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BOSTON MARATHON 2023

Daniel Celotto

Bib: 31867•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
9:50/mi
30:33
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:02:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:36:01
↑ 67↓ 78
20K· 12.43 mi
11:18/mi
2:11:06
↑ 106↓ 860.1%
Half· 13.11 mi
11:02/mi
2:18:38
↑ 19↓ 370.5%
25K· 15.53 mi
11:52/mi
2:47:24
↑ 66↓ 880.2%
30K· 18.64 mi
12:32/mi
3:26:21
↑ 181↓ 1480.2%
20M
12:50/mi
3:43:47
↑ 64↓ 500.2%
21M
13:09/mi
3:56:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
4:05:53
↑ 17↓ 861.7%
23M
12:50/mi
4:21:57
↑ 23↓ 630.6%
24M
12:08/mi
4:34:05
↓ 821.3%
40K· 24.85 mi
12:11/mi
4:44:30
↓ 200.3%
25.2M
13:41/mi
4:49:13
↑ 13↓ 160.2%
Finish· 26.22 mi
11:49/mi
5:01:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:38
Pace10:34 /mi
2nd Half
Distance13.11 mi
Time2:42:37
Pace12:24 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2930:339:5030:33
9:50
-
10K
6.21 mi12:22:431:02:4710:0632:14
10:22
+0:32
15K
9.32 mi12:55:571:36:0110:1833:14
10:42
+0:20
20K
12.43 mi13:31:022:11:0610:3335:05
11:18
+0:36
Half
13.11 mi13:38:342:18:3810:347:32
11:02
-0:16
25K
15.53 mi14:07:202:47:2410:4728:46
11:52
+0:50
30K
18.64 mi14:46:173:26:2111:0438:57
12:32
+0:40
20M
20.00 mi15:03:433:43:4711:1117:26
12:50
+0:18
21M
21.00 mi15:16:523:56:5611:1713:09
13:09
+0:19
35K
21.75 mi15:25:494:05:5311:188:57
11:58
-1:11
23M
23.00 mi15:41:534:21:5711:2316:04
12:50
+0:52
24M
24.00 mi15:54:014:34:0511:2512:08
12:08
-0:42
40K
24.85 mi16:04:264:44:3011:2710:25
12:11
+0:03
25.2M
25.20 mi16:09:094:49:1311:294:43
13:41
+1:30
Finish
26.22 mi16:21:115:01:1511:3012:02
11:49
-1:52

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

9:50 /mi

Average Pace

11:30 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:38

46% of race

Time at Steady Pace

1:12:18

24% of race

Time at Slower Pace

1:30:19

30% of race

Average Pace: 11:29 /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 mi11:50:2930:339:5030:33
9:50
#23011
10K
6.21 mi12:22:431:02:4710:0632:14
10:22
#23861
15K
9.32 mi12:55:571:36:0110:1833:14
10:42
#24222
20K
12.43 mi13:31:022:11:0610:3335:05
11:18
#24500
Half
13.11 mi13:38:342:18:3810:347:32
11:02
#24532
25K
15.53 mi14:07:202:47:2410:4728:46
11:52
#24675
30K
18.64 mi14:46:173:26:2111:0438:57
12:32
#24784
20M
20.00 mi15:03:433:43:4711:1117:26
12:50
#24824
21M
21.00 mi15:16:523:56:5611:1713:09
13:09
#24799
35K
21.75 mi15:25:494:05:5311:188:57
11:58
#24798
23M
23.00 mi15:41:534:21:5711:2316:04
12:50
#24837
24M
24.00 mi15:54:014:34:0511:2512:08
12:08
#24843
40K
24.85 mi16:04:264:44:3011:2710:25
12:11
#24835
25.2M
25.20 mi16:09:094:49:1311:294:43
13:41
#24841
Finish
26.22 mi16:21:115:01:1511:3012:02
11:49
#24883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23011135931359324794(Top 93%)14427(Top 95%)14427(Top 703%)
10K6.21 mi3.10 mi23861-85014024-43114024-43124444(Top 92%)14284(Top 94%)14284(Top 696%)
15K9.32 mi3.11 mi24222-36114187-16314187-16324794(Top 93%)14427(Top 95%)14427(Top 703%)
20K12.43 mi3.11 mi24500-27814304-11714304-11724990(Top 94%)14494(Top 96%)14494(Top 706%)
Half13.11 mi0.68 mi24532-3214313-914313-924981(Top 94%)14471(Top 95%)14471(Top 705%)
25K15.53 mi2.42 mi24675-14314364-5114364-5125042(Top 94%)14483(Top 95%)14483(Top 706%)
30K18.64 mi3.11 mi24784-10914395-3114395-3125031(Top 94%)14428(Top 95%)14428(Top 703%)
20M20.00 mi1.36 mi24824-4014405-1014405-1025021(Top 94%)14386(Top 95%)14386(Top 701%)
21M21.00 mi1.00 mi24799+2514387+1814387+1824256(Top 91%)14007(Top 92%)14007(Top 683%)
35K21.75 mi0.75 mi24798+114385+214385+224651(Top 93%)14149(Top 93%)14149(Top 690%)
23M23.00 mi1.25 mi24837-3914389-414389-424916(Top 94%)14305(Top 94%)14305(Top 697%)
24M24.00 mi1.00 mi24843-614382+714382+724679(Top 93%)14134(Top 93%)14134(Top 689%)
40K24.85 mi0.85 mi24835+814372+1014372+1024098(Top 91%)13852(Top 91%)13852(Top 675%)
25.2M25.20 mi0.35 mi24841-614373-114373-124695(Top 93%)14137(Top 93%)14137(Top 689%)
Finish26.22 mi1.02 mi24883-4214385-1214385-1225044(Top 94%)14331(Top 94%)14331(Top 698%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24794

Males

14427

M50-54

14427

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24444

Males

14284

M50-54

14284

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24794

Males

14427

M50-54

14427

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24990

Males

14494

M50-54

14494

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24981

Males

14471

M50-54

14471

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25042

Males

14483

M50-54

14483

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25031

Males

14428

M50-54

14428

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25021

Males

14386

M50-54

14386

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24256

Males

14007

M50-54

14007

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24651

Males

14149

M50-54

14149

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24916

Males

14305

M50-54

14305

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24679

Males

14134

M50-54

14134

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24098

Males

13852

M50-54

13852

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24695

Males

14137

M50-54

14137

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25044

Males

14331

M50-54

14331

Passing Analysis

Category:
Athletes Passed
374
Passed By
2246
Net Change
-1872
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23011
5K → 10K23873-850#23011#23861
10K → 15K29390-361#23861#24222
15K → 20K32310-278#24222#24500
20K → Half1648-32#24500#24532
Half → 25K34177-143#24532#24675
25K → 30K55164-109#24675#24784
30K → 20M3676-40#24784#24824
20M → 21M4419+25#24824#24799
21M → 35K1615+1#24799#24798
35K → 23M2160-39#24798#24837
23M → 24M2228-6#24837#24843
24M → 40K3325+8#24843#24835
40K → 25.2M713-6#24835#24841
25.2M → Finish648-42#24841#24883
TOTALS3742246-1872
📊

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