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BOSTON MARATHON 2026

Arielle Chernin

Bib: 10711•F

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 22%
Gender (Female)
#0 / 12578
Top 6%
Age Group (F18-39)
#0 / 5716
Top 12%
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· 3.11 mi
21:23
Rank: #7607
Start → 5K
21:23 | 6:53/mi
10K· 6.21 mi
42:49
Rank: #7761 (-154)
5K → 10K
21:26 | 6:54/mi
15K· 9.32 mi
1:04:08
Rank: #7644 (+117)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:25:30
Rank: #7426 (+218)
15K → 20K
21:22 | 6:53/mi
HALF· 13.11 mi
1:30:06
Rank: #7360 (+66)
20K → HALF
4:36 | 6:45/mi
25K· 15.53 mi
1:46:36
Rank: #7079 (+281)
HALF → 25K
16:30 | 6:49/mi
30K· 18.64 mi
2:08:19
Rank: #6814 (+265)
25K → 30K
21:43 | 7:00/mi
20M
2:17:51
Rank: #6686 (+128)
30K → 20M
9:32 | 7:02/mi
21M
2:25:18
Rank: #6644 (+42)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:30:30
Rank: #6624 (+20)
21M → 35K
5:12 | 6:58/mi
23M
2:39:24
Rank: #6542 (+82)
35K → 23M
8:54 | 7:07/mi
24M
2:46:18
Rank: #6477 (+65)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:52:22
Rank: #6431 (+46)
24M → 40K
6:04 | 7:06/mi
25.2M
2:55:03
Rank: #6412 (+19)
40K → 25.2M
2:41 | 7:47/mi
FINISH· 26.22 mi
3:02:10
Rank: #6393 (+19)
25.2M → FINISH
7:07 | 7:00/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
Time1:30:06
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:32:04
Pace7:02 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:4221:236:5321:23
6:53
-
10K
6.21 mi11:00:0842:496:5421:26
6:54
+0:01
15K
9.32 mi11:21:271:04:086:5321:19
6:52
-0:02
20K
12.43 mi11:42:491:25:306:5321:22
6:53
+0:01
HALF
13.11 mi11:47:251:30:066:534:36
6:45
-0:08
25K
15.53 mi12:03:551:46:366:5216:30
6:49
+0:04
30K
18.64 mi12:25:382:08:196:5421:43
7:00
+0:11
20M
20.00 mi12:35:102:17:516:549:32
7:02
+0:02
21M
21.00 mi12:42:372:25:186:567:27
7:27
+0:25
35K
21.75 mi12:47:492:30:306:565:12
6:58
-0:29
23M
23.00 mi12:56:432:39:246:568:54
7:07
+0:09
24M
24.00 mi13:03:372:46:186:566:54
6:54
-0:13
40K
24.85 mi13:09:412:52:226:576:04
7:06
+0:12
25.2M
25.20 mi13:12:222:55:036:572:41
7:47
+0:41
FINISH
26.22 mi13:19:293:02:106:587:07
7:00
-0:47

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

6:45 /mi

Average Pace

6:57 /mi

Slowest Pace

7:47 /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

2:52:02

94% of race

Time at Steady Pace

10:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:38:4221:236:5321:23
6:53
#7607
10K
6.21 mi11:00:0842:496:5421:26
6:54
#7761
15K
9.32 mi11:21:271:04:086:5321:19
6:52
#7644
20K
12.43 mi11:42:491:25:306:5321:22
6:53
#7426
HALF
13.11 mi11:47:251:30:066:534:36
6:45
#7360
25K
15.53 mi12:03:551:46:366:5216:30
6:49
#7079
30K
18.64 mi12:25:382:08:196:5421:43
7:00
#6814
20M
20.00 mi12:35:102:17:516:549:32
7:02
#6686
21M
21.00 mi12:42:372:25:186:567:27
7:27
#6644
35K
21.75 mi12:47:492:30:306:565:12
6:58
#6624
23M
23.00 mi12:56:432:39:246:568:54
7:07
#6542
24M
24.00 mi13:03:372:46:186:566:54
6:54
#6477
40K
24.85 mi13:09:412:52:226:576:04
7:06
#6431
25.2M
25.20 mi13:12:222:55:036:572:41
7:47
#6412
FINISH
26.22 mi13:19:293:02:106:587:07
7:00
#6393
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76079529527469(Top 26%)949(Top 8%)949(Top 17%)
10K6.21 mi3.10 mi7761-1541006-541006-547917(Top 27%)1059(Top 8%)1059(Top 19%)
15K9.32 mi3.11 mi7644+117976+30976+307469(Top 26%)949(Top 8%)949(Top 17%)
20K12.43 mi3.11 mi7426+218925+51925+516925(Top 24%)811(Top 6%)811(Top 14%)
HALF13.11 mi0.68 mi7360+66907+18907+186709(Top 23%)736(Top 6%)736(Top 13%)
25K15.53 mi2.42 mi7079+281821+86821+865872(Top 20%)600(Top 5%)600(Top 10%)
30K18.64 mi3.11 mi6814+265766+55766+555838(Top 20%)646(Top 5%)646(Top 11%)
20M20.00 mi1.36 mi6686+128751+15751+155713(Top 20%)666(Top 5%)666(Top 12%)
21M21.00 mi1.00 mi6644+42745+6745+66204(Top 21%)922(Top 7%)922(Top 16%)
35K21.75 mi0.75 mi6624+20750-5750-56753(Top 23%)1072(Top 9%)1072(Top 19%)
23M23.00 mi1.25 mi6542+82746+4746+46229(Top 21%)953(Top 8%)953(Top 17%)
24M24.00 mi1.00 mi6477+65742+4742+45830(Top 20%)898(Top 7%)898(Top 16%)
40K24.85 mi0.85 mi6431+46746-4746-46124(Top 21%)1030(Top 8%)1030(Top 18%)
25.2M25.20 mi0.35 mi6412+19741+5741+56997(Top 24%)1396(Top 11%)1396(Top 24%)
FINISH26.22 mi1.02 mi6393+19752-11752-117444(Top 26%)1661(Top 13%)1661(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7469

Females

949

F18-39

949

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7917

Females

1059

F18-39

1059

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7469

Females

949

F18-39

949

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6925

Females

811

F18-39

811

20K→HALF

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6709

Females

736

F18-39

736

HALF→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5872

Females

600

F18-39

600

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5838

Females

646

F18-39

646

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5713

Females

666

F18-39

666

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

6204

Females

922

F18-39

922

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6753

Females

1072

F18-39

1072

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6229

Females

953

F18-39

953

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5830

Females

898

F18-39

898

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6124

Females

1030

F18-39

1030

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6997

Females

1396

F18-39

1396

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7444

Females

1661

F18-39

1661

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1908
Passed By
694
Net Change
+1214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7607
5K → 10K152306-154#7607#7761
10K → 15K19477+117#7761#7644
15K → 20K26244+218#7644#7426
20K → HALF726+66#7426#7360
HALF → 25K29312+281#7360#7079
25K → 30K30035+265#7079#6814
30K → 20M14618+128#6814#6686
20M → 21M8240+42#6686#6644
21M → 35K4626+20#6644#6624
35K → 23M12038+82#6624#6542
23M → 24M8318+65#6542#6477
24M → 40K7226+46#6477#6431
40K → 25.2M278+19#6431#6412
25.2M → FINISH5940+19#6412#6393
TOTALS1908694+1214
📊

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