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BOSTON MARATHON 2026

Elizabeth Samuelson

Bib: 24174•F

FL

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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 (F55-59)
#0 / 951
Top 34%
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
27:48
3.11 mi
Rank: #22403
Start → 5K
27:48 | 8:57/mi
10K
54:34
6.21 mi
Rank: #21742 (+661)
5K → 10K
26:46 | 8:37/mi
15K
1:20:58
9.32 mi
Rank: #21211 (+531)
10K → 15K
26:24 | 8:30/mi
20K
1:47:23
12.43 mi
Rank: #20731 (+480)
15K → 20K
26:25 | 8:31/mi
HALF
1:53:10
13.11 mi
Rank: #20696 (+35)
20K → HALF
5:47 | 8:30/mi
25K
2:13:49
15.53 mi
Rank: #20356 (+340)
HALF → 25K
20:39 | 8:31/mi
30K
2:40:50
18.64 mi
Rank: #19923 (+433)
25K → 30K
27:01 | 8:42/mi
20M
2:52:54
20.00 mi
Rank: #19820 (+103)
30K → 20M
12:04 | 8:54/mi
21M
3:02:53
21.00 mi
Rank: #19865 (-45)
20M → 21M
9:59 | 9:59/mi
35K
3:09:21
21.75 mi
Rank: #19800 (+65)
21M → 35K
6:28 | 8:39/mi
23M
3:20:40
23.00 mi
Rank: #19746 (+54)
35K → 23M
11:19 | 9:03/mi
24M
3:29:27
24.00 mi
Rank: #19688 (+58)
23M → 24M
8:47 | 8:47/mi
40K
3:37:06
24.85 mi
Rank: #19616 (+72)
24M → 40K
7:39 | 8:57/mi
25.2M
3:40:38
25.20 mi
Rank: #19644 (-28)
40K → 25.2M
3:32 | 10:15/mi
FINISH
3:49:34
26.22 mi
Rank: #19647 (-3)
25.2M → FINISH
8:56 | 8:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:56:24
Pace8:53 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:1127:488:5727:48
8:57
-
10K
6.21 mi11:59:5754:348:4726:46
8:37
-0:20
15K
9.32 mi12:26:211:20:588:4226:24
8:30
-0:07
20K
12.43 mi12:52:461:47:238:3926:25
8:31
+0:01
HALF
13.11 mi12:58:331:53:108:385:47
8:30
-0:01
25K
15.53 mi13:19:122:13:498:3720:39
8:31
+0:01
30K
18.64 mi13:46:132:40:508:3827:01
8:42
+0:11
20M
20.00 mi13:58:172:52:548:3912:04
8:54
+0:12
21M
21.00 mi14:08:163:02:538:439:59
9:59
+1:05
35K
21.75 mi14:14:443:09:218:436:28
8:39
-1:20
23M
23.00 mi14:26:033:20:408:4411:19
9:03
+0:24
24M
24.00 mi14:34:503:29:278:448:47
8:47
-0:16
40K
24.85 mi14:42:293:37:068:457:39
8:57
+0:10
25.2M
25.20 mi14:46:013:40:388:463:32
10:15
+1:18
FINISH
26.22 mi14:54:573:49:348:468:56
8:46
-1:29

