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BOSTON MARATHON 2026

Deirdre Calvert

Bib: 11977•F

MA

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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
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
27:47
3.11 mi
Rank: #22386
Start → 5K
27:47 | 8:57/mi
10K
56:09
6.21 mi
Rank: #22906 (-520)
5K → 10K
28:22 | 9:08/mi
15K
1:24:08
9.32 mi
Rank: #22834 (+72)
10K → 15K
27:59 | 9:01/mi
20K
1:52:38
12.43 mi
Rank: #22768 (+66)
15K → 20K
28:30 | 9:11/mi
HALF
1:58:40
13.11 mi
Rank: #22734 (+34)
20K → HALF
6:02 | 8:52/mi
25K
2:21:34
15.53 mi
Rank: #22767 (-33)
HALF → 25K
22:54 | 9:27/mi
30K
2:52:27
18.64 mi
Rank: #22823 (-56)
25K → 30K
30:53 | 9:57/mi
20M
3:06:20
20.00 mi
Rank: #22845 (-22)
30K → 20M
13:53 | 10:14/mi
21M
3:18:13
21.00 mi
Rank: #22980 (-135)
20M → 21M
11:53 | 11:53/mi
35K
3:25:48
21.75 mi
Rank: #23001 (-21)
21M → 35K
7:35 | 10:09/mi
23M
3:38:33
23.00 mi
Rank: #22975 (+26)
35K → 23M
12:45 | 10:12/mi
24M
3:48:27
24.00 mi
Rank: #22953 (+22)
23M → 24M
9:54 | 9:54/mi
40K
3:57:33
24.85 mi
Rank: #22951 (+2)
24M → 40K
9:06 | 10:39/mi
25.2M
4:01:26
25.20 mi
Rank: #22942 (+9)
40K → 25.2M
3:53 | 11:16/mi
FINISH
4:10:59
26.22 mi
Rank: #22910 (+32)
25.2M → FINISH
9:33 | 9:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:40
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:12:19
Pace10:06 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3627:478:5727:47
8:57
-
10K
6.21 mi11:15:5856:099:0328:22
9:08
+0:11
15K
9.32 mi11:43:571:24:089:0227:59
9:01
-0:07
20K
12.43 mi12:12:271:52:389:0428:30
9:11
+0:10
HALF
13.11 mi12:18:291:58:409:046:02
8:52
-0:19
25K
15.53 mi12:41:232:21:349:0722:54
9:27
+0:35
30K
18.64 mi13:12:162:52:279:1630:53
9:57
+0:30
20M
20.00 mi13:26:093:06:209:2013:53
10:14
+0:17
21M
21.00 mi13:38:023:18:139:2711:53
11:53
+1:39
35K
21.75 mi13:45:373:25:489:287:35
10:09
-1:44
23M
23.00 mi13:58:223:38:339:3112:45
10:12
+0:03
24M
24.00 mi14:08:163:48:279:329:54
9:54
-0:18
40K
24.85 mi14:17:223:57:339:349:06
10:39
+0:45
25.2M
25.20 mi14:21:154:01:269:353:53
11:16
+0:37
FINISH
26.22 mi14:30:484:10:599:359:33
9:23
-1:53

