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BOSTON MARATHON 2023

Nels Traffie

Bib: 4156•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M45-49)
#0 / 2252
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:05
Rank: #4539
Start → 5K
21:05 | 6:47/mi
10K· 6.21 mi
41:56
Rank: #4461 (+78)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:49
Rank: #4403 (+58)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:59
Rank: #4420 (-17)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:28:34
Rank: #4416 (+4)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:03
Rank: #4351 (+65)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:06:32
Rank: #4195 (+156)
25K → 30K
21:29 | 6:55/mi
20M
2:15:55
Rank: #4111 (+84)
30K → 20M
9:23 | 6:54/mi
21M
2:23:11
Rank: #4036 (+75)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:28:11
Rank: #3993 (+43)
21M → 35K
5:00 | 6:41/mi
23M
2:36:54
Rank: #3943 (+50)
35K → 23M
8:43 | 6:58/mi
24M
2:43:36
Rank: #3880 (+63)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:49:25
Rank: #3806 (+74)
24M → 40K
5:49 | 6:48/mi
25.2M
2:51:56
Rank: #3778 (+28)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:58:51
Rank: #3798 (-20)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:34
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5921:056:4721:05
6:47
-
10K
6.21 mi10:43:5041:566:4520:51
6:43
-0:04
15K
9.32 mi11:04:431:02:496:4420:53
6:43
0:00
20K
12.43 mi11:25:531:23:596:4521:10
6:49
+0:06
Half
13.11 mi11:30:281:28:346:454:35
6:43
-0:06
25K
15.53 mi11:46:571:45:036:4616:29
6:48
+0:05
30K
18.64 mi12:08:262:06:326:4721:29
6:55
+0:07
20M
20.00 mi12:17:492:15:556:489:23
6:54
-0:01
21M
21.00 mi12:25:052:23:116:497:16
7:16
+0:22
35K
21.75 mi12:30:052:28:116:495:00
6:41
-0:35
23M
23.00 mi12:38:482:36:546:498:43
6:58
+0:17
24M
24.00 mi12:45:302:43:366:496:42
6:42
-0:16
40K
24.85 mi12:51:192:49:256:495:49
6:48
+0:06
25.2M
25.20 mi12:53:502:51:566:492:31
7:18
+0:30
Finish
26.22 mi13:00:452:58:516:506:55
6:47
-0:31

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

6:41 /mi

Average Pace

6:50 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:04

95% of race

Time at Steady Pace

9:47

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:22:5921:056:4721:05
6:47
#4539
10K
6.21 mi10:43:5041:566:4520:51
6:43
#4461
15K
9.32 mi11:04:431:02:496:4420:53
6:43
#4403
20K
12.43 mi11:25:531:23:596:4521:10
6:49
#4420
Half
13.11 mi11:30:281:28:346:454:35
6:43
#4416
25K
15.53 mi11:46:571:45:036:4616:29
6:48
#4351
30K
18.64 mi12:08:262:06:326:4721:29
6:55
#4195
20M
20.00 mi12:17:492:15:556:489:23
6:54
#4111
21M
21.00 mi12:25:052:23:116:497:16
7:16
#4036
35K
21.75 mi12:30:052:28:116:495:00
6:41
#3993
23M
23.00 mi12:38:482:36:546:498:43
6:58
#3943
24M
24.00 mi12:45:302:43:366:496:42
6:42
#3880
40K
24.85 mi12:51:192:49:256:495:49
6:48
#3806
25.2M
25.20 mi12:53:502:51:566:492:31
7:18
#3778
Finish
26.22 mi13:00:452:58:516:506:55
6:47
#3798
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4539423342334333(Top 16%)4058(Top 27%)4058(Top 180%)
10K6.21 mi3.10 mi4461+784172+614172+614430(Top 17%)4141(Top 27%)4141(Top 184%)
15K9.32 mi3.11 mi4403+584120+524120+524333(Top 16%)4058(Top 27%)4058(Top 180%)
20K12.43 mi3.11 mi4420-174134-144134-144539(Top 17%)4228(Top 28%)4228(Top 188%)
Half13.11 mi0.68 mi4416+44133+14133+14463(Top 17%)4155(Top 27%)4155(Top 185%)
25K15.53 mi2.42 mi4351+654075+584075+584122(Top 15%)3862(Top 25%)3862(Top 171%)
30K18.64 mi3.11 mi4195+1563938+1373938+1373761(Top 14%)3527(Top 23%)3527(Top 157%)
20M20.00 mi1.36 mi4111+843861+773861+773463(Top 13%)3235(Top 21%)3235(Top 144%)
21M21.00 mi1.00 mi4036+753788+733788+733453(Top 13%)3211(Top 21%)3211(Top 143%)
35K21.75 mi0.75 mi3993+433748+403748+403470(Top 13%)3222(Top 21%)3222(Top 143%)
23M23.00 mi1.25 mi3943+503700+483700+483582(Top 13%)3321(Top 22%)3321(Top 147%)
24M24.00 mi1.00 mi3880+633642+583642+583118(Top 12%)2893(Top 19%)2893(Top 128%)
40K24.85 mi0.85 mi3806+743577+653577+652857(Top 11%)2631(Top 17%)2631(Top 117%)
25.2M25.20 mi0.35 mi3778+283551+263551+262959(Top 11%)2714(Top 18%)2714(Top 121%)
Finish26.22 mi1.02 mi3798-203566-153566-153996(Top 15%)3535(Top 23%)3535(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4333

Males

4058

M45-49

4058

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4430

Males

4141

M45-49

4141

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4333

Males

4058

M45-49

4058

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4539

Males

4228

M45-49

4228

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4463

Males

4155

M45-49

4155

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4122

Males

3862

M45-49

3862

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3761

Males

3527

M45-49

3527

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3463

Males

3235

M45-49

3235

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3453

Males

3211

M45-49

3211

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3470

Males

3222

M45-49

3222

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3582

Males

3321

M45-49

3321

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3118

Males

2893

M45-49

2893

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2857

Males

2631

M45-49

2631

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2959

Males

2714

M45-49

2714

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3996

Males

3535

M45-49

3535

Passing Analysis

Category:
Athletes Passed
1438
Passed By
697
Net Change
+741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4539
5K → 10K248170+78#4539#4461
10K → 15K15395+58#4461#4403
15K → 20K97114-17#4403#4420
20K → Half2218+4#4420#4416
Half → 25K11752+65#4416#4351
25K → 30K19438+156#4351#4195
30K → 20M11026+84#4195#4111
20M → 21M10530+75#4111#4036
21M → 35K5714+43#4036#3993
35K → 23M8333+50#3993#3943
23M → 24M8118+63#3943#3880
24M → 40K9319+74#3880#3806
40K → 25.2M368+28#3806#3778
25.2M → Finish4262-20#3778#3798
TOTALS1438697+741
📊

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