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BOSTON MARATHON 2025

Brent Russell

Bib: 29148•M

KY

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
30:12
Rank: #24900
Start → 5K
30:12 | 9:43/mi
10K· 6.21 mi
1:02:58
Rank: #25731 (-831)
5K → 10K
32:46 | 10:33/mi
15K· 9.32 mi
1:39:22
Rank: #26569 (-838)
10K → 15K
36:24 | 11:43/mi
20K· 12.43 mi
2:19:15
Rank: #27043 (-474)
15K → 20K
39:53 | 12:50/mi
Half· 13.11 mi
2:27:03
Rank: #27041 (+2)
20K → Half
7:48 | 11:26/mi
25K· 15.53 mi
3:03:26
Rank: #27423 (-382)
Half → 25K
36:23 | 15:00/mi
30K· 18.64 mi
3:54:02
Rank: #27769 (-346)
25K → 30K
50:36 | 16:17/mi
20M
4:15:08
Rank: #27828 (-59)
30K → 20M
21:06 | 15:32/mi
21M
4:32:02
Rank: #27877 (-49)
20M → 21M
16:54 | 16:54/mi
35K· 21.75 mi
4:42:49
Rank: #27894 (-17)
21M → 35K
10:47 | 14:25/mi
23M
5:02:14
Rank: #27938 (-44)
35K → 23M
19:25 | 15:30/mi
24M
5:15:12
Rank: #27899 (+39)
23M → 24M
12:58 | 12:58/mi
40K· 24.85 mi
5:27:26
Rank: #27895 (+4)
24M → 40K
12:14 | 14:18/mi
25.2M
5:32:22
Rank: #27885 (+10)
40K → 25.2M
4:56 | 14:18/mi
Finish· 26.22 mi
5:44:19
Rank: #27855 (+30)
25.2M → Finish
11:57 | 11:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:03
Pace11:13 /mi
2nd Half
Distance13.11 mi
Time3:17:16
Pace15:03 /mi
📊Positive Split: 34.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0530:129:4330:12
9:43
-
10K
6.21 mi12:28:511:02:5810:0832:46
10:33
+0:50
15K
9.32 mi13:05:151:39:2210:4036:24
11:43
+1:10
20K
12.43 mi13:45:082:19:1511:1239:53
12:50
+1:07
Half
13.11 mi13:52:562:27:0311:137:48
11:26
-1:24
25K
15.53 mi14:29:193:03:2611:4836:23
15:00
+3:34
30K
18.64 mi15:19:553:54:0212:3350:36
16:17
+1:17
20M
20.00 mi15:41:014:15:0812:4521:06
15:32
-0:45
21M
21.00 mi15:57:554:32:0212:5716:54
16:54
+1:22
35K
21.75 mi16:08:424:42:4913:0010:47
14:25
-2:29
23M
23.00 mi16:28:075:02:1413:0819:25
15:30
+1:05
24M
24.00 mi16:41:055:15:1213:0812:58
12:58
-2:32
40K
24.85 mi16:53:195:27:2613:1012:14
14:18
+1:20
25.2M
25.20 mi16:58:155:32:2213:114:56
14:18
0:00
Finish
26.22 mi17:10:125:44:1913:0911:57
11:44
-2:34

