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BOSTON MARATHON 2025

Sam Njue

Bib: 2077•M

NH

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 2%
Division (M40-44)
#0 / 2247
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:16/mi
19:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:15/mi
38:54
↑ 79↓ 1380.4%
15K· 9.32 mi
6:10/mi
58:05
↑ 67↓ 78
20K· 12.43 mi
6:15/mi
1:17:31
↑ 106↓ 860.1%
Half· 13.11 mi
6:15/mi
1:21:47
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:37:06
↑ 66↓ 880.2%
30K· 18.64 mi
6:24/mi
1:57:00
↑ 181↓ 1480.2%
20M
6:29/mi
2:05:49
↑ 64↓ 500.2%
21M
6:52/mi
2:12:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:10/mi
2:17:18
↑ 17↓ 861.7%
23M
6:35/mi
2:25:33
↑ 23↓ 630.6%
24M
6:18/mi
2:31:51
↓ 821.3%
40K· 24.85 mi
6:31/mi
2:37:25
↓ 200.3%
25.2M
7:24/mi
2:39:58
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
2:46:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:47
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0019:286:1619:28
6:16
-
10K
6.21 mi10:39:2638:546:1619:26
6:15
-0:01
15K
9.32 mi10:58:3758:056:1419:11
6:10
-0:05
20K
12.43 mi11:18:031:17:316:1419:26
6:15
+0:05
Half
13.11 mi11:22:191:21:476:144:16
6:15
0:00
25K
15.53 mi11:37:381:37:066:1515:19
6:19
+0:04
30K
18.64 mi11:57:321:57:006:1719:54
6:24
+0:05
20M
20.00 mi12:06:212:05:496:178:49
6:29
+0:05
21M
21.00 mi12:13:132:12:416:196:52
6:52
+0:23
35K
21.75 mi12:17:502:17:186:194:37
6:10
-0:42
23M
23.00 mi12:26:052:25:336:208:15
6:35
+0:25
24M
24.00 mi12:32:232:31:516:206:18
6:18
-0:17
40K
24.85 mi12:37:572:37:256:205:34
6:31
+0:13
25.2M
25.20 mi12:40:302:39:586:212:33
7:24
+0:53
Finish
26.22 mi12:47:102:46:386:226:40
6:33
-0:51

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

6:10 /mi

Average Pace

6:22 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:07:55

77% of race

Time at Slower Pace

38:43

23% of race

Average Pace: 6:21 /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 mi10:20:0019:286:1619:28
6:16
#2227
10K
6.21 mi10:39:2638:546:1619:26
6:15
#2187
15K
9.32 mi10:58:3758:056:1419:11
6:10
#2006
20K
12.43 mi11:18:031:17:316:1419:26
6:15
#1938
Half
13.11 mi11:22:191:21:476:144:16
6:15
#1944
25K
15.53 mi11:37:381:37:066:1515:19
6:19
#1944
30K
18.64 mi11:57:321:57:006:1719:54
6:24
#1835
20M
20.00 mi12:06:212:05:496:178:49
6:29
#1791
21M
21.00 mi12:13:132:12:416:196:52
6:52
#1752
35K
21.75 mi12:17:502:17:186:194:37
6:10
#1710
23M
23.00 mi12:26:052:25:336:208:15
6:35
#1681
24M
24.00 mi12:32:232:31:516:206:18
6:18
#1632
40K
24.85 mi12:37:572:37:256:205:34
6:31
#1602
25.2M
25.20 mi12:40:302:39:586:212:33
7:24
#1611
Finish
26.22 mi12:47:102:46:386:226:40
6:33
#1643
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2227212721271727(Top 6%)1640(Top 10%)1640(Top 73%)
10K6.21 mi3.10 mi2187+402087+402087+402175(Top 8%)2078(Top 13%)2078(Top 92%)
15K9.32 mi3.11 mi2006+1811910+1771910+1771727(Top 6%)1640(Top 10%)1640(Top 73%)
20K12.43 mi3.11 mi1938+681848+621848+621813(Top 6%)1724(Top 11%)1724(Top 77%)
Half13.11 mi0.68 mi1944-61854-61854-62266(Top 8%)2167(Top 13%)2167(Top 96%)
25K15.53 mi2.42 mi1944185418541956(Top 7%)1862(Top 12%)1862(Top 83%)
30K18.64 mi3.11 mi1835+1091746+1081746+1081585(Top 6%)1502(Top 9%)1502(Top 67%)
20M20.00 mi1.36 mi1791+441703+431703+431586(Top 6%)1500(Top 9%)1500(Top 67%)
21M21.00 mi1.00 mi1752+391663+401663+401760(Top 6%)1661(Top 10%)1661(Top 74%)
35K21.75 mi0.75 mi1710+421621+421621+421158(Top 4%)1093(Top 7%)1093(Top 49%)
23M23.00 mi1.25 mi1681+291591+301591+301793(Top 6%)1679(Top 10%)1679(Top 75%)
24M24.00 mi1.00 mi1632+491545+461545+461321(Top 5%)1236(Top 8%)1236(Top 55%)
40K24.85 mi0.85 mi1602+301517+281517+281651(Top 6%)1527(Top 9%)1527(Top 68%)
25.2M25.20 mi0.35 mi1611-91525-81525-82935(Top 10%)2614(Top 16%)2614(Top 116%)
Finish26.22 mi1.02 mi1643-321554-291554-293025(Top 11%)2693(Top 17%)2693(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1727

Males

1640

M40-44

1640

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2175

Males

2078

M40-44

2078

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1727

Males

1640

M40-44

1640

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1813

Males

1724

M40-44

1724

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2266

Males

2167

M40-44

2167

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1956

Males

1862

M40-44

1862

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1585

Males

1502

M40-44

1502

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1586

Males

1500

M40-44

1500

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1760

Males

1661

M40-44

1661

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1158

Males

1093

M40-44

1093

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1793

Males

1679

M40-44

1679

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1321

Males

1236

M40-44

1236

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1651

Males

1527

M40-44

1527

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2935

Males

2614

M40-44

2614

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3025

Males

2693

M40-44

2693

Passing Analysis

Category:
Athletes Passed
959
Passed By
375
Net Change
+584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2227
5K → 10K13595+40#2227#2187
10K → 15K1909+181#2187#2006
15K → 20K10032+68#2006#1938
20K → Half915-6#1938#1944
Half → 25K47470#1944#1944
25K → 30K14334+109#1944#1835
30K → 20M5612+44#1835#1791
20M → 21M5516+39#1791#1752
21M → 35K453+42#1752#1710
35K → 23M5728+29#1710#1681
23M → 24M567+49#1681#1632
24M → 40K4212+30#1632#1602
40K → 25.2M615-9#1602#1611
25.2M → Finish1850-32#1611#1643
TOTALS959375+584
📊

Passing Visuals

Category:
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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