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BOSTON MARATHON 2023

Jonathan Giles

Bib: 6864•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:21/mi
25:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:16/mi
51:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:15:43
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:40:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:45:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:04:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:28:54
↑ 181↓ 1480.2%
20M
8:02/mi
2:39:50
↑ 64↓ 500.2%
21M
8:02/mi
2:47:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:53:47
↑ 17↓ 861.7%
23M
7:55/mi
3:03:42
↑ 23↓ 630.6%
24M
7:39/mi
3:11:21
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:17:59
↓ 200.3%
25.2M
8:07/mi
3:20:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:28:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:57
Pace7:51 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0625:568:2125:56
8:21
-
10K
6.21 mi11:46:4751:378:1825:41
8:16
-0:05
15K
9.32 mi12:10:531:15:438:0724:06
7:45
-0:31
20K
12.43 mi12:35:141:40:048:0324:21
7:50
+0:05
Half
13.11 mi12:40:331:45:238:025:19
7:48
-0:02
25K
15.53 mi12:59:232:04:138:0018:50
7:46
-0:02
30K
18.64 mi13:24:042:28:547:5924:41
7:57
+0:11
20M
20.00 mi13:35:002:39:507:5910:56
8:02
+0:05
21M
21.00 mi13:43:022:47:528:008:02
8:02
0:00
35K
21.75 mi13:48:572:53:477:595:55
7:55
-0:07
23M
23.00 mi13:58:523:03:427:599:55
7:55
0:00
24M
24.00 mi14:06:313:11:217:587:39
7:39
-0:16
40K
24.85 mi14:13:093:17:597:586:38
7:45
+0:06
25.2M
25.20 mi14:15:573:20:477:582:48
8:07
+0:22
Finish
26.22 mi14:23:303:28:207:577:33
7:25
-0:42

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

7:25 /mi

Average Pace

7:57 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:43

75% of race

Time at Steady Pace

51:37

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:21:0625:568:2125:56
8:21
#16462
10K
6.21 mi11:46:4751:378:1825:41
8:16
#16541
15K
9.32 mi12:10:531:15:438:0724:06
7:45
#15281
20K
12.43 mi12:35:141:40:048:0324:21
7:50
#14500
Half
13.11 mi12:40:331:45:238:025:19
7:48
#14396
25K
15.53 mi12:59:232:04:138:0018:50
7:46
#13839
30K
18.64 mi13:24:042:28:547:5924:41
7:57
#13198
20M
20.00 mi13:35:002:39:507:5910:56
8:02
#12985
21M
21.00 mi13:43:022:47:528:008:02
8:02
#12608
35K
21.75 mi13:48:572:53:477:595:55
7:55
#12550
23M
23.00 mi13:58:523:03:427:599:55
7:55
#12339
24M
24.00 mi14:06:313:11:217:587:39
7:39
#12190
40K
24.85 mi14:13:093:17:597:586:38
7:45
#12012
25.2M
25.20 mi14:15:573:20:477:582:48
8:07
#11927
Finish
26.22 mi14:23:303:28:207:577:33
7:25
#11730
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16462108621086212351(Top 46%)9225(Top 61%)9225(Top 450%)
10K6.21 mi3.10 mi16541-7910916-5410916-5416679(Top 63%)10975(Top 72%)10975(Top 535%)
15K9.32 mi3.11 mi15281+126010419+49710419+49712351(Top 46%)9225(Top 61%)9225(Top 450%)
20K12.43 mi3.11 mi14500+78110111+30810111+30812038(Top 45%)9030(Top 60%)9030(Top 440%)
Half13.11 mi0.68 mi14396+10410062+4910062+4912585(Top 47%)9310(Top 61%)9310(Top 454%)
25K15.53 mi2.42 mi13839+5579806+2569806+25610849(Top 41%)8429(Top 56%)8429(Top 411%)
30K18.64 mi3.11 mi13198+6419515+2919515+29110470(Top 39%)8084(Top 53%)8084(Top 394%)
20M20.00 mi1.36 mi12985+2139409+1069409+10610566(Top 40%)8022(Top 53%)8022(Top 391%)
21M21.00 mi1.00 mi12608+3779228+1819228+1817602(Top 29%)6229(Top 41%)6229(Top 304%)
35K21.75 mi0.75 mi12550+589193+359193+3511429(Top 43%)8319(Top 55%)8319(Top 405%)
23M23.00 mi1.25 mi12339+2119072+1219072+1219215(Top 35%)7083(Top 47%)7083(Top 345%)
24M24.00 mi1.00 mi12190+1498990+828990+828754(Top 33%)6772(Top 45%)6772(Top 330%)
40K24.85 mi0.85 mi12012+1788888+1028888+1028390(Top 32%)6496(Top 43%)6496(Top 317%)
25.2M25.20 mi0.35 mi11927+858848+408848+407224(Top 27%)5738(Top 38%)5738(Top 280%)
Finish26.22 mi1.02 mi11730+1978740+1088740+1087855(Top 30%)6090(Top 40%)6090(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12351

Males

9225

M50-54

9225

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16679

Males

10975

M50-54

10975

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12351

Males

9225

M50-54

9225

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12038

Males

9030

M50-54

9030

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12585

Males

9310

M50-54

9310

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10849

Males

8429

M50-54

8429

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10470

Males

8084

M50-54

8084

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10566

Males

8022

M50-54

8022

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

7602

Males

6229

M50-54

6229

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11429

Males

8319

M50-54

8319

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9215

Males

7083

M50-54

7083

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8754

Males

6772

M50-54

6772

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8390

Males

6496

M50-54

6496

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7224

Males

5738

M50-54

5738

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7855

Males

6090

M50-54

6090

Passing Analysis

Category:
Athletes Passed
5165
Passed By
433
Net Change
+4732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16462
5K → 10K259338-79#16462#16541
10K → 15K12655+1260#16541#15281
15K → 20K7854+781#15281#14500
20K → Half1117+104#14500#14396
Half → 25K5592+557#14396#13839
25K → 30K6509+641#13839#13198
30K → 20M22411+213#13198#12985
20M → 21M3781+377#12985#12608
21M → 35K8022+58#12608#12550
35K → 23M22312+211#12550#12339
23M → 24M1545+149#12339#12190
24M → 40K1846+178#12190#12012
40K → 25.2M850+85#12012#11927
25.2M → Finish20811+197#11927#11730
TOTALS5165433+4732
📊

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