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BOSTON MARATHON 2023

Nathaniel Fredin

Bib: 4794•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #6595
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
44:15
Rank: #7249 (-654)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:06:47
Rank: #7524 (-275)
10K → 15K
22:32 | 7:15/mi
20K· 12.43 mi
1:30:15
Rank: #7986 (-462)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:35:25
Rank: #8103 (-117)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
1:54:20
Rank: #8512 (-409)
Half → 25K
18:55 | 7:48/mi
30K· 18.64 mi
2:19:05
Rank: #8836 (-324)
25K → 30K
24:45 | 7:58/mi
20M
2:29:56
Rank: #8922 (-86)
30K → 20M
10:51 | 7:59/mi
21M
2:38:29
Rank: #9002 (-80)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:44:11
Rank: #9007 (-5)
21M → 35K
5:42 | 7:37/mi
23M
2:54:13
Rank: #9030 (-23)
35K → 23M
10:02 | 8:01/mi
24M
3:01:53
Rank: #9008 (+22)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:08:35
Rank: #8983 (+25)
24M → 40K
6:42 | 7:50/mi
25.2M
3:11:35
Rank: #8992 (-9)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:19:20
Rank: #8986 (+6)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:43:55
Pace7:56 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1521:557:0321:55
7:03
-
10K
6.21 mi10:46:3544:157:0722:20
7:11
+0:08
15K
9.32 mi11:09:071:06:477:1022:32
7:15
+0:04
20K
12.43 mi11:32:351:30:157:1623:28
7:33
+0:18
Half
13.11 mi11:37:451:35:257:175:10
7:34
+0:01
25K
15.53 mi11:56:401:54:207:2218:55
7:48
+0:14
30K
18.64 mi12:21:252:19:057:2824:45
7:58
+0:10
20M
20.00 mi12:32:162:29:567:3010:51
7:59
+0:01
21M
21.00 mi12:40:492:38:297:338:33
8:33
+0:34
35K
21.75 mi12:46:312:44:117:335:42
7:37
-0:56
23M
23.00 mi12:56:332:54:137:3410:02
8:01
+0:24
24M
24.00 mi13:04:133:01:537:357:40
7:40
-0:21
40K
24.85 mi13:10:553:08:357:356:42
7:50
+0:10
25.2M
25.20 mi13:13:553:11:357:363:00
8:42
+0:52
Finish
26.22 mi13:21:403:19:207:367:45
7:36
-1:06

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

7:03 /mi

Average Pace

7:36 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:47

34% of race

Time at Steady Pace

1:15:22

38% of race

Time at Slower Pace

57:11

29% of race

Average Pace: 7:36 /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 mi10:24:1521:557:0321:55
7:03
#6595
10K
6.21 mi10:46:3544:157:0722:20
7:11
#7249
15K
9.32 mi11:09:071:06:477:1022:32
7:15
#7524
20K
12.43 mi11:32:351:30:157:1623:28
7:33
#7986
Half
13.11 mi11:37:451:35:257:175:10
7:34
#8103
25K
15.53 mi11:56:401:54:207:2218:55
7:48
#8512
30K
18.64 mi12:21:252:19:057:2824:45
7:58
#8836
20M
20.00 mi12:32:162:29:567:3010:51
7:59
#8922
21M
21.00 mi12:40:492:38:297:338:33
8:33
#9002
35K
21.75 mi12:46:312:44:117:335:42
7:37
#9007
23M
23.00 mi12:56:332:54:137:3410:02
8:01
#9030
24M
24.00 mi13:04:133:01:537:357:40
7:40
#9008
40K
24.85 mi13:10:553:08:357:356:42
7:50
#8983
25.2M
25.20 mi13:13:553:11:357:363:00
8:42
#8992
Finish
26.22 mi13:21:403:19:207:367:45
7:36
#8986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6595596059608165(Top 31%)7032(Top 46%)7032(Top 314%)
10K6.21 mi3.10 mi7249-6546441-4816441-4818016(Top 30%)6953(Top 46%)6953(Top 310%)
15K9.32 mi3.11 mi7524-2756636-1956636-1958165(Top 31%)7032(Top 46%)7032(Top 314%)
20K12.43 mi3.11 mi7986-4626927-2916927-2919715(Top 36%)7911(Top 52%)7911(Top 353%)
Half13.11 mi0.68 mi8103-1177008-817008-8110726(Top 40%)8452(Top 56%)8452(Top 377%)
25K15.53 mi2.42 mi8512-4097238-2307238-23011084(Top 42%)8539(Top 56%)8539(Top 381%)
30K18.64 mi3.11 mi8836-3247407-1697407-16910603(Top 40%)8138(Top 54%)8138(Top 363%)
20M20.00 mi1.36 mi8922-867437-307437-3010125(Top 38%)7813(Top 51%)7813(Top 349%)
21M21.00 mi1.00 mi9002-807458-217458-2110730(Top 40%)7971(Top 53%)7971(Top 356%)
35K21.75 mi0.75 mi9007-57451+77451+79368(Top 35%)7273(Top 48%)7273(Top 325%)
23M23.00 mi1.25 mi9030-237437+147437+149814(Top 37%)7382(Top 49%)7382(Top 329%)
24M24.00 mi1.00 mi9008+227397+407397+408832(Top 33%)6801(Top 45%)6801(Top 303%)
40K24.85 mi0.85 mi8983+257367+307367+308890(Top 33%)6752(Top 44%)6752(Top 301%)
25.2M25.20 mi0.35 mi8992-97365+27365+210682(Top 40%)7639(Top 50%)7639(Top 341%)
Finish26.22 mi1.02 mi8986+67335+307335+309289(Top 35%)6909(Top 46%)6909(Top 308%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8165

Males

7032

M40-44

7032

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8016

Males

6953

M40-44

6953

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8165

Males

7032

M40-44

7032

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9715

Males

7911

M40-44

7911

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10726

Males

8452

M40-44

8452

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11084

Males

8539

M40-44

8539

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10603

Males

8138

M40-44

8138

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10125

Males

7813

M40-44

7813

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10730

Males

7971

M40-44

7971

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9368

Males

7273

M40-44

7273

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9814

Males

7382

M40-44

7382

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8832

Males

6801

M40-44

6801

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8890

Males

6752

M40-44

6752

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10682

Males

7639

M40-44

7639

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9289

Males

6909

M40-44

6909

Passing Analysis

Category:
Athletes Passed
660
Passed By
3051
Net Change
-2391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6595
5K → 10K30684-654#6595#7249
10K → 15K50325-275#7249#7524
15K → 20K28490-462#7524#7986
20K → Half3120-117#7986#8103
Half → 25K30439-409#8103#8512
25K → 30K81405-324#8512#8836
30K → 20M53139-86#8836#8922
20M → 21M54134-80#8922#9002
21M → 35K3641-5#9002#9007
35K → 23M7295-23#9007#9030
23M → 24M7553+22#9030#9008
24M → 40K6035+25#9008#8983
40K → 25.2M2534-9#8983#8992
25.2M → Finish6357+6#8992#8986
TOTALS6603051-2391
📊

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