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BOSTON MARATHON 2025

Kofi James

Bib: 28908•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:21
Rank: #25011
Start → 5K
30:21 | 9:46/mi
10K· 6.21 mi
1:00:37
Rank: #24871 (+140)
5K → 10K
30:16 | 9:45/mi
15K· 9.32 mi
1:31:44
Rank: #24912 (-41)
10K → 15K
31:07 | 10:01/mi
20K· 12.43 mi
2:04:14
Rank: #25012 (-100)
15K → 20K
32:30 | 10:28/mi
Half· 13.11 mi
2:11:15
Rank: #25030 (-18)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:38:42
Rank: #25156 (-126)
Half → 25K
27:27 | 11:19/mi
30K· 18.64 mi
3:19:14
Rank: #25577 (-421)
25K → 30K
40:32 | 13:03/mi
20M
3:36:25
Rank: #25617 (-40)
30K → 20M
17:11 | 12:39/mi
21M
3:52:33
Rank: #25842 (-225)
20M → 21M
16:08 | 16:08/mi
35K· 21.75 mi
4:01:24
Rank: #25845 (-3)
21M → 35K
8:51 | 11:50/mi
23M
4:19:00
Rank: #25985 (-140)
35K → 23M
17:36 | 14:03/mi
24M
4:31:12
Rank: #26007 (-22)
23M → 24M
12:12 | 12:12/mi
40K· 24.85 mi
4:41:40
Rank: #26001 (+6)
24M → 40K
10:28 | 12:14/mi
25.2M
4:45:57
Rank: #25985 (+16)
40K → 25.2M
4:17 | 12:25/mi
Finish· 26.22 mi
4:56:38
Rank: #25948 (+37)
25.2M → Finish
10:41 | 10:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:15
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:45:23
Pace12:37 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0230:219:4630:21
9:46
-
10K
6.21 mi12:22:181:00:379:4530:16
9:45
-0:01
15K
9.32 mi12:53:251:31:449:5131:07
10:01
+0:16
20K
12.43 mi13:25:552:04:1410:0032:30
10:28
+0:27
Half
13.11 mi13:32:562:11:1510:017:01
10:17
-0:11
25K
15.53 mi14:00:232:38:4210:1327:27
11:19
+1:02
30K
18.64 mi14:40:553:19:1410:4140:32
13:03
+1:44
20M
20.00 mi14:58:063:36:2510:4917:11
12:39
-0:24
21M
21.00 mi15:14:143:52:3311:0416:08
16:08
+3:29
35K
21.75 mi15:23:054:01:2411:068:51
11:50
-4:18
23M
23.00 mi15:40:414:19:0011:1617:36
14:03
+2:13
24M
24.00 mi15:52:534:31:1211:1812:12
12:12
-1:51
40K
24.85 mi16:03:214:41:4011:2010:28
12:14
+0:02
25.2M
25.20 mi16:07:384:45:5711:214:17
12:25
+0:11
Finish
26.22 mi16:18:194:56:3811:1910:41
10:29
-1:56

