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BOSTON MARATHON 2025

Nicholas Ashmead

Bib: 2827•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
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
6:22/mi
19:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:14/mi
39:11
↑ 79↓ 1380.4%
15K· 9.32 mi
6:10/mi
58:19
↑ 67↓ 78
20K· 12.43 mi
6:09/mi
1:17:26
↑ 106↓ 860.1%
Half· 13.11 mi
5:59/mi
1:21:31
↑ 19↓ 370.5%
25K· 15.53 mi
6:03/mi
1:36:11
↑ 66↓ 880.2%
30K· 18.64 mi
6:21/mi
1:55:54
↑ 181↓ 1480.2%
20M
6:23/mi
2:04:35
↑ 64↓ 500.2%
21M
6:48/mi
2:11:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:16:39
↑ 17↓ 861.7%
23M
7:06/mi
2:25:33
↑ 23↓ 630.6%
24M
6:52/mi
2:32:25
↓ 821.3%
40K· 24.85 mi
7:01/mi
2:38:25
↓ 200.3%
25.2M
8:01/mi
2:41:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
2:48:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:31
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:26:38
Pace6:37 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2119:486:2219:48
6:22
-
10K
6.21 mi10:40:4439:116:1819:23
6:14
-0:08
15K
9.32 mi10:59:5258:196:1519:08
6:10
-0:04
20K
12.43 mi11:18:591:17:266:1419:07
6:09
-0:01
Half
13.11 mi11:23:041:21:316:134:05
5:59
-0:10
25K
15.53 mi11:37:441:36:116:1214:40
6:03
+0:04
30K
18.64 mi11:57:271:55:546:1319:43
6:21
+0:18
20M
20.00 mi12:06:082:04:356:148:41
6:23
+0:02
21M
21.00 mi12:12:562:11:236:156:48
6:48
+0:25
35K
21.75 mi12:18:122:16:396:175:16
7:02
+0:14
23M
23.00 mi12:27:062:25:336:208:54
7:06
+0:04
24M
24.00 mi12:33:582:32:256:216:52
6:52
-0:14
40K
24.85 mi12:39:582:38:256:226:00
7:01
+0:09
25.2M
25.20 mi12:42:442:41:116:242:46
8:01
+1:00
Finish
26.22 mi12:49:422:48:096:256:58
6:50
-1:11

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

5:59 /mi

Average Pace

6:25 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:45

11% of race

Time at Steady Pace

1:45:50

63% of race

Time at Slower Pace

43:34

26% of race

Average Pace: 6:25 /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 mi10:21:2119:486:2219:48
6:22
#2896
10K
6.21 mi10:40:4439:116:1819:23
6:14
#2446
15K
9.32 mi10:59:5258:196:1519:08
6:10
#2136
20K
12.43 mi11:18:591:17:266:1419:07
6:09
#1901
Half
13.11 mi11:23:041:21:316:134:05
5:59
#1855
25K
15.53 mi11:37:441:36:116:1214:40
6:03
#1653
30K
18.64 mi11:57:271:55:546:1319:43
6:21
#1568
20M
20.00 mi12:06:082:04:356:148:41
6:23
#1507
21M
21.00 mi12:12:562:11:236:156:48
6:48
#1480
35K
21.75 mi12:18:122:16:396:175:16
7:02
#1586
23M
23.00 mi12:27:062:25:336:208:54
7:06
#1680
24M
24.00 mi12:33:582:32:256:216:52
6:52
#1734
40K
24.85 mi12:39:582:38:256:226:00
7:01
#1796
25.2M
25.20 mi12:42:442:41:116:242:46
8:01
#1831
Finish
26.22 mi12:49:422:48:096:256:58
6:50
#1916
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2896275527551637(Top 6%)1553(Top 10%)1553(Top 28%)
10K6.21 mi3.10 mi2446+4502331+4242331+4242081(Top 7%)1984(Top 12%)1984(Top 35%)
15K9.32 mi3.11 mi2136+3102039+2922039+2921637(Top 6%)1553(Top 10%)1553(Top 28%)
20K12.43 mi3.11 mi1901+2351812+2271812+2271383(Top 5%)1310(Top 8%)1310(Top 23%)
Half13.11 mi0.68 mi1855+461766+461766+461118(Top 4%)1060(Top 7%)1060(Top 19%)
25K15.53 mi2.42 mi1653+2021570+1961570+196933(Top 3%)879(Top 5%)879(Top 16%)
30K18.64 mi3.11 mi1568+851485+851485+851355(Top 5%)1280(Top 8%)1280(Top 23%)
20M20.00 mi1.36 mi1507+611426+591426+591219(Top 4%)1150(Top 7%)1150(Top 20%)
21M21.00 mi1.00 mi1480+271400+261400+261525(Top 5%)1436(Top 9%)1436(Top 25%)
35K21.75 mi0.75 mi1586-1061502-1021502-1025552(Top 20%)4740(Top 29%)4740(Top 84%)
23M23.00 mi1.25 mi1680-941590-881590-884345(Top 15%)3833(Top 24%)3833(Top 68%)
24M24.00 mi1.00 mi1734-541642-521642-523860(Top 14%)3413(Top 21%)3413(Top 60%)
40K24.85 mi0.85 mi1796-621700-581700-583959(Top 14%)3447(Top 21%)3447(Top 61%)
25.2M25.20 mi0.35 mi1831-351733-331733-335941(Top 21%)4667(Top 29%)4667(Top 83%)
Finish26.22 mi1.02 mi1916-851815-821815-824670(Top 16%)3894(Top 24%)3894(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1637

Males

1553

M18-39

1553

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

2081

Males

1984

M18-39

1984

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1637

Males

1553

M18-39

1553

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1383

Males

1310

M18-39

1310

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1118

Males

1060

M18-39

1060

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

933

Males

879

M18-39

879

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1355

Males

1280

M18-39

1280

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1219

Males

1150

M18-39

1150

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1525

Males

1436

M18-39

1436

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5552

Males

4740

M18-39

4740

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4345

Males

3833

M18-39

3833

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3860

Males

3413

M18-39

3413

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3959

Males

3447

M18-39

3447

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5941

Males

4667

M18-39

4667

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4670

Males

3894

M18-39

3894

Passing Analysis

Category:
Athletes Passed
1554
Passed By
574
Net Change
+980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2896
5K → 10K46111+450#2896#2446
10K → 15K3111+310#2446#2136
15K → 20K2361+235#2136#1901
20K → Half460+46#1901#1855
Half → 25K2020+202#1855#1653
25K → 30K11429+85#1653#1568
30K → 20M687+61#1568#1507
20M → 21M4114+27#1507#1480
21M → 35K9115-106#1480#1586
35K → 23M21115-94#1586#1680
23M → 24M1872-54#1680#1734
24M → 40K1072-62#1734#1796
40K → 25.2M540-35#1796#1831
25.2M → Finish1297-85#1831#1916
TOTALS1554574+980
📊

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