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BOSTON MARATHON 2025

Andrew Kellogg

Bib: 27378•M

CA

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
32:06
Rank: #26369
Start → 5K
32:06 | 10:20/mi
10K· 6.21 mi
1:04:20
Rank: #26205 (+164)
5K → 10K
32:14 | 10:22/mi
15K· 9.32 mi
1:36:16
Rank: #25961 (+244)
10K → 15K
31:56 | 10:17/mi
20K· 12.43 mi
2:09:03
Rank: #25768 (+193)
15K → 20K
32:47 | 10:33/mi
Half· 13.11 mi
2:16:15
Rank: #25775 (-7)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:44:20
Rank: #25840 (-65)
Half → 25K
28:05 | 11:35/mi
30K· 18.64 mi
3:26:31
Rank: #26202 (-362)
25K → 30K
42:11 | 13:35/mi
20M
3:45:14
Rank: #26317 (-115)
30K → 20M
18:43 | 13:46/mi
21M
4:00:54
Rank: #26445 (-128)
20M → 21M
15:40 | 15:40/mi
35K· 21.75 mi
4:10:49
Rank: #26473 (-28)
21M → 35K
9:55 | 13:15/mi
23M
4:28:33
Rank: #26570 (-97)
35K → 23M
17:44 | 14:10/mi
24M
4:42:20
Rank: #26651 (-81)
23M → 24M
13:47 | 13:48/mi
40K· 24.85 mi
4:54:08
Rank: #26682 (-31)
24M → 40K
11:48 | 13:48/mi
25.2M
4:59:46
Rank: #26720 (-38)
40K → 25.2M
5:38 | 16:20/mi
Finish· 26.22 mi
5:11:39
Rank: #26719 (+1)
25.2M → Finish
11:53 | 11:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:15
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:55:24
Pace13:23 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2832:0610:2032:06
10:20
-
10K
6.21 mi12:30:421:04:2010:2132:14
10:22
+0:02
15K
9.32 mi13:02:381:36:1610:2031:56
10:17
-0:05
20K
12.43 mi13:35:252:09:0310:2332:47
10:33
+0:16
Half
13.11 mi13:42:372:16:1510:247:12
10:33
0:00
25K
15.53 mi14:10:422:44:2010:3528:05
11:35
+1:02
30K
18.64 mi14:52:533:26:3111:0542:11
13:35
+2:00
20M
20.00 mi15:11:363:45:1411:1618:43
13:46
+0:11
21M
21.00 mi15:27:164:00:5411:2815:40
15:40
+1:54
35K
21.75 mi15:37:114:10:4911:329:55
13:15
-2:25
23M
23.00 mi15:54:554:28:3311:4117:44
14:10
+0:55
24M
24.00 mi16:08:424:42:2011:4613:47
13:48
-0:22
40K
24.85 mi16:20:304:54:0811:5011:48
13:48
0:00
25.2M
25.20 mi16:26:084:59:4611:545:38
16:20
+2:32
Finish
26.22 mi16:38:015:11:3911:5411:53
11:40
-4:40

