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BOSTON MARATHON 2023

Brady Jeffers

Bib: 4060•M

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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
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
21:31
Rank: #5758
Start → 5K
21:31 | 6:56/mi
10K· 6.21 mi
41:56
Rank: #4466 (+1292)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:03:22
Rank: #4989 (-523)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:23:57
Rank: #4402 (+587)
15K → 20K
20:35 | 6:38/mi
Half· 13.11 mi
1:28:28
Rank: #4354 (+48)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:52
Rank: #4229 (+125)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:06:36
Rank: #4240 (-11)
25K → 30K
21:44 | 7:00/mi
20M
2:16:42
Rank: #4469 (-229)
30K → 20M
10:06 | 7:26/mi
21M
2:24:56
Rank: #4743 (-274)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:30:20
Rank: #4813 (-70)
21M → 35K
5:24 | 7:13/mi
23M
2:40:19
Rank: #5052 (-239)
35K → 23M
9:59 | 7:58/mi
24M
2:47:53
Rank: #5117 (-65)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:54:38
Rank: #5206 (-89)
24M → 40K
6:45 | 7:54/mi
25.2M
2:57:33
Rank: #5243 (-37)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:05:14
Rank: #5304 (-61)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:28
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:36:46
Pace7:23 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3221:316:5621:31
6:56
-
10K
6.21 mi10:43:5741:566:4520:25
6:34
-0:22
15K
9.32 mi11:05:231:03:226:4821:26
6:54
+0:20
20K
12.43 mi11:25:581:23:576:4520:35
6:38
-0:16
Half
13.11 mi11:30:291:28:286:454:31
6:37
-0:01
25K
15.53 mi11:46:531:44:526:4516:24
6:46
+0:09
30K
18.64 mi12:08:372:06:366:4721:44
7:00
+0:14
20M
20.00 mi12:18:432:16:426:5010:06
7:26
+0:26
21M
21.00 mi12:26:572:24:566:548:14
8:14
+0:48
35K
21.75 mi12:32:212:30:206:555:24
7:13
-1:01
23M
23.00 mi12:42:202:40:196:589:59
7:58
+0:45
24M
24.00 mi12:49:542:47:537:007:34
7:34
-0:24
40K
24.85 mi12:56:392:54:387:026:45
7:54
+0:20
25.2M
25.20 mi12:59:342:57:337:032:55
8:27
+0:33
Finish
26.22 mi13:07:153:05:147:047:41
7:32
-0:55

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

6:34 /mi

Average Pace

7:04 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:21

45% of race

Time at Steady Pace

58:45

32% of race

Time at Slower Pace

43:08

23% of race

Average Pace: 7:04 /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 mi10:23:3221:316:5621:31
6:56
#5758
10K
6.21 mi10:43:5741:566:4520:25
6:34
#4466
15K
9.32 mi11:05:231:03:226:4821:26
6:54
#4989
20K
12.43 mi11:25:581:23:576:4520:35
6:38
#4402
Half
13.11 mi11:30:291:28:286:454:31
6:37
#4354
25K
15.53 mi11:46:531:44:526:4516:24
6:46
#4229
30K
18.64 mi12:08:372:06:366:4721:44
7:00
#4240
20M
20.00 mi12:18:432:16:426:5010:06
7:26
#4469
21M
21.00 mi12:26:572:24:566:548:14
8:14
#4743
35K
21.75 mi12:32:212:30:206:555:24
7:13
#4813
23M
23.00 mi12:42:202:40:196:589:59
7:58
#5052
24M
24.00 mi12:49:542:47:537:007:34
7:34
#5117
40K
24.85 mi12:56:392:54:387:026:45
7:54
#5206
25.2M
25.20 mi12:59:342:57:337:032:55
8:27
#5243
Finish
26.22 mi13:07:153:05:147:047:41
7:32
#5304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5758528752875944(Top 22%)5419(Top 36%)5419(Top 103%)
10K6.21 mi3.10 mi4466+12924177+11104177+11103300(Top 12%)3142(Top 21%)3142(Top 59%)
15K9.32 mi3.11 mi4989-5234633-4564633-4565944(Top 22%)5419(Top 36%)5419(Top 103%)
20K12.43 mi3.11 mi4402+5874118+5154118+5153021(Top 11%)2877(Top 19%)2877(Top 54%)
Half13.11 mi0.68 mi4354+484077+414077+413651(Top 14%)3459(Top 23%)3459(Top 65%)
25K15.53 mi2.42 mi4229+1253966+1113966+1113864(Top 15%)3636(Top 24%)3636(Top 69%)
30K18.64 mi3.11 mi4240-113979-133979-134321(Top 16%)4019(Top 26%)4019(Top 76%)
20M20.00 mi1.36 mi4469-2294172-1934172-1936335(Top 24%)5529(Top 36%)5529(Top 105%)
21M21.00 mi1.00 mi4743-2744417-2454417-2458757(Top 33%)6912(Top 46%)6912(Top 131%)
35K21.75 mi0.75 mi4813-704471-544471-546578(Top 25%)5615(Top 37%)5615(Top 106%)
23M23.00 mi1.25 mi5052-2394652-1814652-1819527(Top 36%)7231(Top 48%)7231(Top 137%)
24M24.00 mi1.00 mi5117-654703-514703-518109(Top 30%)6365(Top 42%)6365(Top 120%)
40K24.85 mi0.85 mi5206-894774-714774-719252(Top 35%)6938(Top 46%)6938(Top 131%)
25.2M25.20 mi0.35 mi5243-374801-274801-279126(Top 34%)6786(Top 45%)6786(Top 128%)
Finish26.22 mi1.02 mi5304-614845-444845-448800(Top 33%)6628(Top 44%)6628(Top 125%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5944

Males

5419

M18-39

5419

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3300

Males

3142

M18-39

3142

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5944

Males

5419

M18-39

5419

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3021

Males

2877

M18-39

2877

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3651

Males

3459

M18-39

3459

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3864

Males

3636

M18-39

3636

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4321

Males

4019

M18-39

4019

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6335

Males

5529

M18-39

5529

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8757

Males

6912

M18-39

6912

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6578

Males

5615

M18-39

5615

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9527

Males

7231

M18-39

7231

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8109

Males

6365

M18-39

6365

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9252

Males

6938

M18-39

6938

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9126

Males

6786

M18-39

6786

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8800

Males

6628

M18-39

6628

Passing Analysis

Category:
Athletes Passed
2409
Passed By
1955
Net Change
+454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5758
5K → 10K12975+1292#5758#4466
10K → 15K25548-523#4466#4989
15K → 20K5870+587#4989#4402
20K → Half513+48#4402#4354
Half → 25K15530+125#4354#4229
25K → 30K114125-11#4229#4240
30K → 20M23252-229#4240#4469
20M → 21M15289-274#4469#4743
21M → 35K2494-70#4743#4813
35K → 23M22261-239#4813#5052
23M → 24M37102-65#5052#5117
24M → 40K18107-89#5117#5206
40K → 25.2M946-37#5206#5243
25.2M → Finish3293-61#5243#5304
TOTALS24091955+454
📊

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