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BOSTON MARATHON 2023

Amira Karam

Bib: 19293•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 23%
Division (F45-49)
#0 / 1817
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:09
Rank: #14687
Start → 5K
25:09 | 8:06/mi
10K· 6.21 mi
49:50
Rank: #14526 (+161)
5K → 10K
24:41 | 7:57/mi
15K· 9.32 mi
1:14:32
Rank: #14341 (+185)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:39:28
Rank: #14141 (+200)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:44:53
Rank: #14128 (+13)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:04:31
Rank: #13983 (+145)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:30:47
Rank: #14016 (-33)
25K → 30K
26:16 | 8:27/mi
20M
2:42:24
Rank: #14005 (+11)
30K → 20M
11:37 | 8:33/mi
21M
2:51:22
Rank: #13918 (+87)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:57:25
Rank: #13859 (+59)
21M → 35K
6:03 | 8:05/mi
23M
3:08:14
Rank: #13843 (+16)
35K → 23M
10:49 | 8:38/mi
24M
3:16:42
Rank: #13849 (-6)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:23:57
Rank: #13810 (+39)
24M → 40K
7:15 | 8:28/mi
25.2M
3:27:10
Rank: #13818 (-8)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:35:37
Rank: #13810 (+8)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:50:44
Pace8:27 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0225:098:0625:09
8:06
-
10K
6.21 mi11:41:4349:508:0124:41
7:57
-0:09
15K
9.32 mi12:06:251:14:328:0024:42
7:57
0:00
20K
12.43 mi12:31:211:39:288:0024:56
8:02
+0:05
Half
13.11 mi12:36:461:44:538:005:25
7:56
-0:06
25K
15.53 mi12:56:242:04:318:0119:38
8:06
+0:10
30K
18.64 mi13:22:402:30:478:0526:16
8:27
+0:21
20M
20.00 mi13:34:172:42:248:0711:37
8:33
+0:06
21M
21.00 mi13:43:152:51:228:108:58
8:58
+0:25
35K
21.75 mi13:49:182:57:258:096:03
8:05
-0:53
23M
23.00 mi14:00:073:08:148:1110:49
8:38
+0:33
24M
24.00 mi14:08:353:16:428:128:28
8:28
-0:10
40K
24.85 mi14:15:503:23:578:127:15
8:28
0:00
25.2M
25.20 mi14:19:033:27:108:133:13
9:20
+0:52
Finish
26.22 mi14:27:303:35:378:148:27
8:18
-1:02

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

7:56 /mi

Average Pace

8:14 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:26

94% of race

Time at Steady Pace

12:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:17:0225:098:0625:09
8:06
#14687
10K
6.21 mi11:41:4349:508:0124:41
7:57
#14526
15K
9.32 mi12:06:251:14:328:0024:42
7:57
#14341
20K
12.43 mi12:31:211:39:288:0024:56
8:02
#14141
Half
13.11 mi12:36:461:44:538:005:25
7:56
#14128
25K
15.53 mi12:56:242:04:318:0119:38
8:06
#13983
30K
18.64 mi13:22:402:30:478:0526:16
8:27
#14016
20M
20.00 mi13:34:172:42:248:0711:37
8:33
#14005
21M
21.00 mi13:43:152:51:228:108:58
8:58
#13918
35K
21.75 mi13:49:182:57:258:096:03
8:05
#13859
23M
23.00 mi14:00:073:08:148:1110:49
8:38
#13843
24M
24.00 mi14:08:353:16:428:128:28
8:28
#13849
40K
24.85 mi14:15:503:23:578:127:15
8:28
#13810
25.2M
25.20 mi14:19:033:27:108:133:13
9:20
#13818
Finish
26.22 mi14:27:303:35:378:148:27
8:18
#13810
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi146874443444314011(Top 53%)4094(Top 36%)4094(Top 225%)
10K6.21 mi3.10 mi14526+1614357+864357+8614372(Top 54%)4282(Top 37%)4282(Top 236%)
15K9.32 mi3.11 mi14341+1854257+1004257+10014011(Top 53%)4094(Top 36%)4094(Top 225%)
20K12.43 mi3.11 mi14141+2004171+864171+8613669(Top 51%)3919(Top 34%)3919(Top 216%)
Half13.11 mi0.68 mi14128+134157+144157+1413947(Top 52%)4056(Top 36%)4056(Top 223%)
25K15.53 mi2.42 mi13983+1454098+594098+5913508(Top 51%)3929(Top 34%)3929(Top 216%)
30K18.64 mi3.11 mi14016-334158-604158-6014022(Top 53%)4343(Top 38%)4343(Top 239%)
20M20.00 mi1.36 mi14005+114169-114169-1113936(Top 52%)4370(Top 38%)4370(Top 241%)
21M21.00 mi1.00 mi13918+874127+424127+4213233(Top 50%)4068(Top 36%)4068(Top 224%)
35K21.75 mi0.75 mi13859+594108+194108+1912746(Top 48%)3853(Top 34%)3853(Top 212%)
23M23.00 mi1.25 mi13843+164129-214129-2114032(Top 53%)4633(Top 41%)4633(Top 255%)
24M24.00 mi1.00 mi13849-64165-364165-3614340(Top 54%)4878(Top 43%)4878(Top 268%)
40K24.85 mi0.85 mi13810+394154+114154+1113143(Top 49%)4299(Top 38%)4299(Top 237%)
25.2M25.20 mi0.35 mi13818-84165-114165-1114360(Top 54%)4930(Top 43%)4930(Top 271%)
Finish26.22 mi1.02 mi13810+84177-124177-1214077(Top 53%)4781(Top 42%)4781(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14011

Females

4094

F45-49

4094

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14372

Females

4282

F45-49

4282

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14011

Females

4094

F45-49

4094

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13669

Females

3919

F45-49

3919

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13947

Females

4056

F45-49

4056

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13508

Females

3929

F45-49

3929

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14022

Females

4343

F45-49

4343

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13936

Females

4370

F45-49

4370

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13233

Females

4068

F45-49

4068

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12746

Females

3853

F45-49

3853

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14032

Females

4633

F45-49

4633

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14340

Females

4878

F45-49

4878

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13143

Females

4299

F45-49

4299

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14360

Females

4930

F45-49

4930

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14077

Females

4781

F45-49

4781

Passing Analysis

Category:
Athletes Passed
2030
Passed By
1153
Net Change
+877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14687
5K → 10K379218+161#14687#14526
10K → 15K28398+185#14526#14341
15K → 20K28383+200#14341#14141
20K → Half3320+13#14141#14128
Half → 25K20863+145#14128#13983
25K → 30K184217-33#13983#14016
30K → 20M9786+11#14016#14005
20M → 21M14053+87#14005#13918
21M → 35K7819+59#13918#13859
35K → 23M9276+16#13859#13843
23M → 24M6773-6#13843#13849
24M → 40K8546+39#13849#13810
40K → 25.2M2432-8#13810#13818
25.2M → Finish7769+8#13818#13810
TOTALS20301153+877
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing