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BOSTON MARATHON 2023

Karen Mcamis

Bib: 21596•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F50-54)
#0 / 1207
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:22
Rank: #19510
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
54:19
Rank: #19359 (+151)
5K → 10K
26:57 | 8:40/mi
15K· 9.32 mi
1:21:13
Rank: #19122 (+237)
10K → 15K
26:54 | 8:39/mi
20K· 12.43 mi
1:48:12
Rank: #18830 (+292)
15K → 20K
26:59 | 8:41/mi
Half· 13.11 mi
1:54:08
Rank: #18829 (+1)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:15:14
Rank: #18605 (+224)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:43:14
Rank: #18313 (+292)
25K → 30K
28:00 | 9:01/mi
20M
2:55:16
Rank: #18118 (+195)
30K → 20M
12:02 | 8:51/mi
21M
3:04:22
Rank: #17859 (+259)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
3:10:52
Rank: #17793 (+66)
21M → 35K
6:30 | 8:41/mi
23M
3:22:00
Rank: #17660 (+133)
35K → 23M
11:08 | 8:54/mi
24M
3:30:23
Rank: #17496 (+164)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:37:32
Rank: #17312 (+184)
24M → 40K
7:09 | 8:22/mi
25.2M
3:40:41
Rank: #17244 (+68)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:49:00
Rank: #17107 (+137)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:54:08
Pace8:42 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:54:52
Pace8:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0027:228:4927:22
8:49
-
10K
6.21 mi11:47:5754:198:4426:57
8:40
-0:09
15K
9.32 mi12:14:511:21:138:4326:54
8:39
-0:01
20K
12.43 mi12:41:501:48:128:4226:59
8:41
+0:02
Half
13.11 mi12:47:461:54:088:425:56
8:42
+0:01
25K
15.53 mi13:08:522:15:148:4221:06
8:42
0:00
30K
18.64 mi13:36:522:43:148:4528:00
9:01
+0:19
20M
20.00 mi13:48:542:55:168:4612:02
8:51
-0:10
21M
21.00 mi13:58:003:04:228:479:06
9:06
+0:15
35K
21.75 mi14:04:303:10:528:476:30
8:41
-0:25
23M
23.00 mi14:15:383:22:008:4711:08
8:54
+0:13
24M
24.00 mi14:24:013:30:238:468:23
8:23
-0:31
40K
24.85 mi14:31:103:37:328:457:09
8:22
-0:01
25.2M
25.20 mi14:34:193:40:418:453:09
9:08
+0:46
Finish
26.22 mi14:42:383:49:008:448:19
8:10
-0:58

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

8:10 /mi

Average Pace

8:44 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:45

82% of race

Time at Steady Pace

40:15

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi11:21:0027:228:4927:22
8:49
#19510
10K
6.21 mi11:47:5754:198:4426:57
8:40
#19359
15K
9.32 mi12:14:511:21:138:4326:54
8:39
#19122
20K
12.43 mi12:41:501:48:128:4226:59
8:41
#18830
Half
13.11 mi12:47:461:54:088:425:56
8:42
#18829
25K
15.53 mi13:08:522:15:148:4221:06
8:42
#18605
30K
18.64 mi13:36:522:43:148:4528:00
9:01
#18313
20M
20.00 mi13:48:542:55:168:4612:02
8:51
#18118
21M
21.00 mi13:58:003:04:228:479:06
9:06
#17859
35K
21.75 mi14:04:303:10:528:476:30
8:41
#17793
23M
23.00 mi14:15:383:22:008:4711:08
8:54
#17660
24M
24.00 mi14:24:013:30:238:468:23
8:23
#17496
40K
24.85 mi14:31:103:37:328:457:09
8:22
#17312
25.2M
25.20 mi14:34:193:40:418:453:09
9:08
#17244
Finish
26.22 mi14:42:383:49:008:448:19
8:10
#17107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi195107518751818772(Top 71%)6961(Top 61%)6961(Top 577%)
10K6.21 mi3.10 mi19359+1517376+1427376+14219280(Top 72%)7251(Top 63%)7251(Top 601%)
15K9.32 mi3.11 mi19122+2377207+1697207+16918772(Top 71%)6961(Top 61%)6961(Top 577%)
20K12.43 mi3.11 mi18830+2927017+1907017+19018025(Top 68%)6521(Top 57%)6521(Top 540%)
Half13.11 mi0.68 mi18829+17021-47021-418923(Top 71%)7022(Top 61%)7022(Top 582%)
25K15.53 mi2.42 mi18605+2246896+1256896+12517395(Top 65%)6221(Top 54%)6221(Top 515%)
30K18.64 mi3.11 mi18313+2926750+1466750+14617248(Top 65%)6212(Top 54%)6212(Top 515%)
20M20.00 mi1.36 mi18118+1956652+986652+9815779(Top 59%)5443(Top 48%)5443(Top 451%)
21M21.00 mi1.00 mi17859+2596508+1446508+14414022(Top 53%)4505(Top 39%)4505(Top 373%)
35K21.75 mi0.75 mi17793+666477+316477+3116376(Top 62%)5925(Top 52%)5925(Top 491%)
23M23.00 mi1.25 mi17660+1336418+596418+5915525(Top 58%)5470(Top 48%)5470(Top 453%)
24M24.00 mi1.00 mi17496+1646325+936325+9313824(Top 52%)4582(Top 40%)4582(Top 380%)
40K24.85 mi0.85 mi17312+1846236+896236+8912533(Top 47%)3974(Top 35%)3974(Top 329%)
25.2M25.20 mi0.35 mi17244+686204+326204+3213388(Top 50%)4459(Top 39%)4459(Top 369%)
Finish26.22 mi1.02 mi17107+1376133+716133+7113219(Top 50%)4328(Top 38%)4328(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18772

Females

6961

F50-54

6961

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19280

Females

7251

F50-54

7251

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18772

Females

6961

F50-54

6961

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18025

Females

6521

F50-54

6521

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18923

Females

7022

F50-54

7022

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17395

Females

6221

F50-54

6221

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17248

Females

6212

F50-54

6212

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15779

Females

5443

F50-54

5443

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14022

Females

4505

F50-54

4505

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16376

Females

5925

F50-54

5925

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15525

Females

5470

F50-54

5470

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13824

Females

4582

F50-54

4582

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12533

Females

3974

F50-54

3974

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13388

Females

4459

F50-54

4459

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13219

Females

4328

F50-54

4328

Passing Analysis

Category:
Athletes Passed
2998
Passed By
595
Net Change
+2403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19510
5K → 10K422271+151#19510#19359
10K → 15K32891+237#19359#19122
15K → 20K33745+292#19122#18830
20K → Half2928+1#18830#18829
Half → 25K24925+224#18829#18605
25K → 30K33644+292#18605#18313
30K → 20M21116+195#18313#18118
20M → 21M2634+259#18118#17859
21M → 35K8317+66#17859#17793
35K → 23M16128+133#17793#17660
23M → 24M1706+164#17660#17496
24M → 40K1862+184#17496#17312
40K → 25.2M680+68#17312#17244
25.2M → Finish15518+137#17244#17107
TOTALS2998595+2403
📊

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