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BOSTON MARATHON 2023

Byron Gartrell

Bib: 4244•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3310
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
40:57
Rank: #3098 (+212)
5K → 10K
20:16 | 6:31/mi
15K· 9.32 mi
1:00:57
Rank: #2763 (+335)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:20:41
Rank: #2408 (+355)
15K → 20K
19:44 | 6:21/mi
Half· 13.11 mi
1:24:54
Rank: #2342 (+66)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:40:19
Rank: #2191 (+151)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
2:00:07
Rank: #1931 (+260)
25K → 30K
19:48 | 6:22/mi
20M
2:08:40
Rank: #1821 (+110)
30K → 20M
8:33 | 6:18/mi
21M
2:15:17
Rank: #1731 (+90)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:19:42
Rank: #1659 (+72)
21M → 35K
4:25 | 5:54/mi
23M
2:27:25
Rank: #1556 (+103)
35K → 23M
7:43 | 6:10/mi
24M
2:33:24
Rank: #1470 (+86)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:38:34
Rank: #1400 (+70)
24M → 40K
5:10 | 6:03/mi
25.2M
2:40:51
Rank: #1386 (+14)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:47:05
Rank: #1337 (+49)
25.2M → Finish
6:14 | 6:07/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:54
Pace6:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:11
Pace6:16 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3620:416:3920:41
6:39
-
10K
6.21 mi10:42:5240:576:3520:16
6:31
-0:08
15K
9.32 mi11:02:521:00:576:3220:00
6:26
-0:05
20K
12.43 mi11:22:361:20:416:3019:44
6:21
-0:05
Half
13.11 mi11:26:491:24:546:294:13
6:11
-0:10
25K
15.53 mi11:42:141:40:196:2715:25
6:22
+0:11
30K
18.64 mi12:02:022:00:076:2719:48
6:22
0:00
20M
20.00 mi12:10:352:08:406:268:33
6:18
-0:04
21M
21.00 mi12:17:122:15:176:276:37
6:37
+0:19
35K
21.75 mi12:21:372:19:426:254:25
5:54
-0:43
23M
23.00 mi12:29:202:27:256:257:43
6:10
+0:16
24M
24.00 mi12:35:192:33:246:245:59
5:59
-0:11
40K
24.85 mi12:40:292:38:346:235:10
6:03
+0:04
25.2M
25.20 mi12:42:462:40:516:232:17
6:37
+0:34
Finish
26.22 mi12:49:002:47:056:236:14
6:07
-0:30

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

5:54 /mi

Average Pace

6:23 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:14

70% of race

Time at Steady Pace

49:51

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:22:3620:416:3920:41
6:39
#3310
10K
6.21 mi10:42:5240:576:3520:16
6:31
#3098
15K
9.32 mi11:02:521:00:576:3220:00
6:26
#2763
20K
12.43 mi11:22:361:20:416:3019:44
6:21
#2408
Half
13.11 mi11:26:491:24:546:294:13
6:11
#2342
25K
15.53 mi11:42:141:40:196:2715:25
6:22
#2191
30K
18.64 mi12:02:022:00:076:2719:48
6:22
#1931
20M
20.00 mi12:10:352:08:406:268:33
6:18
#1821
21M
21.00 mi12:17:122:15:176:276:37
6:37
#1731
35K
21.75 mi12:21:372:19:426:254:25
5:54
#1659
23M
23.00 mi12:29:202:27:256:257:43
6:10
#1556
24M
24.00 mi12:35:192:33:246:245:59
5:59
#1470
40K
24.85 mi12:40:292:38:346:235:10
6:03
#1400
25.2M
25.20 mi12:42:462:40:516:232:17
6:37
#1386
Finish
26.22 mi12:49:002:47:056:236:14
6:07
#1337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3310312231222313(Top 9%)2220(Top 15%)2220(Top 99%)
10K6.21 mi3.10 mi3098+2122946+1762946+1762947(Top 11%)2815(Top 19%)2815(Top 126%)
15K9.32 mi3.11 mi2763+3352638+3082638+3082313(Top 9%)2220(Top 15%)2220(Top 99%)
20K12.43 mi3.11 mi2408+3552306+3322306+3321614(Top 6%)1543(Top 10%)1543(Top 69%)
Half13.11 mi0.68 mi2342+662245+612245+611338(Top 5%)1278(Top 8%)1278(Top 57%)
25K15.53 mi2.42 mi2191+1512101+1442101+1441567(Top 6%)1501(Top 10%)1501(Top 67%)
30K18.64 mi3.11 mi1931+2601848+2531848+2531144(Top 4%)1089(Top 7%)1089(Top 49%)
20M20.00 mi1.36 mi1821+1101740+1081740+108866(Top 3%)825(Top 5%)825(Top 37%)
21M21.00 mi1.00 mi1731+901657+831657+83912(Top 3%)865(Top 6%)865(Top 39%)
35K21.75 mi0.75 mi1659+721586+711586+71534(Top 2%)496(Top 3%)496(Top 22%)
23M23.00 mi1.25 mi1556+1031486+1001486+100577(Top 2%)544(Top 4%)544(Top 24%)
24M24.00 mi1.00 mi1470+861402+841402+84529(Top 2%)499(Top 3%)499(Top 22%)
40K24.85 mi0.85 mi1400+701335+671335+67406(Top 2%)380(Top 3%)380(Top 17%)
25.2M25.20 mi0.35 mi1386+141321+141321+14762(Top 3%)723(Top 5%)723(Top 32%)
Finish26.22 mi1.02 mi1337+491273+481273+481062(Top 4%)1011(Top 7%)1011(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2313

Males

2220

M40-44

2220

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2947

Males

2815

M40-44

2815

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2313

Males

2220

M40-44

2220

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1614

Males

1543

M40-44

1543

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1338

Males

1278

M40-44

1278

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1567

Males

1501

M40-44

1501

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1144

Males

1089

M40-44

1089

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

866

Males

825

M40-44

825

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

912

Males

865

M40-44

865

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

534

Males

496

M40-44

496

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

577

Males

544

M40-44

544

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

529

Males

499

M40-44

499

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

406

Males

380

M40-44

380

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

762

Males

723

M40-44

723

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1062

Males

1011

M40-44

1011

Passing Analysis

Category:
Athletes Passed
2067
Passed By
94
Net Change
+1973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3310
5K → 10K28270+212#3310#3098
10K → 15K3394+335#3098#2763
15K → 20K3550+355#2763#2408
20K → Half660+66#2408#2342
Half → 25K1587+151#2342#2191
25K → 30K2633+260#2191#1931
30K → 20M1100+110#1931#1821
20M → 21M900+90#1821#1731
21M → 35K731+72#1731#1659
35K → 23M1041+103#1659#1556
23M → 24M871+86#1556#1470
24M → 40K700+70#1470#1400
40K → 25.2M184+14#1400#1386
25.2M → Finish523+49#1386#1337
TOTALS206794+1973
📊

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