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BOSTON MARATHON 2023

Nate Stemple

Bib: 25852•M

MA

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
30:00
Rank: #22531
Start → 5K
30:00 | 9:39/mi
10K· 6.21 mi
57:29
Rank: #21567 (+964)
5K → 10K
27:29 | 8:51/mi
15K· 9.32 mi
1:25:19
Rank: #21220 (+347)
10K → 15K
27:50 | 8:58/mi
20K· 12.43 mi
1:53:51
Rank: #21041 (+179)
15K → 20K
28:32 | 9:11/mi
Half· 13.11 mi
2:00:00
Rank: #21007 (+34)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:23:08
Rank: #20980 (+27)
Half → 25K
23:08 | 9:32/mi
30K· 18.64 mi
2:54:46
Rank: #21093 (-113)
25K → 30K
31:38 | 10:11/mi
20M
3:08:50
Rank: #21096 (-3)
30K → 20M
14:04 | 10:21/mi
21M
3:19:53
Rank: #21089 (+7)
20M → 21M
11:03 | 11:03/mi
35K· 21.75 mi
3:27:21
Rank: #21088 (+1)
21M → 35K
7:28 | 9:59/mi
23M
3:39:55
Rank: #21005 (+83)
35K → 23M
12:34 | 10:02/mi
24M
3:49:42
Rank: #20953 (+52)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
3:58:38
Rank: #20946 (+7)
24M → 40K
8:56 | 10:27/mi
25.2M
4:02:15
Rank: #20909 (+37)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:11:25
Rank: #20812 (+97)
25.2M → Finish
9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:00
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:11:25
Pace10:01 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1930:009:3930:00
9:39
-
10K
6.21 mi12:13:4857:299:1527:29
8:51
-0:48
15K
9.32 mi12:41:381:25:199:0927:50
8:58
+0:07
20K
12.43 mi13:10:101:53:519:1028:32
9:11
+0:13
Half
13.11 mi13:16:192:00:009:096:09
9:01
-0:10
25K
15.53 mi13:39:272:23:089:1323:08
9:32
+0:31
30K
18.64 mi14:11:052:54:469:2331:38
10:11
+0:39
20M
20.00 mi14:25:093:08:509:2614:04
10:21
+0:10
21M
21.00 mi14:36:123:19:539:3111:03
11:03
+0:42
35K
21.75 mi14:43:403:27:219:327:28
9:59
-1:04
23M
23.00 mi14:56:143:39:559:3412:34
10:02
+0:03
24M
24.00 mi15:06:013:49:429:349:47
9:47
-0:15
40K
24.85 mi15:14:573:58:389:368:56
10:27
+0:40
25.2M
25.20 mi15:18:344:02:159:373:37
10:29
+0:02
Finish
26.22 mi15:27:444:11:259:369:10
9:00
-1:29

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

8:51 /mi

Average Pace

9:36 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:10

39% of race

Time at Steady Pace

1:22:57

33% of race

Time at Slower Pace

1:09:18

28% of race

Average Pace: 9:35 /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 mi11:46:1930:009:3930:00
9:39
#22531
10K
6.21 mi12:13:4857:299:1527:29
8:51
#21567
15K
9.32 mi12:41:381:25:199:0927:50
8:58
#21220
20K
12.43 mi13:10:101:53:519:1028:32
9:11
#21041
Half
13.11 mi13:16:192:00:009:096:09
9:01
#21007
25K
15.53 mi13:39:272:23:089:1323:08
9:32
#20980
30K
18.64 mi14:11:052:54:469:2331:38
10:11
#21093
20M
20.00 mi14:25:093:08:509:2614:04
10:21
#21096
21M
21.00 mi14:36:123:19:539:3111:03
11:03
#21089
35K
21.75 mi14:43:403:27:219:327:28
9:59
#21088
23M
23.00 mi14:56:143:39:559:3412:34
10:02
#21005
24M
24.00 mi15:06:013:49:429:349:47
9:47
#20953
40K
24.85 mi15:14:573:58:389:368:56
10:27
#20946
25.2M
25.20 mi15:18:344:02:159:373:37
10:29
#20909
Finish
26.22 mi15:27:444:11:259:369:10
9:00
#20812
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22531133571335720305(Top 76%)12440(Top 82%)12440(Top 235%)
10K6.21 mi3.10 mi21567+96412933+42412933+42420161(Top 76%)12346(Top 81%)12346(Top 234%)
15K9.32 mi3.11 mi21220+34712798+13512798+13520305(Top 76%)12440(Top 82%)12440(Top 235%)
20K12.43 mi3.11 mi21041+17912719+7912719+7920498(Top 77%)12520(Top 82%)12520(Top 237%)
Half13.11 mi0.68 mi21007+3412715+412715+420484(Top 77%)12509(Top 82%)12509(Top 237%)
25K15.53 mi2.42 mi20980+2712705+1012705+1020962(Top 79%)12691(Top 84%)12691(Top 240%)
30K18.64 mi3.11 mi21093-11312735-3012735-3021488(Top 81%)12838(Top 85%)12838(Top 243%)
20M20.00 mi1.36 mi21096-312721+1412721+1421392(Top 80%)12733(Top 84%)12733(Top 241%)
21M21.00 mi1.00 mi21089+712697+2412697+2420921(Top 79%)12487(Top 82%)12487(Top 236%)
35K21.75 mi0.75 mi21088+112693+412693+421188(Top 80%)12570(Top 83%)12570(Top 238%)
23M23.00 mi1.25 mi21005+8312649+4412649+4420088(Top 75%)12061(Top 79%)12061(Top 228%)
24M24.00 mi1.00 mi20953+5212613+3612613+3620159(Top 76%)12079(Top 80%)12079(Top 229%)
40K24.85 mi0.85 mi20946+712599+1412599+1421081(Top 79%)12397(Top 82%)12397(Top 235%)
25.2M25.20 mi0.35 mi20909+3712580+1912580+1919046(Top 72%)11502(Top 76%)11502(Top 218%)
Finish26.22 mi1.02 mi20812+9712525+5512525+5517954(Top 67%)11050(Top 73%)11050(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20305

Males

12440

M18-39

12440

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20161

Males

12346

M18-39

12346

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20305

Males

12440

M18-39

12440

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20498

Males

12520

M18-39

12520

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20484

Males

12509

M18-39

12509

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

20962

Males

12691

M18-39

12691

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21488

Males

12838

M18-39

12838

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21392

Males

12733

M18-39

12733

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20921

Males

12487

M18-39

12487

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21188

Males

12570

M18-39

12570

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20088

Males

12061

M18-39

12061

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20159

Males

12079

M18-39

12079

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21081

Males

12397

M18-39

12397

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19046

Males

11502

M18-39

11502

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17954

Males

11050

M18-39

11050

Passing Analysis

Category:
Athletes Passed
2435
Passed By
716
Net Change
+1719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22531
5K → 10K98622+964#22531#21567
10K → 15K38942+347#21567#21220
15K → 20K24364+179#21220#21041
20K → Half5117+34#21041#21007
Half → 25K11588+27#21007#20980
25K → 30K112225-113#20980#21093
30K → 20M6972-3#21093#21096
20M → 21M6760+7#21096#21089
21M → 35K4140+1#21089#21088
35K → 23M10825+83#21088#21005
23M → 24M7119+52#21005#20953
24M → 40K3730+7#20953#20946
40K → 25.2M414+37#20946#20909
25.2M → Finish1058+97#20909#20812
TOTALS2435716+1719
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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