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BOSTON MARATHON 2025

Zach Frazier

Bib: 25792•M

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 46%
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
21:27
Rank: #7110
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:37
Rank: #6828 (+282)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:04:08
Rank: #6927 (-99)
10K → 15K
21:31 | 6:56/mi
20K· 12.43 mi
1:26:04
Rank: #7038 (-111)
15K → 20K
21:56 | 7:04/mi
Half· 13.11 mi
1:30:45
Rank: #7007 (+31)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:48:19
Rank: #7087 (-80)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:12:21
Rank: #7354 (-267)
25K → 30K
24:02 | 7:44/mi
20M
2:23:02
Rank: #7411 (-57)
30K → 20M
10:41 | 7:52/mi
21M
2:31:42
Rank: #7540 (-129)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:37:37
Rank: #7658 (-118)
21M → 35K
5:55 | 7:55/mi
23M
2:49:33
Rank: #8389 (-731)
35K → 23M
11:56 | 9:32/mi
24M
2:57:28
Rank: #8471 (-82)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:05:07
Rank: #8787 (-316)
24M → 40K
7:39 | 8:57/mi
25.2M
3:08:39
Rank: #8977 (-190)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:17:02
Rank: #9213 (-236)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:46:17
Pace8:06 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:5621:276:5421:27
6:54
-
10K
6.21 mi11:58:0642:376:5221:10
6:49
-0:05
15K
9.32 mi12:19:371:04:086:5321:31
6:56
+0:07
20K
12.43 mi12:41:331:26:046:5621:56
7:04
+0:08
Half
13.11 mi12:46:141:30:456:554:41
6:52
-0:12
25K
15.53 mi13:03:481:48:196:5817:34
7:15
+0:23
30K
18.64 mi13:27:502:12:217:0624:02
7:44
+0:29
20M
20.00 mi13:38:312:23:027:0910:41
7:52
+0:08
21M
21.00 mi13:47:112:31:427:138:40
8:40
+0:48
35K
21.75 mi13:53:062:37:377:155:55
7:55
-0:45
23M
23.00 mi14:05:022:49:337:2211:56
9:32
+1:37
24M
24.00 mi14:12:572:57:287:247:55
7:55
-1:37
40K
24.85 mi14:20:363:05:077:277:39
8:57
+1:02
25.2M
25.20 mi14:24:083:08:397:293:32
10:15
+1:18
Finish
26.22 mi14:32:313:17:027:318:23
8:14
-2:01

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

6:49 /mi

Average Pace

7:31 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:19

55% of race

Time at Steady Pace

56:56

29% of race

Time at Slower Pace

31:47

16% of race

Average Pace: 7:31 /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 mi11:36:5621:276:5421:27
6:54
#7110
10K
6.21 mi11:58:0642:376:5221:10
6:49
#6828
15K
9.32 mi12:19:371:04:086:5321:31
6:56
#6927
20K
12.43 mi12:41:331:26:046:5621:56
7:04
#7038
Half
13.11 mi12:46:141:30:456:554:41
6:52
#7007
25K
15.53 mi13:03:481:48:196:5817:34
7:15
#7087
30K
18.64 mi13:27:502:12:217:0624:02
7:44
#7354
20M
20.00 mi13:38:312:23:027:0910:41
7:52
#7411
21M
21.00 mi13:47:112:31:427:138:40
8:40
#7540
35K
21.75 mi13:53:062:37:377:155:55
7:55
#7658
23M
23.00 mi14:05:022:49:337:2211:56
9:32
#8389
24M
24.00 mi14:12:572:57:287:247:55
7:55
#8471
40K
24.85 mi14:20:363:05:077:277:39
8:57
#8787
25.2M
25.20 mi14:24:083:08:397:293:32
10:15
#8977
Finish
26.22 mi14:32:313:17:027:318:23
8:14
#9213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7110638963897126(Top 25%)6344(Top 39%)6344(Top 112%)
10K6.21 mi3.10 mi6828+2826158+2316158+2316540(Top 23%)5917(Top 37%)5917(Top 105%)
15K9.32 mi3.11 mi6927-996224-666224-667126(Top 25%)6344(Top 39%)6344(Top 112%)
20K12.43 mi3.11 mi7038-1116303-796303-797255(Top 26%)6388(Top 40%)6388(Top 113%)
Half13.11 mi0.68 mi7007+316277+266277+266692(Top 24%)5988(Top 37%)5988(Top 106%)
25K15.53 mi2.42 mi7087-806323-466323-467951(Top 28%)6736(Top 42%)6736(Top 119%)
30K18.64 mi3.11 mi7354-2676464-1416464-1419432(Top 33%)7392(Top 46%)7392(Top 131%)
20M20.00 mi1.36 mi7411-576465-16465-19431(Top 33%)7222(Top 45%)7222(Top 128%)
21M21.00 mi1.00 mi7540-1296509-446509-4411441(Top 40%)8085(Top 50%)8085(Top 143%)
35K21.75 mi0.75 mi7658-1186570-616570-6111577(Top 41%)8112(Top 50%)8112(Top 144%)
23M23.00 mi1.25 mi8389-7316981-4116981-41118808(Top 66%)11350(Top 70%)11350(Top 201%)
24M24.00 mi1.00 mi8471-826997-166997-1610631(Top 37%)7487(Top 46%)7487(Top 133%)
40K24.85 mi0.85 mi8787-3167137-1407137-14015958(Top 56%)9884(Top 61%)9884(Top 175%)
25.2M25.20 mi0.35 mi8977-1907239-1027239-10217991(Top 63%)10791(Top 67%)10791(Top 191%)
Finish26.22 mi1.02 mi9213-2367330-917330-9114413(Top 51%)9207(Top 57%)9207(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7126

Males

6344

M18-39

6344

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6540

Males

5917

M18-39

5917

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7126

Males

6344

M18-39

6344

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7255

Males

6388

M18-39

6388

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6692

Males

5988

M18-39

5988

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7951

Males

6736

M18-39

6736

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9432

Males

7392

M18-39

7392

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9431

Males

7222

M18-39

7222

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11441

Males

8085

M18-39

8085

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11577

Males

8112

M18-39

8112

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18808

Males

11350

M18-39

11350

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10631

Males

7487

M18-39

7487

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15958

Males

9884

M18-39

9884

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17991

Males

10791

M18-39

10791

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14413

Males

9207

M18-39

9207

Passing Analysis

Category:
Athletes Passed
1105
Passed By
3208
Net Change
-2103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7110
5K → 10K35472+282#7110#6828
10K → 15K111210-99#6828#6927
15K → 20K101212-111#6927#7038
20K → Half4514+31#7038#7007
Half → 25K92172-80#7007#7087
25K → 30K106373-267#7087#7354
30K → 20M85142-57#7354#7411
20M → 21M51180-129#7411#7540
21M → 35K28146-118#7540#7658
35K → 23M14745-731#7658#8389
23M → 24M52134-82#8389#8471
24M → 40K31347-316#8471#8787
40K → 25.2M5195-190#8787#8977
25.2M → Finish30266-236#8977#9213
TOTALS11053208-2103
📊

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