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BOSTON MARATHON 2023

James Ford

Bib: 2347•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #4607
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:07
Rank: #4776 (-169)
5K → 10K
21:01 | 6:46/mi
15K· 9.32 mi
1:03:13
Rank: #4826 (-50)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:26:08
Rank: #5920 (-1094)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:30:36
Rank: #5786 (+134)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:46:52
Rank: #5442 (+344)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:08:43
Rank: #5224 (+218)
25K → 30K
21:51 | 7:02/mi
20M
2:18:35
Rank: #5223 (+1)
30K → 20M
9:52 | 7:16/mi
21M
2:26:19
Rank: #5203 (+20)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:31:34
Rank: #5184 (+19)
21M → 35K
5:15 | 7:01/mi
23M
2:41:06
Rank: #5261 (-77)
35K → 23M
9:32 | 7:37/mi
24M
2:48:49
Rank: #5353 (-92)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
2:55:38
Rank: #5452 (-99)
24M → 40K
6:49 | 7:58/mi
25.2M
2:58:43
Rank: #5514 (-62)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:06:59
Rank: #5698 (-184)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0221:066:4721:06
6:47
-
10K
6.21 mi10:43:0342:076:4721:01
6:46
-0:01
15K
9.32 mi11:04:091:03:136:4721:06
6:47
+0:01
20K
12.43 mi11:27:041:26:086:5622:55
7:23
+0:36
Half
13.11 mi11:31:321:30:366:554:28
6:33
-0:50
25K
15.53 mi11:47:481:46:526:5316:16
6:43
+0:10
30K
18.64 mi12:09:392:08:436:5421:51
7:02
+0:19
20M
20.00 mi12:19:312:18:356:569:52
7:16
+0:14
21M
21.00 mi12:27:152:26:196:587:44
7:44
+0:28
35K
21.75 mi12:32:302:31:346:585:15
7:01
-0:43
23M
23.00 mi12:42:022:41:067:009:32
7:37
+0:36
24M
24.00 mi12:49:452:48:497:027:43
7:43
+0:06
40K
24.85 mi12:56:342:55:387:046:49
7:58
+0:15
25.2M
25.20 mi12:59:392:58:437:063:05
8:56
+0:58
Finish
26.22 mi13:07:553:06:597:088:16
8:07
-0:49

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

6:33 /mi

Average Pace

7:08 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:57

45% of race

Time at Steady Pace

59:53

32% of race

Time at Slower Pace

43:09

23% of race

Average Pace: 7:08 /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 mi10:22:0221:066:4721:06
6:47
#4607
10K
6.21 mi10:43:0342:076:4721:01
6:46
#4776
15K
9.32 mi11:04:091:03:136:4721:06
6:47
#4826
20K
12.43 mi11:27:041:26:086:5622:55
7:23
#5920
Half
13.11 mi11:31:321:30:366:554:28
6:33
#5786
25K
15.53 mi11:47:481:46:526:5316:16
6:43
#5442
30K
18.64 mi12:09:392:08:436:5421:51
7:02
#5224
20M
20.00 mi12:19:312:18:356:569:52
7:16
#5223
21M
21.00 mi12:27:152:26:196:587:44
7:44
#5203
35K
21.75 mi12:32:302:31:346:585:15
7:01
#5184
23M
23.00 mi12:42:022:41:067:009:32
7:37
#5261
24M
24.00 mi12:49:452:48:497:027:43
7:43
#5353
40K
24.85 mi12:56:342:55:387:046:49
7:58
#5452
25.2M
25.20 mi12:59:392:58:437:063:05
8:56
#5514
Finish
26.22 mi13:07:553:06:597:088:16
8:07
#5698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4607429542955035(Top 19%)4675(Top 31%)4675(Top 88%)
10K6.21 mi3.10 mi4776-1694445-1504445-1504953(Top 19%)4592(Top 30%)4592(Top 87%)
15K9.32 mi3.11 mi4826-504489-444489-445035(Top 19%)4675(Top 31%)4675(Top 88%)
20K12.43 mi3.11 mi5920-10945413-9245413-9248321(Top 31%)7080(Top 47%)7080(Top 134%)
Half13.11 mi0.68 mi5786+1345315+985315+983132(Top 12%)2997(Top 20%)2997(Top 57%)
25K15.53 mi2.42 mi5442+3445025+2905025+2903444(Top 13%)3265(Top 22%)3265(Top 62%)
30K18.64 mi3.11 mi5224+2184834+1914834+1914575(Top 17%)4237(Top 28%)4237(Top 80%)
20M20.00 mi1.36 mi5223+14827+74827+75430(Top 20%)4869(Top 32%)4869(Top 92%)
21M21.00 mi1.00 mi5203+204802+254802+255790(Top 22%)5042(Top 33%)5042(Top 95%)
35K21.75 mi0.75 mi5184+194779+234779+235440(Top 20%)4836(Top 32%)4836(Top 92%)
23M23.00 mi1.25 mi5261-774835-564835-567145(Top 27%)5905(Top 39%)5905(Top 112%)
24M24.00 mi1.00 mi5353-924904-694904-699148(Top 34%)6951(Top 46%)6951(Top 132%)
40K24.85 mi0.85 mi5452-994974-704974-709814(Top 37%)7230(Top 48%)7230(Top 137%)
25.2M25.20 mi0.35 mi5514-625025-515025-5112062(Top 45%)8256(Top 54%)8256(Top 156%)
Finish26.22 mi1.02 mi5698-1845149-1245149-12412812(Top 48%)8666(Top 57%)8666(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5035

Males

4675

M18-39

4675

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4953

Males

4592

M18-39

4592

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5035

Males

4675

M18-39

4675

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8321

Males

7080

M18-39

7080

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3132

Males

2997

M18-39

2997

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3444

Males

3265

M18-39

3265

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4575

Males

4237

M18-39

4237

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5430

Males

4869

M18-39

4869

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5790

Males

5042

M18-39

5042

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5440

Males

4836

M18-39

4836

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7145

Males

5905

M18-39

5905

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9148

Males

6951

M18-39

6951

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9814

Males

7230

M18-39

7230

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12062

Males

8256

M18-39

8256

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12812

Males

8666

M18-39

8666

Passing Analysis

Category:
Athletes Passed
1258
Passed By
2349
Net Change
-1091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4607
5K → 10K140309-169#4607#4776
10K → 15K97147-50#4776#4826
15K → 20K51099-1094#4826#5920
20K → Half1340+134#5920#5786
Half → 25K3440+344#5786#5442
25K → 30K25335+218#5442#5224
30K → 20M6665+1#5224#5223
20M → 21M6646+20#5223#5203
21M → 35K4324+19#5203#5184
35K → 23M38115-77#5184#5261
23M → 24M26118-92#5261#5353
24M → 40K20119-99#5353#5452
40K → 25.2M971-62#5452#5514
25.2M → Finish17201-184#5514#5698
TOTALS12582349-1091
📊

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