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

10:17 /mi

Average Pace

11:54 /mi

Slowest Pace

16:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:13

57% of race

Time at Steady Pace

1:54:08

37% of race

Time at Slower Pace

21:18

7% of race

Average Pace: 11:53 /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 mi11:58:2832:0610:2032:06
10:20
#26369
10K
6.21 mi12:30:421:04:2010:2132:14
10:22
#26205
15K
9.32 mi13:02:381:36:1610:2031:56
10:17
#25961
20K
12.43 mi13:35:252:09:0310:2332:47
10:33
#25768
Half
13.11 mi13:42:372:16:1510:247:12
10:33
#25775
25K
15.53 mi14:10:422:44:2010:3528:05
11:35
#25840
30K
18.64 mi14:52:533:26:3111:0542:11
13:35
#26202
20M
20.00 mi15:11:363:45:1411:1618:43
13:46
#26317
21M
21.00 mi15:27:164:00:5411:2815:40
15:40
#26445
35K
21.75 mi15:37:114:10:4911:329:55
13:15
#26473
23M
23.00 mi15:54:554:28:3311:4117:44
14:10
#26570
24M
24.00 mi16:08:424:42:2011:4613:47
13:48
#26651
40K
24.85 mi16:20:304:54:0811:5011:48
13:48
#26682
25.2M
25.20 mi16:26:084:59:4611:545:38
16:20
#26720
Finish
26.22 mi16:38:015:11:3911:5411:53
11:40
#26719
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 mi26369153441534425556(Top 90%)14957(Top 93%)14957(Top 265%)
10K6.21 mi3.10 mi26205+16415257+8715257+8726056(Top 92%)15167(Top 94%)15167(Top 269%)
15K9.32 mi3.11 mi25961+24415142+11515142+11525556(Top 90%)14957(Top 93%)14957(Top 265%)
20K12.43 mi3.11 mi25768+19315047+9515047+9525280(Top 89%)14797(Top 92%)14797(Top 262%)
Half13.11 mi0.68 mi25775-715055-815055-825888(Top 91%)15062(Top 94%)15062(Top 267%)
25K15.53 mi2.42 mi25840-6515065-1015065-1025964(Top 91%)15052(Top 93%)15052(Top 267%)
30K18.64 mi3.11 mi26202-36215200-13515200-13527191(Top 96%)15521(Top 96%)15521(Top 275%)
20M20.00 mi1.36 mi26317-11515237-3715237-3727129(Top 96%)15435(Top 96%)15435(Top 274%)
21M21.00 mi1.00 mi26445-12815283-4615283-4627650(Top 97%)15697(Top 97%)15697(Top 278%)
35K21.75 mi0.75 mi26473-2815285-215285-227176(Top 96%)15428(Top 96%)15428(Top 273%)
23M23.00 mi1.25 mi26570-9715308-2315308-2327447(Top 97%)15548(Top 97%)15548(Top 276%)
24M24.00 mi1.00 mi26651-8115340-3215340-3227520(Top 97%)15561(Top 97%)15561(Top 276%)
40K24.85 mi0.85 mi26682-3115347-715347-727018(Top 95%)15299(Top 95%)15299(Top 271%)
25.2M25.20 mi0.35 mi26720-3815362-1515362-1527846(Top 98%)15730(Top 98%)15730(Top 279%)
Finish26.22 mi1.02 mi26719+115354+815354+826387(Top 93%)14987(Top 93%)14987(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25556

Males

14957

M18-39

14957

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26056

Males

15167

M18-39

15167

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25556

Males

14957

M18-39

14957

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25280

Males

14797

M18-39

14797

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25888

Males

15062

M18-39

15062

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25964

Males

15052

M18-39

15052

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27191

Males

15521

M18-39

15521

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27129

Males

15435

M18-39

15435

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27650

Males

15697

M18-39

15697

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27176

Males

15428

M18-39

15428

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27447

Males

15548

M18-39

15548

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27520

Males

15561

M18-39

15561

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27018

Males

15299

M18-39

15299

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27846

Males

15730

M18-39

15730

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26387

Males

14987

M18-39

14987

Passing Analysis

Category:
Athletes Passed
987
Passed By
1337
Net Change
-350
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26369
5K → 10K25793+164#26369#26205
10K → 15K27531+244#26205#25961
15K → 20K22936+193#25961#25768
20K → Half1522-7#25768#25775
Half → 25K77142-65#25775#25840
25K → 30K31393-362#25840#26202
30K → 20M23138-115#26202#26317
20M → 21M10138-128#26317#26445
21M → 35K1644-28#26445#26473
35K → 23M20117-97#26473#26570
23M → 24M687-81#26570#26651
24M → 40K1344-31#26651#26682
40K → 25.2M038-38#26682#26720
25.2M → Finish1514+1#26720#26719
TOTALS9871337-350
📊

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