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BOSTON MARATHON 2023

Daniel Ziniti

Bib: 25373•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
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
10:07/mi
31:26
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:02:32
↑ 79↓ 1380.4%
15K· 9.32 mi
10:47/mi
1:36:03
↑ 67↓ 78
20K· 12.43 mi
11:28/mi
2:11:39
↑ 106↓ 860.1%
Half· 13.11 mi
11:44/mi
2:19:39
↑ 19↓ 370.5%
25K· 15.53 mi
12:36/mi
2:50:13
↑ 66↓ 880.2%
30K· 18.64 mi
13:08/mi
3:31:00
↑ 181↓ 1480.2%
20M
16:16/mi
3:53:06
↑ 64↓ 500.2%
21M
21:41/mi
4:14:47
↑ 106↓ 241.6%
35K· 21.75 mi
11:36/mi
4:23:28
↑ 17↓ 861.7%
23M
13:11/mi
4:39:58
↑ 23↓ 630.6%
24M
12:17/mi
4:52:15
↓ 821.3%
40K· 24.85 mi
15:01/mi
5:05:05
↓ 200.3%
25.2M
15:08/mi
5:10:18
↑ 13↓ 160.2%
Finish· 26.22 mi
14:36/mi
5:25:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:39
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time3:05:32
Pace14:09 /mi
📊Positive Split: 32.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5531:2610:0731:26
10:07
-
10K
6.21 mi12:20:011:02:3210:0431:06
10:01
-0:06
15K
9.32 mi12:53:321:36:0310:1833:31
10:47
+0:46
20K
12.43 mi13:29:082:11:3910:3635:36
11:28
+0:41
Half
13.11 mi13:37:082:19:3910:398:00
11:44
+0:16
25K
15.53 mi14:07:422:50:1310:5730:34
12:36
+0:52
30K
18.64 mi14:48:293:31:0011:1940:47
13:08
+0:32
20M
20.00 mi15:10:353:53:0611:3922:06
16:16
+3:08
21M
21.00 mi15:32:164:14:4712:0821:41
21:41
+5:25
35K
21.75 mi15:40:574:23:2812:078:41
11:36
-10:05
23M
23.00 mi15:57:274:39:5812:1016:30
13:11
+1:35
24M
24.00 mi16:09:444:52:1512:1112:17
12:17
-0:54
40K
24.85 mi16:22:345:05:0512:1612:50
15:01
+2:44
25.2M
25.20 mi16:27:475:10:1812:195:13
15:08
+0:07
Finish
26.22 mi16:42:405:25:1112:2514:53
14:36
-0:32

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

10:01 /mi

Average Pace

12:25 /mi

Slowest Pace

21:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:03

30% of race

Time at Steady Pace

2:32:25

47% of race

Time at Slower Pace

1:16:43

24% of race

Average Pace: 12:24 /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 mi11:48:5531:2610:0731:26
10:07
#23728
10K
6.21 mi12:20:011:02:3210:0431:06
10:01
#23760
15K
9.32 mi12:53:321:36:0310:1833:31
10:47
#24227
20K
12.43 mi13:29:082:11:3910:3635:36
11:28
#24580
Half
13.11 mi13:37:082:19:3910:398:00
11:44
#24677
25K
15.53 mi14:07:422:50:1310:5730:34
12:36
#24940
30K
18.64 mi14:48:293:31:0011:1940:47
13:08
#25124
20M
20.00 mi15:10:353:53:0611:3922:06
16:16
#25393
21M
21.00 mi15:32:164:14:4712:0821:41
21:41
#25701
35K
21.75 mi15:40:574:23:2812:078:41
11:36
#25664
23M
23.00 mi15:57:274:39:5812:1016:30
13:11
#25650
24M
24.00 mi16:09:444:52:1512:1112:17
12:17
#25631
40K
24.85 mi16:22:345:05:0512:1612:50
15:01
#25679
25.2M
25.20 mi16:27:475:10:1812:195:13
15:08
#25684
Finish
26.22 mi16:42:405:25:1112:2514:53
14:36
#25761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23728139451394524916(Top 94%)14482(Top 95%)14482(Top 646%)
10K6.21 mi3.10 mi23760-3213976-3113976-3123700(Top 89%)13950(Top 92%)13950(Top 622%)
15K9.32 mi3.11 mi24227-46714189-21314189-21324916(Top 94%)14482(Top 95%)14482(Top 646%)
20K12.43 mi3.11 mi24580-35314336-14714336-14725191(Top 95%)14575(Top 96%)14575(Top 650%)
Half13.11 mi0.68 mi24677-9714375-3914375-3925667(Top 96%)14759(Top 97%)14759(Top 659%)
25K15.53 mi2.42 mi24940-26314489-11414489-11425631(Top 96%)14744(Top 97%)14744(Top 658%)
30K18.64 mi3.11 mi25124-18414546-5714546-5725519(Top 96%)14643(Top 96%)14643(Top 653%)
20M20.00 mi1.36 mi25393-26914650-10414650-10426508(Top 100%)15115(Top 100%)15115(Top 674%)
21M21.00 mi1.00 mi25701-30814788-13814788-13826617(Top 100%)15175(Top 100%)15175(Top 677%)
35K21.75 mi0.75 mi25664+3714768+2014768+2024232(Top 91%)13965(Top 92%)13965(Top 623%)
23M23.00 mi1.25 mi25650+1414758+1014758+1025256(Top 95%)14464(Top 95%)14464(Top 645%)
24M24.00 mi1.00 mi25631+1914745+1314745+1324835(Top 93%)14215(Top 94%)14215(Top 634%)
40K24.85 mi0.85 mi25679-4814764-1914764-1926152(Top 98%)14886(Top 98%)14886(Top 664%)
25.2M25.20 mi0.35 mi25684-5147641476425768(Top 97%)14686(Top 97%)14686(Top 655%)
Finish26.22 mi1.02 mi25761-7714791-2714791-2726459(Top 99%)15069(Top 99%)15069(Top 672%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24916

Males

14482

M40-44

14482

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23700

Males

13950

M40-44

13950

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24916

Males

14482

M40-44

14482

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25191

Males

14575

M40-44

14575

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25667

Males

14759

M40-44

14759

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25631

Males

14744

M40-44

14744

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25519

Males

14643

M40-44

14643

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26508

Males

15115

M40-44

15115

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26617

Males

15175

M40-44

15175

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24232

Males

13965

M40-44

13965

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25256

Males

14464

M40-44

14464

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24835

Males

14215

M40-44

14215

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26152

Males

14886

M40-44

14886

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25768

Males

14686

M40-44

14686

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26459

Males

15069

M40-44

15069

Passing Analysis

Category:
Athletes Passed
383
Passed By
2416
Net Change
-2033
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23728
5K → 10K186218-32#23728#23760
10K → 15K20487-467#23760#24227
15K → 20K23376-353#24227#24580
20K → Half198-97#24580#24677
Half → 25K16279-263#24677#24940
25K → 30K34218-184#24940#25124
30K → 20M1270-269#25124#25393
20M → 21M0308-308#25393#25701
21M → 35K381+37#25701#25664
35K → 23M2915+14#25664#25650
23M → 24M267+19#25650#25631
24M → 40K351-48#25631#25679
40K → 25.2M49-5#25679#25684
25.2M → Finish279-77#25684#25761
TOTALS3832416-2033
📊

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