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BOSTON MARATHON 2023

Zach Peterson

Bib: 26577•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
26:34
Rank: #17903
Start → 5K
26:34 | 8:33/mi
10K· 6.21 mi
51:25
Rank: #16321 (+1582)
5K → 10K
24:51 | 8:00/mi
15K· 9.32 mi
1:16:16
Rank: #15690 (+631)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:41:12
Rank: #15197 (+493)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:46:39
Rank: #15143 (+54)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:06:23
Rank: #14886 (+257)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:32:33
Rank: #14681 (+205)
25K → 30K
26:10 | 8:25/mi
20M
2:44:16
Rank: #14652 (+29)
30K → 20M
11:43 | 8:37/mi
21M
2:53:51
Rank: #14758 (-106)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
3:00:29
Rank: #14835 (-77)
21M → 35K
6:38 | 8:52/mi
23M
3:11:59
Rank: #14967 (-132)
35K → 23M
11:30 | 9:11/mi
24M
3:21:04
Rank: #15070 (-103)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:28:58
Rank: #15161 (-91)
24M → 40K
7:54 | 9:14/mi
25.2M
3:32:27
Rank: #15209 (-48)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:41:11
Rank: #15230 (-21)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:39
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:54:32
Pace8:44 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2926:348:3326:34
8:33
-
10K
6.21 mi12:14:2051:258:1624:51
8:00
-0:33
15K
9.32 mi12:39:111:16:168:1124:51
8:00
0:00
20K
12.43 mi13:04:071:41:128:0924:56
8:02
+0:02
Half
13.11 mi13:09:341:46:398:085:27
7:59
-0:03
25K
15.53 mi13:29:182:06:238:0819:44
8:08
+0:09
30K
18.64 mi13:55:282:32:338:1126:10
8:25
+0:17
20M
20.00 mi14:07:112:44:168:1311:43
8:37
+0:12
21M
21.00 mi14:16:462:53:518:179:35
9:35
+0:58
35K
21.75 mi14:23:243:00:298:186:38
8:52
-0:43
23M
23.00 mi14:34:543:11:598:2111:30
9:11
+0:19
24M
24.00 mi14:43:593:21:048:239:05
9:05
-0:06
40K
24.85 mi14:51:533:28:588:247:54
9:14
+0:09
25.2M
25.20 mi14:55:223:32:278:263:29
10:06
+0:52
Finish
26.22 mi15:04:063:41:118:278:44
8:34
-1:32

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

7:59 /mi

Average Pace

8:27 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:49

45% of race

Time at Steady Pace

1:19:49

36% of race

Time at Slower Pace

41:33

19% of race

Average Pace: 8:26 /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 mi11:49:2926:348:3326:34
8:33
#17903
10K
6.21 mi12:14:2051:258:1624:51
8:00
#16321
15K
9.32 mi12:39:111:16:168:1124:51
8:00
#15690
20K
12.43 mi13:04:071:41:128:0924:56
8:02
#15197
Half
13.11 mi13:09:341:46:398:085:27
7:59
#15143
25K
15.53 mi13:29:182:06:238:0819:44
8:08
#14886
30K
18.64 mi13:55:282:32:338:1126:10
8:25
#14681
20M
20.00 mi14:07:112:44:168:1311:43
8:37
#14652
21M
21.00 mi14:16:462:53:518:179:35
9:35
#14758
35K
21.75 mi14:23:243:00:298:186:38
8:52
#14835
23M
23.00 mi14:34:543:11:598:2111:30
9:11
#14967
24M
24.00 mi14:43:593:21:048:239:05
9:05
#15070
40K
24.85 mi14:51:533:28:588:247:54
9:14
#15161
25.2M
25.20 mi14:55:223:32:278:263:29
10:06
#15209
Finish
26.22 mi15:04:063:41:118:278:44
8:34
#15230
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17903113921139214363(Top 54%)10046(Top 66%)10046(Top 190%)
10K6.21 mi3.10 mi16321+158210830+56210830+56214792(Top 56%)10236(Top 67%)10236(Top 194%)
15K9.32 mi3.11 mi15690+63110579+25110579+25114363(Top 54%)10046(Top 66%)10046(Top 190%)
20K12.43 mi3.11 mi15197+49310371+20810371+20813645(Top 51%)9729(Top 64%)9729(Top 184%)
Half13.11 mi0.68 mi15143+5410352+1910352+1914238(Top 53%)10010(Top 66%)10010(Top 189%)
25K15.53 mi2.42 mi14886+25710228+12410228+12413784(Top 52%)9683(Top 64%)9683(Top 183%)
30K18.64 mi3.11 mi14681+20510122+10610122+10613824(Top 52%)9582(Top 63%)9582(Top 181%)
20M20.00 mi1.36 mi14652+2910083+3910083+3914386(Top 54%)9732(Top 64%)9732(Top 184%)
21M21.00 mi1.00 mi14758-10610096-1310096-1316327(Top 61%)10489(Top 69%)10489(Top 198%)
35K21.75 mi0.75 mi14835-7710110-1410110-1417246(Top 65%)10803(Top 71%)10803(Top 204%)
23M23.00 mi1.25 mi14967-13210135-2510135-2516955(Top 64%)10664(Top 70%)10664(Top 202%)
24M24.00 mi1.00 mi15070-10310156-2110156-2117578(Top 66%)10885(Top 72%)10885(Top 206%)
40K24.85 mi0.85 mi15161-9110169-1310169-1317244(Top 65%)10682(Top 70%)10682(Top 202%)
25.2M25.20 mi0.35 mi15209-4810179-1010179-1017719(Top 67%)10878(Top 72%)10878(Top 206%)
Finish26.22 mi1.02 mi15230-2110170+910170+915801(Top 59%)10085(Top 66%)10085(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14363

Males

10046

M18-39

10046

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14792

Males

10236

M18-39

10236

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14363

Males

10046

M18-39

10046

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13645

Males

9729

M18-39

9729

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14238

Males

10010

M18-39

10010

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13784

Males

9683

M18-39

9683

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13824

Males

9582

M18-39

9582

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14386

Males

9732

M18-39

9732

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16327

Males

10489

M18-39

10489

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17246

Males

10803

M18-39

10803

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16955

Males

10664

M18-39

10664

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17578

Males

10885

M18-39

10885

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17244

Males

10682

M18-39

10682

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17719

Males

10878

M18-39

10878

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15801

Males

10085

M18-39

10085

Passing Analysis

Category:
Athletes Passed
3800
Passed By
1127
Net Change
+2673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17903
5K → 10K161634+1582#17903#16321
10K → 15K66130+631#16321#15690
15K → 20K51421+493#15690#15197
20K → Half6814+54#15197#15143
Half → 25K28528+257#15143#14886
25K → 30K27267+205#14886#14681
30K → 20M10071+29#14681#14652
20M → 21M52158-106#14652#14758
21M → 35K31108-77#14758#14835
35K → 23M43175-132#14835#14967
23M → 24M38141-103#14967#15070
24M → 40K40131-91#15070#15161
40K → 25.2M2371-48#15161#15209
25.2M → Finish5778-21#15209#15230
TOTALS38001127+2673
📊

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