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BOSTON MARATHON 2026

Stefanie Sokoloff

Bib: 26872β€’F

NY

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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
51Β°/41Β°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
33:04
3.11 mi
Rank: #27445
Start β†’ 5K
33:04 | 10:39/mi
10K
1:05:20
6.21 mi
Rank: #27062 (+383)
5K β†’ 10K
32:16 | 10:24/mi
15K
1:37:48
9.32 mi
Rank: #26878 (+184)
10K β†’ 15K
32:28 | 10:28/mi
20K
2:10:24
12.43 mi
Rank: #26662 (+216)
15K β†’ 20K
32:36 | 10:30/mi
HALF
2:17:28
13.11 mi
Rank: #26637 (+25)
20K β†’ HALF
7:04 | 10:23/mi
25K
2:43:25
15.53 mi
Rank: #26503 (+134)
HALF β†’ 25K
25:57 | 10:43/mi
30K
3:18:13
18.64 mi
Rank: #26383 (+120)
25K β†’ 30K
34:48 | 11:13/mi
20M
3:34:08
20.00 mi
Rank: #26359 (+24)
30K β†’ 20M
15:55 | 11:44/mi
21M
3:45:49
21.00 mi
Rank: #26261 (+98)
20M β†’ 21M
11:41 | 11:41/mi
35K
3:54:02
21.75 mi
Rank: #26225 (+36)
21M β†’ 35K
8:13 | 10:59/mi
23M
4:08:02
23.00 mi
Rank: #26165 (+60)
35K β†’ 23M
14:00 | 11:12/mi
24M
4:18:55
24.00 mi
Rank: #26121 (+44)
23M β†’ 24M
10:53 | 10:53/mi
40K
4:28:10
24.85 mi
Rank: #26039 (+82)
24M β†’ 40K
9:15 | 10:50/mi
25.2M
4:32:05
25.20 mi
Rank: #25997 (+42)
40K β†’ 25.2M
3:55 | 11:22/mi
FINISH
4:42:07
26.22 mi
Rank: #25924 (+73)
25.2M β†’ FINISH
10:02 | 9:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:17:28
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:24:39
Pace11:03 /mi
πŸ“ŠPositive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4333:0410:3933:04
10:39
-
10K
6.21 mi12:26:591:05:2010:3132:16
10:24
-0:15
15K
9.32 mi12:59:271:37:4810:3032:28
10:28
+0:04
20K
12.43 mi13:32:032:10:2410:3032:36
10:30
+0:02
HALF
13.11 mi13:39:072:17:2810:307:04
10:23
-0:07
25K
15.53 mi14:05:042:43:2510:3225:57
10:43
+0:20
30K
18.64 mi14:39:523:18:1310:3834:48
11:13
+0:30
20M
20.00 mi14:55:473:34:0810:4315:55
11:44
+0:31
21M
21.00 mi15:07:283:45:4910:4611:41
11:41
-0:03
35K
21.75 mi15:15:413:54:0210:468:13
10:59
-0:42
23M
23.00 mi15:29:414:08:0210:4814:00
11:12
+0:13
24M
24.00 mi15:40:344:18:5510:4810:53
10:53
-0:19
40K
24.85 mi15:49:494:28:1010:489:15
10:50
-0:03
25.2M
25.20 mi15:53:444:32:0510:483:55
11:22
+0:32
FINISH
26.22 mi16:03:464:42:0710:4710:02
9:51
-1:31

