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BOSTON MARATHON 2023

Bryan Byrd

Bib: 3482•M

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
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
26:28
Rank: #17667
Start → 5K
26:28 | 8:31/mi
10K· 6.21 mi
52:35
Rank: #17648 (+19)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:18:39
Rank: #17442 (+206)
10K → 15K
26:04 | 8:23/mi
20K· 12.43 mi
1:43:31
Rank: #16489 (+953)
15K → 20K
24:52 | 8:00/mi
Half· 13.11 mi
1:48:48
Rank: #16269 (+220)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:08:17
Rank: #15734 (+535)
Half → 25K
19:29 | 8:02/mi
30K· 18.64 mi
2:32:34
Rank: #14684 (+1050)
25K → 30K
24:17 | 7:49/mi
20M
2:43:18
Rank: #14315 (+369)
30K → 20M
10:44 | 7:54/mi
21M
2:51:21
Rank: #13908 (+407)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:57:03
Rank: #13722 (+186)
21M → 35K
5:42 | 7:37/mi
23M
3:05:58
Rank: #13083 (+639)
35K → 23M
8:55 | 7:07/mi
24M
3:12:37
Rank: #12577 (+506)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
3:18:40
Rank: #12228 (+349)
24M → 40K
6:03 | 7:05/mi
25.2M
3:21:19
Rank: #12087 (+141)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:28:17
Rank: #11707 (+380)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
📊Negative Split: 8.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1326:288:3126:28
8:31
-
10K
6.21 mi10:54:2052:358:2826:07
8:24
-0:07
15K
9.32 mi11:20:241:18:398:2626:04
8:23
-0:01
20K
12.43 mi11:45:161:43:318:2024:52
8:00
-0:23
Half
13.11 mi11:50:331:48:488:185:17
7:45
-0:15
25K
15.53 mi12:10:022:08:178:1519:29
8:02
+0:17
30K
18.64 mi12:34:192:32:348:1124:17
7:49
-0:13
20M
20.00 mi12:45:032:43:188:1010:44
7:54
+0:05
21M
21.00 mi12:53:062:51:218:108:03
8:03
+0:09
35K
21.75 mi12:58:482:57:038:085:42
7:37
-0:26
23M
23.00 mi13:07:433:05:588:058:55
7:07
-0:30
24M
24.00 mi13:14:223:12:378:026:39
6:39
-0:28
40K
24.85 mi13:20:253:18:408:006:03
7:05
+0:26
25.2M
25.20 mi13:23:043:21:197:592:39
7:41
+0:36
Finish
26.22 mi13:30:023:28:177:576:58
6:50
-0:51

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

6:39 /mi

Average Pace

7:57 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:35

14% of race

Time at Steady Pace

1:41:03

49% of race

Time at Slower Pace

1:18:39

38% 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 mi10:28:1326:288:3126:28
8:31
#17667
10K
6.21 mi10:54:2052:358:2826:07
8:24
#17648
15K
9.32 mi11:20:241:18:398:2626:04
8:23
#17442
20K
12.43 mi11:45:161:43:318:2024:52
8:00
#16489
Half
13.11 mi11:50:331:48:488:185:17
7:45
#16269
25K
15.53 mi12:10:022:08:178:1519:29
8:02
#15734
30K
18.64 mi12:34:192:32:348:1124:17
7:49
#14684
20M
20.00 mi12:45:032:43:188:1010:44
7:54
#14315
21M
21.00 mi12:53:062:51:218:108:03
8:03
#13908
35K
21.75 mi12:58:482:57:038:085:42
7:37
#13722
23M
23.00 mi13:07:433:05:588:058:55
7:07
#13083
24M
24.00 mi13:14:223:12:378:026:39
6:39
#12577
40K
24.85 mi13:20:253:18:408:006:03
7:05
#12228
25.2M
25.20 mi13:23:043:21:197:592:39
7:41
#12087
Finish
26.22 mi13:30:023:28:177:576:58
6:50
#11707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17667112891128917073(Top 64%)11082(Top 73%)11082(Top 210%)
10K6.21 mi3.10 mi17648+1911311-2211311-2217605(Top 66%)11337(Top 75%)11337(Top 215%)
15K9.32 mi3.11 mi17442+20611235+7611235+7617073(Top 64%)11082(Top 73%)11082(Top 210%)
20K12.43 mi3.11 mi16489+95310866+36910866+36913441(Top 50%)9633(Top 63%)9633(Top 182%)
Half13.11 mi0.68 mi16269+22010780+8610780+8612191(Top 46%)9145(Top 60%)9145(Top 173%)
25K15.53 mi2.42 mi15734+53510545+23510545+23513006(Top 49%)9355(Top 62%)9355(Top 177%)
30K18.64 mi3.11 mi14684+105010123+42210123+4229491(Top 36%)7558(Top 50%)7558(Top 143%)
20M20.00 mi1.36 mi14315+3699927+1969927+1969557(Top 36%)7510(Top 49%)7510(Top 142%)
21M21.00 mi1.00 mi13908+4079769+1589769+1587679(Top 29%)6305(Top 42%)6305(Top 119%)
35K21.75 mi0.75 mi13722+1869684+859684+859405(Top 35%)7310(Top 48%)7310(Top 138%)
23M23.00 mi1.25 mi13083+6399395+2899395+2894418(Top 17%)4027(Top 27%)4027(Top 76%)
24M24.00 mi1.00 mi12577+5069163+2329163+2322868(Top 11%)2669(Top 18%)2669(Top 51%)
40K24.85 mi0.85 mi12228+3498993+1708993+1704272(Top 16%)3807(Top 25%)3807(Top 72%)
25.2M25.20 mi0.35 mi12087+1418912+818912+814835(Top 18%)4188(Top 28%)4188(Top 79%)
Finish26.22 mi1.02 mi11707+3808731+1818731+1814296(Top 16%)3772(Top 25%)3772(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17073

Males

11082

M18-39

11082

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17605

Males

11337

M18-39

11337

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17073

Males

11082

M18-39

11082

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13441

Males

9633

M18-39

9633

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12191

Males

9145

M18-39

9145

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13006

Males

9355

M18-39

9355

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9491

Males

7558

M18-39

7558

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9557

Males

7510

M18-39

7510

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7679

Males

6305

M18-39

6305

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9405

Males

7310

M18-39

7310

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4418

Males

4027

M18-39

4027

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2868

Males

2669

M18-39

2669

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4272

Males

3807

M18-39

3807

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4835

Males

4188

M18-39

4188

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4296

Males

3772

M18-39

3772

Passing Analysis

Category:
Athletes Passed
6386
Passed By
426
Net Change
+5960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17667
5K → 10K319300+19#17667#17648
10K → 15K319113+206#17648#17442
15K → 20K9563+953#17442#16489
20K → Half2200+220#16489#16269
Half → 25K5405+535#16269#15734
25K → 30K10500+1050#15734#14684
30K → 20M3701+369#14684#14315
20M → 21M4070+407#14315#13908
21M → 35K1893+186#13908#13722
35K → 23M6390+639#13722#13083
23M → 24M5060+506#13083#12577
24M → 40K3490+349#12577#12228
40K → 25.2M1410+141#12228#12087
25.2M → Finish3811+380#12087#11707
TOTALS6386426+5960
📊

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