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BOSTON MARATHON 2023

Dan Rech

Bib: 12591•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M45-49)
#0 / 2252
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:40
Rank: #10679
Start → 5K
23:40 | 7:37/mi
10K· 6.21 mi
46:52
Rank: #10405 (+274)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:10:10
Rank: #10304 (+101)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:25
Rank: #9980 (+324)
15K → 20K
23:15 | 7:29/mi
Half· 13.11 mi
1:38:28
Rank: #9942 (+38)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:56:40
Rank: #9734 (+208)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:20:20
Rank: #9379 (+355)
25K → 30K
23:40 | 7:37/mi
20M
2:30:48
Rank: #9270 (+109)
30K → 20M
10:28 | 7:42/mi
21M
2:38:51
Rank: #9133 (+137)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:44:26
Rank: #9086 (+47)
21M → 35K
5:35 | 7:28/mi
23M
2:53:59
Rank: #8957 (+129)
35K → 23M
9:33 | 7:38/mi
24M
3:01:30
Rank: #8870 (+87)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:08:06
Rank: #8845 (+25)
24M → 40K
6:36 | 7:43/mi
25.2M
3:10:52
Rank: #8776 (+69)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:18:15
Rank: #8671 (+105)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:39:47
Pace7:37 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3223:407:3723:40
7:37
-
10K
6.21 mi11:14:4446:527:3323:12
7:28
-0:09
15K
9.32 mi11:38:021:10:107:3223:18
7:30
+0:02
20K
12.43 mi12:01:171:33:257:3123:15
7:29
-0:01
Half
13.11 mi12:06:201:38:287:315:03
7:24
-0:05
25K
15.53 mi12:24:321:56:407:3118:12
7:30
+0:06
30K
18.64 mi12:48:122:20:207:3223:40
7:37
+0:07
20M
20.00 mi12:58:402:30:487:3210:28
7:42
+0:05
21M
21.00 mi13:06:432:38:517:348:03
8:03
+0:21
35K
21.75 mi13:12:182:44:267:345:35
7:28
-0:35
23M
23.00 mi13:21:512:53:597:349:33
7:38
+0:10
24M
24.00 mi13:29:223:01:307:347:31
7:31
-0:07
40K
24.85 mi13:35:583:08:067:346:36
7:43
+0:12
25.2M
25.20 mi13:38:443:10:527:342:46
8:01
+0:18
Finish
26.22 mi13:46:073:18:157:347:23
7:15
-0:46

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

7:15 /mi

Average Pace

7:34 /mi

Slowest Pace

8:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:26

95% of race

Time at Steady Pace

10:49

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:51:3223:407:3723:40
7:37
#10679
10K
6.21 mi11:14:4446:527:3323:12
7:28
#10405
15K
9.32 mi11:38:021:10:107:3223:18
7:30
#10304
20K
12.43 mi12:01:171:33:257:3123:15
7:29
#9980
Half
13.11 mi12:06:201:38:287:315:03
7:24
#9942
25K
15.53 mi12:24:321:56:407:3118:12
7:30
#9734
30K
18.64 mi12:48:122:20:207:3223:40
7:37
#9379
20M
20.00 mi12:58:402:30:487:3210:28
7:42
#9270
21M
21.00 mi13:06:432:38:517:348:03
8:03
#9133
35K
21.75 mi13:12:182:44:267:345:35
7:28
#9086
23M
23.00 mi13:21:512:53:597:349:33
7:38
#8957
24M
24.00 mi13:29:223:01:307:347:31
7:31
#8870
40K
24.85 mi13:35:583:08:067:346:36
7:43
#8845
25.2M
25.20 mi13:38:443:10:527:342:46
8:01
#8776
Finish
26.22 mi13:46:073:18:157:347:23
7:15
#8671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi106798491849110153(Top 38%)8222(Top 54%)8222(Top 365%)
10K6.21 mi3.10 mi10405+2748360+1318360+13110190(Top 38%)8267(Top 54%)8267(Top 367%)
15K9.32 mi3.11 mi10304+1018331+298331+2910153(Top 38%)8222(Top 54%)8222(Top 365%)
20K12.43 mi3.11 mi9980+3248139+1928139+1929170(Top 34%)7599(Top 50%)7599(Top 337%)
Half13.11 mi0.68 mi9942+388114+258114+259378(Top 35%)7728(Top 51%)7728(Top 343%)
25K15.53 mi2.42 mi9734+2087985+1297985+1298826(Top 33%)7327(Top 48%)7327(Top 325%)
30K18.64 mi3.11 mi9379+3557724+2617724+2618061(Top 30%)6721(Top 44%)6721(Top 298%)
20M20.00 mi1.36 mi9270+1097637+877637+878196(Top 31%)6719(Top 44%)6719(Top 298%)
21M21.00 mi1.00 mi9133+1377530+1077530+1077659(Top 29%)6285(Top 41%)6285(Top 279%)
35K21.75 mi0.75 mi9086+477494+367494+368242(Top 31%)6643(Top 44%)6643(Top 295%)
23M23.00 mi1.25 mi8957+1297395+997395+997260(Top 27%)5987(Top 39%)5987(Top 266%)
24M24.00 mi1.00 mi8870+877310+857310+857805(Top 29%)6200(Top 41%)6200(Top 275%)
40K24.85 mi0.85 mi8845+257275+357275+358084(Top 30%)6303(Top 42%)6303(Top 280%)
25.2M25.20 mi0.35 mi8776+697225+507225+506633(Top 25%)5359(Top 35%)5359(Top 238%)
Finish26.22 mi1.02 mi8671+1057145+807145+806731(Top 25%)5404(Top 36%)5404(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10153

Males

8222

M45-49

8222

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10190

Males

8267

M45-49

8267

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10153

Males

8222

M45-49

8222

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9170

Males

7599

M45-49

7599

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9378

Males

7728

M45-49

7728

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8826

Males

7327

M45-49

7327

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8061

Males

6721

M45-49

6721

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8196

Males

6719

M45-49

6719

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7659

Males

6285

M45-49

6285

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8242

Males

6643

M45-49

6643

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7260

Males

5987

M45-49

5987

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7805

Males

6200

M45-49

6200

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8084

Males

6303

M45-49

6303

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6633

Males

5359

M45-49

5359

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6731

Males

5404

M45-49

5404

Passing Analysis

Category:
Athletes Passed
2581*
Passed By
573
Net Change
+2008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10679
5K → 10K453*179+274#10679#10405
10K → 15K237136+101#10405#10304
15K → 20K361*37+324#10304#9980
20K → Half457+38#9980#9942
Half → 25K229*21+208#9942#9734
25K → 30K383*28+355#9734#9379
30K → 20M13324+109#9379#9270
20M → 21M15518+137#9270#9133
21M → 35K7023+47#9133#9086
35K → 23M14617+129#9086#8957
23M → 24M11124+87#8957#8870
24M → 40K6641+25#8870#8845
40K → 25.2M723+69#8845#8776
25.2M → Finish12015+105#8776#8671
TOTALS2581*573+2008

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

📊

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