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BOSTON MARATHON 2025

Zack Toth

Bib: 2111•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:12
Rank: #1749
Start → 5K
19:12 | 6:11/mi
10K· 6.21 mi
38:32
Rank: #1884 (-135)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
57:59
Rank: #1947 (-63)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:17:48
Rank: #2055 (-108)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:22:09
Rank: #2102 (-47)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:38:01
Rank: #2227 (-125)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:00:18
Rank: #2740 (-513)
25K → 30K
22:17 | 7:10/mi
20M
2:10:36
Rank: #3045 (-305)
30K → 20M
10:18 | 7:35/mi
21M
2:19:27
Rank: #3500 (-455)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:25:09
Rank: #3666 (-166)
21M → 35K
5:42 | 7:37/mi
23M
2:35:14
Rank: #4020 (-354)
35K → 23M
10:05 | 8:03/mi
24M
2:43:30
Rank: #4413 (-393)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
2:51:28
Rank: #5004 (-591)
24M → 40K
7:58 | 9:19/mi
25.2M
2:54:47
Rank: #5131 (-127)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:01:59
Rank: #5107 (+24)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:39:50
Pace7:37 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3919:126:1119:12
6:11
-
10K
6.21 mi10:38:5938:326:1219:20
6:13
+0:02
15K
9.32 mi10:58:2657:596:1319:27
6:16
+0:03
20K
12.43 mi11:18:151:17:486:1619:49
6:23
+0:07
Half
13.11 mi11:22:361:22:096:164:21
6:23
0:00
25K
15.53 mi11:38:281:38:016:1915:52
6:33
+0:10
30K
18.64 mi12:00:452:00:186:2722:17
7:10
+0:37
20M
20.00 mi12:11:032:10:366:3210:18
7:35
+0:25
21M
21.00 mi12:19:542:19:276:388:51
8:51
+1:16
35K
21.75 mi12:25:362:25:096:405:42
7:37
-1:14
23M
23.00 mi12:35:412:35:146:4510:05
8:03
+0:26
24M
24.00 mi12:43:572:43:306:498:16
8:16
+0:13
40K
24.85 mi12:51:552:51:286:547:58
9:19
+1:03
25.2M
25.20 mi12:55:142:54:476:563:19
9:37
+0:18
Finish
26.22 mi13:02:263:01:596:577:12
7:04
-2:33

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

6:11 /mi

Average Pace

6:57 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:01

54% of race

Time at Steady Pace

45:29

25% of race

Time at Slower Pace

38:29

21% of race

Average Pace: 6:56 /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 mi10:19:3919:126:1119:12
6:11
#1749
10K
6.21 mi10:38:5938:326:1219:20
6:13
#1884
15K
9.32 mi10:58:2657:596:1319:27
6:16
#1947
20K
12.43 mi11:18:151:17:486:1619:49
6:23
#2055
Half
13.11 mi11:22:361:22:096:164:21
6:23
#2102
25K
15.53 mi11:38:281:38:016:1915:52
6:33
#2227
30K
18.64 mi12:00:452:00:186:2722:17
7:10
#2740
20M
20.00 mi12:11:032:10:366:3210:18
7:35
#3045
21M
21.00 mi12:19:542:19:276:388:51
8:51
#3500
35K
21.75 mi12:25:362:25:096:405:42
7:37
#3666
23M
23.00 mi12:35:412:35:146:4510:05
8:03
#4020
24M
24.00 mi12:43:572:43:306:498:16
8:16
#4413
40K
24.85 mi12:51:552:51:286:547:58
9:19
#5004
25.2M
25.20 mi12:55:142:54:476:563:19
9:37
#5131
Finish
26.22 mi13:02:263:01:596:577:12
7:04
#5107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1749166116612154(Top 8%)2056(Top 13%)2056(Top 36%)
10K6.21 mi3.10 mi1884-1351793-1321793-1322021(Top 7%)1925(Top 12%)1925(Top 34%)
15K9.32 mi3.11 mi1947-631852-591852-592154(Top 8%)2056(Top 13%)2056(Top 36%)
20K12.43 mi3.11 mi2055-1081962-1101962-1102407(Top 8%)2296(Top 14%)2296(Top 41%)
Half13.11 mi0.68 mi2102-472006-442006-442935(Top 10%)2802(Top 17%)2802(Top 50%)
25K15.53 mi2.42 mi2227-1252126-1202126-1203125(Top 11%)2959(Top 18%)2959(Top 52%)
30K18.64 mi3.11 mi2740-5132612-4862612-4865735(Top 20%)5117(Top 32%)5117(Top 91%)
20M20.00 mi1.36 mi3045-3052890-2782890-2787500(Top 26%)6129(Top 38%)6129(Top 109%)
21M21.00 mi1.00 mi3500-4553305-4153305-41512575(Top 44%)8623(Top 54%)8623(Top 153%)
35K21.75 mi0.75 mi3666-1663447-1423447-1429400(Top 33%)7043(Top 44%)7043(Top 125%)
23M23.00 mi1.25 mi4020-3543743-2963743-29610393(Top 37%)7417(Top 46%)7417(Top 131%)
24M24.00 mi1.00 mi4413-3934074-3314074-33112974(Top 46%)8621(Top 54%)8621(Top 153%)
40K24.85 mi0.85 mi5004-5914566-4924566-49217892(Top 63%)10759(Top 67%)10759(Top 191%)
25.2M25.20 mi0.35 mi5131-1274664-984664-9815077(Top 53%)9416(Top 58%)9416(Top 167%)
Finish26.22 mi1.02 mi5107+244639+254639+256125(Top 22%)4801(Top 30%)4801(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2154

Males

2056

M18-39

2056

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2021

Males

1925

M18-39

1925

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2154

Males

2056

M18-39

2056

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2407

Males

2296

M18-39

2296

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2935

Males

2802

M18-39

2802

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3125

Males

2959

M18-39

2959

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5735

Males

5117

M18-39

5117

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7500

Males

6129

M18-39

6129

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12575

Males

8623

M18-39

8623

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9400

Males

7043

M18-39

7043

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10393

Males

7417

M18-39

7417

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12974

Males

8621

M18-39

8621

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17892

Males

10759

M18-39

10759

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15077

Males

9416

M18-39

9416

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6125

Males

4801

M18-39

4801

Passing Analysis

Category:
Athletes Passed
302
Passed By
3660
Net Change
-3358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1749
5K → 10K49184-135#1749#1884
10K → 15K38101-63#1884#1947
15K → 20K40148-108#1947#2055
20K → Half249-47#2055#2102
Half → 25K22147-125#2102#2227
25K → 30K21534-513#2227#2740
30K → 20M14319-305#2740#3045
20M → 21M0455-455#3045#3500
21M → 35K12178-166#3500#3666
35K → 23M24378-354#3666#4020
23M → 24M11404-393#4020#4413
24M → 40K8599-591#4413#5004
40K → 25.2M5132-127#5004#5131
25.2M → Finish5632+24#5131#5107
TOTALS3023660-3358
📊

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