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BOSTON MARATHON 2023

James Ford

Bib: 603•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:14
Rank: #487
Start → 5K
18:14 | 5:52/mi
10K· 6.21 mi
36:32
Rank: #519 (-32)
5K → 10K
18:18 | 5:53/mi
15K· 9.32 mi
55:01
Rank: #545 (-26)
10K → 15K
18:29 | 5:57/mi
20K· 12.43 mi
1:13:43
Rank: #550 (-5)
15K → 20K
18:42 | 6:01/mi
Half· 13.11 mi
1:17:47
Rank: #552 (-2)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:32:37
Rank: #568 (-16)
Half → 25K
14:50 | 6:07/mi
30K· 18.64 mi
1:51:37
Rank: #551 (+17)
25K → 30K
19:00 | 6:07/mi
20M
1:59:54
Rank: #540 (+11)
30K → 20M
8:17 | 6:06/mi
21M
2:06:15
Rank: #519 (+21)
20M → 21M
6:21 | 6:21/mi
35K· 21.75 mi
2:10:34
Rank: #511 (+8)
21M → 35K
4:19 | 5:46/mi
23M
2:18:06
Rank: #489 (+22)
35K → 23M
7:32 | 6:01/mi
24M
2:23:50
Rank: #472 (+17)
23M → 24M
5:44 | 5:44/mi
40K· 24.85 mi
2:28:52
Rank: #458 (+14)
24M → 40K
5:02 | 5:53/mi
25.2M
2:31:01
Rank: #447 (+11)
40K → 25.2M
2:09 | 6:14/mi
Finish· 26.22 mi
2:36:37
Rank: #414 (+33)
25.2M → Finish
5:36 | 5:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:47
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:18:50
Pace6:01 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2018:145:5218:14
5:52
-
10K
6.21 mi10:36:3836:325:5318:18
5:53
+0:01
15K
9.32 mi10:55:0755:015:5418:29
5:57
+0:04
20K
12.43 mi11:13:491:13:435:5618:42
6:01
+0:04
Half
13.11 mi11:17:531:17:475:564:04
5:58
-0:03
25K
15.53 mi11:32:431:32:375:5814:50
6:07
+0:09
30K
18.64 mi11:51:431:51:375:5919:00
6:07
0:00
20M
20.00 mi12:00:001:59:546:008:17
6:06
-0:01
21M
21.00 mi12:06:212:06:156:016:21
6:21
+0:15
35K
21.75 mi12:10:402:10:346:004:19
5:46
-0:35
23M
23.00 mi12:18:122:18:066:007:32
6:01
+0:15
24M
24.00 mi12:23:562:23:506:005:44
5:44
-0:17
40K
24.85 mi12:28:582:28:525:595:02
5:53
+0:09
25.2M
25.20 mi12:31:072:31:016:002:09
6:14
+0:21
Finish
26.22 mi12:36:432:36:375:595:36
5:30
-0:44

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

5:30 /mi

Average Pace

5:59 /mi

Slowest Pace

6:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:00

68% of race

Time at Steady Pace

50:37

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:18:2018:145:5218:14
5:52
#487
10K
6.21 mi10:36:3836:325:5318:18
5:53
#519
15K
9.32 mi10:55:0755:015:5418:29
5:57
#545
20K
12.43 mi11:13:491:13:435:5618:42
6:01
#550
Half
13.11 mi11:17:531:17:475:564:04
5:58
#552
25K
15.53 mi11:32:431:32:375:5814:50
6:07
#568
30K
18.64 mi11:51:431:51:375:5919:00
6:07
#551
20M
20.00 mi12:00:001:59:546:008:17
6:06
#540
21M
21.00 mi12:06:212:06:156:016:21
6:21
#519
35K
21.75 mi12:10:402:10:346:004:19
5:46
#511
23M
23.00 mi12:18:122:18:066:007:32
6:01
#489
24M
24.00 mi12:23:562:23:506:005:44
5:44
#472
40K
24.85 mi12:28:582:28:525:595:02
5:53
#458
25.2M
25.20 mi12:31:072:31:016:002:09
6:14
#447
Finish
26.22 mi12:36:432:36:375:595:36
5:30
#414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi487451451597(Top 2%)554(Top 4%)554(Top 10%)
10K6.21 mi3.10 mi519-32477-26477-26573(Top 2%)530(Top 3%)530(Top 10%)
15K9.32 mi3.11 mi545-26503-26503-26597(Top 2%)554(Top 4%)554(Top 10%)
20K12.43 mi3.11 mi550-5508-5508-5587(Top 2%)547(Top 4%)547(Top 10%)
Half13.11 mi0.68 mi552-2511-3511-3648(Top 2%)608(Top 4%)608(Top 12%)
25K15.53 mi2.42 mi568-16527-16527-16781(Top 3%)739(Top 5%)739(Top 14%)
30K18.64 mi3.11 mi551+17511+16511+16528(Top 2%)495(Top 3%)495(Top 9%)
20M20.00 mi1.36 mi540+11501+10501+10470(Top 2%)436(Top 3%)436(Top 8%)
21M21.00 mi1.00 mi519+21481+20481+20407(Top 2%)375(Top 2%)375(Top 7%)
35K21.75 mi0.75 mi511+8473+8473+8319(Top 1%)293(Top 2%)293(Top 6%)
23M23.00 mi1.25 mi489+22452+21452+21317(Top 1%)292(Top 2%)292(Top 6%)
24M24.00 mi1.00 mi472+17436+16436+16194(Top 0.7%)171(Top 1%)171(Top 3%)
40K24.85 mi0.85 mi458+14422+14422+14206(Top 0.8%)184(Top 1%)184(Top 3%)
25.2M25.20 mi0.35 mi447+11412+10412+10184(Top 0.7%)165(Top 1%)165(Top 3%)
Finish26.22 mi1.02 mi414+33379+33379+3397(Top 0.4%)86(Top 0.6%)86(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

597

Males

554

M18-39

554

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

573

Males

530

M18-39

530

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

597

Males

554

M18-39

554

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

587

Males

547

M18-39

547

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

648

Males

608

M18-39

608

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

781

Males

739

M18-39

739

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

528

Males

495

M18-39

495

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

470

Males

436

M18-39

436

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

407

Males

375

M18-39

375

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

319

Males

293

M18-39

293

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

317

Males

292

M18-39

292

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

194

Males

171

M18-39

171

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

206

Males

184

M18-39

184

40K→25.2M

24.9 - 25.2 mi

Top 0.7%
×1story
+13ft-16ft

Overall

184

Males

165

M18-39

165

25.2M→Finish

25.2 - 26.2 mi

Top 0.4%
×2stories
+22ft-21ft

Overall

97

Males

86

M18-39

86

Passing Analysis

Category:
Athletes Passed
222
Passed By
149
Net Change
+73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#487
5K → 10K1648-32#487#519
10K → 15K935-26#519#545
15K → 20K1520-5#545#550
20K → Half24-2#550#552
Half → 25K925-16#552#568
25K → 30K236+17#568#551
30K → 20M154+11#551#540
20M → 21M265+21#540#519
21M → 35K91+8#519#511
35K → 23M231+22#511#489
23M → 24M170+17#489#472
24M → 40K140+14#472#458
40K → 25.2M110+11#458#447
25.2M → Finish330+33#447#414
TOTALS222149+73
📊

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