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BOSTON MARATHON 2025

Nicholas Ensign

Bib: 31718•M

MA

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

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
9:51/mi
30:37
↑ 97↓ 3451.5%
10K· 6.21 mi
9:44/mi
1:00:52
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:31:54
↑ 67↓ 78
20K· 12.43 mi
10:09/mi
2:03:26
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:10:03
↑ 19↓ 370.5%
25K· 15.53 mi
11:25/mi
2:37:45
↑ 66↓ 880.2%
30K· 18.64 mi
12:14/mi
3:15:46
↑ 181↓ 1480.2%
20M
14:37/mi
3:35:38
↑ 64↓ 500.2%
21M
11:55/mi
3:47:33
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:55:27
↑ 17↓ 861.7%
23M
14:29/mi
4:13:35
↑ 23↓ 630.6%
24M
13:27/mi
4:27:02
↓ 821.3%
40K· 24.85 mi
13:05/mi
4:38:13
↓ 200.3%
25.2M
12:05/mi
4:42:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:39/mi
4:53:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:43:11
Pace12:27 /mi
📊Positive Split: 25.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5330:379:5130:37
9:51
-
10K
6.21 mi12:28:081:00:529:4830:15
9:44
-0:07
15K
9.32 mi12:59:101:31:549:5231:02
9:59
+0:15
20K
12.43 mi13:30:422:03:269:5631:32
10:09
+0:10
Half
13.11 mi13:37:192:10:039:556:37
9:42
-0:27
25K
15.53 mi14:05:012:37:4510:0927:42
11:25
+1:43
30K
18.64 mi14:43:023:15:4610:3038:01
12:14
+0:49
20M
20.00 mi15:02:543:35:3810:4719:52
14:37
+2:23
21M
21.00 mi15:14:493:47:3310:5011:55
11:55
-2:42
35K
21.75 mi15:22:433:55:2710:507:54
10:34
-1:21
23M
23.00 mi15:40:514:13:3511:0218:08
14:29
+3:55
24M
24.00 mi15:54:184:27:0211:0813:27
13:27
-1:02
40K
24.85 mi16:05:294:38:1311:1211:11
13:05
-0:22
25.2M
25.20 mi16:09:394:42:2311:124:10
12:05
-1:00
Finish
26.22 mi16:20:304:53:1411:1210:51
10:39
-1:26

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

9:42 /mi

Average Pace

11:12 /mi

Slowest Pace

14:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:57

47% of race

Time at Steady Pace

1:32:39

32% of race

Time at Slower Pace

1:02:38

21% of race

Average Pace: 11:11 /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 mi11:57:5330:379:5130:37
9:51
#25220
10K
6.21 mi12:28:081:00:529:4830:15
9:44
#24960
15K
9.32 mi12:59:101:31:549:5231:02
9:59
#24957
20K
12.43 mi13:30:422:03:269:5631:32
10:09
#24836
Half
13.11 mi13:37:192:10:039:556:37
9:42
#24803
25K
15.53 mi14:05:012:37:4510:0927:42
11:25
#25035
30K
18.64 mi14:43:023:15:4610:3038:01
12:14
#25240
20M
20.00 mi15:02:543:35:3810:4719:52
14:37
#25548
21M
21.00 mi15:14:493:47:3310:5011:55
11:55
#25461
35K
21.75 mi15:22:433:55:2710:507:54
10:34
#25396
23M
23.00 mi15:40:514:13:3511:0218:08
14:29
#25630
24M
24.00 mi15:54:184:27:0211:0813:27
13:27
#25739
40K
24.85 mi16:05:294:38:1311:1211:11
13:05
#25778
25.2M
25.20 mi16:09:394:42:2311:124:10
12:05
#25762
Finish
26.22 mi16:20:304:53:1411:1210:51
10:39
#25742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25220148311483124971(Top 88%)14709(Top 91%)14709(Top 261%)
10K6.21 mi3.10 mi24960+26014688+14314688+14324707(Top 87%)14572(Top 90%)14572(Top 258%)
15K9.32 mi3.11 mi24957+314695-714695-724971(Top 88%)14709(Top 91%)14709(Top 261%)
20K12.43 mi3.11 mi24836+12114629+6614629+6624527(Top 86%)14465(Top 90%)14465(Top 256%)
Half13.11 mi0.68 mi24803+3314617+1214617+1224100(Top 85%)14286(Top 89%)14286(Top 253%)
25K15.53 mi2.42 mi25035-23214702-8514702-8525764(Top 91%)14967(Top 93%)14967(Top 265%)
30K18.64 mi3.11 mi25240-20514765-6314765-6325865(Top 91%)14925(Top 93%)14925(Top 265%)
20M20.00 mi1.36 mi25548-30814886-12114886-12127696(Top 98%)15710(Top 98%)15710(Top 278%)
21M21.00 mi1.00 mi25461+8714832+5414832+5423448(Top 83%)13653(Top 85%)13653(Top 242%)
35K21.75 mi0.75 mi25396+6514789+4314789+4323298(Top 82%)13536(Top 84%)13536(Top 240%)
23M23.00 mi1.25 mi25630-23414890-10114890-10127639(Top 97%)15648(Top 97%)15648(Top 277%)
24M24.00 mi1.00 mi25739-10914927-3714927-3727276(Top 96%)15418(Top 96%)15418(Top 273%)
40K24.85 mi0.85 mi25778-3914936-914936-926377(Top 93%)14979(Top 93%)14979(Top 265%)
25.2M25.20 mi0.35 mi25762+1614925+1114925+1123407(Top 82%)13487(Top 84%)13487(Top 239%)
Finish26.22 mi1.02 mi25742+2014911+1414911+1424617(Top 87%)14094(Top 88%)14094(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

24971

Males

14709

M18-39

14709

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24707

Males

14572

M18-39

14572

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

24971

Males

14709

M18-39

14709

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24527

Males

14465

M18-39

14465

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24100

Males

14286

M18-39

14286

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25764

Males

14967

M18-39

14967

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25865

Males

14925

M18-39

14925

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27696

Males

15710

M18-39

15710

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23448

Males

13653

M18-39

13653

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

23298

Males

13536

M18-39

13536

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27639

Males

15648

M18-39

15648

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27276

Males

15418

M18-39

15418

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26377

Males

14979

M18-39

14979

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23407

Males

13487

M18-39

13487

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24617

Males

14094

M18-39

14094

Passing Analysis

Category:
Athletes Passed
1084
Passed By
1606
Net Change
-522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25220
5K → 10K33979+260#25220#24960
10K → 15K129126+3#24960#24957
15K → 20K20180+121#24957#24836
20K → Half4310+33#24836#24803
Half → 25K42274-232#24803#25035
25K → 30K71276-205#25035#25240
30K → 20M7315-308#25240#25548
20M → 21M947+87#25548#25461
21M → 35K661+65#25461#25396
35K → 23M6240-234#25396#25630
23M → 24M12121-109#25630#25739
24M → 40K2261-39#25739#25778
40K → 25.2M193+16#25778#25762
25.2M → Finish3313+20#25762#25742
TOTALS10841606-522
📊

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