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BOSTON MARATHON 2025

Nicholas Johnson

Bib: 29793•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:25
Rank: #19882
Start → 5K
8:30/mi
26:25 split
10K· 6.21 mi
50:54
Rank: #17911 (+1971)
5K → 10K
7:53/mi
24:29 split
15K· 9.32 mi
1:15:14
Rank: #16854 (+1057)
10K → 15K
7:50/mi
24:20 split
20K· 12.43 mi
1:39:50
Rank: #16191 (+663)
15K → 20K
7:55/mi
24:36 split
Half· 13.11 mi
1:45:08
Rank: #16086 (+105)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:04:30
Rank: #15663 (+423)
Half → 25K
7:59/mi
19:22 split
30K· 18.64 mi
2:30:09
Rank: #15166 (+497)
25K → 30K
8:15/mi
25:39 split
20M
2:41:27
Rank: #14916 (+250)
30K → 20M
8:19/mi
11:18 split
21M
2:50:09
Rank: #14686 (+230)
20M → 21M
8:42/mi
8:42 split
35K· 21.75 mi
2:56:00
Rank: #14524 (+162)
21M → 35K
7:49/mi
5:51 split
23M
3:06:04
Rank: #14253 (+271)
35K → 23M
8:02/mi
10:04 split
24M
3:14:01
Rank: #14088 (+165)
23M → 24M
7:57/mi
7:57 split
40K· 24.85 mi
3:20:52
Rank: #13894 (+194)
24M → 40K
8:01/mi
6:51 split
25.2M
3:23:51
Rank: #13804 (+90)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:31:20
Rank: #13575 (+229)
25.2M → Finish
7:21/mi
7:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3526:258:3026:25
8:30
-
10K
6.21 mi12:09:0450:548:1124:29
7:53
-0:37
15K
9.32 mi12:33:241:15:148:0424:20
7:50
-0:03
20K
12.43 mi12:58:001:39:508:0224:36
7:55
+0:05
Half
13.11 mi13:03:181:45:088:015:18
7:46
-0:09
25K
15.53 mi13:22:402:04:308:0119:22
7:59
+0:13
30K
18.64 mi13:48:192:30:098:0325:39
8:15
+0:16
20M
20.00 mi13:59:372:41:278:0411:18
8:19
+0:04
21M
21.00 mi14:08:192:50:098:068:42
8:42
+0:23
35K
21.75 mi14:14:102:56:008:065:51
7:49
-0:53
23M
23.00 mi14:24:143:06:048:0510:04
8:02
+0:13
24M
24.00 mi14:32:113:14:018:057:57
7:57
-0:05
40K
24.85 mi14:39:023:20:528:056:51
8:01
+0:04
25.2M
25.20 mi14:42:013:23:518:052:59
8:39
+0:38
Finish
26.22 mi14:49:303:31:208:047:29
7:21
-1:18

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

7:21 /mi

Average Pace

8:04 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:17

64% of race

Time at Steady Pace

1:06:21

31% of race

Time at Slower Pace

8:42

4% of race

Average Pace: 8:04 /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 mi11:44:3526:258:3026:25
8:30
#19882
10K
6.21 mi12:09:0450:548:1124:29
7:53
#17911
15K
9.32 mi12:33:241:15:148:0424:20
7:50
#16854
20K
12.43 mi12:58:001:39:508:0224:36
7:55
#16191
Half
13.11 mi13:03:181:45:088:015:18
7:46
#16086
25K
15.53 mi13:22:402:04:308:0119:22
7:59
#15663
30K
18.64 mi13:48:192:30:098:0325:39
8:15
#15166
20M
20.00 mi13:59:372:41:278:0411:18
8:19
#14916
21M
21.00 mi14:08:192:50:098:068:42
8:42
#14686
35K
21.75 mi14:14:102:56:008:065:51
7:49
#14524
23M
23.00 mi14:24:143:06:048:0510:04
8:02
#14253
24M
24.00 mi14:32:113:14:018:057:57
7:57
#14088
40K
24.85 mi14:39:023:20:528:056:51
8:01
#13894
25.2M
25.20 mi14:42:013:23:518:052:59
8:39
#13804
Finish
26.22 mi14:49:303:31:208:047:29
7:21
#13575
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19882123851238514636(Top 52%)10211(Top 63%)10211(Top 181%)
10K6.21 mi3.10 mi17911+197111582+80311582+80315510(Top 55%)10622(Top 66%)10622(Top 188%)
15K9.32 mi3.11 mi16854+105711165+41711165+41714636(Top 52%)10211(Top 63%)10211(Top 181%)
20K12.43 mi3.11 mi16191+66310874+29110874+29114236(Top 50%)9978(Top 62%)9978(Top 177%)
Half13.11 mi0.68 mi16086+10510834+4010834+4013927(Top 49%)9871(Top 61%)9871(Top 175%)
25K15.53 mi2.42 mi15663+42310638+19610638+19613775(Top 48%)9642(Top 60%)9642(Top 171%)
30K18.64 mi3.11 mi15166+49710365+27310365+27313196(Top 46%)9222(Top 57%)9222(Top 163%)
20M20.00 mi1.36 mi14916+25010228+13710228+13712577(Top 44%)8809(Top 55%)8809(Top 156%)
21M21.00 mi1.00 mi14686+23010098+13010098+13011665(Top 41%)8215(Top 51%)8215(Top 146%)
35K21.75 mi0.75 mi14524+16210013+8510013+8510983(Top 39%)7866(Top 49%)7866(Top 139%)
23M23.00 mi1.25 mi14253+2719849+1649849+16410329(Top 36%)7413(Top 46%)7413(Top 131%)
24M24.00 mi1.00 mi14088+1659740+1099740+10910887(Top 38%)7623(Top 47%)7623(Top 135%)
40K24.85 mi0.85 mi13894+1949616+1249616+12410293(Top 36%)7206(Top 45%)7206(Top 128%)
25.2M25.20 mi0.35 mi13804+909566+509566+509712(Top 34%)6831(Top 42%)6831(Top 121%)
Finish26.22 mi1.02 mi13575+2299456+1109456+1108075(Top 28%)5960(Top 37%)5960(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14636

Males

10211

M18-39

10211

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15510

Males

10622

M18-39

10622

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14636

Males

10211

M18-39

10211

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14236

Males

9978

M18-39

9978

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13927

Males

9871

M18-39

9871

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

13775

Males

9642

M18-39

9642

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13196

Males

9222

M18-39

9222

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12577

Males

8809

M18-39

8809

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11665

Males

8215

M18-39

8215

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10983

Males

7866

M18-39

7866

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10329

Males

7413

M18-39

7413

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10887

Males

7623

M18-39

7623

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10293

Males

7206

M18-39

7206

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9712

Males

6831

M18-39

6831

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

8075

Males

5960

M18-39

5960

Passing Analysis

Category:
Athletes Passed
6452
Passed By
145
Net Change
+6307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19882
5K → 10K19776+1971#19882#17911
10K → 15K10636+1057#17911#16854
15K → 20K67714+663#16854#16191
20K → Half1061+105#16191#16086
Half → 25K4318+423#16086#15663
25K → 30K53134+497#15663#15166
30K → 20M27020+250#15166#14916
20M → 21M24717+230#14916#14686
21M → 35K1697+162#14686#14524
35K → 23M2787+271#14524#14253
23M → 24M18217+165#14253#14088
24M → 40K1962+194#14088#13894
40K → 25.2M900+90#13894#13804
25.2M → Finish2356+229#13804#13575
TOTALS6452145+6307
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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