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BOSTON MARATHON 2023

Robert Giles

Bib: 13707•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M55-59)
#0 / 1422
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #10496
Start → 5K
23:36 | 7:36/mi
10K· 6.21 mi
46:44
Rank: #10225 (+271)
5K → 10K
23:08 | 7:27/mi
15K· 9.32 mi
1:09:49
Rank: #9948 (+277)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:33:36
Rank: #10103 (-155)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:38:48
Rank: #10162 (-59)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:57:38
Rank: #10249 (-87)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:23:14
Rank: #10624 (-375)
25K → 30K
25:36 | 8:14/mi
20M
2:34:43
Rank: #10798 (-174)
30K → 20M
11:29 | 8:27/mi
21M
2:43:54
Rank: #11048 (-250)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:49:40
Rank: #10981 (+67)
21M → 35K
5:46 | 7:42/mi
23M
3:00:21
Rank: #11135 (-154)
35K → 23M
10:41 | 8:32/mi
24M
3:08:53
Rank: #11324 (-189)
23M → 24M
8:32 | 8:32/mi
40K· 24.85 mi
3:16:34
Rank: #11553 (-229)
24M → 40K
7:41 | 8:59/mi
25.2M
3:19:52
Rank: #11630 (-77)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:28:42
Rank: #11858 (-228)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:49:54
Pace8:23 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5023:367:3623:36
7:36
-
10K
6.21 mi11:15:5846:447:3123:08
7:27
-0:09
15K
9.32 mi11:39:031:09:497:2923:05
7:26
-0:01
20K
12.43 mi12:02:501:33:367:3223:47
7:39
+0:13
Half
13.11 mi12:08:021:38:487:325:12
7:37
-0:02
25K
15.53 mi12:26:521:57:387:3418:50
7:46
+0:09
30K
18.64 mi12:52:282:23:147:4125:36
8:14
+0:28
20M
20.00 mi13:03:572:34:437:4411:29
8:27
+0:13
21M
21.00 mi13:13:082:43:547:489:11
9:11
+0:44
35K
21.75 mi13:18:542:49:407:485:46
7:42
-1:29
23M
23.00 mi13:29:353:00:217:5010:41
8:32
+0:50
24M
24.00 mi13:38:073:08:537:528:32
8:32
0:00
40K
24.85 mi13:45:483:16:347:557:41
8:59
+0:27
25.2M
25.20 mi13:49:063:19:527:563:18
9:34
+0:35
Finish
26.22 mi13:57:563:28:427:588:50
8:40
-0:54

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

7:58 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:24

59% of race

Time at Steady Pace

56:18

27% of race

Time at Slower Pace

29:00

14% of race

Average Pace: 7:58 /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 mi10:52:5023:367:3623:36
7:36
#10496
10K
6.21 mi11:15:5846:447:3123:08
7:27
#10225
15K
9.32 mi11:39:031:09:497:2923:05
7:26
#9948
20K
12.43 mi12:02:501:33:367:3223:47
7:39
#10103
Half
13.11 mi12:08:021:38:487:325:12
7:37
#10162
25K
15.53 mi12:26:521:57:387:3418:50
7:46
#10249
30K
18.64 mi12:52:282:23:147:4125:36
8:14
#10624
20M
20.00 mi13:03:572:34:437:4411:29
8:27
#10798
21M
21.00 mi13:13:082:43:547:489:11
9:11
#11048
35K
21.75 mi13:18:542:49:407:485:46
7:42
#10981
23M
23.00 mi13:29:353:00:217:5010:41
8:32
#11135
24M
24.00 mi13:38:073:08:537:528:32
8:32
#11324
40K
24.85 mi13:45:483:16:347:557:41
8:59
#11553
25.2M
25.20 mi13:49:063:19:527:563:18
9:34
#11630
Finish
26.22 mi13:57:563:28:427:588:50
8:40
#11858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10496840884089598(Top 36%)7925(Top 52%)7925(Top 557%)
10K6.21 mi3.10 mi10225+2718275+1338275+13310022(Top 38%)8183(Top 54%)8183(Top 575%)
15K9.32 mi3.11 mi9948+2778132+1438132+1439598(Top 36%)7925(Top 52%)7925(Top 557%)
20K12.43 mi3.11 mi10103-1558210-788210-7810555(Top 40%)8369(Top 55%)8369(Top 589%)
Half13.11 mi0.68 mi10162-598233-238233-2311180(Top 42%)8712(Top 57%)8712(Top 613%)
25K15.53 mi2.42 mi10249-878263-308263-3010851(Top 41%)8431(Top 56%)8431(Top 593%)
30K18.64 mi3.11 mi10624-3758390-1278390-12712594(Top 47%)9057(Top 60%)9057(Top 637%)
20M20.00 mi1.36 mi10798-1748453-638453-6313296(Top 50%)9254(Top 61%)9254(Top 651%)
21M21.00 mi1.00 mi11048-2508548-958548-9514366(Top 54%)9648(Top 64%)9648(Top 678%)
35K21.75 mi0.75 mi10981+678502+468502+469985(Top 38%)7639(Top 50%)7639(Top 537%)
23M23.00 mi1.25 mi11135-1548554-528554-5213411(Top 50%)9099(Top 60%)9099(Top 640%)
24M24.00 mi1.00 mi11324-1898617-638617-6314638(Top 55%)9571(Top 63%)9571(Top 673%)
40K24.85 mi0.85 mi11553-2298696-798696-7916039(Top 60%)10136(Top 67%)10136(Top 713%)
25.2M25.20 mi0.35 mi11630-778721-258721-2515435(Top 58%)9856(Top 65%)9856(Top 693%)
Finish26.22 mi1.02 mi11858-2288798-778798-7716308(Top 61%)10288(Top 68%)10288(Top 723%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9598

Males

7925

M55-59

7925

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10022

Males

8183

M55-59

8183

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9598

Males

7925

M55-59

7925

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10555

Males

8369

M55-59

8369

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11180

Males

8712

M55-59

8712

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10851

Males

8431

M55-59

8431

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12594

Males

9057

M55-59

9057

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13296

Males

9254

M55-59

9254

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14366

Males

9648

M55-59

9648

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

9985

Males

7639

M55-59

7639

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13411

Males

9099

M55-59

9099

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14638

Males

9571

M55-59

9571

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

16039

Males

10136

M55-59

10136

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15435

Males

9856

M55-59

9856

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16308

Males

10288

M55-59

10288

Passing Analysis

Category:
Athletes Passed
1379*
Passed By
2741
Net Change
-1362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10496
5K → 10K457*186+271#10496#10225
10K → 15K336*59+277#10225#9948
15K → 20K109264-155#9948#10103
20K → Half1776-59#10103#10162
Half → 25K105192-87#10162#10249
25K → 30K77452-375#10249#10624
30K → 20M37*211-174#10624#10798
20M → 21M22272-250#10798#11048
21M → 35K8417+67#11048#10981
35K → 23M50204-154#10981#11135
23M → 24M27216-189#11135#11324
24M → 40K19248-229#11324#11553
40K → 25.2M1592-77#11553#11630
25.2M → Finish24252-228#11630#11858
TOTALS1379*2741-1362

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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