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BOSTON MARATHON 2023

Scott Relf

Bib: 17308•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M60-64)
#0 / 1110
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11562
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
47:37
Rank: #11453 (+109)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:11:33
Rank: #11579 (-126)
10K → 15K
23:56 | 7:42/mi
20K· 12.43 mi
1:35:56
Rank: #11678 (-99)
15K → 20K
24:23 | 7:51/mi
Half· 13.11 mi
1:41:19
Rank: #11782 (-104)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:00:15
Rank: #11623 (+159)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:24:48
Rank: #11310 (+313)
25K → 30K
24:33 | 7:54/mi
20M
2:35:42
Rank: #11226 (+84)
30K → 20M
10:54 | 8:01/mi
21M
2:44:07
Rank: #11115 (+111)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:49:47
Rank: #11036 (+79)
21M → 35K
5:40 | 7:34/mi
23M
2:59:40
Rank: #10885 (+151)
35K → 23M
9:53 | 7:54/mi
24M
3:07:22
Rank: #10788 (+97)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:14:01
Rank: #10673 (+115)
24M → 40K
6:39 | 7:47/mi
25.2M
3:16:58
Rank: #10655 (+18)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:24:32
Rank: #10516 (+139)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0823:587:4323:58
7:43
-
10K
6.21 mi11:38:4747:377:4023:39
7:37
-0:06
15K
9.32 mi12:02:431:11:337:4123:56
7:42
+0:05
20K
12.43 mi12:27:061:35:567:4324:23
7:51
+0:09
Half
13.11 mi12:32:291:41:197:445:23
7:53
+0:02
25K
15.53 mi12:51:252:00:157:4418:56
7:49
-0:04
30K
18.64 mi13:15:582:24:487:4624:33
7:54
+0:05
20M
20.00 mi13:26:522:35:427:4710:54
8:01
+0:07
21M
21.00 mi13:35:172:44:077:498:25
8:25
+0:24
35K
21.75 mi13:40:572:49:477:485:40
7:34
-0:51
23M
23.00 mi13:50:502:59:407:499:53
7:54
+0:20
24M
24.00 mi13:58:323:07:227:487:42
7:42
-0:12
40K
24.85 mi14:05:113:14:017:486:39
7:47
+0:05
25.2M
25.20 mi14:08:083:16:587:492:57
8:33
+0:46
Finish
26.22 mi14:15:423:24:327:487:34
7:26
-1:07

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

7:26 /mi

Average Pace

7:48 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:10

94% of race

Time at Steady Pace

11:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:15:0823:587:4323:58
7:43
#11562
10K
6.21 mi11:38:4747:377:4023:39
7:37
#11453
15K
9.32 mi12:02:431:11:337:4123:56
7:42
#11579
20K
12.43 mi12:27:061:35:567:4324:23
7:51
#11678
Half
13.11 mi12:32:291:41:197:445:23
7:53
#11782
25K
15.53 mi12:51:252:00:157:4418:56
7:49
#11623
30K
18.64 mi13:15:582:24:487:4624:33
7:54
#11310
20M
20.00 mi13:26:522:35:427:4710:54
8:01
#11226
21M
21.00 mi13:35:172:44:077:498:25
8:25
#11115
35K
21.75 mi13:40:572:49:477:485:40
7:34
#11036
23M
23.00 mi13:50:502:59:407:499:53
7:54
#10885
24M
24.00 mi13:58:323:07:227:487:42
7:42
#10788
40K
24.85 mi14:05:113:14:017:486:39
7:47
#10673
25.2M
25.20 mi14:08:083:16:587:492:57
8:33
#10655
Finish
26.22 mi14:15:423:24:327:487:34
7:26
#10516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi115628924892411858(Top 45%)9016(Top 59%)9016(Top 812%)
10K6.21 mi3.10 mi11453+1098859+658859+6511424(Top 43%)8840(Top 58%)8840(Top 796%)
15K9.32 mi3.11 mi11579-1268914-558914-5511858(Top 45%)9016(Top 59%)9016(Top 812%)
20K12.43 mi3.11 mi11678-998931-178931-1712128(Top 46%)9063(Top 60%)9063(Top 816%)
Half13.11 mi0.68 mi11782-1048977-468977-4613435(Top 50%)9640(Top 64%)9640(Top 868%)
25K15.53 mi2.42 mi11623+1598893+848893+8411142(Top 42%)8566(Top 56%)8566(Top 772%)
30K18.64 mi3.11 mi11310+3138699+1948699+19410148(Top 38%)7903(Top 52%)7903(Top 712%)
20M20.00 mi1.36 mi11226+848652+478652+4710406(Top 39%)7964(Top 52%)7964(Top 717%)
21M21.00 mi1.00 mi11115+1118582+708582+709951(Top 37%)7580(Top 50%)7580(Top 683%)
35K21.75 mi0.75 mi11036+798532+508532+509084(Top 34%)7127(Top 47%)7127(Top 642%)
23M23.00 mi1.25 mi10885+1518427+1058427+1059025(Top 34%)6979(Top 46%)6979(Top 629%)
24M24.00 mi1.00 mi10788+978356+718356+719077(Top 34%)6933(Top 46%)6933(Top 625%)
40K24.85 mi0.85 mi10673+1158270+868270+868523(Top 32%)6575(Top 43%)6575(Top 592%)
25.2M25.20 mi0.35 mi10655+188246+248246+249827(Top 37%)7213(Top 48%)7213(Top 650%)
Finish26.22 mi1.02 mi10516+1398146+1008146+1007957(Top 30%)6149(Top 41%)6149(Top 554%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11858

Males

9016

M60-64

9016

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11424

Males

8840

M60-64

8840

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11858

Males

9016

M60-64

9016

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12128

Males

9063

M60-64

9063

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13435

Males

9640

M60-64

9640

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11142

Males

8566

M60-64

8566

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10148

Males

7903

M60-64

7903

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10406

Males

7964

M60-64

7964

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9951

Males

7580

M60-64

7580

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9084

Males

7127

M60-64

7127

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9025

Males

6979

M60-64

6979

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9077

Males

6933

M60-64

6933

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8523

Males

6575

M60-64

6575

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9827

Males

7213

M60-64

7213

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7957

Males

6149

M60-64

6149

Passing Analysis

Category:
Athletes Passed
2190
Passed By
1144
Net Change
+1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11562
5K → 10K354245+109#11562#11453
10K → 15K132258-126#11453#11579
15K → 20K124223-99#11579#11678
20K → Half6110-104#11678#11782
Half → 25K22061+159#11782#11623
25K → 30K35845+313#11623#11310
30K → 20M13753+84#11310#11226
20M → 21M14231+111#11226#11115
21M → 35K9314+79#11115#11036
35K → 23M17322+151#11036#10885
23M → 24M12427+97#10885#10788
24M → 40K13318+115#10788#10673
40K → 25.2M3820+18#10673#10655
25.2M → Finish15617+139#10655#10516
TOTALS21901144+1046
📊

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