13:11:331:50:1811:5135:50
11:33
+0:38
20K
12.43 mi13:50:022:28:4711:5938:29
12:24
+0:51
HALF
13.11 mi13:58:072:36:5211:588:05
11:52
-0:32
25K
15.53 mi14:33:453:12:3012:2435:38
14:42
+2:50
30K
18.64 mi15:24:584:03:4313:0551:13
16:30
+1:48
20M
20.00 mi15:48:254:27:1013:2223:27
17:16
+0:46
21M
21.00 mi16:03:234:42:0813:2714:58
14:58
-2:18
35K
21.75 mi16:14:104:52:5513:2910:47
14:25
-0:33
23M
23.00 mi16:32:385:11:2313:3318:28
14:46
+0:21
24M
24.00 mi16:46:165:25:0113:3313:38
13:38
-1:08
40K
24.85 mi16:58:215:37:0613:3412:05
14:08
+0:30
25.2M
25.20 mi17:03:105:41:5513:354:49
13:59
-0:09
FINISH
26.22 mi17:16:025:54:4713:3312:52
12:38
-1:21

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

10:55 /mi

Average Pace

13:32 /mi

Slowest Pace

17:16 /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

2:49:44

48% of race

Time at Steady Pace

1:35:25

27% of race

Time at Slower Pace

1:29:38

25% of race

Average Pace: 13:32 /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 mi12:01:5140:3613:0540:36
13:05
#28981
10K
6.21 mi12:35:431:14:2812:0033:52
10:55
#28712
15K
9.32 mi13:11:331:50:1811:5135:50
11:33
#28515
20K
12.43 mi13:50:022:28:4711:5938:29
12:24
#28464
HALF
13.11 mi13:58:072:36:5211:588:05
11:52
#28454
25K
15.53 mi14:33:453:12:3012:2435:38
14:42
#28597
30K
18.64 mi15:24:584:03:4313:0551:13
16:30
#28787
20M
20.00 mi15:48:254:27:1013:2223:27
17:16
#28843
21M
21.00 mi16:03:234:42:0813:2714:58
14:58
#28823
35K
21.75 mi16:14:104:52:5513:2910:47
14:25
#28824
23M
23.00 mi16:32:385:11:2313:3318:28
14:46
#28838
24M
24.00 mi16:46:165:25:0113:3313:38
13:38
#28826
40K
24.85 mi16:58:215:37:0613:3412:05
14:08
#28815
25.2M
25.20 mi17:03:105:41:5513:354:49
13:59
#28801
FINISH
26.22 mi17:16:025:54:4713:3312:52
12:38
#28784
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 mi28981125541255428014(Top 97%)11927(Top 95%)11927(Top 668%)
10K6.21 mi3.10 mi28712+26912365+18912365+18927556(Top 95%)11632(Top 92%)11632(Top 651%)
15K9.32 mi3.11 mi28515+19712234+13112234+13128014(Top 97%)11927(Top 95%)11927(Top 668%)
20K12.43 mi3.11 mi28464+5112199+3512199+3528301(Top 98%)12112(Top 96%)12112(Top 678%)
HALF13.11 mi0.68 mi28454+1012195+412195+428195(Top 97%)12076(Top 96%)12076(Top 676%)
25K15.53 mi2.42 mi28597-14312295-10012295-10028874(Top 99%)12491(Top 99%)12491(Top 699%)
30K18.64 mi3.11 mi28787-19012429-13412429-13428952(Top 100%)12545(Top 100%)12545(Top 702%)
20M20.00 mi1.36 mi28843-5612468-3912468-3928953(Top 100%)12541(Top 100%)12541(Top 702%)
21M21.00 mi1.00 mi28823+2012459+912459+928039(Top 97%)12084(Top 96%)12084(Top 677%)
35K21.75 mi0.75 mi28824-112462-312462-328533(Top 98%)12369(Top 98%)12369(Top 693%)
23M23.00 mi1.25 mi28838-1412469-712469-728547(Top 98%)12370(Top 98%)12370(Top 693%)
24M24.00 mi1.00 mi28826+1212464+512464+528126(Top 97%)12178(Top 97%)12178(Top 682%)
40K24.85 mi0.85 mi28815+1112459+512459+528001(Top 96%)12113(Top 96%)12113(Top 678%)
25.2M25.20 mi0.35 mi28801+1412449+1012449+1027212(Top 94%)11746(Top 93%)11746(Top 658%)
FINISH26.22 mi1.02 mi28784+1712440+912440+927980(Top 96%)12108(Top 96%)12108(Top 678%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28014

Females

11927

F45-49

11927

5K→10K

3.1 - 6.2 mi

Top 95%
×5
+79ft-138ft

Overall

27556

Females

11632

F45-49

11632

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28014

Females

11927

F45-49

11927

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28301

Females

12112

F45-49

12112

20K→HALF

12.4 - 13.1 mi

Top 97%
×2
+19ft-37ft

Overall

28195

Females

12076

F45-49

12076

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28874

Females

12491

F45-49

12491

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28952

Females

12545

F45-49

12545

30K→20M

18.6 - 20.0 mi

Top 100%
×5
+64ft-50ft

Overall

28953

Females

12541

F45-49

12541

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28039

Females

12084

F45-49

12084

21M→35K

21.0 - 21.8 mi

Top 98%
×7
+17ft-86ft

Overall

28533

Females

12369

F45-49

12369

35K→23M

21.8 - 23.0 mi

Top 98%
×5
+23ft-63ft

Overall

28547

Females

12370

F45-49

12370

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28126

Females

12178

F45-49

12178

24M→40K

24.0 - 24.9 mi

Top 96%
×1
+6ft-20ft

Overall

28001

Females

12113

F45-49

12113

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27212

Females

11746

F45-49

11746

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
×2
+22ft-21ft

Overall

27980

Females

12108

F45-49

12108

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
678*
Passed By
481
Net Change
+197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28981
5K → 10K269*0+269#28981#28712
10K → 15K202*5+197#28712#28515
15K → 20K8231+51#28515#28464
20K → HALF133+10#28464#28454
HALF → 25K10153-143#28454#28597
25K → 30K4194-190#28597#28787
30K → 20M359-56#28787#28843
20M → 21M233+20#28843#28823
21M → 35K67-1#28823#28824
35K → 23M317-14#28824#28838
23M → 24M153+12#28838#28826
24M → 40K132+11#28826#28815
40K → 25.2M151+14#28815#28801
25.2M → FINISH203+17#28801#28784
TOTALS678*481+197

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing