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BOSTON MARATHON 2025

Keven Gregg

Bib: 3854•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:47/mi
21:06
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
41:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:40/mi
1:02:39
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:23:22
↑ 106↓ 860.1%
Half· 13.11 mi
6:40/mi
1:27:55
↑ 19↓ 370.5%
25K· 15.53 mi
6:43/mi
1:44:13
↑ 66↓ 880.2%
30K· 18.64 mi
6:54/mi
2:05:40
↑ 181↓ 1480.2%
20M
7:02/mi
2:15:13
↑ 64↓ 500.2%
21M
7:16/mi
2:22:29
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:27:35
↑ 17↓ 861.7%
23M
7:06/mi
2:36:28
↑ 23↓ 630.6%
24M
6:52/mi
2:43:20
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:49:16
↓ 200.3%
25.2M
7:21/mi
2:51:48
↑ 13↓ 160.2%
Finish· 26.22 mi
6:13/mi
2:58:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:55
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5621:066:4721:06
6:47
-
10K
6.21 mi10:44:4741:576:4520:51
6:43
-0:04
15K
9.32 mi11:05:291:02:396:4320:42
6:40
-0:03
20K
12.43 mi11:26:121:23:226:4220:43
6:40
0:00
Half
13.11 mi11:30:451:27:556:424:33
6:40
0:00
25K
15.53 mi11:47:031:44:136:4316:18
6:43
+0:03
30K
18.64 mi12:08:302:05:406:4421:27
6:54
+0:11
20M
20.00 mi12:18:032:15:136:469:33
7:02
+0:08
21M
21.00 mi12:25:192:22:296:477:16
7:16
+0:14
35K
21.75 mi12:30:252:27:356:475:06
6:49
-0:27
23M
23.00 mi12:39:182:36:286:488:53
7:06
+0:17
24M
24.00 mi12:46:102:43:206:486:52
6:52
-0:14
40K
24.85 mi12:52:062:49:166:495:56
6:56
+0:04
25.2M
25.20 mi12:54:382:51:486:492:32
7:21
+0:25
Finish
26.22 mi13:00:582:58:086:486:20
6:13
-1:08

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

6:13 /mi

Average Pace

6:48 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:39

65% of race

Time at Steady Pace

59:57

34% of race

Time at Slower Pace

2:32

1% of race

Average Pace: 6:48 /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 mi10:23:5621:066:4721:06
6:47
#6230
10K
6.21 mi10:44:4741:576:4520:51
6:43
#5826
15K
9.32 mi11:05:291:02:396:4320:42
6:40
#5461
20K
12.43 mi11:26:121:23:226:4220:43
6:40
#5067
Half
13.11 mi11:30:451:27:556:424:33
6:40
#5056
25K
15.53 mi11:47:031:44:136:4316:18
6:43
#4872
30K
18.64 mi12:08:302:05:406:4421:27
6:54
#4662
20M
20.00 mi12:18:032:15:136:469:33
7:02
#4607
21M
21.00 mi12:25:192:22:296:477:16
7:16
#4487
35K
21.75 mi12:30:252:27:356:475:06
6:49
#4440
23M
23.00 mi12:39:182:36:286:488:53
7:06
#4404
24M
24.00 mi12:46:102:43:206:486:52
6:52
#4351
40K
24.85 mi12:52:062:49:166:495:56
6:56
#4306
25.2M
25.20 mi12:54:382:51:486:492:32
7:21
#4253
Finish
26.22 mi13:00:582:58:086:486:20
6:13
#4070
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6230570257024742(Top 17%)4426(Top 27%)4426(Top 78%)
10K6.21 mi3.10 mi5826+4045364+3385364+3385424(Top 19%)5008(Top 31%)5008(Top 89%)
15K9.32 mi3.11 mi5461+3655049+3155049+3154742(Top 17%)4426(Top 27%)4426(Top 78%)
20K12.43 mi3.11 mi5067+3944712+3374712+3374147(Top 15%)3889(Top 24%)3889(Top 69%)
Half13.11 mi0.68 mi5056+114698+144698+144942(Top 17%)4571(Top 28%)4571(Top 81%)
25K15.53 mi2.42 mi4872+1844528+1704528+1704288(Top 15%)3976(Top 25%)3976(Top 70%)
30K18.64 mi3.11 mi4662+2104332+1964332+1964100(Top 14%)3771(Top 23%)3771(Top 67%)
20M20.00 mi1.36 mi4607+554272+604272+604255(Top 15%)3878(Top 24%)3878(Top 69%)
21M21.00 mi1.00 mi4487+1204164+1084164+1083450(Top 12%)3162(Top 20%)3162(Top 56%)
35K21.75 mi0.75 mi4440+474117+474117+474176(Top 15%)3729(Top 23%)3729(Top 66%)
23M23.00 mi1.25 mi4404+364076+414076+414277(Top 15%)3789(Top 24%)3789(Top 67%)
24M24.00 mi1.00 mi4351+534018+584018+583885(Top 14%)3438(Top 21%)3438(Top 61%)
40K24.85 mi0.85 mi4306+453971+473971+473545(Top 12%)3141(Top 20%)3141(Top 56%)
25.2M25.20 mi0.35 mi4253+533921+503921+502728(Top 10%)2430(Top 15%)2430(Top 43%)
Finish26.22 mi1.02 mi4070+1833758+1633758+1631575(Top 6%)1464(Top 9%)1464(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4742

Males

4426

M18-39

4426

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5424

Males

5008

M18-39

5008

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4742

Males

4426

M18-39

4426

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4147

Males

3889

M18-39

3889

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4942

Males

4571

M18-39

4571

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4288

Males

3976

M18-39

3976

25K→30K

15.5 - 18.6 mi

Top 14%
×9story building
+181ft-148ft

Overall

4100

Males

3771

M18-39

3771

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4255

Males

3878

M18-39

3878

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3450

Males

3162

M18-39

3162

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4176

Males

3729

M18-39

3729

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4277

Males

3789

M18-39

3789

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3885

Males

3438

M18-39

3438

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3545

Males

3141

M18-39

3141

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2728

Males

2430

M18-39

2430

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1575

Males

1464

M18-39

1464

Passing Analysis

Category:
Athletes Passed
2504
Passed By
344
Net Change
+2160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6230
5K → 10K44642+404#6230#5826
10K → 15K37510+365#5826#5461
15K → 20K4039+394#5461#5067
20K → Half3423+11#5067#5056
Half → 25K20319+184#5056#4872
25K → 30K27363+210#4872#4662
30K → 20M9641+55#4662#4607
20M → 21M14121+120#4607#4487
21M → 35K6720+47#4487#4440
35K → 23M8145+36#4440#4404
23M → 24M7724+53#4404#4351
24M → 40K7025+45#4351#4306
40K → 25.2M552+53#4306#4253
25.2M → Finish1830+183#4253#4070
TOTALS2504344+2160
📊

Passing Visuals

Category:
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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