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BOSTON MARATHON 2023

Gaetano Tanzilli

Bib: 30657 M IT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:11/mi
31:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:21/mi
1:03:46
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:55/mi
1:37:40
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:26/mi
2:10:06
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:13/mi
2:17:04
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:12/mi
2:41:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:07/mi
3:13:14
↑ 181↓ 1480.2%
138 ft elev
20M
10:13/mi
3:27:07
↑ 64↓ 500.2%
148 ft elev
21M
11:07/mi
3:38:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:20/mi
3:45:13
↑ 17↓ 861.7%
156 ft elev
23M
10:29/mi
3:58:21
↑ 23↓ 630.6%
116 ft elev
24M
10:24/mi
4:08:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:21/mi
4:17:36
↓ 200.3%
20 ft elev
25.2M
11:16/mi
4:21:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:06/mi
4:31:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:17:04
Pace10:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:14:43
Pace10:17 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4531:3710:1131:37
10:11
-
10K
6.21 mi12:25:541:03:4610:1632:09
10:21
+0:10
15K
9.32 mi12:59:481:37:4010:2933:54
10:55
+0:34
20K
12.43 mi13:32:142:10:0610:2832:26
10:26
-0:29
Half
13.11 mi13:39:122:17:0410:276:58
10:13
-0:13
25K
15.53 mi14:03:562:41:4810:2524:44
10:12
-0:01
30K
18.64 mi14:35:223:13:1410:2231:26
10:07
-0:05
20M
20.00 mi14:49:153:27:0710:2113:53
10:13
+0:06
21M
21.00 mi15:00:223:38:1410:2411:07
11:07
+0:54
35K
21.75 mi15:07:213:45:1310:216:59
9:20
-1:47
23M
23.00 mi15:20:293:58:2110:2213:08
10:29
+1:09
24M
24.00 mi15:30:534:08:4510:2210:24
10:24
-0:05
40K
24.85 mi15:39:444:17:3610:228:51
10:21
-0:03
25.2M
25.20 mi15:43:374:21:2910:233:53
11:16
+0:55
Finish
26.22 mi15:53:554:31:4710:2210:18
10:06
-1:10

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

9:20 /mi

Average Pace

10:22 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:43

18% of race

Time at Steady Pace

2:54:10

64% of race

Time at Slower Pace

48:54

18% of race

Average Pace: 10:22 /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 mi11:53:4531:3710:1131:37
10:11
#23881
10K
6.21 mi12:25:541:03:4610:1632:09
10:21
#24184
15K
9.32 mi12:59:481:37:4010:2933:54
10:55
#24594
20K
12.43 mi13:32:142:10:0610:2832:26
10:26
#24364
Half
13.11 mi13:39:122:17:0410:276:58
10:13
#24330
25K
15.53 mi14:03:562:41:4810:2524:44
10:12
#24001
30K
18.64 mi14:35:223:13:1410:2231:26
10:07
#23554
20M
20.00 mi14:49:153:27:0710:2113:53
10:13
#23392
21M
21.00 mi15:00:223:38:1410:2411:07
11:07
#23273
35K
21.75 mi15:07:213:45:1310:216:59
9:20
#23158
23M
23.00 mi15:20:293:58:2110:2213:08
10:29
#23052
24M
24.00 mi15:30:534:08:4510:2210:24
10:24
#22993
40K
24.85 mi15:39:444:17:3610:228:51
10:21
#22920
25.2M
25.20 mi15:43:374:21:2910:233:53
11:16
#22894
Finish
26.22 mi15:53:554:31:4710:2210:18
10:06
#22870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23881140291402925077(Top 94%)14550(Top 96%)14550(Top 2650%)
10K6.21 mi3.10 mi24184-30314175-14614175-14624389(Top 92%)14256(Top 94%)14256(Top 2597%)
15K9.32 mi3.11 mi24594-41014352-17714352-17725077(Top 94%)14550(Top 96%)14550(Top 2650%)
20K12.43 mi3.11 mi24364+23014241+11114241+11123726(Top 89%)13943(Top 92%)13943(Top 2540%)
Half13.11 mi0.68 mi24330+3414229+1214229+1223677(Top 89%)13926(Top 92%)13926(Top 2537%)
25K15.53 mi2.42 mi24001+32914081+14814081+14822617(Top 85%)13416(Top 88%)13416(Top 2444%)
30K18.64 mi3.11 mi23554+44713860+22113860+22121325(Top 80%)12775(Top 84%)12775(Top 2327%)
20M20.00 mi1.36 mi23392+16213771+8913771+8921060(Top 79%)12599(Top 83%)12599(Top 2295%)
21M21.00 mi1.00 mi23273+11913709+6213709+6221064(Top 79%)12547(Top 83%)12547(Top 2285%)
35K21.75 mi0.75 mi23158+11513636+7313636+7319291(Top 72%)11737(Top 77%)11737(Top 2138%)
23M23.00 mi1.25 mi23052+10613579+5713579+5721292(Top 80%)12595(Top 83%)12595(Top 2294%)
24M24.00 mi1.00 mi22993+5913539+4013539+4021799(Top 82%)12776(Top 84%)12776(Top 2327%)
40K24.85 mi0.85 mi22920+7313497+4213497+4220873(Top 78%)12324(Top 81%)12324(Top 2245%)
25.2M25.20 mi0.35 mi22894+2613483+1413483+1421040(Top 79%)12413(Top 82%)12413(Top 2261%)
Finish26.22 mi1.02 mi22870+2413463+2013463+2022048(Top 83%)12891(Top 85%)12891(Top 2348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25077

Males

14550

M65-69

14550

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24389

Males

14256

M65-69

14256

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25077

Males

14550

M65-69

14550

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23726

Males

13943

M65-69

13943

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23677

Males

13926

M65-69

13926

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22617

Males

13416

M65-69

13416

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21325

Males

12775

M65-69

12775

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21060

Males

12599

M65-69

12599

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21064

Males

12547

M65-69

12547

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19291

Males

11737

M65-69

11737

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21292

Males

12595

M65-69

12595

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21799

Males

12776

M65-69

12776

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20873

Males

12324

M65-69

12324

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21040

Males

12413

M65-69

12413

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22048

Males

12891

M65-69

12891

Passing Analysis

Category:
Athletes Passed
1926
Passed By
915
Net Change
+1011
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23881
5K → 10K79382-303#23881#24184
10K → 15K38448-410#24184#24594
15K → 20K24717+230#24594#24364
20K → Half406+34#24364#24330
Half → 25K3312+329#24330#24001
25K → 30K4481+447#24001#23554
30K → 20M1631+162#23554#23392
20M → 21M1256+119#23392#23273
21M → 35K1150+115#23273#23158
35K → 23M12014+106#23158#23052
23M → 24M6910+59#23052#22993
24M → 40K818+73#22993#22920
40K → 25.2M315+26#22920#22894
25.2M → Finish3915+24#22894#22870
TOTALS1926915+1011
📊

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