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BOSTON MARATHON 2026

Karina Arciniegas

Bib: 18710•F

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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 (F40-44)
#0 / 1737
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
25:13
3.11 mi
Rank: #17723
Start → 5K
25:13 | 8:07/mi
10K
50:41
6.21 mi
Rank: #18153 (-430)
5K → 10K
25:28 | 8:12/mi
15K
1:19:34
9.32 mi
Rank: #20333 (-2180)
10K → 15K
28:53 | 9:18/mi
20K
1:47:16
12.43 mi
Rank: #20677 (-344)
15K → 20K
27:42 | 8:55/mi
HALF
1:53:14
13.11 mi
Rank: #20728 (-51)
20K → HALF
5:58 | 8:46/mi
25K
2:15:06
15.53 mi
Rank: #20816 (-88)
HALF → 25K
21:52 | 9:01/mi
30K
2:44:34
18.64 mi
Rank: #20967 (-151)
25K → 30K
29:28 | 9:30/mi
20M
2:57:40
20.00 mi
Rank: #21005 (-38)
30K → 20M
13:06 | 9:39/mi
21M
3:08:03
21.00 mi
Rank: #21064 (-59)
20M → 21M
10:23 | 10:23/mi
35K
3:15:12
21.75 mi
Rank: #21124 (-60)
21M → 35K
7:09 | 9:34/mi
23M
3:27:42
23.00 mi
Rank: #21236 (-112)
35K → 23M
12:30 | 10:00/mi
24M
3:37:28
24.00 mi
Rank: #21288 (-52)
23M → 24M
9:46 | 9:46/mi
40K
3:45:03
24.85 mi
Rank: #21175 (+113)
24M → 40K
7:35 | 8:53/mi
25.2M
3:47:49
25.20 mi
Rank: #21031 (+144)
40K → 25.2M
2:46 | 8:02/mi
FINISH
3:55:28
26.22 mi
Rank: #20743 (+288)
25.2M → FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:14
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:02:14
Pace9:20 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:5825:138:0725:13
8:07
-
10K
6.21 mi11:33:2650:418:1025:28
8:12
+0:05
15K
9.32 mi12:02:191:19:348:3328:53
9:18
+1:06
20K
12.43 mi12:30:011:47:168:3827:42
8:55
-0:23
HALF
13.11 mi12:35:591:53:148:395:58
8:46
-0:09
25K
15.53 mi12:57:512:15:068:4221:52
9:01
+0:15
30K
18.64 mi13:27:192:44:348:5029:28
9:30
+0:29
20M
20.00 mi13:40:252:57:408:5413:06
9:39
+0:09
21M
21.00 mi13:50:483:08:038:5810:23
10:23
+0:44
35K
21.75 mi13:57:573:15:128:597:09
9:34
-0:49
23M
23.00 mi14:10:273:27:429:0212:30
10:00
+0:26
24M
24.00 mi14:20:133:37:289:049:46
9:46
-0:14
40K
24.85 mi14:27:483:45:039:047:35
8:53
-0:53
25.2M
25.20 mi14:30:343:47:499:032:46
8:02
-0:51
FINISH
26.22 mi14:38:133:55:289:007:39
7:31
-0:31

