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BOSTON MARATHON 2023

David Roberts

Bib: 15624•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #12106
Start → 5K
7:46/mi
24:09 split
10K· 6.21 mi
48:15
Rank: #12401 (-295)
5K → 10K
7:45/mi
24:06 split
15K· 9.32 mi
1:12:17
Rank: #12257 (+144)
10K → 15K
7:44/mi
24:02 split
20K· 12.43 mi
1:36:12
Rank: #11883 (+374)
15K → 20K
7:42/mi
23:55 split
Half· 13.11 mi
1:41:24
Rank: #11846 (+37)
20K → Half
7:37/mi
5:12 split
25K· 15.53 mi
2:00:11
Rank: #11577 (+269)
Half → 25K
7:45/mi
18:47 split
30K· 18.64 mi
2:25:29
Rank: #11644 (-67)
25K → 30K
8:09/mi
25:18 split
20M
2:37:08
Rank: #11824 (-180)
30K → 20M
8:34/mi
11:39 split
21M
2:47:31
Rank: #12459 (-635)
20M → 21M
10:23/mi
10:23 split
35K· 21.75 mi
2:53:36
Rank: #12486 (-27)
21M → 35K
8:08/mi
6:05 split
23M
3:04:55
Rank: #12751 (-265)
35K → 23M
9:02/mi
11:19 split
24M
3:13:51
Rank: #12962 (-211)
23M → 24M
8:56/mi
8:56 split
40K· 24.85 mi
3:21:47
Rank: #13147 (-185)
24M → 40K
9:17/mi
7:56 split
25.2M
3:25:45
Rank: #13367 (-220)
40K → 25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
3:35:06
Rank: #13661 (-294)
25.2M → Finish
9:11/mi
9:21 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3624:097:4624:09
7:46
-
10K
6.21 mi11:18:4248:157:4624:06
7:45
-0:01
15K
9.32 mi11:42:441:12:177:4524:02
7:44
-0:01
20K
12.43 mi12:06:391:36:127:4423:55
7:42
-0:02
Half
13.11 mi12:11:511:41:247:445:12
7:37
-0:05
25K
15.53 mi12:30:382:00:117:4418:47
7:45
+0:08
30K
18.64 mi12:55:562:25:297:4825:18
8:09
+0:24
20M
20.00 mi13:07:352:37:087:5111:39
8:34
+0:25
21M
21.00 mi13:17:582:47:317:5910:23
10:23
+1:49
35K
21.75 mi13:24:032:53:367:596:05
8:08
-2:15
23M
23.00 mi13:35:223:04:558:0211:19
9:02
+0:54
24M
24.00 mi13:44:183:13:518:058:56
8:56
-0:06
40K
24.85 mi13:52:143:21:478:077:56
9:17
+0:21
25.2M
25.20 mi13:56:123:25:458:103:58
11:30
+2:13
Finish
26.22 mi14:05:333:35:068:139:21
9:11
-2:19

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

7:37 /mi

Average Pace

8:13 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:43:13

76% of race

Time at Slower Pace

51:53

24% of race

Average Pace: 8:12 /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 mi10:54:3624:097:4624:09
7:46
#12106
10K
6.21 mi11:18:4248:157:4624:06
7:45
#12401
15K
9.32 mi11:42:441:12:177:4524:02
7:44
#12257
20K
12.43 mi12:06:391:36:127:4423:55
7:42
#11883
Half
13.11 mi12:11:511:41:247:445:12
7:37
#11846
25K
15.53 mi12:30:382:00:117:4418:47
7:45
#11577
30K
18.64 mi12:55:562:25:297:4825:18
8:09
#11644
20M
20.00 mi13:07:352:37:087:5111:39
8:34
#11824
21M
21.00 mi13:17:582:47:317:5910:23
10:23
#12459
35K
21.75 mi13:24:032:53:367:596:05
8:08
#12486
23M
23.00 mi13:35:223:04:558:0211:19
9:02
#12751
24M
24.00 mi13:44:183:13:518:058:56
8:56
#12962
40K
24.85 mi13:52:143:21:478:077:56
9:17
#13147
25.2M
25.20 mi13:56:123:25:458:103:58
11:30
#13367
Finish
26.22 mi14:05:333:35:068:139:21
9:11
#13661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi121069163916312150(Top 46%)9156(Top 60%)9156(Top 825%)
10K6.21 mi3.10 mi12401-2959280-1179280-11712733(Top 48%)9443(Top 62%)9443(Top 851%)
15K9.32 mi3.11 mi12257+1449202+789202+7812150(Top 46%)9156(Top 60%)9156(Top 825%)
20K12.43 mi3.11 mi11883+3749018+1849018+18410905(Top 41%)8532(Top 56%)8532(Top 769%)
Half13.11 mi0.68 mi11846+379007+119007+1111204(Top 42%)8736(Top 58%)8736(Top 787%)
25K15.53 mi2.42 mi11577+2698880+1278880+12710675(Top 40%)8341(Top 55%)8341(Top 751%)
30K18.64 mi3.11 mi11644-678855+258855+2511940(Top 45%)8778(Top 58%)8778(Top 791%)
20M20.00 mi1.36 mi11824-1808915-608915-6014059(Top 53%)9595(Top 63%)9595(Top 864%)
21M21.00 mi1.00 mi12459-6359170-2559170-25519215(Top 72%)11723(Top 77%)11723(Top 1056%)
35K21.75 mi0.75 mi12486-279164+69164+612975(Top 49%)8973(Top 59%)8973(Top 808%)
23M23.00 mi1.25 mi12751-2659253-899253-8916217(Top 61%)10334(Top 68%)10334(Top 931%)
24M24.00 mi1.00 mi12962-2119320-679320-6716899(Top 63%)10576(Top 70%)10576(Top 953%)
40K24.85 mi0.85 mi13147-1859376-569376-5617402(Top 65%)10751(Top 71%)10751(Top 969%)
25.2M25.20 mi0.35 mi13367-2209460-849460-8421525(Top 81%)12616(Top 83%)12616(Top 1137%)
Finish26.22 mi1.02 mi13661-2949552-929552-9218778(Top 71%)11430(Top 75%)11430(Top 1030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12150

Males

9156

M60-64

9156

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12733

Males

9443

M60-64

9443

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12150

Males

9156

M60-64

9156

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10905

Males

8532

M60-64

8532

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11204

Males

8736

M60-64

8736

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10675

Males

8341

M60-64

8341

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11940

Males

8778

M60-64

8778

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14059

Males

9595

M60-64

9595

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19215

Males

11723

M60-64

11723

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12975

Males

8973

M60-64

8973

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16217

Males

10334

M60-64

10334

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16899

Males

10576

M60-64

10576

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17402

Males

10751

M60-64

10751

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21525

Males

12616

M60-64

12616

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18778

Males

11430

M60-64

11430

Passing Analysis

Category:
Athletes Passed
1560
Passed By
3115
Net Change
-1555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12106
5K → 10K191486-295#12106#12401
10K → 15K257113+144#12401#12257
15K → 20K40026+374#12257#11883
20K → Half5316+37#11883#11846
Half → 25K29425+269#11846#11577
25K → 30K154221-67#11577#11644
30K → 20M54234-180#11644#11824
20M → 21M10645-635#11824#12459
21M → 35K3562-27#12459#12486
35K → 23M32297-265#12486#12751
23M → 24M23234-211#12751#12962
24M → 40K25210-185#12962#13147
40K → 25.2M10230-220#13147#13367
25.2M → Finish22316-294#13367#13661
TOTALS15603115-1555
📊

Passing Visuals

Category:
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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