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BOSTON MARATHON 2023

Randall Scarborough

Bib: 13672•M

MO

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 (M55-59)
#0 / 1422
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #9571
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
45:56
Rank: #9126 (+445)
5K → 10K
22:39 | 7:17/mi
15K· 9.32 mi
1:08:29
Rank: #8819 (+307)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:31:16
Rank: #8587 (+232)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:36:24
Rank: #8662 (-75)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:55:18
Rank: #9002 (-340)
Half → 25K
18:54 | 7:48/mi
30K· 18.64 mi
2:20:29
Rank: #9453 (-451)
25K → 30K
25:11 | 8:06/mi
20M
2:31:36
Rank: #9598 (-145)
30K → 20M
11:07 | 8:11/mi
21M
2:40:33
Rank: #9769 (-171)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:46:43
Rank: #9920 (-151)
21M → 35K
6:10 | 8:15/mi
23M
2:57:21
Rank: #10103 (-183)
35K → 23M
10:38 | 8:30/mi
24M
3:05:35
Rank: #10199 (-96)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:12:41
Rank: #10246 (-47)
24M → 40K
7:06 | 8:18/mi
25.2M
3:16:18
Rank: #10449 (-203)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:24:46
Rank: #10580 (-131)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:24
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:48:22
Pace8:16 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2923:177:3023:17
7:30
-
10K
6.21 mi11:14:0845:567:2422:39
7:17
-0:13
15K
9.32 mi11:36:411:08:297:2122:33
7:15
-0:02
20K
12.43 mi11:59:281:31:167:2122:47
7:20
+0:05
Half
13.11 mi12:04:361:36:247:215:08
7:31
+0:11
25K
15.53 mi12:23:301:55:187:2518:54
7:48
+0:17
30K
18.64 mi12:48:412:20:297:3225:11
8:06
+0:18
20M
20.00 mi12:59:482:31:367:3511:07
8:11
+0:05
21M
21.00 mi13:08:452:40:337:398:57
8:57
+0:46
35K
21.75 mi13:14:552:46:437:406:10
8:15
-0:42
23M
23.00 mi13:25:332:57:217:4310:38
8:30
+0:15
24M
24.00 mi13:33:473:05:357:448:14
8:14
-0:16
40K
24.85 mi13:40:533:12:417:457:06
8:18
+0:04
25.2M
25.20 mi13:44:303:16:187:473:37
10:29
+2:11
Finish
26.22 mi13:52:583:24:467:498:28
8:19
-2:10

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

7:15 /mi

Average Pace

7:49 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:24

47% of race

Time at Steady Pace

1:35:48

47% of race

Time at Slower Pace

12:34

6% of race

Average Pace: 7:49 /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 mi10:51:2923:177:3023:17
7:30
#9571
10K
6.21 mi11:14:0845:567:2422:39
7:17
#9126
15K
9.32 mi11:36:411:08:297:2122:33
7:15
#8819
20K
12.43 mi11:59:281:31:167:2122:47
7:20
#8587
Half
13.11 mi12:04:361:36:247:215:08
7:31
#8662
25K
15.53 mi12:23:301:55:187:2518:54
7:48
#9002
30K
18.64 mi12:48:412:20:297:3225:11
8:06
#9453
20M
20.00 mi12:59:482:31:367:3511:07
8:11
#9598
21M
21.00 mi13:08:452:40:337:398:57
8:57
#9769
35K
21.75 mi13:14:552:46:437:406:10
8:15
#9920
23M
23.00 mi13:25:332:57:217:4310:38
8:30
#10103
24M
24.00 mi13:33:473:05:357:448:14
8:14
#10199
40K
24.85 mi13:40:533:12:417:457:06
8:18
#10246
25.2M
25.20 mi13:44:303:16:187:473:37
10:29
#10449
Finish
26.22 mi13:52:583:24:467:498:28
8:19
#10580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9571791379138235(Top 31%)7072(Top 47%)7072(Top 497%)
10K6.21 mi3.10 mi9126+4457649+2647649+2648798(Top 33%)7453(Top 49%)7453(Top 524%)
15K9.32 mi3.11 mi8819+3077453+1967453+1968235(Top 31%)7072(Top 47%)7072(Top 497%)
20K12.43 mi3.11 mi8587+2327303+1507303+1508042(Top 30%)6917(Top 46%)6917(Top 486%)
Half13.11 mi0.68 mi8662-757354-517354-5110387(Top 39%)8296(Top 55%)8296(Top 583%)
25K15.53 mi2.42 mi9002-3407547-1937547-19311043(Top 41%)8523(Top 56%)8523(Top 599%)
30K18.64 mi3.11 mi9453-4517771-2247771-22411669(Top 44%)8649(Top 57%)8649(Top 608%)
20M20.00 mi1.36 mi9598-1457835-647835-6411529(Top 43%)8492(Top 56%)8492(Top 597%)
21M21.00 mi1.00 mi9769-1717920-857920-8513086(Top 49%)9068(Top 60%)9068(Top 638%)
35K21.75 mi0.75 mi9920-1517983-637983-6313687(Top 51%)9260(Top 61%)9260(Top 651%)
23M23.00 mi1.25 mi10103-1838044-618044-6113142(Top 49%)8975(Top 59%)8975(Top 631%)
24M24.00 mi1.00 mi10199-968064-208064-2012793(Top 48%)8751(Top 58%)8751(Top 615%)
40K24.85 mi0.85 mi10246-478061+38061+312025(Top 45%)8322(Top 55%)8322(Top 585%)
25.2M25.20 mi0.35 mi10449-2038138-778138-7718986(Top 71%)11442(Top 75%)11442(Top 805%)
Finish26.22 mi1.02 mi10580-1318178-408178-4014130(Top 53%)9296(Top 61%)9296(Top 654%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8235

Males

7072

M55-59

7072

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8798

Males

7453

M55-59

7453

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8235

Males

7072

M55-59

7072

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8042

Males

6917

M55-59

6917

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10387

Males

8296

M55-59

8296

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11043

Males

8523

M55-59

8523

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11669

Males

8649

M55-59

8649

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11529

Males

8492

M55-59

8492

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13086

Males

9068

M55-59

9068

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13687

Males

9260

M55-59

9260

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13142

Males

8975

M55-59

8975

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12793

Males

8751

M55-59

8751

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12025

Males

8322

M55-59

8322

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18986

Males

11442

M55-59

11442

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14130

Males

9296

M55-59

9296

Passing Analysis

Category:
Athletes Passed
1550
Passed By
2556
Net Change
-1009
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9571
5K → 10K559114+445#9571#9126
10K → 15K33629+307#9126#8819
15K → 20K26937+232#8819#8587
20K → Half984-75#8587#8662
Half → 25K32372-340#8662#9002
25K → 30K69520-451#9002#9453
30K → 20M44189-145#9453#9598
20M → 21M34205-171#9598#9769
21M → 35K17168-151#9769#9920
35K → 23M36217-183#9920#10103
23M → 24M46141-96#10103#10199
24M → 40K5299-47#10199#10246
40K → 25.2M6209-203#10246#10449
25.2M → Finish41172-131#10449#10580
TOTALS15502556-1009
📊

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