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

9:45 /mi

Average Pace

11:19 /mi

Slowest Pace

16:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:56

48% of race

Time at Steady Pace

1:20:26

27% of race

Time at Slower Pace

1:14:16

25% of race

Average Pace: 11:19 /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 mi11:52:0230:219:4630:21
9:46
#25011
10K
6.21 mi12:22:181:00:379:4530:16
9:45
#24871
15K
9.32 mi12:53:251:31:449:5131:07
10:01
#24912
20K
12.43 mi13:25:552:04:1410:0032:30
10:28
#25012
Half
13.11 mi13:32:562:11:1510:017:01
10:17
#25030
25K
15.53 mi14:00:232:38:4210:1327:27
11:19
#25156
30K
18.64 mi14:40:553:19:1410:4140:32
13:03
#25577
20M
20.00 mi14:58:063:36:2510:4917:11
12:39
#25617
21M
21.00 mi15:14:143:52:3311:0416:08
16:08
#25842
35K
21.75 mi15:23:054:01:2411:068:51
11:50
#25845
23M
23.00 mi15:40:414:19:0011:1617:36
14:03
#25985
24M
24.00 mi15:52:534:31:1211:1812:12
12:12
#26007
40K
24.85 mi16:03:214:41:4011:2010:28
12:14
#26001
25.2M
25.20 mi16:07:384:45:5711:214:17
12:25
#25985
Finish
26.22 mi16:18:194:56:3811:1910:41
10:29
#25948
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25011147311473125019(Top 88%)14733(Top 91%)14733(Top 656%)
10K6.21 mi3.10 mi24871+14014648+8314648+8324714(Top 87%)14576(Top 91%)14576(Top 649%)
15K9.32 mi3.11 mi24912-4114670-2214670-2225019(Top 88%)14733(Top 91%)14733(Top 656%)
20K12.43 mi3.11 mi25012-10014712-4214712-4225124(Top 88%)14730(Top 91%)14730(Top 656%)
Half13.11 mi0.68 mi25030-1814714-214714-225428(Top 90%)14859(Top 92%)14859(Top 661%)
25K15.53 mi2.42 mi25156-12614751-3714751-3725642(Top 90%)14916(Top 93%)14916(Top 664%)
30K18.64 mi3.11 mi25577-42114906-15514906-15526727(Top 94%)15311(Top 95%)15311(Top 681%)
20M20.00 mi1.36 mi25617-4014916-1014916-1026075(Top 92%)14958(Top 93%)14958(Top 666%)
21M21.00 mi1.00 mi25842-22515009-9315009-9327868(Top 98%)15808(Top 98%)15808(Top 704%)
35K21.75 mi0.75 mi25845-315004+515004+525618(Top 90%)14645(Top 91%)14645(Top 652%)
23M23.00 mi1.25 mi25985-14015065-6115065-6127376(Top 96%)15518(Top 96%)15518(Top 691%)
24M24.00 mi1.00 mi26007-2215066-115066-125921(Top 91%)14760(Top 92%)14760(Top 657%)
40K24.85 mi0.85 mi26001+615059+715059+725300(Top 89%)14418(Top 90%)14418(Top 642%)
25.2M25.20 mi0.35 mi25985+1615046+1315046+1324054(Top 85%)13803(Top 86%)13803(Top 614%)
Finish26.22 mi1.02 mi25948+3715017+2915017+2924247(Top 85%)13901(Top 86%)13901(Top 619%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25019

Males

14733

M40-44

14733

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24714

Males

14576

M40-44

14576

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25019

Males

14733

M40-44

14733

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

25124

Males

14730

M40-44

14730

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25428

Males

14859

M40-44

14859

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25642

Males

14916

M40-44

14916

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26727

Males

15311

M40-44

15311

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26075

Males

14958

M40-44

14958

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27868

Males

15808

M40-44

15808

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25618

Males

14645

M40-44

14645

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27376

Males

15518

M40-44

15518

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25921

Males

14760

M40-44

14760

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25300

Males

14418

M40-44

14418

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24054

Males

13803

M40-44

13803

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24247

Males

13901

M40-44

13901

Passing Analysis

Category:
Athletes Passed
781
Passed By
1718
Net Change
-937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25011
5K → 10K272132+140#25011#24871
10K → 15K111152-41#24871#24912
15K → 20K100200-100#24912#25012
20K → Half2139-18#25012#25030
Half → 25K64190-126#25030#25156
25K → 30K23444-421#25156#25577
30K → 20M3676-40#25577#25617
20M → 21M9234-225#25617#25842
21M → 35K2326-3#25842#25845
35K → 23M10150-140#25845#25985
23M → 24M2143-22#25985#26007
24M → 40K2721+6#26007#26001
40K → 25.2M182+16#26001#25985
25.2M → Finish469+37#25985#25948
TOTALS7811718-937
📊

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