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BOSTON MARATHON 2023

Tamara Singleton

Bib: 23706•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:26
Rank: #21058
Start → 5K
28:26 | 9:09/mi
10K· 6.21 mi
57:44
Rank: #21703 (-645)
5K → 10K
29:18 | 9:26/mi
15K· 9.32 mi
1:27:18
Rank: #21889 (-186)
10K → 15K
29:34 | 9:31/mi
20K· 12.43 mi
1:57:08
Rank: #21877 (+12)
15K → 20K
29:50 | 9:36/mi
Half· 13.11 mi
2:03:35
Rank: #21879 (-2)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:28:05
Rank: #21986 (-107)
Half → 25K
24:30 | 10:06/mi
30K· 18.64 mi
3:00:42
Rank: #22045 (-59)
25K → 30K
32:37 | 10:30/mi
20M
3:14:58
Rank: #22021 (+24)
30K → 20M
14:16 | 10:30/mi
21M
3:26:13
Rank: #21980 (+41)
20M → 21M
11:15 | 11:15/mi
35K· 21.75 mi
3:33:45
Rank: #21962 (+18)
21M → 35K
7:32 | 10:04/mi
23M
3:46:50
Rank: #21921 (+41)
35K → 23M
13:05 | 10:27/mi
24M
3:56:50
Rank: #21871 (+50)
23M → 24M
10:00 | 10:00/mi
40K· 24.85 mi
4:05:42
Rank: #21831 (+40)
24M → 40K
8:52 | 10:22/mi
25.2M
4:09:35
Rank: #21813 (+18)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:19:33
Rank: #21794 (+19)
25.2M → Finish
9:58 | 9:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:35
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:15:58
Pace10:22 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2028:269:0928:26
9:09
-
10K
6.21 mi11:53:3857:449:1729:18
9:26
+0:17
15K
9.32 mi12:23:121:27:189:2229:34
9:31
+0:05
20K
12.43 mi12:53:021:57:089:2629:50
9:36
+0:05
Half
13.11 mi12:59:292:03:359:266:27
9:27
-0:09
25K
15.53 mi13:23:592:28:059:3224:30
10:06
+0:39
30K
18.64 mi13:56:363:00:429:4232:37
10:30
+0:24
20M
20.00 mi14:10:523:14:589:4514:16
10:30
0:00
21M
21.00 mi14:22:073:26:139:4911:15
11:15
+0:45
35K
21.75 mi14:29:393:33:459:507:32
10:04
-1:11
23M
23.00 mi14:42:443:46:509:5213:05
10:27
+0:23
24M
24.00 mi14:52:443:56:509:5210:00
10:00
-0:27
40K
24.85 mi15:01:364:05:429:538:52
10:22
+0:22
25.2M
25.20 mi15:05:294:09:359:543:53
11:16
+0:54
Finish
26.22 mi15:15:274:19:339:549:58
9:47
-1:29

Checkpoints & Pacing

📈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

9:09 /mi

Average Pace

9:54 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:35

48% of race

Time at Steady Pace

1:00:52

23% of race

Time at Slower Pace

1:15:06

29% of race

Average Pace: 9:54 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:24:2028:269:0928:26
9:09
#21058
10K
6.21 mi11:53:3857:449:1729:18
9:26
#21703
15K
9.32 mi12:23:121:27:189:2229:34
9:31
#21889
20K
12.43 mi12:53:021:57:089:2629:50
9:36
#21877
Half
13.11 mi12:59:292:03:359:266:27
9:27
#21879
25K
15.53 mi13:23:592:28:059:3224:30
10:06
#21986
30K
18.64 mi13:56:363:00:429:4232:37
10:30
#22045
20M
20.00 mi14:10:523:14:589:4514:16
10:30
#22021
21M
21.00 mi14:22:073:26:139:4911:15
11:15
#21980
35K
21.75 mi14:29:393:33:459:507:32
10:04
#21962
23M
23.00 mi14:42:443:46:509:5213:05
10:27
#21921
24M
24.00 mi14:52:443:56:509:5210:00
10:00
#21871
40K
24.85 mi15:01:364:05:429:538:52
10:22
#21831
25.2M
25.20 mi15:05:294:09:359:543:53
11:16
#21813
Finish
26.22 mi15:15:274:19:339:549:58
9:47
#21794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi210588403840322312(Top 84%)8969(Top 79%)8969(Top 1100%)
10K6.21 mi3.10 mi21703-6458691-2888691-28822310(Top 84%)8985(Top 79%)8985(Top 1102%)
15K9.32 mi3.11 mi21889-1868777-868777-8622312(Top 84%)8969(Top 79%)8969(Top 1100%)
20K12.43 mi3.11 mi21877+128761+168761+1621875(Top 82%)8728(Top 76%)8728(Top 1071%)
Half13.11 mi0.68 mi21879-28761876122001(Top 83%)8787(Top 77%)8787(Top 1078%)
25K15.53 mi2.42 mi21986-1078821-608821-6022444(Top 84%)9082(Top 80%)9082(Top 1114%)
30K18.64 mi3.11 mi22045-598859-388859-3822209(Top 83%)9018(Top 79%)9018(Top 1107%)
20M20.00 mi1.36 mi22021+248860-18860-121731(Top 82%)8831(Top 77%)8831(Top 1084%)
21M21.00 mi1.00 mi21980+418843+178843+1721385(Top 80%)8676(Top 76%)8676(Top 1065%)
35K21.75 mi0.75 mi21962+188833+108833+1021503(Top 81%)8769(Top 77%)8769(Top 1076%)
23M23.00 mi1.25 mi21921+418825+88825+821199(Top 80%)8626(Top 76%)8626(Top 1058%)
24M24.00 mi1.00 mi21871+508810+158810+1520796(Top 78%)8433(Top 74%)8433(Top 1035%)
40K24.85 mi0.85 mi21831+408806+48806+420931(Top 79%)8562(Top 75%)8562(Top 1051%)
25.2M25.20 mi0.35 mi21813+188797+98797+921071(Top 79%)8630(Top 76%)8630(Top 1059%)
Finish26.22 mi1.02 mi21794+198790+78790+721103(Top 79%)8612(Top 75%)8612(Top 1057%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22312

Females

8969

F55-59

8969

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22310

Females

8985

F55-59

8985

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22312

Females

8969

F55-59

8969

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21875

Females

8728

F55-59

8728

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22001

Females

8787

F55-59

8787

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22444

Females

9082

F55-59

9082

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22209

Females

9018

F55-59

9018

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21731

Females

8831

F55-59

8831

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21385

Females

8676

F55-59

8676

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21503

Females

8769

F55-59

8769

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21199

Females

8626

F55-59

8626

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20796

Females

8433

F55-59

8433

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20931

Females

8562

F55-59

8562

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21071

Females

8630

F55-59

8630

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21103

Females

8612

F55-59

8612

Passing Analysis

Category:
Athletes Passed
979
Passed By
1715
Net Change
-736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21058
5K → 10K79724-645#21058#21703
10K → 15K92278-186#21703#21889
15K → 20K137125+12#21889#21877
20K → Half2224-2#21877#21879
Half → 25K69176-107#21879#21986
25K → 30K122181-59#21986#22045
30K → 20M7551+24#22045#22021
20M → 21M8140+41#22021#21980
21M → 35K3820+18#21980#21962
35K → 23M7635+41#21962#21921
23M → 24M6212+50#21921#21871
24M → 40K6020+40#21871#21831
40K → 25.2M246+18#21831#21813
25.2M → Finish4223+19#21813#21794
TOTALS9791715-736
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing