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BOSTON MARATHON 2023

Anders Szalkai

Bib: 2259•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M50-54)
#0 / 2052
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:00
Rank: #1972
Start → 5K
20:00 | 6:26/mi
10K· 6.21 mi
39:47
Rank: #1994 (-22)
5K → 10K
19:47 | 6:22/mi
15K· 9.32 mi
59:36
Rank: #1978 (+16)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:53
Rank: #2067 (-89)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:24:20
Rank: #2116 (-49)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:40:18
Rank: #2179 (-63)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:01:15
Rank: #2254 (-75)
25K → 30K
20:57 | 6:45/mi
20M
2:10:26
Rank: #2244 (+10)
30K → 20M
9:11 | 6:45/mi
21M
2:17:53
Rank: #2319 (-75)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:22:43
Rank: #2300 (+19)
21M → 35K
4:50 | 6:28/mi
23M
2:31:10
Rank: #2280 (+20)
35K → 23M
8:27 | 6:45/mi
24M
2:37:39
Rank: #2254 (+26)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:43:28
Rank: #2247 (+7)
24M → 40K
5:49 | 6:48/mi
25.2M
2:46:01
Rank: #2247
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:52:57
Rank: #2264 (-17)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:20
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3620:006:2620:00
6:26
-
10K
6.21 mi10:40:2339:476:2419:47
6:22
-0:04
15K
9.32 mi11:00:1259:366:2419:49
6:23
+0:01
20K
12.43 mi11:20:291:19:536:2620:17
6:32
+0:09
Half
13.11 mi11:24:561:24:206:264:27
6:31
-0:01
25K
15.53 mi11:40:541:40:186:2715:58
6:35
+0:04
30K
18.64 mi12:01:512:01:156:3020:57
6:45
+0:10
20M
20.00 mi12:11:022:10:266:319:11
6:45
0:00
21M
21.00 mi12:18:292:17:536:347:27
7:27
+0:42
35K
21.75 mi12:23:192:22:436:344:50
6:28
-0:59
23M
23.00 mi12:31:462:31:106:348:27
6:45
+0:17
24M
24.00 mi12:38:152:37:396:346:29
6:29
-0:16
40K
24.85 mi12:44:042:43:286:355:49
6:48
+0:19
25.2M
25.20 mi12:46:372:46:016:352:33
7:24
+0:36
Finish
26.22 mi12:53:332:52:576:366:56
6:48
-0:36

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

6:22 /mi

Average Pace

6:36 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:57

94% of race

Time at Steady Pace

10:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:20:3620:006:2620:00
6:26
#1972
10K
6.21 mi10:40:2339:476:2419:47
6:22
#1994
15K
9.32 mi11:00:1259:366:2419:49
6:23
#1978
20K
12.43 mi11:20:291:19:536:2620:17
6:32
#2067
Half
13.11 mi11:24:561:24:206:264:27
6:31
#2116
25K
15.53 mi11:40:541:40:186:2715:58
6:35
#2179
30K
18.64 mi12:01:512:01:156:3020:57
6:45
#2254
20M
20.00 mi12:11:022:10:266:319:11
6:45
#2244
21M
21.00 mi12:18:292:17:536:347:27
7:27
#2319
35K
21.75 mi12:23:192:22:436:344:50
6:28
#2300
23M
23.00 mi12:31:462:31:106:348:27
6:45
#2280
24M
24.00 mi12:38:152:37:396:346:29
6:29
#2254
40K
24.85 mi12:44:042:43:286:355:49
6:48
#2247
25.2M
25.20 mi12:46:372:46:016:352:33
7:24
#2247
Finish
26.22 mi12:53:332:52:576:366:56
6:48
#2264
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi1972188218821993(Top 7%)1908(Top 13%)1908(Top 93%)
10K6.21 mi3.10 mi1994-221911-291911-292068(Top 8%)1979(Top 13%)1979(Top 96%)
15K9.32 mi3.11 mi1978+161893+181893+181993(Top 7%)1908(Top 13%)1908(Top 93%)
20K12.43 mi3.11 mi2067-891979-861979-862447(Top 9%)2343(Top 15%)2343(Top 114%)
Half13.11 mi0.68 mi2116-492026-472026-472883(Top 11%)2758(Top 18%)2758(Top 134%)
25K15.53 mi2.42 mi2179-632090-642090-642610(Top 10%)2498(Top 16%)2498(Top 122%)
30K18.64 mi3.11 mi2254-752162-722162-722630(Top 10%)2498(Top 16%)2498(Top 122%)
20M20.00 mi1.36 mi2244+102153+92153+92545(Top 10%)2412(Top 16%)2412(Top 118%)
21M21.00 mi1.00 mi2319-752222-692222-694326(Top 16%)3952(Top 26%)3952(Top 193%)
35K21.75 mi0.75 mi2300+192203+192203+192227(Top 8%)2114(Top 14%)2114(Top 103%)
23M23.00 mi1.25 mi2280+202184+192184+192377(Top 9%)2234(Top 15%)2234(Top 109%)
24M24.00 mi1.00 mi2254+262160+242160+242025(Top 8%)1900(Top 13%)1900(Top 93%)
40K24.85 mi0.85 mi2247+72156+42156+42815(Top 11%)2589(Top 17%)2589(Top 126%)
25.2M25.20 mi0.35 mi22472154+22154+23321(Top 12%)3004(Top 20%)3004(Top 146%)
Finish26.22 mi1.02 mi2264-172168-142168-144054(Top 15%)3575(Top 24%)3575(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1993

Males

1908

M50-54

1908

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2068

Males

1979

M50-54

1979

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1993

Males

1908

M50-54

1908

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2447

Males

2343

M50-54

2343

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2883

Males

2758

M50-54

2758

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2610

Males

2498

M50-54

2498

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2630

Males

2498

M50-54

2498

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2545

Males

2412

M50-54

2412

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4326

Males

3952

M50-54

3952

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2227

Males

2114

M50-54

2114

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2377

Males

2234

M50-54

2234

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2025

Males

1900

M50-54

1900

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2815

Males

2589

M50-54

2589

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3321

Males

3004

M50-54

3004

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4054

Males

3575

M50-54

3575

Passing Analysis

Category:
Athletes Passed
494
Passed By
786
Net Change
-292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1972
5K → 10K90112-22#1972#1994
10K → 15K6953+16#1994#1978
15K → 20K34123-89#1978#2067
20K → Half150-49#2067#2116
Half → 25K2386-63#2116#2179
25K → 30K39114-75#2179#2254
30K → 20M4131+10#2254#2244
20M → 21M1287-75#2244#2319
21M → 35K3112+19#2319#2300
35K → 23M4121+20#2300#2280
23M → 24M4822+26#2280#2254
24M → 40K2821+7#2254#2247
40K → 25.2M13130#2247#2247
25.2M → Finish2441-17#2247#2264
TOTALS494786-292
📊

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