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

7:31 /mi

Average Pace

8:59 /mi

Slowest Pace

10:23 /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

1:01:06

26% of race

Time at Steady Pace

1:32:00

39% of race

Time at Slower Pace

1:22:22

35% of race

Average Pace: 8:59 /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 mi11:07:5825:138:0725:13
8:07
#17723
10K
6.21 mi11:33:2650:418:1025:28
8:12
#18153
15K
9.32 mi12:02:191:19:348:3328:53
9:18
#20333
20K
12.43 mi12:30:011:47:168:3827:42
8:55
#20677
HALF
13.11 mi12:35:591:53:148:395:58
8:46
#20728
25K
15.53 mi12:57:512:15:068:4221:52
9:01
#20816
30K
18.64 mi13:27:192:44:348:5029:28
9:30
#20967
20M
20.00 mi13:40:252:57:408:5413:06
9:39
#21005
21M
21.00 mi13:50:483:08:038:5810:23
10:23
#21064
35K
21.75 mi13:57:573:15:128:597:09
9:34
#21124
23M
23.00 mi14:10:273:27:429:0212:30
10:00
#21236
24M
24.00 mi14:20:133:37:289:049:46
9:46
#21288
40K
24.85 mi14:27:483:45:039:047:35
8:53
#21175
25.2M
25.20 mi14:30:343:47:499:032:46
8:02
#21031
FINISH
26.22 mi14:38:133:55:289:007:39
7:31
#20743
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi177236349634923836(Top 82%)9569(Top 76%)9569(Top 551%)
10K6.21 mi3.10 mi18153-4306585-2366585-23618568(Top 64%)6785(Top 54%)6785(Top 391%)
15K9.32 mi3.11 mi20333-21807782-11977782-119723836(Top 82%)9569(Top 76%)9569(Top 551%)
20K12.43 mi3.11 mi20677-3447984-2027984-20221550(Top 74%)8430(Top 67%)8430(Top 485%)
HALF13.11 mi0.68 mi20728-518008-248008-2421608(Top 74%)8433(Top 67%)8433(Top 485%)
25K15.53 mi2.42 mi20816-888069-618069-6121260(Top 73%)8295(Top 66%)8295(Top 478%)
30K18.64 mi3.11 mi20967-1518166-978166-9721577(Top 74%)8557(Top 68%)8557(Top 493%)
20M20.00 mi1.36 mi21005-388198-328198-3221562(Top 74%)8629(Top 69%)8629(Top 497%)
21M21.00 mi1.00 mi21064-598234-368234-3621650(Top 75%)8711(Top 69%)8711(Top 501%)
35K21.75 mi0.75 mi21124-608268-348268-3421954(Top 76%)8929(Top 71%)8929(Top 514%)
23M23.00 mi1.25 mi21236-1128333-658333-6522093(Top 76%)9045(Top 72%)9045(Top 521%)
24M24.00 mi1.00 mi21288-528374-418374-4122153(Top 76%)9121(Top 73%)9121(Top 525%)
40K24.85 mi0.85 mi21175+1138327+478327+4717785(Top 61%)6938(Top 55%)6938(Top 399%)
25.2M25.20 mi0.35 mi21031+1448263+648263+648658(Top 30%)2232(Top 18%)2232(Top 128%)
FINISH26.22 mi1.02 mi20743+2888118+1458118+14511532(Top 40%)3639(Top 29%)3639(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23836

Females

9569

F40-44

9569

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18568

Females

6785

F40-44

6785

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23836

Females

9569

F40-44

9569

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21550

Females

8430

F40-44

8430

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21608

Females

8433

F40-44

8433

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21260

Females

8295

F40-44

8295

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21577

Females

8557

F40-44

8557

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21562

Females

8629

F40-44

8629

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21650

Females

8711

F40-44

8711

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

21954

Females

8929

F40-44

8929

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22093

Females

9045

F40-44

9045

23M→24M

23.0 - 24.0 mi

Top 76%
×6
+12ft-82ft

Overall

22153

Females

9121

F40-44

9121

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17785

Females

6938

F40-44

6938

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8658

Females

2232

F40-44

2232

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11532

Females

3639

F40-44

3639

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1210*
Passed By
1611
Net Change
-3020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17723
5K → 10K120200-430#17723#18153
10K → 15K3200-2180#18153#20333
15K → 20K77200-344#20333#20677
20K → HALF1768-51#20677#20728
HALF → 25K90178-88#20728#20816
25K → 30K114200-151#20816#20967
30K → 20M65103-38#20967#21005
20M → 21M51110-59#21005#21064
21M → 35K3696-60#21064#21124
35K → 23M43155-112#21124#21236
23M → 24M4395-52#21236#21288
24M → 40K1185+113#21288#21175
40K → 25.2M1440+144#21175#21031
25.2M → FINISH289*1+288#21031#20743
TOTALS1210*1611-3020

* 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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing