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BOSTON MARATHON 2023

Christopher Busby

Bib: 1771•M

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:23
Rank: #1236
Start → 5K
19:23 | 6:14/mi
10K· 6.21 mi
38:42
Rank: #1289 (-53)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
58:06
Rank: #1300 (-11)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:17:36
Rank: #1293 (+7)
15K → 20K
19:30 | 6:17/mi
Half· 13.11 mi
1:21:48
Rank: #1278 (+15)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:19
Rank: #1327 (-49)
Half → 25K
15:31 | 6:24/mi
30K· 18.64 mi
1:57:12
Rank: #1294 (+33)
25K → 30K
19:53 | 6:24/mi
20M
2:05:59
Rank: #1288 (+6)
30K → 20M
8:47 | 6:28/mi
21M
2:12:38
Rank: #1246 (+42)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:17:14
Rank: #1221 (+25)
21M → 35K
4:36 | 6:09/mi
23M
2:25:16
Rank: #1199 (+22)
35K → 23M
8:02 | 6:25/mi
24M
2:31:40
Rank: #1199
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:37:02
Rank: #1176 (+23)
24M → 40K
5:22 | 6:17/mi
25.2M
2:39:17
Rank: #1154 (+22)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:45:17
Rank: #1113 (+41)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:48
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:23:29
Pace6:22 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0119:236:1419:23
6:14
-
10K
6.21 mi10:39:2038:426:1419:19
6:13
-0:01
15K
9.32 mi10:58:4458:066:1419:24
6:15
+0:02
20K
12.43 mi11:18:141:17:366:1519:30
6:17
+0:02
Half
13.11 mi11:22:261:21:486:144:12
6:09
-0:08
25K
15.53 mi11:37:571:37:196:1615:31
6:24
+0:15
30K
18.64 mi11:57:501:57:126:1719:53
6:24
0:00
20M
20.00 mi12:06:372:05:596:188:47
6:28
+0:04
21M
21.00 mi12:13:162:12:386:196:39
6:39
+0:11
35K
21.75 mi12:17:522:17:146:194:36
6:09
-0:30
23M
23.00 mi12:25:542:25:166:198:02
6:25
+0:16
24M
24.00 mi12:32:182:31:406:196:24
6:24
-0:01
40K
24.85 mi12:37:402:37:026:195:22
6:17
-0:07
25.2M
25.20 mi12:39:552:39:176:192:15
6:31
+0:14
Finish
26.22 mi12:45:552:45:176:196:00
5:53
-0:38

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

5:53 /mi

Average Pace

6:19 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:23

95% of race

Time at Steady Pace

8:54

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:20:0119:236:1419:23
6:14
#1236
10K
6.21 mi10:39:2038:426:1419:19
6:13
#1289
15K
9.32 mi10:58:4458:066:1419:24
6:15
#1300
20K
12.43 mi11:18:141:17:366:1519:30
6:17
#1293
Half
13.11 mi11:22:261:21:486:144:12
6:09
#1278
25K
15.53 mi11:37:571:37:196:1615:31
6:24
#1327
30K
18.64 mi11:57:501:57:126:1719:53
6:24
#1294
20M
20.00 mi12:06:372:05:596:188:47
6:28
#1288
21M
21.00 mi12:13:162:12:386:196:39
6:39
#1246
35K
21.75 mi12:17:522:17:146:194:36
6:09
#1221
23M
23.00 mi12:25:542:25:166:198:02
6:25
#1199
24M
24.00 mi12:32:182:31:406:196:24
6:24
#1199
40K
24.85 mi12:37:402:37:026:195:22
6:17
#1176
25.2M
25.20 mi12:39:552:39:176:192:15
6:31
#1154
Finish
26.22 mi12:45:552:45:176:196:00
5:53
#1113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1236117211721398(Top 5%)1331(Top 9%)1331(Top 25%)
10K6.21 mi3.10 mi1289-531224-521224-521410(Top 5%)1345(Top 9%)1345(Top 25%)
15K9.32 mi3.11 mi1300-111237-131237-131398(Top 5%)1331(Top 9%)1331(Top 25%)
20K12.43 mi3.11 mi1293+71232+51232+51303(Top 5%)1244(Top 8%)1244(Top 24%)
Half13.11 mi0.68 mi1278+151219+131219+131187(Top 4%)1136(Top 7%)1136(Top 21%)
25K15.53 mi2.42 mi1327-491266-471266-471704(Top 6%)1630(Top 11%)1630(Top 31%)
30K18.64 mi3.11 mi1294+331236+301236+301202(Top 5%)1146(Top 8%)1146(Top 22%)
20M20.00 mi1.36 mi1288+61230+61230+61308(Top 5%)1247(Top 8%)1247(Top 24%)
21M21.00 mi1.00 mi1246+421191+391191+39974(Top 4%)926(Top 6%)926(Top 18%)
35K21.75 mi0.75 mi1221+251166+251166+251074(Top 4%)1022(Top 7%)1022(Top 19%)
23M23.00 mi1.25 mi1199+221145+211145+211142(Top 4%)1078(Top 7%)1078(Top 20%)
24M24.00 mi1.00 mi11991143+21143+21661(Top 6%)1569(Top 10%)1569(Top 30%)
40K24.85 mi0.85 mi1176+231122+211122+21834(Top 3%)790(Top 5%)790(Top 15%)
25.2M25.20 mi0.35 mi1154+221100+221100+22553(Top 2%)521(Top 3%)521(Top 10%)
Finish26.22 mi1.02 mi1113+411060+401060+40506(Top 2%)483(Top 3%)483(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1398

Males

1331

M18-39

1331

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1410

Males

1345

M18-39

1345

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1398

Males

1331

M18-39

1331

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1303

Males

1244

M18-39

1244

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1187

Males

1136

M18-39

1136

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1704

Males

1630

M18-39

1630

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1202

Males

1146

M18-39

1146

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1308

Males

1247

M18-39

1247

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

974

Males

926

M18-39

926

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1074

Males

1022

M18-39

1022

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1142

Males

1078

M18-39

1078

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1661

Males

1569

M18-39

1569

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

834

Males

790

M18-39

790

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

553

Males

521

M18-39

521

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

506

Males

483

M18-39

483

Passing Analysis

Category:
Athletes Passed
462
Passed By
339
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1236
5K → 10K4699-53#1236#1289
10K → 15K3849-11#1289#1300
15K → 20K4437+7#1300#1293
20K → Half161+15#1293#1278
Half → 25K1261-49#1278#1327
25K → 30K5825+33#1327#1294
30K → 20M2620+6#1294#1288
20M → 21M475+42#1288#1246
21M → 35K305+25#1246#1221
35K → 23M3715+22#1221#1199
23M → 24M16160#1199#1199
24M → 40K263+23#1199#1176
40K → 25.2M242+22#1176#1154
25.2M → Finish421+41#1154#1113
TOTALS462339+123
📊

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