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BOSTON MARATHON 2023

Debra Carlson

Bib: 16541•F

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0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Masters (Masters Women)
#0 / 6539
Top 11%
Division (F55-59)
#0 / 815
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:10
Rank: #12173
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
48:11
Rank: #12319 (-146)
5K → 10K
24:01 | 7:44/mi
15K· 9.32 mi
1:12:07
Rank: #12126 (+193)
10K → 15K
23:56 | 7:42/mi
20K· 12.43 mi
1:36:08
Rank: #11840 (+286)
15K → 20K
24:01 | 7:44/mi
Half· 13.11 mi
1:41:24
Rank: #11849 (-9)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:00:11
Rank: #11587 (+262)
Half → 25K
18:47 | 7:45/mi
30K· 18.64 mi
2:24:54
Rank: #11378 (+209)
25K → 30K
24:43 | 7:57/mi
20M
2:35:53
Rank: #11313 (+65)
30K → 20M
10:59 | 8:05/mi
21M
2:44:32
Rank: #11279 (+34)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:50:28
Rank: #11300 (-21)
21M → 35K
5:56 | 7:56/mi
23M
3:00:40
Rank: #11248 (+52)
35K → 23M
10:12 | 8:09/mi
24M
3:08:34
Rank: #11215 (+33)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:15:30
Rank: #11169 (+46)
24M → 40K
6:56 | 8:07/mi
25.2M
3:18:33
Rank: #11168 (+1)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:26:39
Rank: #11183 (-15)
25.2M → Finish
8:06 | 7:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:45:15
Pace8:02 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2024:107:4724:10
7:47
-
10K
6.21 mi11:38:2148:117:4524:01
7:44
-0:03
15K
9.32 mi12:02:171:12:077:4423:56
7:42
-0:02
20K
12.43 mi12:26:181:36:087:4424:01
7:44
+0:02
Half
13.11 mi12:31:341:41:247:445:16
7:43
-0:01
25K
15.53 mi12:50:212:00:117:4418:47
7:45
+0:02
30K
18.64 mi13:15:042:24:547:4624:43
7:57
+0:12
20M
20.00 mi13:26:032:35:537:4810:59
8:05
+0:08
21M
21.00 mi13:34:422:44:327:508:39
8:39
+0:34
35K
21.75 mi13:40:382:50:287:505:56
7:56
-0:43
23M
23.00 mi13:50:503:00:407:5110:12
8:09
+0:13
24M
24.00 mi13:58:443:08:347:517:54
7:54
-0:15
40K
24.85 mi14:05:403:15:307:526:56
8:07
+0:13
25.2M
25.20 mi14:08:433:18:337:533:03
8:51
+0:44
Finish
26.22 mi14:16:493:26:397:538:06
7:57
-0:54

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

7:42 /mi

Average Pace

7:53 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:57

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:14:2024:107:4724:10
7:47
#12173
10K
6.21 mi11:38:2148:117:4524:01
7:44
#12319
15K
9.32 mi12:02:171:12:077:4423:56
7:42
#12126
20K
12.43 mi12:26:181:36:087:4424:01
7:44
#11840
Half
13.11 mi12:31:341:41:247:445:16
7:43
#11849
25K
15.53 mi12:50:212:00:117:4418:47
7:45
#11587
30K
18.64 mi13:15:042:24:547:4624:43
7:57
#11378
20M
20.00 mi13:26:032:35:537:4810:59
8:05
#11313
21M
21.00 mi13:34:422:44:327:508:39
8:39
#11279
35K
21.75 mi13:40:382:50:287:505:56
7:56
#11300
23M
23.00 mi13:50:503:00:407:5110:12
8:09
#11248
24M
24.00 mi13:58:443:08:347:517:54
7:54
#11215
40K
24.85 mi14:05:403:15:307:526:56
8:07
#11169
25.2M
25.20 mi14:08:433:18:337:533:03
8:51
#11168
Finish
26.22 mi14:16:493:26:397:538:06
7:57
#11183
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi121732963296311880(Top 45%)2837(Top 25%)2837(Top 348%)
10K6.21 mi3.10 mi12319-1463049-863049-8612518(Top 47%)3157(Top 28%)3157(Top 387%)
15K9.32 mi3.11 mi12126+1932965+842965+8411880(Top 45%)2837(Top 25%)2837(Top 348%)
20K12.43 mi3.11 mi11840+2862821+1442821+14411161(Top 42%)2494(Top 22%)2494(Top 306%)
Half13.11 mi0.68 mi11849-92825-42825-412074(Top 45%)2952(Top 26%)2952(Top 362%)
25K15.53 mi2.42 mi11587+2622689+1362689+13610697(Top 40%)2339(Top 20%)2339(Top 287%)
30K18.64 mi3.11 mi11378+2092625+642625+6410556(Top 40%)2420(Top 21%)2420(Top 297%)
20M20.00 mi1.36 mi11313+652603+222603+2210906(Top 41%)2686(Top 24%)2686(Top 330%)
21M21.00 mi1.00 mi11279+342610-72610-711365(Top 43%)3063(Top 27%)3063(Top 376%)
35K21.75 mi0.75 mi11300-212630-202630-2011634(Top 44%)3213(Top 28%)3213(Top 394%)
23M23.00 mi1.25 mi11248+522628+22628+210821(Top 41%)2923(Top 26%)2923(Top 359%)
24M24.00 mi1.00 mi11215+332632-42632-410546(Top 40%)2853(Top 25%)2853(Top 350%)
40K24.85 mi0.85 mi11169+462635-32635-310787(Top 41%)3035(Top 27%)3035(Top 372%)
25.2M25.20 mi0.35 mi11168+12650-152650-1511613(Top 44%)3509(Top 31%)3509(Top 431%)
Finish26.22 mi1.02 mi11183-152681-312681-3111749(Top 44%)3569(Top 31%)3569(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11880

Females

2837

F55-59

2837

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12518

Females

3157

F55-59

3157

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11880

Females

2837

F55-59

2837

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11161

Females

2494

F55-59

2494

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12074

Females

2952

F55-59

2952

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10697

Females

2339

F55-59

2339

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10556

Females

2420

F55-59

2420

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10906

Females

2686

F55-59

2686

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11365

Females

3063

F55-59

3063

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11634

Females

3213

F55-59

3213

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10821

Females

2923

F55-59

2923

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10546

Females

2853

F55-59

2853

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10787

Females

3035

F55-59

3035

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11613

Females

3509

F55-59

3509

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11749

Females

3569

F55-59

3569

Passing Analysis

Category:
Athletes Passed
2122
Passed By
1132
Net Change
+990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12173
5K → 10K248394-146#12173#12319
10K → 15K293100+193#12319#12126
15K → 20K32741+286#12126#11840
20K → Half3039-9#11840#11849
Half → 25K29028+262#11849#11587
25K → 30K28980+209#11587#11378
30K → 20M12358+65#11378#11313
20M → 21M10167+34#11313#11279
21M → 35K3859-21#11279#11300
35K → 23M11462+52#11300#11248
23M → 24M8653+33#11248#11215
24M → 40K8034+46#11215#11169
40K → 25.2M3938+1#11169#11168
25.2M → Finish6479-15#11168#11183
TOTALS21221132+990
📊

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