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BOSTON MARATHON 2025

Nicholai Reid

Bib: 5124•M

BC

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0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3479
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:26
Rank: #3826 (-347)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:00:39
Rank: #3744 (+82)
10K → 15K
20:13 | 6:30/mi
20K· 12.43 mi
1:21:43
Rank: #3985 (-241)
15K → 20K
21:04 | 6:47/mi
Half· 13.11 mi
1:26:17
Rank: #4029 (-44)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:42:48
Rank: #4130 (-101)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:04:42
Rank: #4227 (-97)
25K → 30K
21:54 | 7:03/mi
20M
2:14:28
Rank: #4290 (-63)
30K → 20M
9:46 | 7:11/mi
21M
2:21:56
Rank: #4258 (+32)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:27:00
Rank: #4236 (+22)
21M → 35K
5:04 | 6:46/mi
23M
2:35:50
Rank: #4191 (+45)
35K → 23M
8:50 | 7:03/mi
24M
2:42:47
Rank: #4161 (+30)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:48:51
Rank: #4168 (-7)
24M → 40K
6:04 | 7:06/mi
25.2M
2:51:25
Rank: #4147 (+21)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:58:12
Rank: #4090 (+57)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0020:036:2720:03
6:27
-
10K
6.21 mi10:44:2340:266:3020:23
6:34
+0:07
15K
9.32 mi11:04:361:00:396:3020:13
6:30
-0:04
20K
12.43 mi11:25:401:21:436:3521:04
6:47
+0:17
Half
13.11 mi11:30:141:26:176:354:34
6:42
-0:05
25K
15.53 mi11:46:451:42:486:3716:31
6:49
+0:07
30K
18.64 mi12:08:392:04:426:4121:54
7:03
+0:14
20M
20.00 mi12:18:252:14:286:439:46
7:11
+0:08
21M
21.00 mi12:25:532:21:566:467:28
7:28
+0:17
35K
21.75 mi12:30:572:27:006:465:04
6:46
-0:42
23M
23.00 mi12:39:472:35:506:478:50
7:03
+0:17
24M
24.00 mi12:46:442:42:476:476:57
6:57
-0:06
40K
24.85 mi12:52:482:48:516:486:04
7:06
+0:09
25.2M
25.20 mi12:55:222:51:256:482:34
7:27
+0:21
Finish
26.22 mi13:02:092:58:126:486:47
6:39
-0:48

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

6:27 /mi

Average Pace

6:48 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:20

85% of race

Time at Steady Pace

25:52

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:24:0020:036:2720:03
6:27
#3479
10K
6.21 mi10:44:2340:266:3020:23
6:34
#3826
15K
9.32 mi11:04:361:00:396:3020:13
6:30
#3744
20K
12.43 mi11:25:401:21:436:3521:04
6:47
#3985
Half
13.11 mi11:30:141:26:176:354:34
6:42
#4029
25K
15.53 mi11:46:451:42:486:3716:31
6:49
#4130
30K
18.64 mi12:08:392:04:426:4121:54
7:03
#4227
20M
20.00 mi12:18:252:14:286:439:46
7:11
#4290
21M
21.00 mi12:25:532:21:566:467:28
7:28
#4258
35K
21.75 mi12:30:572:27:006:465:04
6:46
#4236
23M
23.00 mi12:39:472:35:506:478:50
7:03
#4191
24M
24.00 mi12:46:442:42:476:476:57
6:57
#4161
40K
24.85 mi12:52:482:48:516:486:04
7:06
#4168
25.2M
25.20 mi12:55:222:51:256:482:34
7:27
#4147
Finish
26.22 mi13:02:092:58:126:486:47
6:39
#4090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3479330633063608(Top 13%)3408(Top 21%)3408(Top 60%)
10K6.21 mi3.10 mi3826-3473618-3123618-3124143(Top 15%)3896(Top 24%)3896(Top 69%)
15K9.32 mi3.11 mi3744+823538+803538+803608(Top 13%)3408(Top 21%)3408(Top 60%)
20K12.43 mi3.11 mi3985-2413752-2143752-2145091(Top 18%)4693(Top 29%)4693(Top 83%)
Half13.11 mi0.68 mi4029-443792-403792-405152(Top 18%)4747(Top 29%)4747(Top 84%)
25K15.53 mi2.42 mi4130-1013880-883880-884939(Top 17%)4533(Top 28%)4533(Top 80%)
30K18.64 mi3.11 mi4227-973957-773957-774983(Top 18%)4522(Top 28%)4522(Top 80%)
20M20.00 mi1.36 mi4290-634009-524009-525105(Top 18%)4554(Top 28%)4554(Top 81%)
21M21.00 mi1.00 mi4258+323965+443965+444420(Top 16%)3938(Top 24%)3938(Top 70%)
35K21.75 mi0.75 mi4236+223940+253940+253912(Top 14%)3512(Top 22%)3512(Top 62%)
23M23.00 mi1.25 mi4191+453893+473893+474057(Top 14%)3616(Top 22%)3616(Top 64%)
24M24.00 mi1.00 mi4161+303859+343859+344327(Top 15%)3779(Top 23%)3779(Top 67%)
40K24.85 mi0.85 mi4168-73850+93850+94413(Top 16%)3781(Top 23%)3781(Top 67%)
25.2M25.20 mi0.35 mi4147+213828+223828+223126(Top 11%)2767(Top 17%)2767(Top 49%)
Finish26.22 mi1.02 mi4090+573776+523776+523629(Top 13%)3155(Top 20%)3155(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3608

Males

3408

M18-39

3408

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4143

Males

3896

M18-39

3896

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3608

Males

3408

M18-39

3408

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5091

Males

4693

M18-39

4693

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5152

Males

4747

M18-39

4747

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4939

Males

4533

M18-39

4533

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4983

Males

4522

M18-39

4522

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5105

Males

4554

M18-39

4554

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4420

Males

3938

M18-39

3938

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3912

Males

3512

M18-39

3512

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4057

Males

3616

M18-39

3616

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4327

Males

3779

M18-39

3779

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4413

Males

3781

M18-39

3781

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3126

Males

2767

M18-39

2767

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3629

Males

3155

M18-39

3155

Passing Analysis

Category:
Athletes Passed
869
Passed By
1480
Net Change
-611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3479
5K → 10K27374-347#3479#3826
10K → 15K14866+82#3826#3744
15K → 20K42283-241#3744#3985
20K → Half347-44#3985#4029
Half → 25K60161-101#4029#4130
25K → 30K104201-97#4130#4227
30K → 20M57120-63#4227#4290
20M → 21M8048+32#4290#4258
21M → 35K5129+22#4258#4236
35K → 23M8742+45#4236#4191
23M → 24M6636+30#4191#4161
24M → 40K4047-7#4161#4168
40K → 25.2M287+21#4168#4147
25.2M → Finish7619+57#4147#4090
TOTALS8691480-611
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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