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BOSTON MARATHON 2023

Dan Ziner

Bib: 7222•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
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
21:29
Rank: #5687
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
43:25
Rank: #6435 (-748)
5K → 10K
21:56 | 7:04/mi
15K· 9.32 mi
1:05:37
Rank: #6727 (-292)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:28:07
Rank: #6864 (-137)
15K → 20K
22:30 | 7:15/mi
Half· 13.11 mi
1:33:00
Rank: #6896 (-32)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:50:50
Rank: #6976 (-80)
Half → 25K
17:50 | 7:21/mi
30K· 18.64 mi
2:14:24
Rank: #7045 (-69)
25K → 30K
23:34 | 7:35/mi
20M
2:24:52
Rank: #7068 (-23)
30K → 20M
10:28 | 7:42/mi
21M
2:32:58
Rank: #7074 (-6)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:38:23
Rank: #7047 (+27)
21M → 35K
5:25 | 7:14/mi
23M
2:47:56
Rank: #7008 (+39)
35K → 23M
9:33 | 7:38/mi
24M
2:55:40
Rank: #7077 (-69)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:02:06
Rank: #7038 (+39)
24M → 40K
6:26 | 7:31/mi
25.2M
3:05:01
Rank: #7049 (-11)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:12:33
Rank: #7029 (+20)
25.2M → Finish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2621:296:5521:29
6:55
-
10K
6.21 mi10:48:2243:256:5921:56
7:04
+0:09
15K
9.32 mi11:10:341:05:377:0222:12
7:09
+0:05
20K
12.43 mi11:33:041:28:077:0522:30
7:15
+0:06
Half
13.11 mi11:37:571:33:007:064:53
7:09
-0:06
25K
15.53 mi11:55:471:50:507:0817:50
7:21
+0:12
30K
18.64 mi12:19:212:14:247:1323:34
7:35
+0:14
20M
20.00 mi12:29:492:24:527:1510:28
7:42
+0:07
21M
21.00 mi12:37:552:32:587:178:06
8:06
+0:24
35K
21.75 mi12:43:202:38:237:175:25
7:14
-0:52
23M
23.00 mi12:52:532:47:567:189:33
7:38
+0:24
24M
24.00 mi13:00:372:55:407:197:44
7:44
+0:06
40K
24.85 mi13:07:033:02:067:206:26
7:31
-0:13
25.2M
25.20 mi13:09:583:05:017:212:55
8:27
+0:56
Finish
26.22 mi13:17:303:12:337:217:32
7:24
-1:03

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

6:55 /mi

Average Pace

7:21 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:30

37% of race

Time at Steady Pace

1:23:17

43% of race

Time at Slower Pace

38:46

20% of race

Average Pace: 7:21 /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 mi10:26:2621:296:5521:29
6:55
#5687
10K
6.21 mi10:48:2243:256:5921:56
7:04
#6435
15K
9.32 mi11:10:341:05:377:0222:12
7:09
#6727
20K
12.43 mi11:33:041:28:077:0522:30
7:15
#6864
Half
13.11 mi11:37:571:33:007:064:53
7:09
#6896
25K
15.53 mi11:55:471:50:507:0817:50
7:21
#6976
30K
18.64 mi12:19:212:14:247:1323:34
7:35
#7045
20M
20.00 mi12:29:492:24:527:1510:28
7:42
#7068
21M
21.00 mi12:37:552:32:587:178:06
8:06
#7074
35K
21.75 mi12:43:202:38:237:175:25
7:14
#7047
23M
23.00 mi12:52:532:47:567:189:33
7:38
#7008
24M
24.00 mi13:00:372:55:407:197:44
7:44
#7077
40K
24.85 mi13:07:033:02:067:206:26
7:31
#7038
25.2M
25.20 mi13:09:583:05:017:212:55
8:27
#7049
Finish
26.22 mi13:17:303:12:337:217:32
7:24
#7029
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5687523152317433(Top 28%)6550(Top 43%)6550(Top 124%)
10K6.21 mi3.10 mi6435-7485816-5855816-5857175(Top 27%)6364(Top 42%)6364(Top 120%)
15K9.32 mi3.11 mi6727-2926051-2356051-2357433(Top 28%)6550(Top 43%)6550(Top 124%)
20K12.43 mi3.11 mi6864-1376152-1016152-1017369(Top 28%)6472(Top 43%)6472(Top 122%)
Half13.11 mi0.68 mi6896-326173-216173-217516(Top 28%)6575(Top 43%)6575(Top 124%)
25K15.53 mi2.42 mi6976-806219-466219-467641(Top 29%)6565(Top 43%)6565(Top 124%)
30K18.64 mi3.11 mi7045-696248-296248-297827(Top 29%)6583(Top 43%)6583(Top 125%)
20M20.00 mi1.36 mi7068-236256-86256-88168(Top 31%)6691(Top 44%)6691(Top 127%)
21M21.00 mi1.00 mi7074-66246+106246+107976(Top 30%)6453(Top 43%)6453(Top 122%)
35K21.75 mi0.75 mi7047+276217+296217+296758(Top 25%)5744(Top 38%)5744(Top 109%)
23M23.00 mi1.25 mi7008+396154+636154+637243(Top 27%)5970(Top 39%)5970(Top 113%)
24M24.00 mi1.00 mi7077-696187-336187-339261(Top 35%)7013(Top 46%)7013(Top 133%)
40K24.85 mi0.85 mi7038+396141+466141+466837(Top 26%)5535(Top 36%)5535(Top 105%)
25.2M25.20 mi0.35 mi7049-116138+36138+39153(Top 34%)6813(Top 45%)6813(Top 129%)
Finish26.22 mi1.02 mi7029+206102+366102+367717(Top 29%)6003(Top 40%)6003(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7433

Males

6550

M18-39

6550

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7175

Males

6364

M18-39

6364

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7433

Males

6550

M18-39

6550

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7369

Males

6472

M18-39

6472

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7516

Males

6575

M18-39

6575

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7641

Males

6565

M18-39

6565

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7827

Males

6583

M18-39

6583

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8168

Males

6691

M18-39

6691

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7976

Males

6453

M18-39

6453

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6758

Males

5744

M18-39

5744

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7243

Males

5970

M18-39

5970

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9261

Males

7013

M18-39

7013

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6837

Males

5535

M18-39

5535

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9153

Males

6813

M18-39

6813

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7717

Males

6003

M18-39

6003

Passing Analysis

Category:
Athletes Passed
735
Passed By
2077
Net Change
-1342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5687
5K → 10K19767-748#5687#6435
10K → 15K36328-292#6435#6727
15K → 20K60197-137#6727#6864
20K → Half1042-32#6864#6896
Half → 25K61141-80#6896#6976
25K → 30K89158-69#6976#7045
30K → 20M4871-23#7045#7068
20M → 21M6268-6#7068#7074
21M → 35K4922+27#7074#7047
35K → 23M9960+39#7047#7008
23M → 24M36105-69#7008#7077
24M → 40K7233+39#7077#7038
40K → 25.2M2435-11#7038#7049
25.2M → Finish7050+20#7049#7029
TOTALS7352077-1342
📊

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