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BOSTON MARATHON 2023

Kristen Singletary

Bib: 20286•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 28%
Division (F50-54)
#0 / 1207
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:38
Rank: #15823
Start → 5K
25:38 | 8:15/mi
10K· 6.21 mi
50:41
Rank: #15512 (+311)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:38
Rank: #15219 (+293)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:40:51
Rank: #14989 (+230)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:46:18
Rank: #14942 (+47)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:06:12
Rank: #14812 (+130)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:32:27
Rank: #14645 (+167)
25K → 30K
26:15 | 8:27/mi
20M
2:44:08
Rank: #14607 (+38)
30K → 20M
11:41 | 8:36/mi
21M
2:53:16
Rank: #14554 (+53)
20M → 21M
9:08 | 9:08/mi
35K· 21.75 mi
2:59:31
Rank: #14546 (+8)
21M → 35K
6:15 | 8:21/mi
23M
3:10:23
Rank: #14518 (+28)
35K → 23M
10:52 | 8:41/mi
24M
3:19:06
Rank: #14550 (-32)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:26:41
Rank: #14565 (-15)
24M → 40K
7:35 | 8:52/mi
25.2M
3:29:57
Rank: #14568 (-3)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:38:49
Rank: #14641 (-73)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5525:388:1525:38
8:15
-
10K
6.21 mi11:42:5850:418:0925:03
8:04
-0:11
15K
9.32 mi12:07:551:15:388:0724:57
8:02
-0:02
20K
12.43 mi12:33:081:40:518:0725:13
8:07
+0:05
Half
13.11 mi12:38:351:46:188:075:27
7:59
-0:08
25K
15.53 mi12:58:292:06:128:0719:54
8:12
+0:13
30K
18.64 mi13:24:442:32:278:1126:15
8:27
+0:15
20M
20.00 mi13:36:252:44:088:1211:41
8:36
+0:09
21M
21.00 mi13:45:332:53:168:159:08
9:08
+0:32
35K
21.75 mi13:51:482:59:318:156:15
8:21
-0:47
23M
23.00 mi14:02:403:10:238:1710:52
8:41
+0:20
24M
24.00 mi14:11:233:19:068:188:43
8:43
+0:02
40K
24.85 mi14:18:583:26:418:197:35
8:52
+0:09
25.2M
25.20 mi14:22:143:29:578:203:16
9:28
+0:36
Finish
26.22 mi14:31:063:38:498:218:52
8:42
-0:46

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

7:59 /mi

Average Pace

8:21 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:50

91% of race

Time at Steady Pace

16:43

8% of race

Time at Slower Pace

3:16

1% of race

Average Pace: 8:21 /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 mi11:17:5525:388:1525:38
8:15
#15823
10K
6.21 mi11:42:5850:418:0925:03
8:04
#15512
15K
9.32 mi12:07:551:15:388:0724:57
8:02
#15219
20K
12.43 mi12:33:081:40:518:0725:13
8:07
#14989
Half
13.11 mi12:38:351:46:188:075:27
7:59
#14942
25K
15.53 mi12:58:292:06:128:0719:54
8:12
#14812
30K
18.64 mi13:24:442:32:278:1126:15
8:27
#14645
20M
20.00 mi13:36:252:44:088:1211:41
8:36
#14607
21M
21.00 mi13:45:332:53:168:159:08
9:08
#14554
35K
21.75 mi13:51:482:59:318:156:15
8:21
#14546
23M
23.00 mi14:02:403:10:238:1710:52
8:41
#14518
24M
24.00 mi14:11:233:19:068:188:43
8:43
#14550
40K
24.85 mi14:18:583:26:418:197:35
8:52
#14565
25.2M
25.20 mi14:22:143:29:578:203:16
9:28
#14568
Finish
26.22 mi14:31:063:38:498:218:52
8:42
#14641
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi158235167516714656(Top 55%)4480(Top 39%)4480(Top 371%)
10K6.21 mi3.10 mi15512+3114977+1904977+19015273(Top 57%)4842(Top 42%)4842(Top 401%)
15K9.32 mi3.11 mi15219+2934797+1804797+18014656(Top 55%)4480(Top 39%)4480(Top 371%)
20K12.43 mi3.11 mi14989+2304677+1204677+12014345(Top 54%)4316(Top 38%)4316(Top 358%)
Half13.11 mi0.68 mi14942+474649+284649+2814362(Top 54%)4306(Top 38%)4306(Top 357%)
25K15.53 mi2.42 mi14812+1304593+564593+5614302(Top 54%)4394(Top 38%)4394(Top 364%)
30K18.64 mi3.11 mi14645+1674524+694524+6913994(Top 53%)4330(Top 38%)4330(Top 359%)
20M20.00 mi1.36 mi14607+384531-74531-714267(Top 54%)4579(Top 40%)4579(Top 379%)
21M21.00 mi1.00 mi14554+534527+44527+414145(Top 53%)4565(Top 40%)4565(Top 378%)
35K21.75 mi0.75 mi14546+84531-44531-414471(Top 54%)4823(Top 42%)4823(Top 400%)
23M23.00 mi1.25 mi14518+284534-34534-314272(Top 54%)4772(Top 42%)4772(Top 395%)
24M24.00 mi1.00 mi14550-324582-484582-4815761(Top 59%)5674(Top 50%)5674(Top 470%)
40K24.85 mi0.85 mi14565-154617-354617-3515465(Top 58%)5559(Top 49%)5559(Top 461%)
25.2M25.20 mi0.35 mi14568-34631-144631-1415097(Top 57%)5351(Top 47%)5351(Top 443%)
Finish26.22 mi1.02 mi14641-734690-594690-5916505(Top 62%)6096(Top 53%)6096(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14656

Females

4480

F50-54

4480

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15273

Females

4842

F50-54

4842

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14656

Females

4480

F50-54

4480

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14345

Females

4316

F50-54

4316

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14362

Females

4306

F50-54

4306

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14302

Females

4394

F50-54

4394

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13994

Females

4330

F50-54

4330

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14267

Females

4579

F50-54

4579

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14145

Females

4565

F50-54

4565

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14471

Females

4823

F50-54

4823

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14272

Females

4772

F50-54

4772

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15761

Females

5674

F50-54

5674

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15465

Females

5559

F50-54

5559

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15097

Females

5351

F50-54

5351

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16505

Females

6096

F50-54

6096

Passing Analysis

Category:
Athletes Passed
2184
Passed By
1002
Net Change
+1182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15823
5K → 10K475164+311#15823#15512
10K → 15K36269+293#15512#15219
15K → 20K31585+230#15219#14989
20K → Half5912+47#14989#14942
Half → 25K19363+130#14942#14812
25K → 30K24881+167#14812#14645
30K → 20M10870+38#14645#14607
20M → 21M10855+53#14607#14554
21M → 35K4537+8#14554#14546
35K → 23M9163+28#14546#14518
23M → 24M6193-32#14518#14550
24M → 40K5267-15#14550#14565
40K → 25.2M2831-3#14565#14568
25.2M → Finish39112-73#14568#14641
TOTALS21841002+1182
📊

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