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

8:52 /mi

Average Pace

9:35 /mi

Slowest Pace

11:53 /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

2:31:07

60% of race

Time at Steady Pace

1:15:00

30% of race

Time at Slower Pace

24:52

10% of race

Average Pace: 9:34 /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 mi10:47:3627:478:5727:47
8:57
#22386
10K
6.21 mi11:15:5856:099:0328:22
9:08
#22906
15K
9.32 mi11:43:571:24:089:0227:59
9:01
#22834
20K
12.43 mi12:12:271:52:389:0428:30
9:11
#22768
HALF
13.11 mi12:18:291:58:409:046:02
8:52
#22734
25K
15.53 mi12:41:232:21:349:0722:54
9:27
#22767
30K
18.64 mi13:12:162:52:279:1630:53
9:57
#22823
20M
20.00 mi13:26:093:06:209:2013:53
10:14
#22845
21M
21.00 mi13:38:023:18:139:2711:53
11:53
#22980
35K
21.75 mi13:45:373:25:489:287:35
10:09
#23001
23M
23.00 mi13:58:223:38:339:3112:45
10:12
#22975
24M
24.00 mi14:08:163:48:279:329:54
9:54
#22953
40K
24.85 mi14:17:223:57:339:349:06
10:39
#22951
25.2M
25.20 mi14:21:154:01:269:353:53
11:16
#22942
FINISH
26.22 mi14:30:484:10:599:359:33
9:23
#22910
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 mi223868876887622747(Top 78%)9007(Top 72%)9007(Top 947%)
10K6.21 mi3.10 mi22906-5209110-2349110-23423357(Top 80%)9330(Top 74%)9330(Top 981%)
15K9.32 mi3.11 mi22834+729060+509060+5022747(Top 78%)9007(Top 72%)9007(Top 947%)
20K12.43 mi3.11 mi22768+669033+279033+2722655(Top 78%)8993(Top 71%)8993(Top 946%)
HALF13.11 mi0.68 mi22734+349012+219012+2122116(Top 76%)8706(Top 69%)8706(Top 915%)
25K15.53 mi2.42 mi22767-339056-449056-4422854(Top 79%)9131(Top 73%)9131(Top 960%)
30K18.64 mi3.11 mi22823-569108-529108-5222968(Top 79%)9269(Top 74%)9269(Top 975%)
20M20.00 mi1.36 mi22845-229139-319139-3123162(Top 80%)9457(Top 75%)9457(Top 994%)
21M21.00 mi1.00 mi22980-1359229-909229-9024875(Top 86%)10435(Top 83%)10435(Top 1097%)
35K21.75 mi0.75 mi23001-219249-209249-2023514(Top 81%)9721(Top 77%)9721(Top 1022%)
23M23.00 mi1.25 mi22975+269250-19250-122639(Top 78%)9330(Top 74%)9330(Top 981%)
24M24.00 mi1.00 mi22953+229247+39247+322539(Top 78%)9307(Top 74%)9307(Top 979%)
40K24.85 mi0.85 mi22951+29256-99256-923541(Top 81%)9892(Top 79%)9892(Top 1040%)
25.2M25.20 mi0.35 mi22942+99258-29258-223012(Top 79%)9610(Top 76%)9610(Top 1011%)
FINISH26.22 mi1.02 mi22910+329252+69252+621939(Top 76%)9037(Top 72%)9037(Top 950%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22747

Females

9007

F55-59

9007

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23357

Females

9330

F55-59

9330

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22747

Females

9007

F55-59

9007

15K→20K

9.3 - 12.4 mi

Top 78%
×5
+106ft-86ft

Overall

22655

Females

8993

F55-59

8993

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22116

Females

8706

F55-59

8706

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22854

Females

9131

F55-59

9131

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

22968

Females

9269

F55-59

9269

30K→20M

18.6 - 20.0 mi

Top 80%
×5
+64ft-50ft

Overall

23162

Females

9457

F55-59

9457

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

24875

Females

10435

F55-59

10435

21M→35K

21.0 - 21.8 mi

Top 81%
×7
+17ft-86ft

Overall

23514

Females

9721

F55-59

9721

35K→23M

21.8 - 23.0 mi

Top 78%
×5
+23ft-63ft

Overall

22639

Females

9330

F55-59

9330

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22539

Females

9307

F55-59

9307

24M→40K

24.0 - 24.9 mi

Top 81%
×1
+6ft-20ft

Overall

23541

Females

9892

F55-59

9892

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

23012

Females

9610

F55-59

9610

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

21939

Females

9037

F55-59

9037

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1213
Passed By
1737
Net Change
-524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22386
5K → 10K87607-520#22386#22906
10K → 15K206134+72#22906#22834
15K → 20K184118+66#22834#22768
20K → HALF5016+34#22768#22734
HALF → 25K117150-33#22734#22767
25K → 30K160216-56#22767#22823
30K → 20M6284-22#22823#22845
20M → 21M48183-135#22845#22980
21M → 35K3455-21#22980#23001
35K → 23M7448+26#23001#22975
23M → 24M6038+22#22975#22953
24M → 40K4038+2#22953#22951
40K → 25.2M2617+9#22951#22942
25.2M → FINISH6533+32#22942#22910
TOTALS12131737-524
📊

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