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BOSTON MARATHON 2025

Steven Nicholls

Bib: 18661•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M55-59)
#0 / 1648
Top 14%
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
7:16/mi
22:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:06:51
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:29:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:34:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:51:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:15:33
↑ 181↓ 1480.2%
20M
7:47/mi
2:26:08
↑ 64↓ 500.2%
21M
8:34/mi
2:34:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:40:18
↑ 17↓ 861.7%
23M
7:58/mi
2:50:17
↑ 23↓ 630.6%
24M
7:56/mi
2:58:13
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:05:06
↓ 200.3%
25.2M
9:14/mi
3:08:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:16:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:02
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:42:30
Pace7:49 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0922:357:1622:35
7:16
-
10K
6.21 mi11:35:1744:437:1222:08
7:07
-0:09
15K
9.32 mi11:57:251:06:517:1022:08
7:07
0:00
20K
12.43 mi12:19:441:29:107:1022:19
7:11
+0:04
Half
13.11 mi12:24:361:34:027:104:52
7:08
-0:03
25K
15.53 mi12:42:121:51:387:1117:36
7:16
+0:08
30K
18.64 mi13:06:072:15:337:1623:55
7:42
+0:26
20M
20.00 mi13:16:422:26:087:1810:35
7:47
+0:05
21M
21.00 mi13:25:162:34:427:228:34
8:34
+0:47
35K
21.75 mi13:30:522:40:187:225:36
7:29
-1:05
23M
23.00 mi13:40:512:50:177:249:59
7:58
+0:29
24M
24.00 mi13:48:472:58:137:267:56
7:56
-0:02
40K
24.85 mi13:55:403:05:067:276:53
8:03
+0:07
25.2M
25.20 mi13:58:513:08:177:283:11
9:14
+1:11
Finish
26.22 mi14:07:063:16:327:308:15
8:06
-1:08

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

7:07 /mi

Average Pace

7:30 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:38

57% of race

Time at Steady Pace

58:01

30% of race

Time at Slower Pace

26:53

14% of race

Average Pace: 7:30 /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 mi11:13:0922:357:1622:35
7:16
#10042
10K
6.21 mi11:35:1744:437:1222:08
7:07
#9422
15K
9.32 mi11:57:251:06:517:1022:08
7:07
#9087
20K
12.43 mi12:19:441:29:107:1022:19
7:11
#8765
Half
13.11 mi12:24:361:34:027:104:52
7:08
#8727
25K
15.53 mi12:42:121:51:387:1117:36
7:16
#8564
30K
18.64 mi13:06:072:15:337:1623:55
7:42
#8603
20M
20.00 mi13:16:422:26:087:1810:35
7:47
#8581
21M
21.00 mi13:25:162:34:427:228:34
8:34
#8696
35K
21.75 mi13:30:522:40:187:225:36
7:29
#8655
23M
23.00 mi13:40:512:50:177:249:59
7:58
#8681
24M
24.00 mi13:48:472:58:137:267:56
7:56
#8738
40K
24.85 mi13:55:403:05:067:276:53
8:03
#8780
25.2M
25.20 mi13:58:513:08:177:283:11
9:14
#8843
Finish
26.22 mi14:07:063:16:327:308:15
8:06
#9035
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10042818881888496(Top 30%)7244(Top 45%)7244(Top 440%)
10K6.21 mi3.10 mi9422+6207858+3307858+3308862(Top 31%)7518(Top 47%)7518(Top 456%)
15K9.32 mi3.11 mi9087+3357633+2257633+2258496(Top 30%)7244(Top 45%)7244(Top 440%)
20K12.43 mi3.11 mi8765+3227419+2147419+2148054(Top 28%)6908(Top 43%)6908(Top 419%)
Half13.11 mi0.68 mi8727+387390+297390+298530(Top 30%)7213(Top 45%)7213(Top 438%)
25K15.53 mi2.42 mi8564+1637275+1157275+1158058(Top 28%)6801(Top 42%)6801(Top 413%)
30K18.64 mi3.11 mi8603-397244+317244+319175(Top 32%)7237(Top 45%)7237(Top 439%)
20M20.00 mi1.36 mi8581+227190+547190+548927(Top 31%)6951(Top 43%)6951(Top 422%)
21M21.00 mi1.00 mi8696-1157224-347224-3410862(Top 38%)7801(Top 48%)7801(Top 473%)
35K21.75 mi0.75 mi8655+417181+437181+438499(Top 30%)6591(Top 41%)6591(Top 400%)
23M23.00 mi1.25 mi8681-267155+267155+269822(Top 35%)7140(Top 44%)7140(Top 433%)
24M24.00 mi1.00 mi8738-577152+37152+310743(Top 38%)7547(Top 47%)7547(Top 458%)
40K24.85 mi0.85 mi8780-427133+197133+1910523(Top 37%)7308(Top 45%)7308(Top 443%)
25.2M25.20 mi0.35 mi8843-637158-257158-2512998(Top 46%)8443(Top 52%)8443(Top 512%)
Finish26.22 mi1.02 mi9035-1927227-697227-6913521(Top 48%)8768(Top 54%)8768(Top 532%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8496

Males

7244

M55-59

7244

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8862

Males

7518

M55-59

7518

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8496

Males

7244

M55-59

7244

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8054

Males

6908

M55-59

6908

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8530

Males

7213

M55-59

7213

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

8058

Males

6801

M55-59

6801

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9175

Males

7237

M55-59

7237

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8927

Males

6951

M55-59

6951

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10862

Males

7801

M55-59

7801

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8499

Males

6591

M55-59

6591

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9822

Males

7140

M55-59

7140

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10743

Males

7547

M55-59

7547

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10523

Males

7308

M55-59

7308

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12998

Males

8443

M55-59

8443

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13521

Males

8768

M55-59

8768

Passing Analysis

Category:
Athletes Passed
2407*
Passed By
1400
Net Change
+1007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10042
5K → 10K670*50+620#10042#9422
10K → 15K37843+335#9422#9087
15K → 20K35129+322#9087#8765
20K → Half5113+38#8765#8727
Half → 25K22057+163#8727#8564
25K → 30K200239-39#8564#8603
30K → 20M10280+22#8603#8581
20M → 21M61176-115#8581#8696
21M → 35K7736+41#8696#8655
35K → 23M113139-26#8655#8681
23M → 24M64121-57#8681#8738
24M → 40K71113-42#8738#8780
40K → 25.2M1881-63#8780#8843
25.2M → Finish31223-192#8843#9035
TOTALS2407*1400+1007

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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