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BOSTON MARATHON 2023

Nathan Swisher

Bib: 4453•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #2448
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:12
Rank: #2326 (+122)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
1:00:03
Rank: #2217 (+109)
10K → 15K
19:51 | 6:23/mi
20K· 12.43 mi
1:20:10
Rank: #2197 (+20)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:29
Rank: #2182 (+15)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:40:06
Rank: #2116 (+66)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:00:38
Rank: #2075 (+41)
25K → 30K
20:32 | 6:37/mi
20M
2:09:37
Rank: #2047 (+28)
30K → 20M
8:59 | 6:37/mi
21M
2:16:31
Rank: #2011 (+36)
20M → 21M
6:54 | 6:54/mi
35K· 21.75 mi
2:21:12
Rank: #1979 (+32)
21M → 35K
4:41 | 6:16/mi
23M
2:29:30
Rank: #1939 (+40)
35K → 23M
8:18 | 6:38/mi
24M
2:36:00
Rank: #1931 (+8)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:41:28
Rank: #1875 (+56)
24M → 40K
5:28 | 6:24/mi
25.2M
2:43:51
Rank: #1860 (+15)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:50:20
Rank: #1826 (+34)
25.2M → Finish
6:29 | 6:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:29
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:25:51
Pace6:33 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3620:186:3220:18
6:32
-
10K
6.21 mi10:42:3040:126:2819:54
6:24
-0:08
15K
9.32 mi11:02:211:00:036:2719:51
6:23
-0:01
20K
12.43 mi11:22:281:20:106:2720:07
6:28
+0:05
Half
13.11 mi11:26:471:24:296:274:19
6:20
-0:08
25K
15.53 mi11:42:241:40:066:2715:37
6:26
+0:06
30K
18.64 mi12:02:562:00:386:2820:32
6:37
+0:11
20M
20.00 mi12:11:552:09:376:298:59
6:37
0:00
21M
21.00 mi12:18:492:16:316:306:54
6:54
+0:17
35K
21.75 mi12:23:302:21:126:304:41
6:16
-0:38
23M
23.00 mi12:31:482:29:306:308:18
6:38
+0:22
24M
24.00 mi12:38:182:36:006:306:30
6:30
-0:08
40K
24.85 mi12:43:462:41:286:305:28
6:24
-0:06
25.2M
25.20 mi12:46:092:43:516:302:23
6:55
+0:31
Finish
26.22 mi12:52:382:50:206:306:29
6:22
-0:33

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

6:16 /mi

Average Pace

6:30 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:03

95% of race

Time at Steady Pace

9:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:22:3620:186:3220:18
6:32
#2448
10K
6.21 mi10:42:3040:126:2819:54
6:24
#2326
15K
9.32 mi11:02:211:00:036:2719:51
6:23
#2217
20K
12.43 mi11:22:281:20:106:2720:07
6:28
#2197
Half
13.11 mi11:26:471:24:296:274:19
6:20
#2182
25K
15.53 mi11:42:241:40:066:2715:37
6:26
#2116
30K
18.64 mi12:02:562:00:386:2820:32
6:37
#2075
20M
20.00 mi12:11:552:09:376:298:59
6:37
#2047
21M
21.00 mi12:18:492:16:316:306:54
6:54
#2011
35K
21.75 mi12:23:302:21:126:304:41
6:16
#1979
23M
23.00 mi12:31:482:29:306:308:18
6:38
#1939
24M
24.00 mi12:38:182:36:006:306:30
6:30
#1931
40K
24.85 mi12:43:462:41:286:305:28
6:24
#1875
25.2M
25.20 mi12:46:092:43:516:302:23
6:55
#1860
Finish
26.22 mi12:52:382:50:206:306:29
6:22
#1826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2448233423342034(Top 8%)1949(Top 13%)1949(Top 37%)
10K6.21 mi3.10 mi2326+1222221+1132221+1132259(Top 8%)2162(Top 14%)2162(Top 41%)
15K9.32 mi3.11 mi2217+1092125+962125+962034(Top 8%)1949(Top 13%)1949(Top 37%)
20K12.43 mi3.11 mi2197+202105+202105+202150(Top 8%)2062(Top 14%)2062(Top 39%)
Half13.11 mi0.68 mi2182+152090+152090+151881(Top 7%)1806(Top 12%)1806(Top 34%)
25K15.53 mi2.42 mi2116+662030+602030+601908(Top 7%)1828(Top 12%)1828(Top 35%)
30K18.64 mi3.11 mi2075+411991+391991+391989(Top 7%)1902(Top 13%)1902(Top 36%)
20M20.00 mi1.36 mi2047+281962+291962+291898(Top 7%)1810(Top 12%)1810(Top 34%)
21M21.00 mi1.00 mi2011+361926+361926+361756(Top 7%)1669(Top 11%)1669(Top 32%)
35K21.75 mi0.75 mi1979+321895+311895+311449(Top 5%)1375(Top 9%)1375(Top 26%)
23M23.00 mi1.25 mi1939+401858+371858+371880(Top 7%)1782(Top 12%)1782(Top 34%)
24M24.00 mi1.00 mi1931+81849+91849+92082(Top 8%)1952(Top 13%)1952(Top 37%)
40K24.85 mi0.85 mi1875+561794+551794+551195(Top 4%)1130(Top 7%)1130(Top 21%)
25.2M25.20 mi0.35 mi1860+151779+151779+151469(Top 6%)1386(Top 9%)1386(Top 26%)
Finish26.22 mi1.02 mi1826+341744+351744+351859(Top 7%)1737(Top 11%)1737(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2034

Males

1949

M18-39

1949

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2259

Males

2162

M18-39

2162

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2034

Males

1949

M18-39

1949

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2150

Males

2062

M18-39

2062

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1881

Males

1806

M18-39

1806

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1908

Males

1828

M18-39

1828

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1989

Males

1902

M18-39

1902

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1898

Males

1810

M18-39

1810

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1756

Males

1669

M18-39

1669

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1449

Males

1375

M18-39

1375

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1880

Males

1782

M18-39

1782

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2082

Males

1952

M18-39

1952

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1195

Males

1130

M18-39

1130

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1469

Males

1386

M18-39

1386

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1859

Males

1737

M18-39

1737

Passing Analysis

Category:
Athletes Passed
941
Passed By
319
Net Change
+622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2448
5K → 10K19977+122#2448#2326
10K → 15K14132+109#2326#2217
15K → 20K6545+20#2217#2197
20K → Half194+15#2197#2182
Half → 25K7812+66#2182#2116
25K → 30K8948+41#2116#2075
30K → 20M4719+28#2075#2047
20M → 21M4913+36#2047#2011
21M → 35K386+32#2011#1979
35K → 23M5616+40#1979#1939
23M → 24M3527+8#1939#1931
24M → 40K604+56#1931#1875
40K → 25.2M205+15#1875#1860
25.2M → Finish4511+34#1860#1826
TOTALS941319+622
📊

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