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

8:30 /mi

Average Pace

8:46 /mi

Slowest Pace

10:15 /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

32:11

14% of race

Time at Steady Pace

2:52:33

75% of race

Time at Slower Pace

24:50

11% of race

Average Pace: 8:45 /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 mi11:33:1127:488:5727:48
8:57
#22403
10K
6.21 mi11:59:5754:348:4726:46
8:37
#21742
15K
9.32 mi12:26:211:20:588:4226:24
8:30
#21211
20K
12.43 mi12:52:461:47:238:3926:25
8:31
#20731
HALF
13.11 mi12:58:331:53:108:385:47
8:30
#20696
25K
15.53 mi13:19:122:13:498:3720:39
8:31
#20356
30K
18.64 mi13:46:132:40:508:3827:01
8:42
#19923
20M
20.00 mi13:58:172:52:548:3912:04
8:54
#19820
21M
21.00 mi14:08:163:02:538:439:59
9:59
#19865
35K
21.75 mi14:14:443:09:218:436:28
8:39
#19800
23M
23.00 mi14:26:033:20:408:4411:19
9:03
#19746
24M
24.00 mi14:34:503:29:278:448:47
8:47
#19688
40K
24.85 mi14:42:293:37:068:457:39
8:57
#19616
25.2M
25.20 mi14:46:013:40:388:463:32
10:15
#19644
FINISH
26.22 mi14:54:573:49:348:468:56
8:46
#19647
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi224038877887720145(Top 69%)7671(Top 61%)7671(Top 807%)
10K6.21 mi3.10 mi21742+6618539+3388539+33820983(Top 72%)8118(Top 65%)8118(Top 854%)
15K9.32 mi3.11 mi21211+5318260+2798260+27920145(Top 69%)7671(Top 61%)7671(Top 807%)
20K12.43 mi3.11 mi20731+4808009+2518009+25119337(Top 67%)7262(Top 58%)7262(Top 764%)
HALF13.11 mi0.68 mi20696+357990+197990+1920196(Top 70%)7687(Top 61%)7687(Top 808%)
25K15.53 mi2.42 mi20356+3407819+1717819+17118690(Top 64%)6957(Top 55%)6957(Top 732%)
30K18.64 mi3.11 mi19923+4337614+2057614+20518014(Top 62%)6681(Top 53%)6681(Top 703%)
20M20.00 mi1.36 mi19820+1037575+397575+3918415(Top 63%)6988(Top 56%)6988(Top 735%)
21M21.00 mi1.00 mi19865-457617-427617-4220377(Top 70%)8048(Top 64%)8048(Top 846%)
35K21.75 mi0.75 mi19800+657591+267591+2618397(Top 63%)7108(Top 57%)7108(Top 747%)
23M23.00 mi1.25 mi19746+547592-17592-118714(Top 64%)7330(Top 58%)7330(Top 771%)
24M24.00 mi1.00 mi19688+587570+227570+2218462(Top 64%)7224(Top 57%)7224(Top 760%)
40K24.85 mi0.85 mi19616+727541+297541+2918172(Top 63%)7142(Top 57%)7142(Top 751%)
25.2M25.20 mi0.35 mi19644-287558-177558-1720279(Top 70%)8205(Top 65%)8205(Top 863%)
FINISH26.22 mi1.02 mi19647-37569-117569-1119510(Top 67%)7822(Top 62%)7822(Top 823%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20145

Females

7671

F55-59

7671

5K→10K

3.1 - 6.2 mi

Top 72%
×5
+79ft-138ft

Overall

20983

Females

8118

F55-59

8118

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20145

Females

7671

F55-59

7671

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19337

Females

7262

F55-59

7262

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20196

Females

7687

F55-59

7687

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18690

Females

6957

F55-59

6957

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18014

Females

6681

F55-59

6681

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18415

Females

6988

F55-59

6988

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20377

Females

8048

F55-59

8048

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18397

Females

7108

F55-59

7108

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18714

Females

7330

F55-59

7330

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18462

Females

7224

F55-59

7224

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18172

Females

7142

F55-59

7142

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20279

Females

8205

F55-59

8205

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19510

Females

7822

F55-59

7822

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3294
Passed By
538
Net Change
+2756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22403
5K → 10K73675+661#22403#21742
10K → 15K55322+531#21742#21211
15K → 20K49818+480#21211#20731
20K → HALF5015+35#20731#20696
HALF → 25K35212+340#20696#20356
25K → 30K44512+433#20356#19923
30K → 20M13229+103#19923#19820
20M → 21M74119-45#19820#19865
21M → 35K8419+65#19865#19800
35K → 23M10450+54#19800#19746
23M → 24M9335+58#19746#19688
24M → 40K9018+72#19688#19616
40K → 25.2M2452-28#19616#19644
25.2M → FINISH5962-3#19644#19647
TOTALS3294538+2756
📊

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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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing