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BOSTON MARATHON 2023

James Zoldy

Bib: 10510•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M60-64)
#0 / 1110
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #7624
Start → 5K
7:13/mi
22:26 split
10K· 6.21 mi
44:09
Rank: #7149 (+475)
5K → 10K
6:59/mi
21:43 split
15K· 9.32 mi
1:06:14
Rank: #7152 (-3)
10K → 15K
7:06/mi
22:05 split
20K· 12.43 mi
1:28:55
Rank: #7250 (-98)
15K → 20K
7:18/mi
22:41 split
Half· 13.11 mi
1:33:57
Rank: #7323 (-73)
20K → Half
7:23/mi
5:02 split
25K· 15.53 mi
1:52:16
Rank: #7555 (-232)
Half → 25K
7:33/mi
18:19 split
30K· 18.64 mi
2:17:17
Rank: #8114 (-559)
25K → 30K
8:03/mi
25:01 split
20M
2:28:55
Rank: #8530 (-416)
30K → 20M
8:34/mi
11:38 split
21M
2:38:01
Rank: #8845 (-315)
20M → 21M
9:06/mi
9:06 split
35K· 21.75 mi
2:44:32
Rank: #9126 (-281)
21M → 35K
8:43/mi
6:31 split
23M
2:56:06
Rank: #9659 (-533)
35K → 23M
9:14/mi
11:34 split
24M
3:05:42
Rank: #10240 (-581)
23M → 24M
9:36/mi
9:36 split
40K· 24.85 mi
3:13:57
Rank: #10652 (-412)
24M → 40K
9:39/mi
8:15 split
25.2M
3:17:29
Rank: #10821 (-169)
40K → 25.2M
10:15/mi
3:32 split
Finish· 26.22 mi
3:26:54
Rank: #11255 (-434)
25.2M → Finish
9:14/mi
9:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:57
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:52:57
Pace8:37 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3622:267:1322:26
7:13
-
10K
6.21 mi11:10:1944:097:0621:43
6:59
-0:14
15K
9.32 mi11:32:241:06:147:0622:05
7:06
+0:07
20K
12.43 mi11:55:051:28:557:0922:41
7:18
+0:12
Half
13.11 mi12:00:071:33:577:105:02
7:23
+0:05
25K
15.53 mi12:18:261:52:167:1418:19
7:33
+0:10
30K
18.64 mi12:43:272:17:177:2225:01
8:03
+0:30
20M
20.00 mi12:55:052:28:557:2711:38
8:34
+0:31
21M
21.00 mi13:04:112:38:017:319:06
9:06
+0:32
35K
21.75 mi13:10:422:44:327:346:31
8:43
-0:23
23M
23.00 mi13:22:162:56:067:3911:34
9:14
+0:31
24M
24.00 mi13:31:523:05:427:449:36
9:36
+0:22
40K
24.85 mi13:40:073:13:577:488:15
9:39
+0:03
25.2M
25.20 mi13:43:393:17:297:503:32
10:15
+0:36
Finish
26.22 mi13:53:043:26:547:549:25
9:14
-1:01

