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BOSTON MARATHON 2023

Ryan Zeldes

Bib: 29749•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
9:51/mi
30:37
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:02:48
↑ 79↓ 1380.4%
15K· 9.32 mi
11:03/mi
1:37:09
↑ 67↓ 78
20K· 12.43 mi
12:31/mi
2:16:02
↑ 106↓ 860.1%
Half· 13.11 mi
11:35/mi
2:23:56
↑ 19↓ 370.5%
25K· 15.53 mi
11:57/mi
2:52:54
↑ 66↓ 880.2%
30K· 18.64 mi
13:34/mi
3:35:04
↑ 181↓ 1480.2%
20M
14:19/mi
3:54:31
↑ 64↓ 500.2%
21M
16:09/mi
4:10:40
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
4:19:37
↑ 17↓ 861.7%
23M
12:00/mi
4:34:38
↑ 23↓ 630.6%
24M
10:56/mi
4:45:34
↓ 821.3%
40K· 24.85 mi
11:43/mi
4:55:35
↓ 200.3%
25.2M
12:25/mi
4:59:52
↑ 13↓ 160.2%
Finish· 26.22 mi
11:27/mi
5:11:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:56
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:47:36
Pace12:47 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3430:379:5130:37
9:51
-
10K
6.21 mi12:20:451:02:4810:0632:11
10:22
+0:31
15K
9.32 mi12:55:061:37:0910:2534:21
11:03
+0:41
20K
12.43 mi13:33:592:16:0210:5738:53
12:31
+1:28
Half
13.11 mi13:41:532:23:5610:597:54
11:35
-0:56
25K
15.53 mi14:10:512:52:5411:0828:58
11:57
+0:22
30K
18.64 mi14:53:013:35:0411:3242:10
13:34
+1:37
20M
20.00 mi15:12:283:54:3111:4419:27
14:19
+0:45
21M
21.00 mi15:28:374:10:4011:5616:09
16:09
+1:50
35K
21.75 mi15:37:344:19:3711:568:57
11:58
-4:11
23M
23.00 mi15:52:354:34:3811:5615:01
12:00
+0:02
24M
24.00 mi16:03:314:45:3411:5410:56
10:56
-1:04
40K
24.85 mi16:13:324:55:3511:5410:01
11:43
+0:47
25.2M
25.20 mi16:17:494:59:5211:544:17
12:25
+0:42
Finish
26.22 mi16:29:295:11:3211:5311:40
11:27
-0:58

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

9:51 /mi

Average Pace

11:53 /mi

Slowest Pace

16:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:05

35% of race

Time at Steady Pace

2:05:41

40% of race

Time at Slower Pace

1:17:46

25% of race

Average Pace: 11:53 /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 mi11:48:3430:379:5130:37
9:51
#23065
10K
6.21 mi12:20:451:02:4810:0632:11
10:22
#23863
15K
9.32 mi12:55:061:37:0910:2534:21
11:03
#24487
20K
12.43 mi13:33:592:16:0210:5738:53
12:31
#25123
Half
13.11 mi13:41:532:23:5610:597:54
11:35
#25163
25K
15.53 mi14:10:512:52:5411:0828:58
11:57
#25197
30K
18.64 mi14:53:013:35:0411:3242:10
13:34
#25358
20M
20.00 mi15:12:283:54:3111:4419:27
14:19
#25456
21M
21.00 mi15:28:374:10:4011:5616:09
16:09
#25544
35K
21.75 mi15:37:344:19:3711:568:57
11:58
#25514
23M
23.00 mi15:52:354:34:3811:5615:01
12:00
#25456
24M
24.00 mi16:03:314:45:3411:5410:56
10:56
#25391
40K
24.85 mi16:13:324:55:3511:5410:01
11:43
#25334
25.2M
25.20 mi16:17:494:59:5211:544:17
12:25
#25315
Finish
26.22 mi16:29:295:11:3211:5311:40
11:27
#25299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23065136171361725274(Top 95%)14637(Top 96%)14637(Top 277%)
10K6.21 mi3.10 mi23863-79814026-40914026-40924415(Top 92%)14273(Top 94%)14273(Top 270%)
15K9.32 mi3.11 mi24487-62414310-28414310-28425274(Top 95%)14637(Top 96%)14637(Top 277%)
20K12.43 mi3.11 mi25123-63614575-26514575-26525975(Top 98%)14911(Top 98%)14911(Top 282%)
Half13.11 mi0.68 mi25163-4014591-1614591-1625544(Top 96%)14708(Top 97%)14708(Top 278%)
25K15.53 mi2.42 mi25197-3414590+114590+125115(Top 94%)14510(Top 96%)14510(Top 275%)
30K18.64 mi3.11 mi25358-16114642-5214642-5225795(Top 97%)14776(Top 97%)14776(Top 280%)
20M20.00 mi1.36 mi25456-9814677-3514677-3526006(Top 98%)14855(Top 98%)14855(Top 281%)
21M21.00 mi1.00 mi25544-8814715-3814715-3826258(Top 99%)14987(Top 99%)14987(Top 284%)
35K21.75 mi0.75 mi25514+3014696+1914696+1924653(Top 93%)14151(Top 93%)14151(Top 268%)
23M23.00 mi1.25 mi25456+5814666+3014666+3023984(Top 90%)13851(Top 91%)13851(Top 262%)
24M24.00 mi1.00 mi25391+6514634+3214634+3222922(Top 86%)13310(Top 88%)13310(Top 252%)
40K24.85 mi0.85 mi25334+5714602+3214602+3223525(Top 88%)13551(Top 89%)13551(Top 256%)
25.2M25.20 mi0.35 mi25315+1914592+1014592+1023160(Top 87%)13400(Top 88%)13400(Top 254%)
Finish26.22 mi1.02 mi25299+1614583+914583+924620(Top 92%)14131(Top 93%)14131(Top 267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25274

Males

14637

M18-39

14637

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24415

Males

14273

M18-39

14273

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25274

Males

14637

M18-39

14637

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25975

Males

14911

M18-39

14911

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25544

Males

14708

M18-39

14708

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25115

Males

14510

M18-39

14510

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25795

Males

14776

M18-39

14776

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26006

Males

14855

M18-39

14855

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26258

Males

14987

M18-39

14987

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24653

Males

14151

M18-39

14151

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23984

Males

13851

M18-39

13851

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22922

Males

13310

M18-39

13310

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23525

Males

13551

M18-39

13551

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23160

Males

13400

M18-39

13400

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24620

Males

14131

M18-39

14131

Passing Analysis

Category:
Athletes Passed
429
Passed By
2663
Net Change
-2234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23065
5K → 10K26824-798#23065#23863
10K → 15K13637-624#23863#24487
15K → 20K8644-636#24487#25123
20K → Half848-40#25123#25163
Half → 25K6599-34#25163#25197
25K → 30K26187-161#25197#25358
30K → 20M6104-98#25358#25456
20M → 21M694-88#25456#25544
21M → 35K399+30#25544#25514
35K → 23M635+58#25514#25456
23M → 24M672+65#25456#25391
24M → 40K581+57#25391#25334
40K → 25.2M201+19#25334#25315
25.2M → Finish248+16#25315#25299
TOTALS4292663-2234
📊

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