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BOSTON MARATHON 2023

Mark Messmer

Bib: 62•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 0.1%
Gender (Male)
#0 / 15176
Top 0.2%
Division (M18-39)
#0 / 5285
Top 0.6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:11
Rank: #39
Start → 5K
16:11 | 5:13/mi
10K· 6.21 mi
32:26
Rank: #40 (-1)
5K → 10K
16:15 | 5:14/mi
15K· 9.32 mi
48:40
Rank: #39 (+1)
10K → 15K
16:14 | 5:14/mi
20K· 12.43 mi
1:05:01
Rank: #36 (+3)
15K → 20K
16:21 | 5:16/mi
Half· 13.11 mi
1:08:36
Rank: #36
20K → Half
3:35 | 5:15/mi
25K· 15.53 mi
1:21:42
Rank: #36
Half → 25K
13:06 | 5:24/mi
30K· 18.64 mi
1:38:32
Rank: #35 (+1)
25K → 30K
16:50 | 5:25/mi
20M
1:45:52
Rank: #35
30K → 20M
7:20 | 5:24/mi
21M
1:51:39
Rank: #34 (+1)
20M → 21M
5:47 | 5:47/mi
35K· 21.75 mi
1:55:39
Rank: #33 (+1)
21M → 35K
4:00 | 5:21/mi
23M
2:02:36
Rank: #33
35K → 23M
6:57 | 5:33/mi
24M
2:08:02
Rank: #33
23M → 24M
5:26 | 5:26/mi
40K· 24.85 mi
2:12:49
Rank: #31 (+2)
24M → 40K
4:47 | 5:36/mi
25.2M
2:14:54
Rank: #31
40K → 25.2M
2:05 | 6:02/mi
Finish· 26.22 mi
2:20:30
Rank: #31
25.2M → Finish
5:36 | 5:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:08:36
Pace5:14 /mi
2nd Half
Distance13.11 mi
Time1:11:54
Pace5:29 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi09:53:1216:115:1316:11
5:13
-
10K
6.21 mi10:09:2732:265:1316:15
5:14
+0:01
15K
9.32 mi10:25:4148:405:1316:14
5:14
0:00
20K
12.43 mi10:42:021:05:015:1416:21
5:16
+0:02
Half
13.11 mi10:45:371:08:365:143:35
5:15
-0:01
25K
15.53 mi10:58:431:21:425:1613:06
5:24
+0:09
30K
18.64 mi11:15:331:38:325:1716:50
5:25
+0:01
20M
20.00 mi11:22:531:45:525:187:20
5:24
-0:01
21M
21.00 mi11:28:401:51:395:195:47
5:47
+0:23
35K
21.75 mi11:32:401:55:395:194:00
5:21
-0:26
23M
23.00 mi11:39:372:02:365:206:57
5:33
+0:12
24M
24.00 mi11:45:032:08:025:205:26
5:26
-0:07
40K
24.85 mi11:49:502:12:495:214:47
5:36
+0:10
25.2M
25.20 mi11:51:552:14:545:212:05
6:02
+0:26
Finish
26.22 mi11:57:312:20:305:225:36
5:30
-0:32

