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BOSTON MARATHON 2026

Tamara Shuler

Bib: 23829•F

MI

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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 (F65-69)
#0 / 273
Top 29%
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
27:38
3.11 mi
Rank: #22161
Start → 5K
27:38 | 8:54/mi
10K
56:11
6.21 mi
Rank: #22929 (-768)
5K → 10K
28:33 | 9:12/mi
15K
1:25:54
9.32 mi
Rank: #23614 (-685)
10K → 15K
29:43 | 9:34/mi
20K
1:55:35
12.43 mi
Rank: #23707 (-93)
15K → 20K
29:41 | 9:34/mi
HALF
2:01:51
13.11 mi
Rank: #23688 (+19)
20K → HALF
6:16 | 9:12/mi
25K
2:25:40
15.53 mi
Rank: #23705 (-17)
HALF → 25K
23:49 | 9:50/mi
30K
2:56:15
18.64 mi
Rank: #23503 (+202)
25K → 30K
30:35 | 9:51/mi
20M
3:09:36
20.00 mi
Rank: #23363 (+140)
30K → 20M
13:21 | 9:50/mi
21M
3:21:00
21.00 mi
Rank: #23395 (-32)
20M → 21M
11:24 | 11:24/mi
35K
3:28:00
21.75 mi
Rank: #23305 (+90)
21M → 35K
7:00 | 9:22/mi
23M
3:40:21
23.00 mi
Rank: #23206 (+99)
35K → 23M
12:21 | 9:53/mi
24M
3:49:43
24.00 mi
Rank: #23088 (+118)
23M → 24M
9:22 | 9:22/mi
40K
3:58:22
24.85 mi
Rank: #23041 (+47)
24M → 40K
8:39 | 10:08/mi
25.2M
4:02:25
25.20 mi
Rank: #23057 (-16)
40K → 25.2M
4:03 | 11:45/mi
FINISH
4:13:13
26.22 mi
Rank: #23141 (-84)
25.2M → FINISH
10:48 | 10:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:01:51
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:11:22
Pace10:02 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:5627:388:5427:38
8:54
-
10K
6.21 mi11:59:2956:119:0328:33
9:12
+0:18
15K
9.32 mi12:29:121:25:549:1329:43
9:34
+0:22
20K
12.43 mi12:58:531:55:359:1929:41
9:34
0:00
HALF
13.11 mi13:05:092:01:519:186:16
9:12
-0:22
25K
15.53 mi13:28:582:25:409:2323:49
9:50
+0:38
30K
18.64 mi13:59:332:56:159:2830:35
9:51
+0:01
20M
20.00 mi14:12:543:09:369:2913:21
9:50
-0:01
21M
21.00 mi14:24:183:21:009:3511:24
11:24
+1:34
35K
21.75 mi14:31:183:28:009:347:00
9:22
-2:02
23M
23.00 mi14:43:393:40:219:3512:21
9:53
+0:31
24M
24.00 mi14:53:013:49:439:359:22
9:22
-0:31
40K
24.85 mi15:01:403:58:229:368:39
10:08
+0:46
25.2M
25.20 mi15:05:434:02:259:384:03
11:45
+1:37
FINISH
26.22 mi15:16:314:13:139:4010:48
10:36
-1:09