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

6:59 /mi

Average Pace

7:54 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:16

54% of race

Time at Steady Pace

43:10

21% of race

Time at Slower Pace

51:28

25% of race

Average Pace: 7:53 /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 mi10:48:3622:267:1322:26
7:13
#7624
10K
6.21 mi11:10:1944:097:0621:43
6:59
#7149
15K
9.32 mi11:32:241:06:147:0622:05
7:06
#7152
20K
12.43 mi11:55:051:28:557:0922:41
7:18
#7250
Half
13.11 mi12:00:071:33:577:105:02
7:23
#7323
25K
15.53 mi12:18:261:52:167:1418:19
7:33
#7555
30K
18.64 mi12:43:272:17:177:2225:01
8:03
#8114
20M
20.00 mi12:55:052:28:557:2711:38
8:34
#8530
21M
21.00 mi13:04:112:38:017:319:06
9:06
#8845
35K
21.75 mi13:10:422:44:327:346:31
8:43
#9126
23M
23.00 mi13:22:162:56:067:3911:34
9:14
#9659
24M
24.00 mi13:31:523:05:427:449:36
9:36
#10240
40K
24.85 mi13:40:073:13:577:488:15
9:39
#10652
25.2M
25.20 mi13:43:393:17:297:503:32
10:15
#10821
Finish
26.22 mi13:53:043:26:547:549:25
9:14
#11255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi7624673767377202(Top 27%)6388(Top 42%)6388(Top 575%)
10K6.21 mi3.10 mi7149+4756374+3636374+3636756(Top 25%)6062(Top 40%)6062(Top 546%)
15K9.32 mi3.11 mi7152-36369+56369+57202(Top 27%)6388(Top 42%)6388(Top 575%)
20K12.43 mi3.11 mi7250-986431-626431-627795(Top 29%)6758(Top 45%)6758(Top 609%)
Half13.11 mi0.68 mi7323-736481-506481-509245(Top 35%)7680(Top 51%)7680(Top 692%)
25K15.53 mi2.42 mi7555-2326633-1526633-1529198(Top 35%)7560(Top 50%)7560(Top 681%)
30K18.64 mi3.11 mi8114-5596945-3126945-31211303(Top 42%)8497(Top 56%)8497(Top 765%)
20M20.00 mi1.36 mi8530-4167193-2487193-24813972(Top 52%)9554(Top 63%)9554(Top 861%)
21M21.00 mi1.00 mi8845-3157376-1837376-18313958(Top 52%)9471(Top 62%)9471(Top 853%)
35K21.75 mi0.75 mi9126-2817517-1417517-14116417(Top 62%)10434(Top 69%)10434(Top 940%)
23M23.00 mi1.25 mi9659-5337803-2867803-28617221(Top 65%)10782(Top 71%)10782(Top 971%)
24M24.00 mi1.00 mi10240-5818083-2808083-28019537(Top 73%)11775(Top 78%)11775(Top 1061%)
40K24.85 mi0.85 mi10652-4128259-1768259-17618836(Top 71%)11409(Top 75%)11409(Top 1028%)
25.2M25.20 mi0.35 mi10821-1698329-708329-7018214(Top 68%)11109(Top 73%)11109(Top 1001%)
Finish26.22 mi1.02 mi11255-4348518-1898518-18919081(Top 72%)11569(Top 76%)11569(Top 1042%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7202

Males

6388

M60-64

6388

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6756

Males

6062

M60-64

6062

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7202

Males

6388

M60-64

6388

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7795

Males

6758

M60-64

6758

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9245

Males

7680

M60-64

7680

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9198

Males

7560

M60-64

7560

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11303

Males

8497

M60-64

8497

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13972

Males

9554

M60-64

9554

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13958

Males

9471

M60-64

9471

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16417

Males

10434

M60-64

10434

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17221

Males

10782

M60-64

10782

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19537

Males

11775

M60-64

11775

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18836

Males

11409

M60-64

11409

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18214

Males

11109

M60-64

11109

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19081

Males

11569

M60-64

11569

Passing Analysis

Category:
Athletes Passed
912
Passed By
4541
Net Change
-3631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7624
5K → 10K52954+475#7624#7149
10K → 15K137140-3#7149#7152
15K → 20K78176-98#7152#7250
20K → Half679-73#7250#7323
Half → 25K29261-232#7323#7555
25K → 30K30589-559#7555#8114
30K → 20M23439-416#8114#8530
20M → 21M20335-315#8530#8845
21M → 35K7288-281#8845#9126
35K → 23M18551-533#9126#9659
23M → 24M4583-581#9659#10240
24M → 40K13425-412#10240#10652
40K → 25.2M6175-169#10652#10821
25.2M → Finish12446-434#10821#11255
TOTALS9124541-3631
📊

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