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BOSTON MARATHON 2025

Anders Szalkai

Bib: 4167•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M55-59)
#0 / 1648
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3841
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:45
Rank: #4196 (-355)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:40
Rank: #4512 (-316)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:23:01
Rank: #4819 (-307)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:27:39
Rank: #4881 (-62)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:44:28
Rank: #5021 (-140)
Half → 25K
16:49 | 6:56/mi
30K· 18.64 mi
2:06:29
Rank: #5028 (-7)
25K → 30K
22:01 | 7:05/mi
20M
2:16:19
Rank: #5060 (-32)
30K → 20M
9:50 | 7:14/mi
21M
2:23:58
Rank: #5058 (+2)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:29:00
Rank: #4981 (+77)
21M → 35K
5:02 | 6:44/mi
23M
2:37:44
Rank: #4856 (+125)
35K → 23M
8:44 | 6:59/mi
24M
2:44:21
Rank: #4703 (+153)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:50:17
Rank: #4624 (+79)
24M → 40K
5:56 | 6:56/mi
25.2M
2:52:56
Rank: #4619 (+5)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:59:53
Rank: #4656 (-37)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:14
Pace7:02 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5120:126:3020:12
6:30
-
10K
6.21 mi10:42:2440:456:3320:33
6:37
+0:07
15K
9.32 mi11:03:191:01:406:3720:55
6:44
+0:07
20K
12.43 mi11:24:401:23:016:4121:21
6:52
+0:08
Half
13.11 mi11:29:181:27:396:414:38
6:47
-0:05
25K
15.53 mi11:46:071:44:286:4316:49
6:56
+0:09
30K
18.64 mi12:08:082:06:296:4722:01
7:05
+0:09
20M
20.00 mi12:17:582:16:196:499:50
7:14
+0:09
21M
21.00 mi12:25:372:23:586:517:39
7:39
+0:25
35K
21.75 mi12:30:392:29:006:515:02
6:44
-0:55
23M
23.00 mi12:39:232:37:446:518:44
6:59
+0:15
24M
24.00 mi12:46:002:44:216:516:37
6:37
-0:22
40K
24.85 mi12:51:562:50:176:515:56
6:56
+0:19
25.2M
25.20 mi12:54:352:52:566:522:39
7:41
+0:45
Finish
26.22 mi13:01:322:59:536:526:57
6:49
-0:52

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

6:30 /mi

Average Pace

6:52 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:45

89% of race

Time at Steady Pace

17:29

10% of race

Time at Slower Pace

2:39

1% of race

Average Pace: 6:52 /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 mi10:21:5120:126:3020:12
6:30
#3841
10K
6.21 mi10:42:2440:456:3320:33
6:37
#4196
15K
9.32 mi11:03:191:01:406:3720:55
6:44
#4512
20K
12.43 mi11:24:401:23:016:4121:21
6:52
#4819
Half
13.11 mi11:29:181:27:396:414:38
6:47
#4881
25K
15.53 mi11:46:071:44:286:4316:49
6:56
#5021
30K
18.64 mi12:08:082:06:296:4722:01
7:05
#5028
20M
20.00 mi12:17:582:16:196:499:50
7:14
#5060
21M
21.00 mi12:25:372:23:586:517:39
7:39
#5058
35K
21.75 mi12:30:392:29:006:515:02
6:44
#4981
23M
23.00 mi12:39:232:37:446:518:44
6:59
#4856
24M
24.00 mi12:46:002:44:216:516:37
6:37
#4703
40K
24.85 mi12:51:562:50:176:515:56
6:56
#4624
25.2M
25.20 mi12:54:352:52:566:522:39
7:41
#4619
Finish
26.22 mi13:01:322:59:536:526:57
6:49
#4656
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi3841363436345374(Top 19%)4952(Top 31%)4952(Top 300%)
10K6.21 mi3.10 mi4196-3553948-3143948-3144577(Top 16%)4287(Top 27%)4287(Top 260%)
15K9.32 mi3.11 mi4512-3164238-2904238-2905374(Top 19%)4952(Top 31%)4952(Top 300%)
20K12.43 mi3.11 mi4819-3074493-2554493-2555937(Top 21%)5380(Top 33%)5380(Top 326%)
Half13.11 mi0.68 mi4881-624548-554548-555977(Top 21%)5398(Top 34%)5398(Top 328%)
25K15.53 mi2.42 mi5021-1404658-1104658-1105871(Top 21%)5290(Top 33%)5290(Top 321%)
30K18.64 mi3.11 mi5028-74633+254633+255226(Top 18%)4717(Top 29%)4717(Top 286%)
20M20.00 mi1.36 mi5060-324659-264659-265378(Top 19%)4753(Top 30%)4753(Top 288%)
21M21.00 mi1.00 mi5058+24649+104649+105353(Top 19%)4623(Top 29%)4623(Top 281%)
35K21.75 mi0.75 mi4981+774575+744575+743670(Top 13%)3317(Top 21%)3317(Top 201%)
23M23.00 mi1.25 mi4856+1254462+1134462+1133602(Top 13%)3258(Top 20%)3258(Top 198%)
24M24.00 mi1.00 mi4703+1534321+1414321+1412560(Top 9%)2354(Top 15%)2354(Top 143%)
40K24.85 mi0.85 mi4624+794247+744247+743552(Top 13%)3148(Top 20%)3148(Top 191%)
25.2M25.20 mi0.35 mi4619+54242+54242+54216(Top 15%)3572(Top 22%)3572(Top 217%)
Finish26.22 mi1.02 mi4656-374268-264268-264600(Top 16%)3850(Top 24%)3850(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5374

Males

4952

M55-59

4952

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4577

Males

4287

M55-59

4287

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5374

Males

4952

M55-59

4952

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5937

Males

5380

M55-59

5380

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5977

Males

5398

M55-59

5398

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5871

Males

5290

M55-59

5290

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5226

Males

4717

M55-59

4717

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5378

Males

4753

M55-59

4753

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5353

Males

4623

M55-59

4623

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3670

Males

3317

M55-59

3317

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3602

Males

3258

M55-59

3258

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2560

Males

2354

M55-59

2354

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3552

Males

3148

M55-59

3148

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4216

Males

3572

M55-59

3572

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4600

Males

3850

M55-59

3850

Passing Analysis

Category:
Athletes Passed
1047
Passed By
1862
Net Change
-815
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3841
5K → 10K38393-355#3841#4196
10K → 15K29345-316#4196#4512
15K → 20K57364-307#4512#4819
20K → Half870-62#4819#4881
Half → 25K72212-140#4881#5021
25K → 30K161168-7#5021#5028
30K → 20M6698-32#5028#5060
20M → 21M7371+2#5060#5058
21M → 35K9316+77#5058#4981
35K → 23M14722+125#4981#4856
23M → 24M1552+153#4856#4703
24M → 40K9415+79#4703#4624
40K → 25.2M2621+5#4624#4619
25.2M → Finish2865-37#4619#4656
TOTALS10471862-815
📊

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