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BOSTON MARATHON 2023

Alexander Eisen

Bib: 4691•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 46%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #8325
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
44:09
Rank: #7148 (+1177)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:06:00
Rank: #6988 (+160)
10K → 15K
21:51 | 7:02/mi
20K· 12.43 mi
1:28:21
Rank: #6994 (-6)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:33:22
Rank: #7070 (-76)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:51:36
Rank: #7276 (-206)
Half → 25K
18:14 | 7:31/mi
30K· 18.64 mi
2:15:47
Rank: #7515 (-239)
25K → 30K
24:11 | 7:47/mi
20M
2:26:45
Rank: #7717 (-202)
30K → 20M
10:58 | 8:04/mi
21M
2:35:14
Rank: #7804 (-87)
20M → 21M
8:29 | 8:29/mi
35K· 21.75 mi
2:41:05
Rank: #7903 (-99)
21M → 35K
5:51 | 7:49/mi
23M
2:51:27
Rank: #8112 (-209)
35K → 23M
10:22 | 8:17/mi
24M
2:59:25
Rank: #8206 (-94)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:06:32
Rank: #8349 (-143)
24M → 40K
7:07 | 8:19/mi
25.2M
3:09:28
Rank: #8353 (-4)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:17:27
Rank: #8444 (-91)
25.2M → Finish
7:59 | 7:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:22
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:44:05
Pace7:56 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2222:477:2022:47
7:20
-
10K
6.21 mi11:09:4444:097:0621:22
6:53
-0:27
15K
9.32 mi11:31:351:06:007:0521:51
7:02
+0:09
20K
12.43 mi11:53:561:28:217:0722:21
7:12
+0:10
Half
13.11 mi11:58:571:33:227:075:01
7:21
+0:09
25K
15.53 mi12:17:111:51:367:1118:14
7:31
+0:10
30K
18.64 mi12:41:222:15:477:1724:11
7:47
+0:16
20M
20.00 mi12:52:202:26:457:2010:58
8:04
+0:17
21M
21.00 mi13:00:492:35:147:248:29
8:29
+0:25
35K
21.75 mi13:06:402:41:057:245:51
7:49
-0:40
23M
23.00 mi13:17:022:51:277:2710:22
8:17
+0:28
24M
24.00 mi13:25:002:59:257:297:58
7:58
-0:19
40K
24.85 mi13:32:073:06:327:307:07
8:19
+0:21
25.2M
25.20 mi13:35:033:09:287:312:56
8:30
+0:11
Finish
26.22 mi13:43:023:17:277:327:59
7:50
-0:40

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

6:53 /mi

Average Pace

7:32 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:36

57% of race

Time at Steady Pace

56:57

29% of race

Time at Slower Pace

28:54

15% of race

Average Pace: 7:32 /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 mi10:48:2222:477:2022:47
7:20
#8325
10K
6.21 mi11:09:4444:097:0621:22
6:53
#7148
15K
9.32 mi11:31:351:06:007:0521:51
7:02
#6988
20K
12.43 mi11:53:561:28:217:0722:21
7:12
#6994
Half
13.11 mi11:58:571:33:227:075:01
7:21
#7070
25K
15.53 mi12:17:111:51:367:1118:14
7:31
#7276
30K
18.64 mi12:41:222:15:477:1724:11
7:47
#7515
20M
20.00 mi12:52:202:26:457:2010:58
8:04
#7717
21M
21.00 mi13:00:492:35:147:248:29
8:29
#7804
35K
21.75 mi13:06:402:41:057:245:51
7:49
#7903
23M
23.00 mi13:17:022:51:277:2710:22
8:17
#8112
24M
24.00 mi13:25:002:59:257:297:58
7:58
#8206
40K
24.85 mi13:32:073:06:327:307:07
8:19
#8349
25.2M
25.20 mi13:35:033:09:287:312:56
8:30
#8353
Finish
26.22 mi13:43:023:17:277:327:59
7:50
#8444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8325718371836769(Top 25%)6067(Top 40%)6067(Top 115%)
10K6.21 mi3.10 mi7148+11776373+8106373+8105972(Top 22%)5441(Top 36%)5441(Top 103%)
15K9.32 mi3.11 mi6988+1606240+1336240+1336769(Top 25%)6067(Top 40%)6067(Top 115%)
20K12.43 mi3.11 mi6994-66247-76247-77059(Top 27%)6257(Top 41%)6257(Top 118%)
Half13.11 mi0.68 mi7070-766298-516298-518976(Top 34%)7492(Top 49%)7492(Top 142%)
25K15.53 mi2.42 mi7276-2066434-1366434-1368905(Top 33%)7370(Top 49%)7370(Top 139%)
30K18.64 mi3.11 mi7515-2396564-1306564-1309218(Top 35%)7401(Top 49%)7401(Top 140%)
20M20.00 mi1.36 mi7717-2026680-1166680-11610763(Top 40%)8123(Top 54%)8123(Top 154%)
21M21.00 mi1.00 mi7804-876722-426722-4210353(Top 39%)7773(Top 51%)7773(Top 147%)
35K21.75 mi0.75 mi7903-996768-466768-4610747(Top 40%)7970(Top 53%)7970(Top 151%)
23M23.00 mi1.25 mi8112-2096877-1096877-10911703(Top 44%)8321(Top 55%)8321(Top 157%)
24M24.00 mi1.00 mi8206-946916-396916-3910963(Top 41%)7867(Top 52%)7867(Top 149%)
40K24.85 mi0.85 mi8349-1436986-706986-7012166(Top 46%)8376(Top 55%)8376(Top 158%)
25.2M25.20 mi0.35 mi8353-46975+116975+119478(Top 36%)7004(Top 46%)7004(Top 133%)
Finish26.22 mi1.02 mi8444-917015-407015-4010900(Top 41%)7737(Top 51%)7737(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6769

Males

6067

M18-39

6067

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5972

Males

5441

M18-39

5441

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6769

Males

6067

M18-39

6067

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7059

Males

6257

M18-39

6257

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8976

Males

7492

M18-39

7492

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8905

Males

7370

M18-39

7370

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9218

Males

7401

M18-39

7401

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10763

Males

8123

M18-39

8123

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10353

Males

7773

M18-39

7773

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10747

Males

7970

M18-39

7970

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11703

Males

8321

M18-39

8321

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10963

Males

7867

M18-39

7867

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12166

Males

8376

M18-39

8376

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9478

Males

7004

M18-39

7004

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10900

Males

7737

M18-39

7737

Passing Analysis

Category:
Athletes Passed
1868
Passed By
1987
Net Change
-119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8325
5K → 10K11825+1177#8325#7148
10K → 15K22767+160#7148#6988
15K → 20K97103-6#6988#6994
20K → Half379-76#6994#7070
Half → 25K34240-206#7070#7276
25K → 30K67306-239#7276#7515
30K → 20M25227-202#7515#7717
20M → 21M39126-87#7717#7804
21M → 35K19118-99#7804#7903
35K → 23M35244-209#7903#8112
23M → 24M42136-94#8112#8206
24M → 40K23166-143#8206#8349
40K → 25.2M3236-4#8349#8353
25.2M → Finish43134-91#8353#8444
TOTALS18681987-119
📊

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