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BOSTON MARATHON 2025

Greg Eng

Bib: 6220•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
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
20:48
Rank: #5395
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
40:59
Rank: #4469 (+926)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:01:21
Rank: #4270 (+199)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:22:06
Rank: #4227 (+43)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:26:38
Rank: #4236 (-9)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:05
Rank: #4262 (-26)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:04:46
Rank: #4261 (+1)
25K → 30K
21:41 | 6:59/mi
20M
2:14:26
Rank: #4278 (-17)
30K → 20M
9:40 | 7:07/mi
21M
2:21:54
Rank: #4248 (+30)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:27:10
Rank: #4302 (-54)
21M → 35K
5:16 | 7:02/mi
23M
2:36:09
Rank: #4301 (+1)
35K → 23M
8:59 | 7:10/mi
24M
2:43:11
Rank: #4297 (+4)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:18
Rank: #4318 (-21)
24M → 40K
6:07 | 7:09/mi
25.2M
2:52:02
Rank: #4327 (-9)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:59:00
Rank: #4346 (-19)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:38
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:32:22
Pace7:03 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0320:486:4220:48
6:42
-
10K
6.21 mi10:45:1440:596:3620:11
6:30
-0:12
15K
9.32 mi11:05:361:01:216:3520:22
6:33
+0:03
20K
12.43 mi11:26:211:22:066:3620:45
6:41
+0:08
Half
13.11 mi11:30:531:26:386:374:32
6:39
-0:02
25K
15.53 mi11:47:201:43:056:3816:27
6:47
+0:08
30K
18.64 mi12:09:012:04:466:4221:41
6:59
+0:12
20M
20.00 mi12:18:412:14:266:439:40
7:07
+0:08
21M
21.00 mi12:26:092:21:546:457:28
7:28
+0:21
35K
21.75 mi12:31:252:27:106:465:16
7:02
-0:26
23M
23.00 mi12:40:242:36:096:478:59
7:10
+0:08
24M
24.00 mi12:47:262:43:116:487:02
7:02
-0:08
40K
24.85 mi12:53:332:49:186:496:07
7:09
+0:07
25.2M
25.20 mi12:56:172:52:026:502:44
7:56
+0:47
Finish
26.22 mi13:03:152:59:006:506:58
6:50
-1:06

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

6:50 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:05

58% of race

Time at Steady Pace

56:44

32% of race

Time at Slower Pace

19:11

11% of race

Average Pace: 6:50 /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 mi10:25:0320:486:4220:48
6:42
#5395
10K
6.21 mi10:45:1440:596:3620:11
6:30
#4469
15K
9.32 mi11:05:361:01:216:3520:22
6:33
#4270
20K
12.43 mi11:26:211:22:066:3620:45
6:41
#4227
Half
13.11 mi11:30:531:26:386:374:32
6:39
#4236
25K
15.53 mi11:47:201:43:056:3816:27
6:47
#4262
30K
18.64 mi12:09:012:04:466:4221:41
6:59
#4261
20M
20.00 mi12:18:412:14:266:439:40
7:07
#4278
21M
21.00 mi12:26:092:21:546:457:28
7:28
#4248
35K
21.75 mi12:31:252:27:106:465:16
7:02
#4302
23M
23.00 mi12:40:242:36:096:478:59
7:10
#4301
24M
24.00 mi12:47:262:43:116:487:02
7:02
#4297
40K
24.85 mi12:53:332:49:186:496:07
7:09
#4318
25.2M
25.20 mi12:56:172:52:026:502:44
7:56
#4327
Finish
26.22 mi13:03:152:59:006:506:58
6:50
#4346
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5395501250123924(Top 14%)3700(Top 23%)3700(Top 66%)
10K6.21 mi3.10 mi4469+9264202+8104202+8103702(Top 13%)3494(Top 22%)3494(Top 62%)
15K9.32 mi3.11 mi4270+1994016+1864016+1863924(Top 14%)3700(Top 23%)3700(Top 66%)
20K12.43 mi3.11 mi4227+433975+413975+414254(Top 15%)3982(Top 25%)3982(Top 71%)
Half13.11 mi0.68 mi4236-93983-83983-84830(Top 17%)4490(Top 28%)4490(Top 80%)
25K15.53 mi2.42 mi4262-263997-143997-144761(Top 17%)4384(Top 27%)4384(Top 78%)
30K18.64 mi3.11 mi4261+13989+83989+84575(Top 16%)4176(Top 26%)4176(Top 74%)
20M20.00 mi1.36 mi4278-173998-93998-94750(Top 17%)4291(Top 27%)4291(Top 76%)
21M21.00 mi1.00 mi4248+303957+413957+414454(Top 16%)3972(Top 25%)3972(Top 70%)
35K21.75 mi0.75 mi4302-543999-423999-425627(Top 20%)4815(Top 30%)4815(Top 85%)
23M23.00 mi1.25 mi4301+13991+83991+84726(Top 17%)4123(Top 26%)4123(Top 73%)
24M24.00 mi1.00 mi4297+43972+193972+194827(Top 17%)4141(Top 26%)4141(Top 73%)
40K24.85 mi0.85 mi4318-213983-113983-114786(Top 17%)4064(Top 25%)4064(Top 72%)
25.2M25.20 mi0.35 mi4327-93988-53988-55550(Top 20%)4468(Top 28%)4468(Top 79%)
Finish26.22 mi1.02 mi4346-193999-113999-114715(Top 17%)3939(Top 24%)3939(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3924

Males

3700

M18-39

3700

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3702

Males

3494

M18-39

3494

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3924

Males

3700

M18-39

3700

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4254

Males

3982

M18-39

3982

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4830

Males

4490

M18-39

4490

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4761

Males

4384

M18-39

4384

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4575

Males

4176

M18-39

4176

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4750

Males

4291

M18-39

4291

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4454

Males

3972

M18-39

3972

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5627

Males

4815

M18-39

4815

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4726

Males

4123

M18-39

4123

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4827

Males

4141

M18-39

4141

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4786

Males

4064

M18-39

4064

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5550

Males

4468

M18-39

4468

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4715

Males

3939

M18-39

3939

Passing Analysis

Category:
Athletes Passed
1919
Passed By
870
Net Change
+1049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5395
5K → 10K9359+926#5395#4469
10K → 15K22728+199#4469#4270
15K → 20K12077+43#4270#4227
20K → Half2029-9#4227#4236
Half → 25K81107-26#4236#4262
25K → 30K144143+1#4262#4261
30K → 20M6481-17#4261#4278
20M → 21M8151+30#4278#4248
21M → 35K2680-54#4248#4302
35K → 23M6968+1#4302#4301
23M → 24M5955+4#4301#4297
24M → 40K4061-21#4297#4318
40K → 25.2M2130-9#4318#4327
25.2M → Finish3251-19#4327#4346
TOTALS1919870+1049
📊

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