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

9:43 /mi

Average Pace

13:09 /mi

Slowest Pace

16:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:58

50% of race

Time at Steady Pace

1:04:20

19% of race

Time at Slower Pace

1:48:01

31% of race

Average Pace: 13:08 /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 mi11:56:0530:129:4330:12
9:43
#24900
10K
6.21 mi12:28:511:02:5810:0832:46
10:33
#25731
15K
9.32 mi13:05:151:39:2210:4036:24
11:43
#26569
20K
12.43 mi13:45:082:19:1511:1239:53
12:50
#27043
Half
13.11 mi13:52:562:27:0311:137:48
11:26
#27041
25K
15.53 mi14:29:193:03:2611:4836:23
15:00
#27423
30K
18.64 mi15:19:553:54:0212:3350:36
16:17
#27769
20M
20.00 mi15:41:014:15:0812:4521:06
15:32
#27828
21M
21.00 mi15:57:554:32:0212:5716:54
16:54
#27877
35K
21.75 mi16:08:424:42:4913:0010:47
14:25
#27894
23M
23.00 mi16:28:075:02:1413:0819:25
15:30
#27938
24M
24.00 mi16:41:055:15:1213:0812:58
12:58
#27899
40K
24.85 mi16:53:195:27:2613:1012:14
14:18
#27895
25.2M
25.20 mi16:58:155:32:2213:114:56
14:18
#27885
Finish
26.22 mi17:10:125:44:1913:0911:57
11:44
#27855
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24900146811468127421(Top 97%)15716(Top 98%)15716(Top 279%)
10K6.21 mi3.10 mi25731-83115048-36715048-36726355(Top 93%)15305(Top 95%)15305(Top 271%)
15K9.32 mi3.11 mi26569-83815405-35715405-35727421(Top 97%)15716(Top 98%)15716(Top 279%)
20K12.43 mi3.11 mi27043-47415586-18115586-18127728(Top 98%)15832(Top 98%)15832(Top 281%)
Half13.11 mi0.68 mi27041+215575+1115575+1127008(Top 95%)15519(Top 96%)15519(Top 275%)
25K15.53 mi2.42 mi27423-38215720-14515720-14528231(Top 99%)16018(Top 99%)16018(Top 284%)
30K18.64 mi3.11 mi27769-34615851-13115851-13128306(Top 100%)16046(Top 100%)16046(Top 284%)
20M20.00 mi1.36 mi27828-5915869-1815869-1828051(Top 99%)15899(Top 99%)15899(Top 282%)
21M21.00 mi1.00 mi27877-4915880-1115880-1128123(Top 99%)15939(Top 99%)15939(Top 283%)
35K21.75 mi0.75 mi27894-1715887-715887-727892(Top 98%)15782(Top 98%)15782(Top 280%)
23M23.00 mi1.25 mi27938-4415897-1015897-1028063(Top 99%)15881(Top 99%)15881(Top 281%)
24M24.00 mi1.00 mi27899+3915870+2715870+2726828(Top 94%)15217(Top 94%)15217(Top 270%)
40K24.85 mi0.85 mi27895+415867+315867+327400(Top 96%)15508(Top 96%)15508(Top 275%)
25.2M25.20 mi0.35 mi27885+1015862+515862+526588(Top 94%)15060(Top 94%)15060(Top 267%)
Finish26.22 mi1.02 mi27855+3015843+1915843+1926458(Top 93%)15026(Top 93%)15026(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27421

Males

15716

M18-39

15716

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26355

Males

15305

M18-39

15305

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27421

Males

15716

M18-39

15716

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27728

Males

15832

M18-39

15832

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

27008

Males

15519

M18-39

15519

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28231

Males

16018

M18-39

16018

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28306

Males

16046

M18-39

16046

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28051

Males

15899

M18-39

15899

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28123

Males

15939

M18-39

15939

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27892

Males

15782

M18-39

15782

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28063

Males

15881

M18-39

15881

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26828

Males

15217

M18-39

15217

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27400

Males

15508

M18-39

15508

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26588

Males

15060

M18-39

15060

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26458

Males

15026

M18-39

15026

Passing Analysis

Category:
Athletes Passed
240
Passed By
3195
Net Change
-2955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24900
5K → 10K32863-831#24900#25731
10K → 15K11849-838#25731#26569
15K → 20K18492-474#26569#27043
20K → Half1816+2#27043#27041
Half → 25K14396-382#27041#27423
25K → 30K6352-346#27423#27769
30K → 20M1271-59#27769#27828
20M → 21M655-49#27828#27877
21M → 35K825-17#27877#27894
35K → 23M1054-44#27894#27938
23M → 24M412+39#27938#27899
24M → 40K1713+4#27899#27895
40K → 25.2M144+10#27895#27885
25.2M → Finish333+30#27885#27855
TOTALS2403195-2955
📊

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