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BOSTON MARATHON 2023

Dov Gertzulin

Bib: 2077•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 33%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:33/mi
23:28
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
45:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:03
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:30:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:35:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:53:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:16:58
↑ 181↓ 1480.2%
20M
7:49/mi
2:27:35
↑ 64↓ 500.2%
21M
7:49/mi
2:35:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:41:06
↑ 17↓ 861.7%
23M
7:40/mi
2:50:42
↑ 23↓ 630.6%
24M
7:37/mi
2:58:19
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:05:09
↓ 200.3%
25.2M
8:59/mi
3:08:15
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:16:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:37
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5423:287:3323:28
7:33
-
10K
6.21 mi10:49:5845:327:2022:04
7:06
-0:27
15K
9.32 mi11:12:291:08:037:1822:31
7:15
+0:09
20K
12.43 mi11:35:051:30:397:1822:36
7:16
+0:01
Half
13.11 mi11:40:031:35:377:184:58
7:17
+0:01
25K
15.53 mi11:58:031:53:377:1918:00
7:25
+0:08
30K
18.64 mi12:21:242:16:587:2123:21
7:31
+0:06
20M
20.00 mi12:32:012:27:357:2310:37
7:49
+0:18
21M
21.00 mi12:39:502:35:247:247:49
7:49
0:00
35K
21.75 mi12:45:322:41:067:245:42
7:37
-0:12
23M
23.00 mi12:55:082:50:427:259:36
7:40
+0:03
24M
24.00 mi13:02:452:58:197:267:37
7:37
-0:03
40K
24.85 mi13:09:353:05:097:276:50
8:00
+0:23
25.2M
25.20 mi13:12:413:08:157:283:06
8:59
+0:59
Finish
26.22 mi13:21:083:16:427:308:27
8:18
-0:41

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

7:06 /mi

Average Pace

7:30 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:09

37% of race

Time at Steady Pace

1:46:10

54% of race

Time at Slower Pace

18:23

9% of race

Average Pace: 7:30 /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 mi10:27:5423:287:3323:28
7:33
#10085
10K
6.21 mi10:49:5845:327:2022:04
7:06
#8634
15K
9.32 mi11:12:291:08:037:1822:31
7:15
#8467
20K
12.43 mi11:35:051:30:397:1822:36
7:16
#8203
Half
13.11 mi11:40:031:35:377:184:58
7:17
#8208
25K
15.53 mi11:58:031:53:377:1918:00
7:25
#8171
30K
18.64 mi12:21:242:16:587:2123:21
7:31
#7998
20M
20.00 mi12:32:012:27:357:2310:37
7:49
#8016
21M
21.00 mi12:39:502:35:247:247:49
7:49
#7863
35K
21.75 mi12:45:322:41:067:245:42
7:37
#7912
23M
23.00 mi12:55:082:50:427:259:36
7:40
#7856
24M
24.00 mi13:02:452:58:197:267:37
7:37
#7866
40K
24.85 mi13:09:353:05:097:276:50
8:00
#7915
25.2M
25.20 mi13:12:413:08:157:283:06
8:59
#7979
Finish
26.22 mi13:21:083:16:427:308:27
8:18
#8208
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi10085816781678128(Top 31%)7004(Top 46%)7004(Top 313%)
10K6.21 mi3.10 mi8634+14517355+8127355+8127463(Top 28%)6573(Top 43%)6573(Top 293%)
15K9.32 mi3.11 mi8467+1677250+1057250+1058128(Top 31%)7004(Top 46%)7004(Top 313%)
20K12.43 mi3.11 mi8203+2647073+1777073+1777594(Top 29%)6625(Top 44%)6625(Top 296%)
Half13.11 mi0.68 mi8208-57072+17072+18407(Top 32%)7146(Top 47%)7146(Top 319%)
25K15.53 mi2.42 mi8171+377018+547018+548204(Top 31%)6939(Top 46%)6939(Top 310%)
30K18.64 mi3.11 mi7998+1736873+1456873+1457327(Top 28%)6275(Top 41%)6275(Top 280%)
20M20.00 mi1.36 mi8016-186867+66867+69011(Top 34%)7186(Top 47%)7186(Top 321%)
21M21.00 mi1.00 mi7863+1536759+1086759+1086216(Top 23%)5345(Top 35%)5345(Top 239%)
35K21.75 mi0.75 mi7912-496774-156774-159360(Top 35%)7265(Top 48%)7265(Top 324%)
23M23.00 mi1.25 mi7856+566714+606714+607534(Top 28%)6143(Top 40%)6143(Top 274%)
24M24.00 mi1.00 mi7866-106700+146700+148492(Top 32%)6604(Top 44%)6604(Top 295%)
40K24.85 mi0.85 mi7915-496714-146714-149961(Top 37%)7312(Top 48%)7312(Top 326%)
25.2M25.20 mi0.35 mi7979-646743-296743-2912342(Top 46%)8405(Top 55%)8405(Top 375%)
Finish26.22 mi1.02 mi8208-2296864-1216864-12114024(Top 53%)9243(Top 61%)9243(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8128

Males

7004

M40-44

7004

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7463

Males

6573

M40-44

6573

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8128

Males

7004

M40-44

7004

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7594

Males

6625

M40-44

6625

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8407

Males

7146

M40-44

7146

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8204

Males

6939

M40-44

6939

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7327

Males

6275

M40-44

6275

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9011

Males

7186

M40-44

7186

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6216

Males

5345

M40-44

5345

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9360

Males

7265

M40-44

7265

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7534

Males

6143

M40-44

6143

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8492

Males

6604

M40-44

6604

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9961

Males

7312

M40-44

7312

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12342

Males

8405

M40-44

8405

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14024

Males

9243

M40-44

9243

Passing Analysis

Category:
Athletes Passed
2860*
Passed By
983
Net Change
+1877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10085
5K → 10K1468*17+1451#10085#8634
10K → 15K23063+167#8634#8467
15K → 20K28622+264#8467#8203
20K → Half2025-5#8203#8208
Half → 25K12285+37#8208#8171
25K → 30K22754+173#8171#7998
30K → 20M8098-18#7998#8016
20M → 21M16310+153#8016#7863
21M → 35K2675-49#7863#7912
35K → 23M10044+56#7912#7856
23M → 24M6979-10#7856#7866
24M → 40K4392-49#7866#7915
40K → 25.2M1175-64#7915#7979
25.2M → Finish15244-229#7979#8208
TOTALS2860*983+1877

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

📊

Passing Visuals

Category:
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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