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

8:54 /mi

Average Pace

9:40 /mi

Slowest Pace

11:45 /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

1:18:49

31% of race

Time at Steady Pace

2:28:09

59% of race

Time at Slower Pace

26:15

10% of race

Average Pace: 9:39 /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 mi11:30:5627:388:5427:38
8:54
#22161
10K
6.21 mi11:59:2956:119:0328:33
9:12
#22929
15K
9.32 mi12:29:121:25:549:1329:43
9:34
#23614
20K
12.43 mi12:58:531:55:359:1929:41
9:34
#23707
HALF
13.11 mi13:05:092:01:519:186:16
9:12
#23688
25K
15.53 mi13:28:582:25:409:2323:49
9:50
#23705
30K
18.64 mi13:59:332:56:159:2830:35
9:51
#23503
20M
20.00 mi14:12:543:09:369:2913:21
9:50
#23363
21M
21.00 mi14:24:183:21:009:3511:24
11:24
#23395
35K
21.75 mi14:31:183:28:009:347:00
9:22
#23305
23M
23.00 mi14:43:393:40:219:3512:21
9:53
#23206
24M
24.00 mi14:53:013:49:439:359:22
9:22
#23088
40K
24.85 mi15:01:403:58:229:368:39
10:08
#23041
25.2M
25.20 mi15:05:434:02:259:384:03
11:45
#23057
FINISH
26.22 mi15:16:314:13:139:4010:48
10:36
#23141
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi221618772877224600(Top 85%)9968(Top 79%)9968(Top 3651%)
10K6.21 mi3.10 mi22929-7689123-3519123-35123582(Top 81%)9448(Top 75%)9448(Top 3461%)
15K9.32 mi3.11 mi23614-6859461-3389461-33824600(Top 85%)9968(Top 79%)9968(Top 3651%)
20K12.43 mi3.11 mi23707-939511-509511-5023903(Top 82%)9641(Top 77%)9641(Top 3532%)
HALF13.11 mi0.68 mi23688+199503+89503+823474(Top 81%)9414(Top 75%)9414(Top 3448%)
25K15.53 mi2.42 mi23705-179525-229525-2223862(Top 82%)9645(Top 77%)9645(Top 3533%)
30K18.64 mi3.11 mi23503+2029462+639462+6322706(Top 78%)9126(Top 73%)9126(Top 3343%)
20M20.00 mi1.36 mi23363+1409413+499413+4922112(Top 76%)8907(Top 71%)8907(Top 3263%)
21M21.00 mi1.00 mi23395-329439-269439-2623972(Top 83%)9957(Top 79%)9957(Top 3647%)
35K21.75 mi0.75 mi23305+909399+409399+4021376(Top 74%)8641(Top 69%)8641(Top 3165%)
23M23.00 mi1.25 mi23206+999359+409359+4021772(Top 75%)8888(Top 71%)8888(Top 3256%)
24M24.00 mi1.00 mi23088+1189317+429317+4220893(Top 72%)8495(Top 68%)8495(Top 3112%)
40K24.85 mi0.85 mi23041+479304+139304+1322271(Top 77%)9239(Top 73%)9239(Top 3384%)
25.2M25.20 mi0.35 mi23057-169312-89312-823988(Top 83%)10132(Top 81%)10132(Top 3711%)
FINISH26.22 mi1.02 mi23141-849363-519363-5125292(Top 87%)10786(Top 86%)10786(Top 3951%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21
+97ft-345ft

Overall

24600

Females

9968

F65-69

9968

5K→10K

3.1 - 6.2 mi

Top 81%
×5
+79ft-138ft

Overall

23582

Females

9448

F65-69

9448

10K→15K

6.2 - 9.3 mi

Top 85%
×3
+67ft-78ft

Overall

24600

Females

9968

F65-69

9968

15K→20K

9.3 - 12.4 mi

Top 82%
×5
+106ft-86ft

Overall

23903

Females

9641

F65-69

9641

20K→HALF

12.4 - 13.1 mi

Top 81%
×2
+19ft-37ft

Overall

23474

Females

9414

F65-69

9414

HALF→25K

13.1 - 15.5 mi

Top 82%
×4
+66ft-88ft

Overall

23862

Females

9645

F65-69

9645

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22706

Females

9126

F65-69

9126

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

22112

Females

8907

F65-69

8907

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

23972

Females

9957

F65-69

9957

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21376

Females

8641

F65-69

8641

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21772

Females

8888

F65-69

8888

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20893

Females

8495

F65-69

8495

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22271

Females

9239

F65-69

9239

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1
+13ft-16ft

Overall

23988

Females

10132

F65-69

10132

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25292

Females

10786

F65-69

10786

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1230*
Passed By
1065
Net Change
-980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22161
5K → 10K61200-768#22161#22929
10K → 15K22200-685#22929#23614
15K → 20K116200-93#23614#23707
20K → HALF3314+19#23707#23688
HALF → 25K106123-17#23688#23705
25K → 30K255*53+202#23705#23503
30K → 20M15414+140#23503#23363
20M → 21M5183-32#23363#23395
21M → 35K988+90#23395#23305
35K → 23M11213+99#23305#23206
23M → 24M1213+118#23206#23088
24M → 40K6922+47#23088#23041
40K → 25.2M1430-16#23041#23057
25.2M → FINISH18102-84#23057#23141
TOTALS1230*1065-980

* 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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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