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

5:13 /mi

Average Pace

5:22 /mi

Slowest Pace

6:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:38

94% of race

Time at Steady Pace

7:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:22 /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 mi09:53:1216:115:1316:11
5:13
#39
10K
6.21 mi10:09:2732:265:1316:15
5:14
#40
15K
9.32 mi10:25:4148:405:1316:14
5:14
#39
20K
12.43 mi10:42:021:05:015:1416:21
5:16
#36
Half
13.11 mi10:45:371:08:365:143:35
5:15
#36
25K
15.53 mi10:58:431:21:425:1613:06
5:24
#36
30K
18.64 mi11:15:331:38:325:1716:50
5:25
#35
20M
20.00 mi11:22:531:45:525:187:20
5:24
#35
21M
21.00 mi11:28:401:51:395:195:47
5:47
#34
35K
21.75 mi11:32:401:55:395:194:00
5:21
#33
23M
23.00 mi11:39:372:02:365:206:57
5:33
#33
24M
24.00 mi11:45:032:08:025:205:26
5:26
#33
40K
24.85 mi11:49:502:12:495:214:47
5:36
#31
25.2M
25.20 mi11:51:552:14:545:212:05
6:02
#31
Finish
26.22 mi11:57:312:20:305:225:36
5:30
#31
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi39393945(Top 0.2%)35(Top 0.2%)35(Top 0.7%)
10K6.21 mi3.10 mi40-140-140-140(Top 0.2%)40(Top 0.3%)40(Top 0.8%)
15K9.32 mi3.11 mi39+139+139+145(Top 0.2%)35(Top 0.2%)35(Top 0.7%)
20K12.43 mi3.11 mi36+336+336+334(Top 0.1%)34(Top 0.2%)34(Top 0.6%)
Half13.11 mi0.68 mi36363635(Top 0.1%)35(Top 0.2%)35(Top 0.7%)
25K15.53 mi2.42 mi36363644(Top 0.2%)44(Top 0.3%)44(Top 0.8%)
30K18.64 mi3.11 mi35+135+135+128(Top 0.1%)28(Top 0.2%)28(Top 0.5%)
20M20.00 mi1.36 mi35353525(Top 0.09%)25(Top 0.2%)25(Top 0.5%)
21M21.00 mi1.00 mi34+134+134+148(Top 0.2%)39(Top 0.3%)39(Top 0.7%)
35K21.75 mi0.75 mi33+133+133+155(Top 0.2%)41(Top 0.3%)41(Top 0.8%)
23M23.00 mi1.25 mi33333353(Top 0.2%)41(Top 0.3%)41(Top 0.8%)
24M24.00 mi1.00 mi33333358(Top 0.2%)43(Top 0.3%)43(Top 0.8%)
40K24.85 mi0.85 mi31+231+231+261(Top 0.2%)51(Top 0.3%)51(Top 1.0%)
25.2M25.20 mi0.35 mi31313183(Top 0.3%)73(Top 0.5%)73(Top 1%)
Finish26.22 mi1.02 mi31313193(Top 0.3%)82(Top 0.5%)82(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.2%
×21stories
+97ft-345ft

Overall

45

Males

35

M18-39

35

5K→10K

3.1 - 6.2 mi

Top 0.2%
×5stories
+79ft-138ft

Overall

40

Males

40

M18-39

40

10K→15K

6.2 - 9.3 mi

Top 0.2%
×3stories
+67ft-78ft

Overall

45

Males

35

M18-39

35

15K→20K

9.3 - 12.4 mi

Top 0.1%
×5stories
+106ft-86ft

Overall

34

Males

34

M18-39

34

20K→Half

12.4 - 13.1 mi

Top 0.1%
×2stories
+19ft-37ft

Overall

35

Males

35

M18-39

35

Half→25K

13.1 - 15.5 mi

Top 0.2%
×4stories
+66ft-88ft

Overall

44

Males

44

M18-39

44

25K→30K

15.5 - 18.6 mi

Top 0.1%
×9stories
+181ft-148ft

Overall

28

Males

28

M18-39

28

30K→20M

18.6 - 20.0 mi

Top 0.09%
×5stories
+64ft-50ft

Overall

25

Males

25

M18-39

25

20M→21M

20.0 - 21.0 mi

Top 0.2%
×8stories
+106ft-24ft

Overall

48

Males

39

M18-39

39

21M→35K

21.0 - 21.8 mi

Top 0.2%
×7stories
+17ft-86ft

Overall

55

Males

41

M18-39

41

35K→23M

21.8 - 23.0 mi

Top 0.2%
×5stories
+23ft-63ft

Overall

53

Males

41

M18-39

41

23M→24M

23.0 - 24.0 mi

Top 0.2%
×6stories
+12ft-82ft

Overall

58

Males

43

M18-39

43

24M→40K

24.0 - 24.9 mi

Top 0.2%
×1story
+6ft-20ft

Overall

61

Males

51

M18-39

51

40K→25.2M

24.9 - 25.2 mi

Top 0.3%
×1story
+13ft-16ft

Overall

83

Males

73

M18-39

73

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
×2stories
+22ft-21ft

Overall

93

Males

82

M18-39

82

Passing Analysis

Category:
Athletes Passed
12
Passed By
4
Net Change
+8
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#39
5K → 10K23-1#39#40
10K → 15K21+1#40#39
15K → 20K30+3#39#36
20K → Half000#36#36
Half → 25K000#36#36
25K → 30K10+1#36#35
30K → 20M000#35#35
20M → 21M10+1#35#34
21M → 35K10+1#34#33
35K → 23M000#33#33
23M → 24M000#33#33
24M → 40K20+2#33#31
40K → 25.2M000#31#31
25.2M → Finish000#31#31
TOTALS124+8
📊

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