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BOSTON MARATHON 2023

Zach Martin

Bib: 6743•M

VT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
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
21:17
Rank: #5158
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:03
Rank: #4674 (+484)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:03:13
Rank: #4830 (-156)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:24:32
Rank: #4872 (-42)
15K → 20K
21:19 | 6:52/mi
Half· 13.11 mi
1:29:03
Rank: #4798 (+74)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:46:10
Rank: #5044 (-246)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:09:18
Rank: #5455 (-411)
25K → 30K
23:08 | 7:27/mi
20M
2:19:44
Rank: #5578 (-123)
30K → 20M
10:26 | 7:41/mi
21M
2:28:00
Rank: #5694 (-116)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:33:33
Rank: #5745 (-51)
21M → 35K
5:33 | 7:25/mi
23M
2:44:08
Rank: #6028 (-283)
35K → 23M
10:35 | 8:27/mi
24M
2:52:30
Rank: #6241 (-213)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
2:59:43
Rank: #6417 (-176)
24M → 40K
7:13 | 8:26/mi
25.2M
3:02:55
Rank: #6496 (-79)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:11:23
Rank: #6729 (-233)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:03
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:42:20
Pace7:48 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1021:176:5121:17
6:51
-
10K
6.21 mi10:45:5642:036:4620:46
6:41
-0:10
15K
9.32 mi11:07:061:03:136:4721:10
6:49
+0:08
20K
12.43 mi11:28:251:24:326:4821:19
6:52
+0:03
Half
13.11 mi11:32:561:29:036:484:31
6:37
-0:15
25K
15.53 mi11:50:031:46:106:5017:07
7:04
+0:27
30K
18.64 mi12:13:112:09:186:5623:08
7:27
+0:23
20M
20.00 mi12:23:372:19:446:5910:26
7:41
+0:14
21M
21.00 mi12:31:532:28:007:038:16
8:16
+0:35
35K
21.75 mi12:37:262:33:337:045:33
7:25
-0:51
23M
23.00 mi12:48:012:44:087:0810:35
8:27
+1:02
24M
24.00 mi12:56:232:52:307:118:22
8:22
-0:05
40K
24.85 mi13:03:362:59:437:147:13
8:26
+0:04
25.2M
25.20 mi13:06:483:02:557:163:12
9:17
+0:51
Finish
26.22 mi13:15:163:11:237:188:28
8:19
-0:58

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

6:37 /mi

Average Pace

7:18 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:03

47% of race

Time at Steady Pace

56:14

29% of race

Time at Slower Pace

46:06

24% of race

Average Pace: 7:18 /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 mi10:25:1021:176:5121:17
6:51
#5158
10K
6.21 mi10:45:5642:036:4620:46
6:41
#4674
15K
9.32 mi11:07:061:03:136:4721:10
6:49
#4830
20K
12.43 mi11:28:251:24:326:4821:19
6:52
#4872
Half
13.11 mi11:32:561:29:036:484:31
6:37
#4798
25K
15.53 mi11:50:031:46:106:5017:07
7:04
#5044
30K
18.64 mi12:13:112:09:186:5623:08
7:27
#5455
20M
20.00 mi12:23:372:19:446:5910:26
7:41
#5578
21M
21.00 mi12:31:532:28:007:038:16
8:16
#5694
35K
21.75 mi12:37:262:33:337:045:33
7:25
#5745
23M
23.00 mi12:48:012:44:087:0810:35
8:27
#6028
24M
24.00 mi12:56:232:52:307:118:22
8:22
#6241
40K
24.85 mi13:03:362:59:437:147:13
8:26
#6417
25.2M
25.20 mi13:06:483:02:557:163:12
9:17
#6496
Finish
26.22 mi13:15:163:11:237:188:28
8:19
#6729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5158478347835258(Top 20%)4862(Top 32%)4862(Top 92%)
10K6.21 mi3.10 mi4674+4844359+4244359+4244206(Top 16%)3944(Top 26%)3944(Top 75%)
15K9.32 mi3.11 mi4830-1564493-1344493-1345258(Top 20%)4862(Top 32%)4862(Top 92%)
20K12.43 mi3.11 mi4872-424537-444537-445025(Top 19%)4658(Top 31%)4658(Top 88%)
Half13.11 mi0.68 mi4798+744471+664471+663665(Top 14%)3473(Top 23%)3473(Top 66%)
25K15.53 mi2.42 mi5044-2464683-2124683-2125900(Top 22%)5372(Top 35%)5372(Top 102%)
30K18.64 mi3.11 mi5455-4115031-3485031-3486856(Top 26%)5966(Top 39%)5966(Top 113%)
20M20.00 mi1.36 mi5578-1235123-925123-927991(Top 30%)6581(Top 43%)6581(Top 125%)
21M21.00 mi1.00 mi5694-1165214-915214-918969(Top 34%)7038(Top 46%)7038(Top 133%)
35K21.75 mi0.75 mi5745-515247-335247-337878(Top 30%)6413(Top 42%)6413(Top 121%)
23M23.00 mi1.25 mi6028-2835438-1915438-19112900(Top 48%)8862(Top 58%)8862(Top 168%)
24M24.00 mi1.00 mi6241-2135596-1585596-15813593(Top 51%)9117(Top 60%)9117(Top 173%)
40K24.85 mi0.85 mi6417-1765713-1175713-11712919(Top 49%)8725(Top 57%)8725(Top 165%)
25.2M25.20 mi0.35 mi6496-795755-425755-4213967(Top 52%)9185(Top 61%)9185(Top 174%)
Finish26.22 mi1.02 mi6729-2335905-1505905-15014120(Top 53%)9286(Top 61%)9286(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5258

Males

4862

M18-39

4862

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4206

Males

3944

M18-39

3944

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5258

Males

4862

M18-39

4862

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5025

Males

4658

M18-39

4658

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3665

Males

3473

M18-39

3473

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5900

Males

5372

M18-39

5372

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6856

Males

5966

M18-39

5966

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7991

Males

6581

M18-39

6581

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8969

Males

7038

M18-39

7038

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7878

Males

6413

M18-39

6413

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12900

Males

8862

M18-39

8862

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13593

Males

9117

M18-39

9117

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12919

Males

8725

M18-39

8725

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13967

Males

9185

M18-39

9185

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14120

Males

9286

M18-39

9286

Passing Analysis

Category:
Athletes Passed
986
Passed By
2557
Net Change
-1571
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5158
5K → 10K52945+484#5158#4674
10K → 15K64220-156#4674#4830
15K → 20K86128-42#4830#4872
20K → Half762+74#4872#4798
Half → 25K47293-246#4798#5044
25K → 30K47458-411#5044#5455
30K → 20M28151-123#5455#5578
20M → 21M20136-116#5578#5694
21M → 35K2071-51#5694#5745
35K → 23M17300-283#5745#6028
23M → 24M20233-213#6028#6241
24M → 40K14190-176#6241#6417
40K → 25.2M988-79#6417#6496
25.2M → Finish9242-233#6496#6729
TOTALS9862557-1571
📊

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