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BOSTON MARATHON 2023

Alexander Katsaras

Bib: 2065•M

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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:09
Rank: #1055
Start → 5K
19:09 | 6:10/mi
10K· 6.21 mi
38:21
Rank: #1137 (-82)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:43
Rank: #1172 (-35)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:17:07
Rank: #1165 (+7)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:21:22
Rank: #1178 (-13)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:36:43
Rank: #1204 (-26)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:56:41
Rank: #1201 (+3)
25K → 30K
19:58 | 6:26/mi
20M
2:05:33
Rank: #1206 (-5)
30K → 20M
8:52 | 6:31/mi
21M
2:12:19
Rank: #1191 (+15)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:16:58
Rank: #1179 (+12)
21M → 35K
4:39 | 6:13/mi
23M
2:24:49
Rank: #1138 (+41)
35K → 23M
7:51 | 6:16/mi
24M
2:30:52
Rank: #1107 (+31)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:36:09
Rank: #1070 (+37)
24M → 40K
5:17 | 6:11/mi
25.2M
2:38:26
Rank: #1061 (+9)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:44:42
Rank: #1045 (+16)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:22
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:23:20
Pace6:21 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4819:096:1019:09
6:10
-
10K
6.21 mi10:39:0038:216:1019:12
6:11
+0:01
15K
9.32 mi10:58:2257:436:1219:22
6:14
+0:03
20K
12.43 mi11:17:461:17:076:1219:24
6:15
+0:01
Half
13.11 mi11:22:011:21:226:124:15
6:14
-0:01
25K
15.53 mi11:37:221:36:436:1415:21
6:20
+0:06
30K
18.64 mi11:57:201:56:416:1619:58
6:26
+0:06
20M
20.00 mi12:06:122:05:336:178:52
6:31
+0:05
21M
21.00 mi12:12:582:12:196:186:46
6:46
+0:15
35K
21.75 mi12:17:372:16:586:184:39
6:13
-0:33
23M
23.00 mi12:25:282:24:496:187:51
6:16
+0:03
24M
24.00 mi12:31:312:30:526:176:03
6:03
-0:13
40K
24.85 mi12:36:482:36:096:175:17
6:11
+0:08
25.2M
25.20 mi12:39:052:38:266:172:17
6:37
+0:26
Finish
26.22 mi12:45:212:44:426:176:16
6:09
-0:28

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

6:03 /mi

Average Pace

6:17 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:56

96% of race

Time at Steady Pace

6:46

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:19:4819:096:1019:09
6:10
#1055
10K
6.21 mi10:39:0038:216:1019:12
6:11
#1137
15K
9.32 mi10:58:2257:436:1219:22
6:14
#1172
20K
12.43 mi11:17:461:17:076:1219:24
6:15
#1165
Half
13.11 mi11:22:011:21:226:124:15
6:14
#1178
25K
15.53 mi11:37:221:36:436:1415:21
6:20
#1204
30K
18.64 mi11:57:201:56:416:1619:58
6:26
#1201
20M
20.00 mi12:06:122:05:336:178:52
6:31
#1206
21M
21.00 mi12:12:582:12:196:186:46
6:46
#1191
35K
21.75 mi12:17:372:16:586:184:39
6:13
#1179
23M
23.00 mi12:25:282:24:496:187:51
6:16
#1138
24M
24.00 mi12:31:312:30:526:176:03
6:03
#1107
40K
24.85 mi12:36:482:36:096:175:17
6:11
#1070
25.2M
25.20 mi12:39:052:38:266:172:17
6:37
#1061
Finish
26.22 mi12:45:212:44:426:176:16
6:09
#1045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10559979971355(Top 5%)1289(Top 8%)1289(Top 24%)
10K6.21 mi3.10 mi1137-821074-771074-771261(Top 5%)1198(Top 8%)1198(Top 23%)
15K9.32 mi3.11 mi1172-351112-381112-381355(Top 5%)1289(Top 8%)1289(Top 24%)
20K12.43 mi3.11 mi1165+71109+31109+31187(Top 4%)1134(Top 7%)1134(Top 21%)
Half13.11 mi0.68 mi1178-131122-131122-131452(Top 5%)1388(Top 9%)1388(Top 26%)
25K15.53 mi2.42 mi1204-261149-271149-271441(Top 5%)1378(Top 9%)1378(Top 26%)
30K18.64 mi3.11 mi1201+31146+31146+31294(Top 5%)1236(Top 8%)1236(Top 23%)
20M20.00 mi1.36 mi1206-51152-61152-61509(Top 6%)1437(Top 9%)1437(Top 27%)
21M21.00 mi1.00 mi1191+151137+151137+151296(Top 5%)1237(Top 8%)1237(Top 23%)
35K21.75 mi0.75 mi1179+121125+121125+121278(Top 5%)1215(Top 8%)1215(Top 23%)
23M23.00 mi1.25 mi1138+411086+391086+39765(Top 3%)724(Top 5%)724(Top 14%)
24M24.00 mi1.00 mi1107+311055+311055+31653(Top 2%)618(Top 4%)618(Top 12%)
40K24.85 mi0.85 mi1070+371018+371018+37629(Top 2%)594(Top 4%)594(Top 11%)
25.2M25.20 mi0.35 mi1061+91009+91009+9706(Top 3%)671(Top 4%)671(Top 13%)
Finish26.22 mi1.02 mi1045+16994+15994+151123(Top 4%)1069(Top 7%)1069(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1355

Males

1289

M18-39

1289

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1261

Males

1198

M18-39

1198

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1355

Males

1289

M18-39

1289

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1187

Males

1134

M18-39

1134

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1452

Males

1388

M18-39

1388

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1441

Males

1378

M18-39

1378

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1294

Males

1236

M18-39

1236

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1509

Males

1437

M18-39

1437

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1296

Males

1237

M18-39

1237

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1278

Males

1215

M18-39

1215

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

765

Males

724

M18-39

724

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

653

Males

618

M18-39

618

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

629

Males

594

M18-39

594

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

706

Males

671

M18-39

671

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1123

Males

1069

M18-39

1069

Passing Analysis

Category:
Athletes Passed
353
Passed By
343
Net Change
+10
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1055
5K → 10K21103-82#1055#1137
10K → 15K2257-35#1137#1172
15K → 20K3427+7#1172#1165
20K → Half316-13#1165#1178
Half → 25K1642-26#1178#1204
25K → 30K4239+3#1204#1201
30K → 20M1621-5#1201#1206
20M → 21M3217+15#1206#1191
21M → 35K164+12#1191#1179
35K → 23M476+41#1179#1138
23M → 24M321+31#1138#1107
24M → 40K381+37#1107#1070
40K → 25.2M112+9#1070#1061
25.2M → Finish237+16#1061#1045
TOTALS353343+10
📊

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