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BOSTON MARATHON 2025

Zachary Fort

Bib: 4514•M

NM

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
20:22
Rank: #4240
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:40
Rank: #4104 (+136)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:01:11
Rank: #4125 (-21)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:21:57
Rank: #4119 (+6)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:26:25
Rank: #4095 (+24)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:59
Rank: #4213 (-118)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:05:04
Rank: #4383 (-170)
25K → 30K
22:05 | 7:06/mi
20M
2:14:52
Rank: #4454 (-71)
30K → 20M
9:48 | 7:13/mi
21M
2:22:37
Rank: #4539 (-85)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:27:54
Rank: #4564 (-25)
21M → 35K
5:17 | 7:04/mi
23M
2:37:02
Rank: #4611 (-47)
35K → 23M
9:08 | 7:18/mi
24M
2:44:21
Rank: #4705 (-94)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:50:48
Rank: #4804 (-99)
24M → 40K
6:27 | 7:33/mi
25.2M
2:53:36
Rank: #4834 (-30)
40K → 25.2M
2:48 | 8:08/mi
Finish· 26.22 mi
3:01:53
Rank: #5091 (-257)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:25
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:35:28
Pace7:17 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0420:226:3320:22
6:33
-
10K
6.21 mi10:44:2240:406:3320:18
6:32
-0:01
15K
9.32 mi11:04:531:01:116:3420:31
6:36
+0:04
20K
12.43 mi11:25:391:21:576:3620:46
6:41
+0:05
Half
13.11 mi11:30:071:26:256:364:28
6:33
-0:08
25K
15.53 mi11:46:411:42:596:3816:34
6:50
+0:17
30K
18.64 mi12:08:462:05:046:4322:05
7:06
+0:16
20M
20.00 mi12:18:342:14:526:459:48
7:13
+0:07
21M
21.00 mi12:26:192:22:376:477:45
7:45
+0:32
35K
21.75 mi12:31:362:27:546:485:17
7:04
-0:41
23M
23.00 mi12:40:442:37:026:509:08
7:18
+0:14
24M
24.00 mi12:48:032:44:216:517:19
7:19
+0:01
40K
24.85 mi12:54:302:50:486:526:27
7:33
+0:14
25.2M
25.20 mi12:57:182:53:366:532:48
8:08
+0:35
Finish
26.22 mi13:05:353:01:536:578:17
8:08
0:00

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

6:32 /mi

Average Pace

6:57 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:59

57% of race

Time at Steady Pace

53:37

29% of race

Time at Slower Pace

25:17

14% 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 mi10:24:0420:226:3320:22
6:33
#4240
10K
6.21 mi10:44:2240:406:3320:18
6:32
#4104
15K
9.32 mi11:04:531:01:116:3420:31
6:36
#4125
20K
12.43 mi11:25:391:21:576:3620:46
6:41
#4119
Half
13.11 mi11:30:071:26:256:364:28
6:33
#4095
25K
15.53 mi11:46:411:42:596:3816:34
6:50
#4213
30K
18.64 mi12:08:462:05:046:4322:05
7:06
#4383
20M
20.00 mi12:18:342:14:526:459:48
7:13
#4454
21M
21.00 mi12:26:192:22:376:477:45
7:45
#4539
35K
21.75 mi12:31:362:27:546:485:17
7:04
#4564
23M
23.00 mi12:40:442:37:026:509:08
7:18
#4611
24M
24.00 mi12:48:032:44:216:517:19
7:19
#4705
40K
24.85 mi12:54:302:50:486:526:27
7:33
#4804
25.2M
25.20 mi12:57:182:53:366:532:48
8:08
#4834
Finish
26.22 mi13:05:353:01:536:578:17
8:08
#5091
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4240398939894249(Top 15%)3993(Top 25%)3993(Top 71%)
10K6.21 mi3.10 mi4104+1363868+1213868+1213973(Top 14%)3740(Top 23%)3740(Top 66%)
15K9.32 mi3.11 mi4125-213887-193887-194249(Top 15%)3993(Top 25%)3993(Top 71%)
20K12.43 mi3.11 mi4119+63874+133874+134293(Top 15%)4016(Top 25%)4016(Top 71%)
Half13.11 mi0.68 mi4095+243853+213853+213996(Top 14%)3760(Top 23%)3760(Top 67%)
25K15.53 mi2.42 mi4213-1183955-1023955-1025110(Top 18%)4685(Top 29%)4685(Top 83%)
30K18.64 mi3.11 mi4383-1704097-1424097-1425347(Top 19%)4813(Top 30%)4813(Top 85%)
20M20.00 mi1.36 mi4454-714146-494146-495238(Top 18%)4655(Top 29%)4655(Top 83%)
21M21.00 mi1.00 mi4539-854211-654211-655883(Top 21%)4983(Top 31%)4983(Top 88%)
35K21.75 mi0.75 mi4564-254229-184229-185725(Top 20%)4861(Top 30%)4861(Top 86%)
23M23.00 mi1.25 mi4611-474250-214250-215413(Top 19%)4602(Top 29%)4602(Top 82%)
24M24.00 mi1.00 mi4705-944323-734323-736472(Top 23%)5194(Top 32%)5194(Top 92%)
40K24.85 mi0.85 mi4804-994402-794402-797002(Top 25%)5420(Top 34%)5420(Top 96%)
25.2M25.20 mi0.35 mi4834-304424-224424-226729(Top 24%)5153(Top 32%)5153(Top 91%)
Finish26.22 mi1.02 mi5091-2574623-1994623-19913742(Top 48%)8868(Top 55%)8868(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4249

Males

3993

M18-39

3993

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3973

Males

3740

M18-39

3740

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4249

Males

3993

M18-39

3993

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4293

Males

4016

M18-39

4016

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3996

Males

3760

M18-39

3760

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5110

Males

4685

M18-39

4685

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5347

Males

4813

M18-39

4813

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5238

Males

4655

M18-39

4655

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5883

Males

4983

M18-39

4983

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5725

Males

4861

M18-39

4861

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5413

Males

4602

M18-39

4602

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6472

Males

5194

M18-39

5194

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7002

Males

5420

M18-39

5420

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6729

Males

5153

M18-39

5153

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13742

Males

8868

M18-39

8868

Passing Analysis

Category:
Athletes Passed
879
Passed By
1730
Net Change
-851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4240
5K → 10K22589+136#4240#4104
10K → 15K80101-21#4104#4125
15K → 20K109103+6#4125#4119
20K → Half3410+24#4119#4095
Half → 25K55173-118#4095#4213
25K → 30K96266-170#4213#4383
30K → 20M48119-71#4383#4454
20M → 21M46131-85#4454#4539
21M → 35K3358-25#4539#4564
35K → 23M64111-47#4564#4611
23M → 24M36130-94#4611#4705
24M → 40K32131-99#4705#4804
40K → 25.2M1848-30#4804#4834
25.2M → Finish3260-257#4834#5091
TOTALS8791730-851
📊

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