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BOSTON MARATHON 2025

Khalil Griffin

Bib: 31201•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
25:21
Rank: #17805
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
48:46
Rank: #15219 (+2586)
5K → 10K
23:25 | 7:32/mi
15K· 9.32 mi
1:11:38
Rank: #13610 (+1609)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:36:02
Rank: #13593 (+17)
15K → 20K
24:24 | 7:51/mi
Half· 13.11 mi
1:41:05
Rank: #13453 (+140)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
2:00:54
Rank: #13738 (-285)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:27:15
Rank: #13870 (-132)
25K → 30K
26:21 | 8:29/mi
20M
2:38:58
Rank: #13901 (-31)
30K → 20M
11:43 | 8:37/mi
21M
2:48:33
Rank: #14054 (-153)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
2:55:15
Rank: #14265 (-211)
21M → 35K
6:42 | 8:57/mi
23M
3:05:58
Rank: #14217 (+48)
35K → 23M
10:43 | 8:34/mi
24M
3:14:06
Rank: #14114 (+103)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
3:21:52
Rank: #14203 (-89)
24M → 40K
7:46 | 9:05/mi
25.2M
3:25:23
Rank: #14262 (-59)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:33:55
Rank: #14263 (-1)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:52:50
Pace8:36 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1525:218:1025:21
8:10
-
10K
6.21 mi12:12:4048:467:5123:25
7:32
-0:38
15K
9.32 mi12:35:321:11:387:4122:52
7:22
-0:10
20K
12.43 mi12:59:561:36:027:4424:24
7:51
+0:29
Half
13.11 mi13:04:591:41:057:435:03
7:24
-0:27
25K
15.53 mi13:24:482:00:547:4719:49
8:10
+0:46
30K
18.64 mi13:51:092:27:157:5426:21
8:29
+0:19
20M
20.00 mi14:02:522:38:587:5711:43
8:37
+0:08
21M
21.00 mi14:12:272:48:338:029:35
9:35
+0:58
35K
21.75 mi14:19:092:55:158:036:42
8:57
-0:38
23M
23.00 mi14:29:523:05:588:0510:43
8:34
-0:23
24M
24.00 mi14:38:003:14:068:058:08
8:08
-0:26
40K
24.85 mi14:45:463:21:528:077:46
9:05
+0:57
25.2M
25.20 mi14:49:173:25:238:093:31
10:12
+1:07
Finish
26.22 mi14:57:493:33:558:108:32
8:22
-1:50

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

7:22 /mi

Average Pace

8:10 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:44

35% of race

Time at Steady Pace

1:50:37

52% of race

Time at Slower Pace

27:34

13% of race

Average Pace: 8:10 /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 mi11:49:1525:218:1025:21
8:10
#17805
10K
6.21 mi12:12:4048:467:5123:25
7:32
#15219
15K
9.32 mi12:35:321:11:387:4122:52
7:22
#13610
20K
12.43 mi12:59:561:36:027:4424:24
7:51
#13593
Half
13.11 mi13:04:591:41:057:435:03
7:24
#13453
25K
15.53 mi13:24:482:00:547:4719:49
8:10
#13738
30K
18.64 mi13:51:092:27:157:5426:21
8:29
#13870
20M
20.00 mi14:02:522:38:587:5711:43
8:37
#13901
21M
21.00 mi14:12:272:48:338:029:35
9:35
#14054
35K
21.75 mi14:19:092:55:158:036:42
8:57
#14265
23M
23.00 mi14:29:523:05:588:0510:43
8:34
#14217
24M
24.00 mi14:38:003:14:068:058:08
8:08
#14114
40K
24.85 mi14:45:463:21:528:077:46
9:05
#14203
25.2M
25.20 mi14:49:173:25:238:093:31
10:12
#14262
Finish
26.22 mi14:57:493:33:558:108:32
8:22
#14263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17805115261152610480(Top 37%)8335(Top 52%)8335(Top 148%)
10K6.21 mi3.10 mi15219+258610500+102610500+102612414(Top 44%)9332(Top 58%)9332(Top 165%)
15K9.32 mi3.11 mi13610+16099819+6819819+68110480(Top 37%)8335(Top 52%)8335(Top 148%)
20K12.43 mi3.11 mi13593+179771+489771+4813693(Top 48%)9724(Top 60%)9724(Top 172%)
Half13.11 mi0.68 mi13453+1409711+609711+6010781(Top 38%)8407(Top 52%)8407(Top 149%)
25K15.53 mi2.42 mi13738-2859807-969807-9615107(Top 53%)10270(Top 64%)10270(Top 182%)
30K18.64 mi3.11 mi13870-1329796+119796+1114619(Top 51%)9886(Top 61%)9886(Top 175%)
20M20.00 mi1.36 mi13901-319771+259771+2514531(Top 51%)9694(Top 60%)9694(Top 172%)
21M21.00 mi1.00 mi14054-1539818-479818-4716417(Top 58%)10426(Top 65%)10426(Top 185%)
35K21.75 mi0.75 mi14265-2119897-799897-7917976(Top 63%)11030(Top 68%)11030(Top 195%)
23M23.00 mi1.25 mi14217+489831+669831+6613637(Top 48%)8981(Top 56%)8981(Top 159%)
24M24.00 mi1.00 mi14114+1039753+789753+7812086(Top 43%)8192(Top 51%)8192(Top 145%)
40K24.85 mi0.85 mi14203-899771-189771-1816735(Top 59%)10242(Top 64%)10242(Top 182%)
25.2M25.20 mi0.35 mi14262-599792-219792-2117801(Top 63%)10704(Top 66%)10704(Top 190%)
Finish26.22 mi1.02 mi14263-19760+329760+3215349(Top 54%)9630(Top 60%)9630(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10480

Males

8335

M18-39

8335

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12414

Males

9332

M18-39

9332

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10480

Males

8335

M18-39

8335

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13693

Males

9724

M18-39

9724

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10781

Males

8407

M18-39

8407

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15107

Males

10270

M18-39

10270

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14619

Males

9886

M18-39

9886

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14531

Males

9694

M18-39

9694

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16417

Males

10426

M18-39

10426

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17976

Males

11030

M18-39

11030

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13637

Males

8981

M18-39

8981

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12086

Males

8192

M18-39

8192

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16735

Males

10242

M18-39

10242

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17801

Males

10704

M18-39

10704

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15349

Males

9630

M18-39

9630

Passing Analysis

Category:
Athletes Passed
5468
Passed By
1926
Net Change
+3542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17805
5K → 10K25904+2586#17805#15219
10K → 15K16090+1609#15219#13610
15K → 20K197180+17#13610#13593
20K → Half1400+140#13593#13453
Half → 25K109394-285#13453#13738
25K → 30K205337-132#13738#13870
30K → 20M111142-31#13870#13901
20M → 21M61214-153#13901#14054
21M → 35K29240-211#14054#14265
35K → 23M13587+48#14265#14217
23M → 24M13835+103#14217#14114
24M → 40K47136-89#14114#14203
40K → 25.2M2079-59#14203#14262
25.2M → Finish7778-1#14262#14263
TOTALS54681926+3542
📊

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