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:51 /mi

Average Pace

10:46 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:02:42

65% of race

Time at Steady Pace

1:11:49

25% of race

Time at Slower Pace

27:36

10% of race

Average Pace: 10:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:54:4333:0410:3933:04
10:39
#27445
10K
6.21 mi12:26:591:05:2010:3132:16
10:24
#27062
15K
9.32 mi12:59:271:37:4810:3032:28
10:28
#26878
20K
12.43 mi13:32:032:10:2410:3032:36
10:30
#26662
HALF
13.11 mi13:39:072:17:2810:307:04
10:23
#26637
25K
15.53 mi14:05:042:43:2510:3225:57
10:43
#26503
30K
18.64 mi14:39:523:18:1310:3834:48
11:13
#26383
20M
20.00 mi14:55:473:34:0810:4315:55
11:44
#26359
21M
21.00 mi15:07:283:45:4910:4611:41
11:41
#26261
35K
21.75 mi15:15:413:54:0210:468:13
10:59
#26225
23M
23.00 mi15:29:414:08:0210:4814:00
11:12
#26165
24M
24.00 mi15:40:344:18:5510:4810:53
10:53
#26121
40K
24.85 mi15:49:494:28:1010:489:15
10:50
#26039
25.2M
25.20 mi15:53:444:32:0510:483:55
11:22
#25997
FINISH
26.22 mi16:03:464:42:0710:4710:02
9:51
#25924
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 mi27445115361153626594(Top 92%)11073(Top 88%)11073(Top 637%)
10K6.21 mi3.10 mi27062+38311323+21311323+21326717(Top 92%)11137(Top 89%)11137(Top 641%)
15K9.32 mi3.11 mi26878+18411221+10211221+10226594(Top 92%)11073(Top 88%)11073(Top 637%)
20K12.43 mi3.11 mi26662+21611107+11411107+11426113(Top 90%)10809(Top 86%)10809(Top 622%)
HALF13.11 mi0.68 mi26637+2511098+911098+926431(Top 91%)11012(Top 88%)11012(Top 634%)
25K15.53 mi2.42 mi26503+13411026+7211026+7225854(Top 89%)10710(Top 85%)10710(Top 617%)
30K18.64 mi3.11 mi26383+12010992+3410992+3425714(Top 89%)10739(Top 85%)10739(Top 618%)
20M20.00 mi1.36 mi26359+2410988+410988+426025(Top 90%)10992(Top 87%)10992(Top 633%)
21M21.00 mi1.00 mi26261+9810949+3910949+3924544(Top 85%)10271(Top 82%)10271(Top 591%)
35K21.75 mi0.75 mi26225+3610932+1710932+1725255(Top 87%)10661(Top 85%)10661(Top 614%)
23M23.00 mi1.25 mi26165+6010908+2410908+2424890(Top 86%)10525(Top 84%)10525(Top 606%)
24M24.00 mi1.00 mi26121+4410896+1210896+1224886(Top 86%)10540(Top 84%)10540(Top 607%)
40K24.85 mi0.85 mi26039+8210868+2810868+2823890(Top 82%)10079(Top 80%)10079(Top 580%)
25.2M25.20 mi0.35 mi25997+4210846+2210846+2223259(Top 80%)9761(Top 78%)9761(Top 562%)
FINISH26.22 mi1.02 mi25924+7310820+2610820+2623451(Top 81%)9846(Top 78%)9846(Top 567%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
Γ—21
+97ft-345ft

Overall

26594

Females

11073

F40-44

11073

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26717

Females

11137

F40-44

11137

10K→15K

6.2 - 9.3 mi

Top 92%
Γ—3
+67ft-78ft

Overall

26594

Females

11073

F40-44

11073

15K→20K

9.3 - 12.4 mi

Top 90%
Γ—5
+106ft-86ft

Overall

26113

Females

10809

F40-44

10809

20K→HALF

12.4 - 13.1 mi

Top 91%
Γ—2
+19ft-37ft

Overall

26431

Females

11012

F40-44

11012

HALF→25K

13.1 - 15.5 mi

Top 89%
Γ—4
+66ft-88ft

Overall

25854

Females

10710

F40-44

10710

25K→30K

15.5 - 18.6 mi

Top 89%
Γ—9
+181ft-148ft

Overall

25714

Females

10739

F40-44

10739

30K→20M

18.6 - 20.0 mi

Top 90%
Γ—5
+64ft-50ft

Overall

26025

Females

10992

F40-44

10992

20M→21M

20.0 - 21.0 mi

Top 85%
Γ—8
+106ft-24ft

Overall

24544

Females

10271

F40-44

10271

21M→35K

21.0 - 21.8 mi

Top 87%
Γ—7
+17ft-86ft

Overall

25255

Females

10661

F40-44

10661

35K→23M

21.8 - 23.0 mi

Top 86%
Γ—5
+23ft-63ft

Overall

24890

Females

10525

F40-44

10525

23M→24M

23.0 - 24.0 mi

Top 86%
Γ—6
+12ft-82ft

Overall

24886

Females

10540

F40-44

10540

24M→40K

24.0 - 24.9 mi

Top 82%
Γ—1
+6ft-20ft

Overall

23890

Females

10079

F40-44

10079

40K→25.2M

24.9 - 25.2 mi

Top 80%
Γ—1
+13ft-16ft

Overall

23259

Females

9761

F40-44

9761

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
Γ—2
+22ft-21ft

Overall

23451

Females

9846

F40-44

9846

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1829
Passed By
308
Net Change
+1521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#27445
5K β†’ 10K42845+383#27445#27062
10K β†’ 15K23551+184#27062#26878
15K β†’ 20K24327+216#26878#26662
20K β†’ HALF338+25#26662#26637
HALF β†’ 25K15420+134#26637#26503
25K β†’ 30K17353+120#26503#26383
30K β†’ 20M6137+24#26383#26359
20M β†’ 21M1068+98#26359#26261
21M β†’ 35K5317+36#26261#26225
35K β†’ 23M7313+60#26225#26165
23M β†’ 24M5915+44#26165#26121
24M β†’ 40K886+82#26121#26039
40K β†’ 25.2M420+42#26039#25997
25.2M β†’ FINISH818+73#25997#25924
TOTALS1829308+1521
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing