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BOSTON MARATHON 2023

Karim Elmrabet

Bib: 15342•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M55-59)
#0 / 1422
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:19
Rank: #12590
Start → 5K
7:50/mi
24:19 split
10K· 6.21 mi
48:07
Rank: #12207 (+383)
5K → 10K
7:40/mi
23:48 split
15K· 9.32 mi
1:11:53
Rank: #11890 (+317)
10K → 15K
7:39/mi
23:46 split
20K· 12.43 mi
1:35:51
Rank: #11630 (+260)
15K → 20K
7:43/mi
23:58 split
Half· 13.11 mi
1:41:05
Rank: #11624 (+6)
20K → Half
7:40/mi
5:14 split
25K· 15.53 mi
1:59:40
Rank: #11326 (+298)
Half → 25K
7:40/mi
18:35 split
30K· 18.64 mi
2:24:17
Rank: #11080 (+246)
25K → 30K
7:55/mi
24:37 split
20M
2:35:18
Rank: #11058 (+22)
30K → 20M
8:06/mi
11:01 split
21M
2:44:17
Rank: #11194 (-136)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
2:50:18
Rank: #11234 (-40)
21M → 35K
8:03/mi
6:01 split
23M
3:00:40
Rank: #11245 (-11)
35K → 23M
8:17/mi
10:22 split
24M
3:08:48
Rank: #11294 (-49)
23M → 24M
8:08/mi
8:08 split
40K· 24.85 mi
3:15:51
Rank: #11294
24M → 40K
8:15/mi
7:03 split
25.2M
3:18:49
Rank: #11268 (+26)
40K → 25.2M
8:36/mi
2:58 split
Finish· 26.22 mi
3:26:50
Rank: #11235 (+33)
25.2M → Finish
7:52/mi
8:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3224:197:5024:19
7:50
-
10K
6.21 mi11:18:2048:077:4523:48
7:40
-0:10
15K
9.32 mi11:42:061:11:537:4323:46
7:39
-0:01
20K
12.43 mi12:06:041:35:517:4323:58
7:43
+0:04
Half
13.11 mi12:11:181:41:057:435:14
7:40
-0:03
25K
15.53 mi12:29:531:59:407:4218:35
7:40
0:00
30K
18.64 mi12:54:302:24:177:4424:37
7:55
+0:15
20M
20.00 mi13:05:312:35:187:4611:01
8:06
+0:11
21M
21.00 mi13:14:302:44:177:498:59
8:59
+0:53
35K
21.75 mi13:20:312:50:187:506:01
8:03
-0:56
23M
23.00 mi13:30:533:00:407:5110:22
8:17
+0:14
24M
24.00 mi13:39:013:08:487:528:08
8:08
-0:09
40K
24.85 mi13:46:043:15:517:537:03
8:15
+0:07
25.2M
25.20 mi13:49:023:18:497:532:58
8:36
+0:21
Finish
26.22 mi13:57:033:26:507:548:01
7:52
-0:44

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

7:39 /mi

Average Pace

7:54 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:53

94% of race

Time at Steady Pace

11:57

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 mi10:54:3224:197:5024:19
7:50
#12590
10K
6.21 mi11:18:2048:077:4523:48
7:40
#12207
15K
9.32 mi11:42:061:11:537:4323:46
7:39
#11890
20K
12.43 mi12:06:041:35:517:4323:58
7:43
#11630
Half
13.11 mi12:11:181:41:057:435:14
7:40
#11624
25K
15.53 mi12:29:531:59:407:4218:35
7:40
#11326
30K
18.64 mi12:54:302:24:177:4424:37
7:55
#11080
20M
20.00 mi13:05:312:35:187:4611:01
8:06
#11058
21M
21.00 mi13:14:302:44:177:498:59
8:59
#11194
35K
21.75 mi13:20:312:50:187:506:01
8:03
#11234
23M
23.00 mi13:30:533:00:407:5110:22
8:17
#11245
24M
24.00 mi13:39:013:08:487:528:08
8:08
#11294
40K
24.85 mi13:46:043:15:517:537:03
8:15
#11294
25.2M
25.20 mi13:49:023:18:497:532:58
8:36
#11268
Finish
26.22 mi13:57:033:26:507:548:01
7:52
#11235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi125909358935811401(Top 43%)8816(Top 58%)8816(Top 620%)
10K6.21 mi3.10 mi12207+3839211+1479211+14711871(Top 45%)9060(Top 60%)9060(Top 637%)
15K9.32 mi3.11 mi11890+3179045+1669045+16611401(Top 43%)8816(Top 58%)8816(Top 620%)
20K12.43 mi3.11 mi11630+2608916+1298916+12911027(Top 41%)8592(Top 57%)8592(Top 604%)
Half13.11 mi0.68 mi11624+68910+68910+611569(Top 43%)8882(Top 59%)8882(Top 625%)
25K15.53 mi2.42 mi11326+2988760+1508760+15010030(Top 38%)8004(Top 53%)8004(Top 563%)
30K18.64 mi3.11 mi11080+2468614+1468614+14610316(Top 39%)7994(Top 53%)7994(Top 562%)
20M20.00 mi1.36 mi11058+228574+408574+4011057(Top 42%)8278(Top 55%)8278(Top 582%)
21M21.00 mi1.00 mi11194-1368619-458619-4513279(Top 50%)9160(Top 60%)9160(Top 644%)
35K21.75 mi0.75 mi11234-408626-78626-712385(Top 47%)8719(Top 57%)8719(Top 613%)
23M23.00 mi1.25 mi11245-118603+238603+2311719(Top 44%)8337(Top 55%)8337(Top 586%)
24M24.00 mi1.00 mi11294-498603860312123(Top 46%)8449(Top 56%)8449(Top 594%)
40K24.85 mi0.85 mi112948576+278576+2711637(Top 44%)8139(Top 54%)8139(Top 572%)
25.2M25.20 mi0.35 mi11268+268549+278549+2710131(Top 38%)7365(Top 49%)7365(Top 518%)
Finish26.22 mi1.02 mi11235+338511+388511+3811133(Top 42%)7857(Top 52%)7857(Top 553%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11401

Males

8816

M55-59

8816

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11871

Males

9060

M55-59

9060

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11401

Males

8816

M55-59

8816

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11027

Males

8592

M55-59

8592

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11569

Males

8882

M55-59

8882

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10030

Males

8004

M55-59

8004

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10316

Males

7994

M55-59

7994

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11057

Males

8278

M55-59

8278

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13279

Males

9160

M55-59

9160

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12385

Males

8719

M55-59

8719

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11719

Males

8337

M55-59

8337

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12123

Males

8449

M55-59

8449

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11637

Males

8139

M55-59

8139

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10131

Males

7365

M55-59

7365

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11133

Males

7857

M55-59

7857

Passing Analysis

Category:
Athletes Passed
2429*
Passed By
1074
Net Change
+1355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12590
5K → 10K543160+383#12590#12207
10K → 15K39477+317#12207#11890
15K → 20K31959+260#11890#11630
20K → Half3125+6#11630#11624
Half → 25K31214+298#11624#11326
25K → 30K31569+246#11326#11080
30K → 20M101*79+22#11080#11058
20M → 21M47183-136#11058#11194
21M → 35K3474-40#11194#11234
35K → 23M8798-11#11234#11245
23M → 24M4998-49#11245#11294
24M → 40K65650#11294#11294
40K → 25.2M4519+26#11294#11268
25.2M → Finish8754+33#11268#11235
TOTALS2429*1074+1355

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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