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BOSTON MARATHON 2025

Samuel Chege

Bib: 799•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M40-44)
#0 / 2247
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #1131
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:47
Rank: #1355 (-224)
5K → 10K
19:06 | 6:09/mi
15K· 9.32 mi
57:25
Rank: #1654 (-299)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:17:37
Rank: #1972 (-318)
15K → 20K
20:12 | 6:30/mi
Half· 13.11 mi
1:21:58
Rank: #2020 (-48)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:37:38
Rank: #2105 (-85)
Half → 25K
15:40 | 6:28/mi
30K· 18.64 mi
1:58:18
Rank: #2160 (-55)
25K → 30K
20:40 | 6:39/mi
20M
2:07:37
Rank: #2228 (-68)
30K → 20M
9:19 | 6:51/mi
21M
2:14:42
Rank: #2215 (+13)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:19:17
Rank: #2158 (+57)
21M → 35K
4:35 | 6:08/mi
23M
2:27:15
Rank: #2030 (+128)
35K → 23M
7:58 | 6:22/mi
24M
2:33:24
Rank: #1936 (+94)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:38:47
Rank: #1861 (+75)
24M → 40K
5:23 | 6:18/mi
25.2M
2:41:10
Rank: #1830 (+31)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:47:17
Rank: #1759 (+71)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:58
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:25:19
Pace6:30 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4618:416:0118:41
6:01
-
10K
6.21 mi10:37:5237:476:0519:06
6:09
+0:08
15K
9.32 mi10:57:3057:256:1019:38
6:19
+0:10
20K
12.43 mi11:17:421:17:376:1520:12
6:30
+0:11
Half
13.11 mi11:22:031:21:586:154:21
6:23
-0:07
25K
15.53 mi11:37:431:37:386:1715:40
6:28
+0:05
30K
18.64 mi11:58:231:58:186:2120:40
6:39
+0:11
20M
20.00 mi12:07:422:07:376:239:19
6:51
+0:12
21M
21.00 mi12:14:472:14:426:257:05
7:05
+0:14
35K
21.75 mi12:19:222:19:176:244:35
6:08
-0:57
23M
23.00 mi12:27:202:27:156:247:58
6:22
+0:14
24M
24.00 mi12:33:292:33:246:246:09
6:09
-0:13
40K
24.85 mi12:38:522:38:476:235:23
6:18
+0:09
25.2M
25.20 mi12:41:152:41:106:242:23
6:55
+0:37
Finish
26.22 mi12:47:222:47:176:236:07
6:00
-0:55

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

6:00 /mi

Average Pace

6:23 /mi

Slowest Pace

7:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:50

76% of race

Time at Steady Pace

32:22

19% of race

Time at Slower Pace

7:05

4% of race

Average Pace: 6:23 /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 mi10:18:4618:416:0118:41
6:01
#1131
10K
6.21 mi10:37:5237:476:0519:06
6:09
#1355
15K
9.32 mi10:57:3057:256:1019:38
6:19
#1654
20K
12.43 mi11:17:421:17:376:1520:12
6:30
#1972
Half
13.11 mi11:22:031:21:586:154:21
6:23
#2020
25K
15.53 mi11:37:431:37:386:1715:40
6:28
#2105
30K
18.64 mi11:58:231:58:186:2120:40
6:39
#2160
20M
20.00 mi12:07:422:07:376:239:19
6:51
#2228
21M
21.00 mi12:14:472:14:426:257:05
7:05
#2215
35K
21.75 mi12:19:222:19:176:244:35
6:08
#2158
23M
23.00 mi12:27:202:27:156:247:58
6:22
#2030
24M
24.00 mi12:33:292:33:246:246:09
6:09
#1936
40K
24.85 mi12:38:522:38:476:235:23
6:18
#1861
25.2M
25.20 mi12:41:152:41:106:242:23
6:55
#1830
Finish
26.22 mi12:47:222:47:176:236:07
6:00
#1759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1131107210722458(Top 9%)2347(Top 15%)2347(Top 104%)
10K6.21 mi3.10 mi1355-2241288-2161288-2161668(Top 6%)1588(Top 10%)1588(Top 71%)
15K9.32 mi3.11 mi1654-2991574-2861574-2862458(Top 9%)2347(Top 15%)2347(Top 104%)
20K12.43 mi3.11 mi1972-3181882-3081882-3083137(Top 11%)2977(Top 18%)2977(Top 132%)
Half13.11 mi0.68 mi2020-481930-481930-482941(Top 10%)2808(Top 17%)2808(Top 125%)
25K15.53 mi2.42 mi2105-852008-782008-782686(Top 9%)2554(Top 16%)2554(Top 114%)
30K18.64 mi3.11 mi2160-552057-492057-492646(Top 9%)2504(Top 16%)2504(Top 111%)
20M20.00 mi1.36 mi2228-682125-682125-683245(Top 11%)3001(Top 19%)3001(Top 134%)
21M21.00 mi1.00 mi2215+132113+122113+122604(Top 9%)2426(Top 15%)2426(Top 108%)
35K21.75 mi0.75 mi2158+572057+562057+561040(Top 4%)981(Top 6%)981(Top 44%)
23M23.00 mi1.25 mi2030+1281929+1281929+1281053(Top 4%)996(Top 6%)996(Top 44%)
24M24.00 mi1.00 mi1936+941836+931836+93908(Top 3%)854(Top 5%)854(Top 38%)
40K24.85 mi0.85 mi1861+751763+731763+73975(Top 3%)914(Top 6%)914(Top 41%)
25.2M25.20 mi0.35 mi1830+311732+311732+311271(Top 4%)1173(Top 7%)1173(Top 52%)
Finish26.22 mi1.02 mi1759+711665+671665+67936(Top 3%)881(Top 5%)881(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2458

Males

2347

M40-44

2347

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1668

Males

1588

M40-44

1588

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2458

Males

2347

M40-44

2347

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3137

Males

2977

M40-44

2977

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2941

Males

2808

M40-44

2808

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2686

Males

2554

M40-44

2554

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2646

Males

2504

M40-44

2504

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3245

Males

3001

M40-44

3001

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2604

Males

2426

M40-44

2426

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1040

Males

981

M40-44

981

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1053

Males

996

M40-44

996

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

908

Males

854

M40-44

854

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

975

Males

914

M40-44

914

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1271

Males

1173

M40-44

1173

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

936

Males

881

M40-44

881

Passing Analysis

Category:
Athletes Passed
669
Passed By
1297
Net Change
-628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1131
5K → 10K16240-224#1131#1355
10K → 15K7306-299#1355#1654
15K → 20K16334-318#1654#1972
20K → Half149-48#1972#2020
Half → 25K33118-85#2020#2105
25K → 30K59114-55#2105#2160
30K → 20M2694-68#2160#2228
20M → 21M4835+13#2228#2215
21M → 35K570+57#2215#2158
35K → 23M1280+128#2158#2030
23M → 24M951+94#2030#1936
24M → 40K761+75#1936#1861
40K → 25.2M321+31#1861#1830
25.2M → Finish754+71#1830#1759
TOTALS6691297-628
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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