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BOSTON MARATHON 2025

Mason Holt

Bib: 1900•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:44
Rank: #1164
Start → 5K
18:44 | 6:02/mi
10K· 6.21 mi
37:21
Rank: #1106 (+58)
5K → 10K
18:37 | 6:00/mi
15K· 9.32 mi
56:14
Rank: #1153 (-47)
10K → 15K
18:53 | 6:05/mi
20K· 12.43 mi
1:15:36
Rank: #1251 (-98)
15K → 20K
19:22 | 6:14/mi
Half· 13.11 mi
1:19:51
Rank: #1296 (-45)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:35:17
Rank: #1407 (-111)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
1:56:00
Rank: #1596 (-189)
25K → 30K
20:43 | 6:40/mi
20M
2:05:22
Rank: #1687 (-91)
30K → 20M
9:22 | 6:54/mi
21M
2:12:37
Rank: #1740 (-53)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:17:33
Rank: #1761 (-21)
21M → 35K
4:56 | 6:36/mi
23M
2:26:07
Rank: #1783 (-22)
35K → 23M
8:34 | 6:51/mi
24M
2:32:53
Rank: #1841 (-58)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:38:52
Rank: #1876 (-35)
24M → 40K
5:59 | 7:00/mi
25.2M
2:41:26
Rank: #1892 (-16)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:48:05
Rank: #1904 (-12)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:51
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1618:446:0218:44
6:02
-
10K
6.21 mi10:37:5337:216:0118:37
6:00
-0:02
15K
9.32 mi10:56:4656:146:0218:53
6:05
+0:05
20K
12.43 mi11:16:081:15:366:0519:22
6:14
+0:09
Half
13.11 mi11:20:231:19:516:054:15
6:14
0:00
25K
15.53 mi11:35:491:35:176:0815:26
6:22
+0:08
30K
18.64 mi11:56:321:56:006:1320:43
6:40
+0:18
20M
20.00 mi12:05:542:05:226:169:22
6:54
+0:14
21M
21.00 mi12:13:092:12:376:197:15
7:15
+0:21
35K
21.75 mi12:18:052:17:336:194:56
6:36
-0:39
23M
23.00 mi12:26:392:26:076:218:34
6:51
+0:15
24M
24.00 mi12:33:252:32:536:226:46
6:46
-0:05
40K
24.85 mi12:39:242:38:526:245:59
7:00
+0:14
25.2M
25.20 mi12:41:582:41:266:242:34
7:27
+0:27
Finish
26.22 mi12:48:372:48:056:256:39
6:32
-0:55

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

6:00 /mi

Average Pace

6:25 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:17

57% of race

Time at Steady Pace

39:04

23% of race

Time at Slower Pace

33:44

20% of race

Average Pace: 6:25 /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 mi10:19:1618:446:0218:44
6:02
#1164
10K
6.21 mi10:37:5337:216:0118:37
6:00
#1106
15K
9.32 mi10:56:4656:146:0218:53
6:05
#1153
20K
12.43 mi11:16:081:15:366:0519:22
6:14
#1251
Half
13.11 mi11:20:231:19:516:054:15
6:14
#1296
25K
15.53 mi11:35:491:35:176:0815:26
6:22
#1407
30K
18.64 mi11:56:321:56:006:1320:43
6:40
#1596
20M
20.00 mi12:05:542:05:226:169:22
6:54
#1687
21M
21.00 mi12:13:092:12:376:197:15
7:15
#1740
35K
21.75 mi12:18:052:17:336:194:56
6:36
#1761
23M
23.00 mi12:26:392:26:076:218:34
6:51
#1783
24M
24.00 mi12:33:252:32:536:226:46
6:46
#1841
40K
24.85 mi12:39:242:38:526:245:59
7:00
#1876
25.2M
25.20 mi12:41:582:41:266:242:34
7:27
#1892
Finish
26.22 mi12:48:372:48:056:256:39
6:32
#1904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1164110211021298(Top 5%)1233(Top 8%)1233(Top 22%)
10K6.21 mi3.10 mi1106+581043+591043+591086(Top 4%)1024(Top 6%)1024(Top 18%)
15K9.32 mi3.11 mi1153-471091-481091-481298(Top 5%)1233(Top 8%)1233(Top 22%)
20K12.43 mi3.11 mi1251-981184-931184-931722(Top 6%)1638(Top 10%)1638(Top 29%)
Half13.11 mi0.68 mi1296-451227-431227-432176(Top 8%)2080(Top 13%)2080(Top 37%)
25K15.53 mi2.42 mi1407-1111335-1081335-1082191(Top 8%)2086(Top 13%)2086(Top 37%)
30K18.64 mi3.11 mi1596-1891513-1781513-1782723(Top 10%)2577(Top 16%)2577(Top 46%)
20M20.00 mi1.36 mi1687-911602-891602-893480(Top 12%)3216(Top 20%)3216(Top 57%)
21M21.00 mi1.00 mi1740-531652-501652-503379(Top 12%)3101(Top 19%)3101(Top 55%)
35K21.75 mi0.75 mi1761-211671-191671-192939(Top 10%)2711(Top 17%)2711(Top 48%)
23M23.00 mi1.25 mi1783-221691-201691-202915(Top 10%)2670(Top 17%)2670(Top 47%)
24M24.00 mi1.00 mi1841-581744-531744-533332(Top 12%)2998(Top 19%)2998(Top 53%)
40K24.85 mi0.85 mi1876-351778-341778-343884(Top 14%)3403(Top 21%)3403(Top 60%)
25.2M25.20 mi0.35 mi1892-161792-141792-143170(Top 11%)2811(Top 17%)2811(Top 50%)
Finish26.22 mi1.02 mi1904-121803-111803-112958(Top 10%)2639(Top 16%)2639(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1298

Males

1233

M18-39

1233

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1086

Males

1024

M18-39

1024

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1298

Males

1233

M18-39

1233

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1722

Males

1638

M18-39

1638

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2176

Males

2080

M18-39

2080

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2191

Males

2086

M18-39

2086

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2723

Males

2577

M18-39

2577

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3480

Males

3216

M18-39

3216

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3379

Males

3101

M18-39

3101

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2939

Males

2711

M18-39

2711

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2915

Males

2670

M18-39

2670

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3332

Males

2998

M18-39

2998

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3884

Males

3403

M18-39

3403

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3170

Males

2811

M18-39

2811

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2958

Males

2639

M18-39

2639

Passing Analysis

Category:
Athletes Passed
324
Passed By
1064
Net Change
-740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1164
5K → 10K9537+58#1164#1106
10K → 15K1865-47#1106#1153
15K → 20K16114-98#1153#1251
20K → Half045-45#1251#1296
Half → 25K18129-111#1296#1407
25K → 30K16205-189#1407#1596
30K → 20M17108-91#1596#1687
20M → 21M2275-53#1687#1740
21M → 35K1738-21#1740#1761
35K → 23M3254-22#1761#1783
23M → 24M1977-58#1783#1841
24M → 40K2156-35#1841#1876
40K → 25.2M521-16#1876#1892
25.2M → Finish2840-12#1892#1904
TOTALS3241064-740
📊

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