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BOSTON MARATHON 2023

Cory Kirkham

Bib: 1374•M

IN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:26
Rank: #1276
Start → 5K
19:26 | 6:15/mi
10K· 6.21 mi
38:35
Rank: #1226 (+50)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:44
Rank: #1179 (+47)
10K → 15K
19:09 | 6:10/mi
20K· 12.43 mi
1:17:23
Rank: #1225 (-46)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:21:30
Rank: #1207 (+18)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:36:22
Rank: #1138 (+69)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:55:52
Rank: #1074 (+64)
25K → 30K
19:30 | 6:17/mi
20M
2:04:28
Rank: #1047 (+27)
30K → 20M
8:36 | 6:20/mi
21M
2:12:34
Rank: #1240 (-193)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:17:14
Rank: #1223 (+17)
21M → 35K
4:40 | 6:14/mi
23M
2:25:08
Rank: #1178 (+45)
35K → 23M
7:54 | 6:19/mi
24M
2:31:28
Rank: #1173 (+5)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:37:05
Rank: #1184 (-11)
24M → 40K
5:37 | 6:34/mi
25.2M
2:39:30
Rank: #1189 (-5)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:46:07
Rank: #1217 (-28)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:30
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:24:37
Pace6:27 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0419:266:1519:26
6:15
-
10K
6.21 mi10:39:1338:356:1319:09
6:10
-0:05
15K
9.32 mi10:58:2257:446:1219:09
6:10
0:00
20K
12.43 mi11:18:011:17:236:1419:39
6:19
+0:09
Half
13.11 mi11:22:081:21:306:134:07
6:02
-0:17
25K
15.53 mi11:37:001:36:226:1214:52
6:08
+0:06
30K
18.64 mi11:56:301:55:526:1319:30
6:17
+0:09
20M
20.00 mi12:05:062:04:286:138:36
6:20
+0:03
21M
21.00 mi12:13:122:12:346:198:06
8:06
+1:46
35K
21.75 mi12:17:522:17:146:194:40
6:14
-1:52
23M
23.00 mi12:25:462:25:086:197:54
6:19
+0:05
24M
24.00 mi12:32:062:31:286:196:20
6:20
+0:01
40K
24.85 mi12:37:432:37:056:195:37
6:34
+0:14
25.2M
25.20 mi12:40:082:39:306:202:25
7:00
+0:26
Finish
26.22 mi12:46:452:46:076:206:37
6:30
-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

6:02 /mi

Average Pace

6:20 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:07

2% of race

Time at Steady Pace

2:25:52

88% of race

Time at Slower Pace

16:08

10% of race

Average Pace: 6:20 /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 mi10:20:0419:266:1519:26
6:15
#1276
10K
6.21 mi10:39:1338:356:1319:09
6:10
#1226
15K
9.32 mi10:58:2257:446:1219:09
6:10
#1179
20K
12.43 mi11:18:011:17:236:1419:39
6:19
#1225
Half
13.11 mi11:22:081:21:306:134:07
6:02
#1207
25K
15.53 mi11:37:001:36:226:1214:52
6:08
#1138
30K
18.64 mi11:56:301:55:526:1319:30
6:17
#1074
20M
20.00 mi12:05:062:04:286:138:36
6:20
#1047
21M
21.00 mi12:13:122:12:346:198:06
8:06
#1240
35K
21.75 mi12:17:522:17:146:194:40
6:14
#1223
23M
23.00 mi12:25:462:25:086:197:54
6:19
#1178
24M
24.00 mi12:32:062:31:286:196:20
6:20
#1173
40K
24.85 mi12:37:432:37:056:195:37
6:34
#1184
25.2M
25.20 mi12:40:082:39:306:202:25
7:00
#1189
Finish
26.22 mi12:46:452:46:076:206:37
6:30
#1217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1276121012101137(Top 4%)1084(Top 7%)1084(Top 21%)
10K6.21 mi3.10 mi1226+501161+491161+491215(Top 5%)1152(Top 8%)1152(Top 22%)
15K9.32 mi3.11 mi1179+471119+421119+421137(Top 4%)1084(Top 7%)1084(Top 21%)
20K12.43 mi3.11 mi1225-461167-481167-481492(Top 6%)1426(Top 9%)1426(Top 27%)
Half13.11 mi0.68 mi1207+181149+181149+18870(Top 3%)828(Top 5%)828(Top 16%)
25K15.53 mi2.42 mi1138+691083+661083+66823(Top 3%)780(Top 5%)780(Top 15%)
30K18.64 mi3.11 mi1074+641023+601023+60861(Top 3%)820(Top 5%)820(Top 16%)
20M20.00 mi1.36 mi1047+27996+27996+27947(Top 4%)904(Top 6%)904(Top 17%)
21M21.00 mi1.00 mi1240-1931185-1891185-1897960(Top 30%)6437(Top 42%)6437(Top 122%)
35K21.75 mi0.75 mi1223+171168+171168+171351(Top 5%)1281(Top 8%)1281(Top 24%)
23M23.00 mi1.25 mi1178+451125+431125+43864(Top 3%)820(Top 5%)820(Top 16%)
24M24.00 mi1.00 mi1173+51119+61119+61428(Top 5%)1351(Top 9%)1351(Top 26%)
40K24.85 mi0.85 mi1184-111129-101129-101772(Top 7%)1667(Top 11%)1667(Top 32%)
25.2M25.20 mi0.35 mi1189-51133-41133-41726(Top 6%)1619(Top 11%)1619(Top 31%)
Finish26.22 mi1.02 mi1217-281160-271160-272415(Top 9%)2223(Top 15%)2223(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1137

Males

1084

M18-39

1084

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1215

Males

1152

M18-39

1152

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1137

Males

1084

M18-39

1084

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1492

Males

1426

M18-39

1426

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

870

Males

828

M18-39

828

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

823

Males

780

M18-39

780

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

861

Males

820

M18-39

820

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

947

Males

904

M18-39

904

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7960

Males

6437

M18-39

6437

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1351

Males

1281

M18-39

1281

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

864

Males

820

M18-39

820

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1428

Males

1351

M18-39

1351

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1772

Males

1667

M18-39

1667

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1726

Males

1619

M18-39

1619

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2415

Males

2223

M18-39

2223

Passing Analysis

Category:
Athletes Passed
501
Passed By
442
Net Change
+59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1276
5K → 10K9545+50#1276#1226
10K → 15K6417+47#1226#1179
15K → 20K2167-46#1179#1225
20K → Half202+18#1225#1207
Half → 25K712+69#1207#1138
25K → 30K739+64#1138#1074
30K → 20M358+27#1074#1047
20M → 21M3196-193#1047#1240
21M → 35K258+17#1240#1223
35K → 23M505+45#1223#1178
23M → 24M1914+5#1178#1173
24M → 40K1021-11#1173#1184
40K → 25.2M611-5#1184#1189
25.2M → Finish937-28#1189#1217
TOTALS501442+59
📊

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