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BOSTON MARATHON 2026

Abigail Arenstam

Bib: 26703•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
26:51
Rank: #20870
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
53:02
Rank: #20368 (+502)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:19:01
Rank: #20012 (+356)
10K → 15K
25:59 | 8:22/mi
20K· 12.43 mi
1:45:17
Rank: #19761 (+251)
15K → 20K
26:16 | 8:28/mi
HALF· 13.11 mi
1:51:07
Rank: #19799 (-38)
20K → HALF
5:50 | 8:34/mi
25K· 15.53 mi
2:12:26
Rank: #19875 (-76)
HALF → 25K
21:19 | 8:48/mi
30K· 18.64 mi
2:41:20
Rank: #20074 (-199)
25K → 30K
28:54 | 9:19/mi
20M
2:53:55
Rank: #20087 (-13)
30K → 20M
12:35 | 9:16/mi
21M
3:04:01
Rank: #20157 (-70)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:10:55
Rank: #20202 (-45)
21M → 35K
6:54 | 9:14/mi
23M
3:22:34
Rank: #20185 (+17)
35K → 23M
11:39 | 9:19/mi
24M
3:31:39
Rank: #20163 (+22)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:39:34
Rank: #20138 (+25)
24M → 40K
7:55 | 9:16/mi
25.2M
3:43:08
Rank: #20148 (-10)
40K → 25.2M
3:34 | 10:21/mi
FINISH· 26.22 mi
3:52:12
Rank: #20142 (+6)
25.2M → FINISH
9:04 | 8:54/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
Time1:51:07
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:01:05
Pace9:15 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1826:518:3926:51
8:39
-
10K
6.21 mi12:14:2953:028:3326:11
8:26
-0:13
15K
9.32 mi12:40:281:19:018:2925:59
8:22
-0:04
20K
12.43 mi13:06:441:45:178:2926:16
8:28
+0:06
HALF
13.11 mi13:12:341:51:078:295:50
8:34
+0:06
25K
15.53 mi13:33:532:12:268:3221:19
8:48
+0:14
30K
18.64 mi14:02:472:41:208:4028:54
9:19
+0:31
20M
20.00 mi14:15:222:53:558:4212:35
9:16
-0:03
21M
21.00 mi14:25:283:04:018:4610:06
10:06
+0:50
35K
21.75 mi14:32:223:10:558:476:54
9:14
-0:52
23M
23.00 mi14:44:013:22:348:4911:39
9:19
+0:05
24M
24.00 mi14:53:063:31:398:509:05
9:05
-0:14
40K
24.85 mi15:01:013:39:348:517:55
9:16
+0:11
25.2M
25.20 mi15:04:353:43:088:523:34
10:21
+1:05
FINISH
26.22 mi15:13:393:52:128:529:04
8:54
-1:27

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

8:22 /mi

Average Pace

8:52 /mi

Slowest Pace

10:21 /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

2:12:26

57% of race

Time at Steady Pace

1:26:06

37% of race

Time at Slower Pace

13:40

6% of race

Average Pace: 8:51 /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 mi11:48:1826:518:3926:51
8:39
#20870
10K
6.21 mi12:14:2953:028:3326:11
8:26
#20368
15K
9.32 mi12:40:281:19:018:2925:59
8:22
#20012
20K
12.43 mi13:06:441:45:178:2926:16
8:28
#19761
HALF
13.11 mi13:12:341:51:078:295:50
8:34
#19799
25K
15.53 mi13:33:532:12:268:3221:19
8:48
#19875
30K
18.64 mi14:02:472:41:208:4028:54
9:19
#20074
20M
20.00 mi14:15:222:53:558:4212:35
9:16
#20087
21M
21.00 mi14:25:283:04:018:4610:06
10:06
#20157
35K
21.75 mi14:32:223:10:558:476:54
9:14
#20202
23M
23.00 mi14:44:013:22:348:4911:39
9:19
#20185
24M
24.00 mi14:53:063:31:398:509:05
9:05
#20163
40K
24.85 mi15:01:013:39:348:517:55
9:16
#20138
25.2M
25.20 mi15:04:353:43:088:523:34
10:21
#20148
FINISH
26.22 mi15:13:393:52:128:529:04
8:54
#20142
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 mi208708092809219381(Top 67%)7250(Top 58%)7250(Top 127%)
10K6.21 mi3.10 mi20368+5027811+2817811+28119955(Top 69%)7570(Top 60%)7570(Top 132%)
15K9.32 mi3.11 mi20012+3567615+1967615+19619381(Top 67%)7250(Top 58%)7250(Top 127%)
20K12.43 mi3.11 mi19761+2517488+1277488+12719051(Top 66%)7100(Top 56%)7100(Top 124%)
HALF13.11 mi0.68 mi19799-387520-327520-3220628(Top 71%)7928(Top 63%)7928(Top 139%)
25K15.53 mi2.42 mi19875-767562-427562-4220192(Top 70%)7757(Top 62%)7757(Top 136%)
30K18.64 mi3.11 mi20074-1997692-1307692-13020936(Top 72%)8220(Top 65%)8220(Top 144%)
20M20.00 mi1.36 mi20087-137712-207712-2020145(Top 69%)7885(Top 63%)7885(Top 138%)
21M21.00 mi1.00 mi20157-707759-477759-4720763(Top 72%)8248(Top 66%)8248(Top 144%)
35K21.75 mi0.75 mi20202-457797-387797-3820899(Top 72%)8392(Top 67%)8392(Top 147%)
23M23.00 mi1.25 mi20185+177805-87805-819880(Top 69%)7927(Top 63%)7927(Top 139%)
24M24.00 mi1.00 mi20163+227807-27807-219824(Top 68%)7973(Top 63%)7973(Top 139%)
40K24.85 mi0.85 mi20138+257821-147821-1419537(Top 67%)7846(Top 62%)7846(Top 137%)
25.2M25.20 mi0.35 mi20148-107831-107831-1020613(Top 71%)8368(Top 67%)8368(Top 146%)
FINISH26.22 mi1.02 mi20142+67844-137844-1320101(Top 69%)8130(Top 65%)8130(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19381

Females

7250

F18-39

7250

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19955

Females

7570

F18-39

7570

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19381

Females

7250

F18-39

7250

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

19051

Females

7100

F18-39

7100

20K→HALF

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20628

Females

7928

F18-39

7928

HALF→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

20192

Females

7757

F18-39

7757

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20936

Females

8220

F18-39

8220

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

20145

Females

7885

F18-39

7885

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20763

Females

8248

F18-39

8248

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20899

Females

8392

F18-39

8392

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19880

Females

7927

F18-39

7927

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19824

Females

7973

F18-39

7973

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19537

Females

7846

F18-39

7846

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20613

Females

8368

F18-39

8368

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

20101

Females

8130

F18-39

8130

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2043
Passed By
1315
Net Change
+728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20870
5K → 10K614112+502#20870#20368
10K → 15K40650+356#20368#20012
15K → 20K30251+251#20012#19761
20K → HALF1856-38#19761#19799
HALF → 25K93169-76#19799#19875
25K → 30K125324-199#19875#20074
30K → 20M93106-13#20074#20087
20M → 21M57127-70#20087#20157
21M → 35K3176-45#20157#20202
35K → 23M9174+17#20202#20185
23M → 24M6442+22#20185#20163
24M → 40K7853+25#20163#20138
40K → 25.2M1121-10#20138#20148
25.2M → FINISH6054+6#20148#20142
TOTALS20431315+728
📊

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