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BOSTON MARATHON 2025

Andrew Nicholson

Bib: P116•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
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
6:42/mi
20:49
↑ 97↓ 3451.5%
10K· 6.21 mi
6:48/mi
41:57
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:02
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:24:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:29:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:47:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:13:53
↑ 181↓ 1480.2%
20M
9:23/mi
2:26:38
↑ 64↓ 500.2%
21M
11:04/mi
2:37:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:21/mi
2:44:42
↑ 17↓ 861.7%
23M
9:46/mi
2:56:56
↑ 23↓ 630.6%
24M
9:22/mi
3:06:18
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:14:02
↓ 200.3%
25.2M
9:37/mi
3:17:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:30/mi
3:26:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:11
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
📊Positive Split: 31.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:10:5120:496:4220:49
6:42
-
10K
6.21 mi10:31:5941:576:4521:08
6:48
+0:06
15K
9.32 mi10:53:041:03:026:4621:05
6:47
-0:01
20K
12.43 mi11:14:301:24:286:4821:26
6:54
+0:07
Half
13.11 mi11:19:131:29:116:484:43
6:55
+0:01
25K
15.53 mi11:37:331:47:316:5518:20
7:34
+0:39
30K
18.64 mi12:03:552:13:537:1126:22
8:29
+0:55
20M
20.00 mi12:16:402:26:387:2012:45
9:23
+0:54
21M
21.00 mi12:27:442:37:427:3111:04
11:04
+1:41
35K
21.75 mi12:34:442:44:427:347:00
9:21
-1:43
23M
23.00 mi12:46:582:56:567:4212:14
9:46
+0:25
24M
24.00 mi12:56:203:06:187:469:22
9:22
-0:24
40K
24.85 mi13:04:043:14:027:487:44
9:03
-0:19
25.2M
25.20 mi13:07:233:17:217:503:19
9:37
+0:34
Finish
26.22 mi13:16:033:26:017:528:40
8:30
-1:07

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

6:42 /mi

Average Pace

7:52 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:31

52% of race

Time at Steady Pace

42:46

21% of race

Time at Slower Pace

55:44

27% of race

Average Pace: 7:51 /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 mi10:10:5120:496:4220:49
6:42
#5468
10K
6.21 mi10:31:5941:576:4521:08
6:48
#5847
15K
9.32 mi10:53:041:03:026:4621:05
6:47
#5851
20K
12.43 mi11:14:301:24:286:4821:26
6:54
#5922
Half
13.11 mi11:19:131:29:116:484:43
6:55
#5981
25K
15.53 mi11:37:331:47:316:5518:20
7:34
#6733
30K
18.64 mi12:03:552:13:537:1126:22
8:29
#7911
20M
20.00 mi12:16:402:26:387:2012:45
9:23
#8796
21M
21.00 mi12:27:442:37:427:3111:04
11:04
#9880
35K
21.75 mi12:34:442:44:427:347:00
9:21
#10395
23M
23.00 mi12:46:582:56:567:4212:14
9:46
#11071
24M
24.00 mi12:56:203:06:187:469:22
9:22
#11523
40K
24.85 mi13:04:043:14:027:487:44
9:03
#11746
25.2M
25.20 mi13:07:233:17:217:503:19
9:37
#11812
Finish
26.22 mi13:16:033:26:017:528:40
8:30
#11996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5468507850785964(Top 21%)5430(Top 34%)5430(Top 96%)
10K6.21 mi3.10 mi5847-3795385-3075385-3076422(Top 23%)5822(Top 36%)5822(Top 103%)
15K9.32 mi3.11 mi5851-45373+125373+125964(Top 21%)5430(Top 34%)5430(Top 96%)
20K12.43 mi3.11 mi5922-715421-485421-486198(Top 22%)5588(Top 35%)5588(Top 99%)
Half13.11 mi0.68 mi5981-595467-465467-467027(Top 25%)6247(Top 39%)6247(Top 111%)
25K15.53 mi2.42 mi6733-7526049-5826049-58210439(Top 37%)8113(Top 50%)8113(Top 144%)
30K18.64 mi3.11 mi7911-11786816-7676816-76714646(Top 52%)9897(Top 61%)9897(Top 175%)
20M20.00 mi1.36 mi8796-8857314-4987314-49818648(Top 66%)11514(Top 71%)11514(Top 204%)
21M21.00 mi1.00 mi9880-10847886-5727886-57221563(Top 76%)12757(Top 79%)12757(Top 226%)
35K21.75 mi0.75 mi10395-5158108-2228108-22219759(Top 70%)11843(Top 74%)11843(Top 210%)
23M23.00 mi1.25 mi11071-6768390-2828390-28219671(Top 69%)11745(Top 73%)11745(Top 208%)
24M24.00 mi1.00 mi11523-4528567-1778567-17719074(Top 67%)11441(Top 71%)11441(Top 203%)
40K24.85 mi0.85 mi11746-2238648-818648-8116533(Top 58%)10154(Top 63%)10154(Top 180%)
25.2M25.20 mi0.35 mi11812-668656-88656-815112(Top 53%)9451(Top 59%)9451(Top 168%)
Finish26.22 mi1.02 mi11996-1848719-638719-6316219(Top 57%)10027(Top 62%)10027(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5964

Males

5430

M18-39

5430

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6422

Males

5822

M18-39

5822

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5964

Males

5430

M18-39

5430

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6198

Males

5588

M18-39

5588

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7027

Males

6247

M18-39

6247

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10439

Males

8113

M18-39

8113

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14646

Males

9897

M18-39

9897

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18648

Males

11514

M18-39

11514

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21563

Males

12757

M18-39

12757

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19759

Males

11843

M18-39

11843

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19671

Males

11745

M18-39

11745

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

19074

Males

11441

M18-39

11441

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16533

Males

10154

M18-39

10154

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15112

Males

9451

M18-39

9451

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16219

Males

10027

M18-39

10027

Passing Analysis

Category:
Athletes Passed
498
Passed By
7024
Net Change
-6528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5468
5K → 10K60439-379#5468#5847
10K → 15K131135-4#5847#5851
15K → 20K112183-71#5851#5922
20K → Half766-59#5922#5981
Half → 25K23775-752#5981#6733
25K → 30K291207-1178#6733#7911
30K → 20M10895-885#7911#8796
20M → 21M31087-1084#8796#9880
21M → 35K7520-515#9880#10395
35K → 23M15691-676#10395#11071
23M → 24M22474-452#11071#11523
24M → 40K30253-223#11523#11746
40K → 25.2M2591-66#11746#11812
25.2M → Finish24208-184#11812#11996
TOTALS4987024-6528
📊

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