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BOSTON MARATHON 2023

Alexander Memmer

Bib: 5541•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 34%
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
21:30
Rank: #5728
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:51
Rank: #5789 (-61)
5K → 10K
21:21 | 6:52/mi
15K· 9.32 mi
1:04:23
Rank: #5899 (-110)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:26:06
Rank: #5896 (+3)
15K → 20K
21:43 | 6:59/mi
Half· 13.11 mi
1:30:39
Rank: #5811 (+85)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:47:31
Rank: #5713 (+98)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:10:05
Rank: #5679 (+34)
25K → 30K
22:34 | 7:16/mi
20M
2:20:03
Rank: #5660 (+19)
30K → 20M
9:58 | 7:20/mi
21M
2:28:00
Rank: #5692 (-32)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:33:17
Rank: #5680 (+12)
21M → 35K
5:17 | 7:04/mi
23M
2:42:45
Rank: #5666 (+14)
35K → 23M
9:28 | 7:34/mi
24M
2:50:16
Rank: #5707 (-41)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:56:50
Rank: #5728 (-21)
24M → 40K
6:34 | 7:41/mi
25.2M
2:59:48
Rank: #5758 (-30)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:07:16
Rank: #5766 (-8)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:39
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0021:306:5521:30
6:55
-
10K
6.21 mi10:45:2142:516:5421:21
6:52
-0:03
15K
9.32 mi11:06:531:04:236:5421:32
6:56
+0:04
20K
12.43 mi11:28:361:26:066:5621:43
6:59
+0:03
Half
13.11 mi11:33:091:30:396:554:33
6:40
-0:19
25K
15.53 mi11:50:011:47:316:5516:52
6:57
+0:17
30K
18.64 mi12:12:352:10:056:5922:34
7:16
+0:19
20M
20.00 mi12:22:332:20:037:009:58
7:20
+0:04
21M
21.00 mi12:30:302:28:007:037:57
7:57
+0:37
35K
21.75 mi12:35:472:33:177:035:17
7:04
-0:53
23M
23.00 mi12:45:152:42:457:059:28
7:34
+0:30
24M
24.00 mi12:52:462:50:167:067:31
7:31
-0:03
40K
24.85 mi12:59:202:56:507:076:34
7:41
+0:10
25.2M
25.20 mi13:02:182:59:487:082:58
8:36
+0:55
Finish
26.22 mi13:09:463:07:167:097:28
7:20
-1:16

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

6:40 /mi

Average Pace

7:09 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:31

57% of race

Time at Steady Pace

45:17

24% of race

Time at Slower Pace

34:28

18% of race

Average Pace: 7:09 /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 mi10:24:0021:306:5521:30
6:55
#5728
10K
6.21 mi10:45:2142:516:5421:21
6:52
#5789
15K
9.32 mi11:06:531:04:236:5421:32
6:56
#5899
20K
12.43 mi11:28:361:26:066:5621:43
6:59
#5896
Half
13.11 mi11:33:091:30:396:554:33
6:40
#5811
25K
15.53 mi11:50:011:47:316:5516:52
6:57
#5713
30K
18.64 mi12:12:352:10:056:5922:34
7:16
#5679
20M
20.00 mi12:22:332:20:037:009:58
7:20
#5660
21M
21.00 mi12:30:302:28:007:037:57
7:57
#5692
35K
21.75 mi12:35:472:33:177:035:17
7:04
#5680
23M
23.00 mi12:45:152:42:457:059:28
7:34
#5666
24M
24.00 mi12:52:462:50:167:067:31
7:31
#5707
40K
24.85 mi12:59:202:56:507:076:34
7:41
#5728
25.2M
25.20 mi13:02:182:59:487:082:58
8:36
#5758
Finish
26.22 mi13:09:463:07:167:097:28
7:20
#5766
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5728526452646141(Top 23%)5568(Top 37%)5568(Top 105%)
10K6.21 mi3.10 mi5789-615314-505314-505926(Top 22%)5406(Top 36%)5406(Top 102%)
15K9.32 mi3.11 mi5899-1105399-855399-856141(Top 23%)5568(Top 37%)5568(Top 105%)
20K12.43 mi3.11 mi5896+35393+65393+65915(Top 22%)5406(Top 36%)5406(Top 102%)
Half13.11 mi0.68 mi5811+855333+605333+604110(Top 15%)3862(Top 25%)3862(Top 73%)
25K15.53 mi2.42 mi5713+985253+805253+805332(Top 20%)4914(Top 32%)4914(Top 93%)
30K18.64 mi3.11 mi5679+345213+405213+405835(Top 22%)5249(Top 35%)5249(Top 99%)
20M20.00 mi1.36 mi5660+195190+235190+235821(Top 22%)5159(Top 34%)5159(Top 98%)
21M21.00 mi1.00 mi5692-325212-225212-227007(Top 26%)5863(Top 39%)5863(Top 111%)
35K21.75 mi0.75 mi5680+125196+165196+165674(Top 21%)5005(Top 33%)5005(Top 95%)
23M23.00 mi1.25 mi5666+145167+295167+296774(Top 25%)5672(Top 37%)5672(Top 107%)
24M24.00 mi1.00 mi5707-415186-195186-197772(Top 29%)6167(Top 41%)6167(Top 117%)
40K24.85 mi0.85 mi5728-215188-25188-27790(Top 29%)6104(Top 40%)6104(Top 115%)
25.2M25.20 mi0.35 mi5758-305205-175205-1710064(Top 38%)7298(Top 48%)7298(Top 138%)
Finish26.22 mi1.02 mi5766-85203+25203+27269(Top 27%)5724(Top 38%)5724(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6141

Males

5568

M18-39

5568

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5926

Males

5406

M18-39

5406

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6141

Males

5568

M18-39

5568

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5915

Males

5406

M18-39

5406

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4110

Males

3862

M18-39

3862

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5332

Males

4914

M18-39

4914

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5835

Males

5249

M18-39

5249

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5821

Males

5159

M18-39

5159

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7007

Males

5863

M18-39

5863

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5674

Males

5005

M18-39

5005

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6774

Males

5672

M18-39

5672

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7772

Males

6167

M18-39

6167

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7790

Males

6104

M18-39

6104

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10064

Males

7298

M18-39

7298

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7269

Males

5724

M18-39

5724

Passing Analysis

Category:
Athletes Passed
1057
Passed By
1095
Net Change
-38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5728
5K → 10K166227-61#5728#5789
10K → 15K78188-110#5789#5899
15K → 20K10198+3#5899#5896
20K → Half861+85#5896#5811
Half → 25K13032+98#5811#5713
25K → 30K13096+34#5713#5679
30K → 20M6748+19#5679#5660
20M → 21M4577-32#5660#5692
21M → 35K3624+12#5692#5680
35K → 23M7965+14#5680#5666
23M → 24M3677-41#5666#5707
24M → 40K3758-21#5707#5728
40K → 25.2M1545-30#5728#5758
25.2M → Finish5159-8#5758#5766
TOTALS10571095-38
📊

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