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BOSTON MARATHON 2023

Ryan Nanzer

Bib: 3997•M

TN

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:53
Rank: #16351
Start → 5K
25:53 | 8:20/mi
10K· 6.21 mi
52:28
Rank: #17494 (-1143)
5K → 10K
26:35 | 8:33/mi
15K· 9.32 mi
1:20:31
Rank: #18688 (-1194)
10K → 15K
28:03 | 9:02/mi
20K· 12.43 mi
1:49:02
Rank: #19193 (-505)
15K → 20K
28:31 | 9:11/mi
Half· 13.11 mi
1:55:04
Rank: #19214 (-21)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:17:27
Rank: #19344 (-130)
Half → 25K
22:23 | 9:14/mi
30K· 18.64 mi
2:46:26
Rank: #19247 (+97)
25K → 30K
28:59 | 9:20/mi
20M
2:59:19
Rank: #19197 (+50)
30K → 20M
12:53 | 9:29/mi
21M
3:10:13
Rank: #19315 (-118)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:16:52
Rank: #19249 (+66)
21M → 35K
6:39 | 8:53/mi
23M
3:28:29
Rank: #19142 (+107)
35K → 23M
11:37 | 9:17/mi
24M
3:37:56
Rank: #19133 (+9)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:45:56
Rank: #19088 (+45)
24M → 40K
8:00 | 9:21/mi
25.2M
3:49:31
Rank: #19094 (-6)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:58:25
Rank: #19024 (+70)
25.2M → Finish
8:54 | 8:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:04
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:03:21
Pace9:25 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5225:538:2025:53
8:20
-
10K
6.21 mi11:18:2752:288:2726:35
8:33
+0:13
15K
9.32 mi11:46:301:20:318:3828:03
9:02
+0:29
20K
12.43 mi12:15:011:49:028:4628:31
9:11
+0:09
Half
13.11 mi12:21:031:55:048:476:02
8:51
-0:20
25K
15.53 mi12:43:262:17:278:5122:23
9:14
+0:23
30K
18.64 mi13:12:252:46:268:5628:59
9:20
+0:06
20M
20.00 mi13:25:182:59:198:5812:53
9:29
+0:09
21M
21.00 mi13:36:123:10:139:0310:54
10:54
+1:25
35K
21.75 mi13:42:513:16:529:036:39
8:53
-2:01
23M
23.00 mi13:54:283:28:299:0411:37
9:17
+0:24
24M
24.00 mi14:03:553:37:569:059:27
9:27
+0:10
40K
24.85 mi14:11:553:45:569:058:00
9:21
-0:06
25.2M
25.20 mi14:15:303:49:319:063:35
10:23
+1:02
Finish
26.22 mi14:24:243:58:259:068:54
8:44
-1:39

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

8:20 /mi

Average Pace

9:06 /mi

Slowest Pace

10:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:03

31% of race

Time at Steady Pace

2:29:53

63% of race

Time at Slower Pace

14:29

6% of race

Average Pace: 9:06 /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 mi10:51:5225:538:2025:53
8:20
#16351
10K
6.21 mi11:18:2752:288:2726:35
8:33
#17494
15K
9.32 mi11:46:301:20:318:3828:03
9:02
#18688
20K
12.43 mi12:15:011:49:028:4628:31
9:11
#19193
Half
13.11 mi12:21:031:55:048:476:02
8:51
#19214
25K
15.53 mi12:43:262:17:278:5122:23
9:14
#19344
30K
18.64 mi13:12:252:46:268:5628:59
9:20
#19247
20M
20.00 mi13:25:182:59:198:5812:53
9:29
#19197
21M
21.00 mi13:36:123:10:139:0310:54
10:54
#19315
35K
21.75 mi13:42:513:16:529:036:39
8:53
#19249
23M
23.00 mi13:54:283:28:299:0411:37
9:17
#19142
24M
24.00 mi14:03:553:37:569:059:27
9:27
#19133
40K
24.85 mi14:11:553:45:569:058:00
9:21
#19088
25.2M
25.20 mi14:15:303:49:319:063:35
10:23
#19094
Finish
26.22 mi14:24:243:58:259:068:54
8:44
#19024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16351108331083320619(Top 77%)12576(Top 83%)12576(Top 238%)
10K6.21 mi3.10 mi17494-114311253-42011253-42018593(Top 70%)11745(Top 77%)11745(Top 222%)
15K9.32 mi3.11 mi18688-119411735-48211735-48220619(Top 77%)12576(Top 83%)12576(Top 238%)
20K12.43 mi3.11 mi19193-50511941-20611941-20620475(Top 77%)12506(Top 82%)12506(Top 237%)
Half13.11 mi0.68 mi19214-2111950-911950-919683(Top 74%)12168(Top 80%)12168(Top 230%)
25K15.53 mi2.42 mi19344-13011998-4811998-4819950(Top 75%)12267(Top 81%)12267(Top 232%)
30K18.64 mi3.11 mi19247+9711942+5611942+5618741(Top 70%)11669(Top 77%)11669(Top 221%)
20M20.00 mi1.36 mi19197+5011911+3111911+3118780(Top 71%)11580(Top 76%)11580(Top 219%)
21M21.00 mi1.00 mi19315-11811942-3111942-3120588(Top 77%)12330(Top 81%)12330(Top 233%)
35K21.75 mi0.75 mi19249+6611913+2911913+2917376(Top 65%)10875(Top 72%)10875(Top 206%)
23M23.00 mi1.25 mi19142+10711853+6011853+6017408(Top 65%)10884(Top 72%)10884(Top 206%)
24M24.00 mi1.00 mi19133+911842+1111842+1119022(Top 71%)11540(Top 76%)11540(Top 218%)
40K24.85 mi0.85 mi19088+4511815+2711815+2717771(Top 67%)10930(Top 72%)10930(Top 207%)
25.2M25.20 mi0.35 mi19094-611818-311818-318727(Top 70%)11355(Top 75%)11355(Top 215%)
Finish26.22 mi1.02 mi19024+7011779+3911779+3916666(Top 63%)10465(Top 69%)10465(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20619

Males

12576

M18-39

12576

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18593

Males

11745

M18-39

11745

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20619

Males

12576

M18-39

12576

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20475

Males

12506

M18-39

12506

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19683

Males

12168

M18-39

12168

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19950

Males

12267

M18-39

12267

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18741

Males

11669

M18-39

11669

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18780

Males

11580

M18-39

11580

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20588

Males

12330

M18-39

12330

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17376

Males

10875

M18-39

10875

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17408

Males

10884

M18-39

10884

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

19022

Males

11540

M18-39

11540

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17771

Males

10930

M18-39

10930

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18727

Males

11355

M18-39

11355

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16666

Males

10465

M18-39

10465

Passing Analysis

Category:
Athletes Passed
1016
Passed By
3689
Net Change
-2673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16351
5K → 10K481191-1143#16351#17494
10K → 15K141208-1194#17494#18688
15K → 20K47552-505#18688#19193
20K → Half2142-21#19193#19214
Half → 25K84214-130#19214#19344
25K → 30K205108+97#19344#19247
30K → 20M10555+50#19247#19197
20M → 21M46164-118#19197#19315
21M → 35K737+66#19315#19249
35K → 23M13326+107#19249#19142
23M → 24M6152+9#19142#19133
24M → 40K7025+45#19133#19088
40K → 25.2M2228-6#19088#19094
25.2M → Finish8717+70#19094#19024
TOTALS10163689-2673
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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