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BOSTON MARATHON 2025

Nigel Dexter

Bib: 5908•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
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
21:46
Rank: #7859
Start → 5K
21:46 | 7:00/mi
10K· 6.21 mi
44:03
Rank: #8561 (-702)
5K → 10K
22:17 | 7:10/mi
15K· 9.32 mi
1:06:54
Rank: #9139 (-578)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:30:06
Rank: #9412 (-273)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:35:09
Rank: #9473 (-61)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:53:08
Rank: #9422 (+51)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:17:17
Rank: #9398 (+24)
25K → 30K
24:09 | 7:46/mi
20M
2:27:57
Rank: #9358 (+40)
30K → 20M
10:40 | 7:51/mi
21M
2:36:17
Rank: #9327 (+31)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:41:51
Rank: #9256 (+71)
21M → 35K
5:34 | 7:26/mi
23M
2:51:32
Rank: #9124 (+132)
35K → 23M
9:41 | 7:44/mi
24M
2:58:56
Rank: #8990 (+134)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
3:05:19
Rank: #8851 (+139)
24M → 40K
6:23 | 7:28/mi
25.2M
3:07:56
Rank: #8725 (+126)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:14:46
Rank: #8471 (+254)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:09
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:39:37
Pace7:36 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2121:467:0021:46
7:00
-
10K
6.21 mi10:48:3844:037:0522:17
7:10
+0:10
15K
9.32 mi11:11:291:06:547:1122:51
7:21
+0:11
20K
12.43 mi11:34:411:30:067:1523:12
7:28
+0:07
Half
13.11 mi11:39:441:35:097:155:03
7:24
-0:04
25K
15.53 mi11:57:431:53:087:1717:59
7:25
+0:01
30K
18.64 mi12:21:522:17:177:2224:09
7:46
+0:21
20M
20.00 mi12:32:322:27:577:2410:40
7:51
+0:05
21M
21.00 mi12:40:522:36:177:278:20
8:20
+0:29
35K
21.75 mi12:46:262:41:517:275:34
7:26
-0:54
23M
23.00 mi12:56:072:51:327:279:41
7:44
+0:18
24M
24.00 mi13:03:312:58:567:277:24
7:24
-0:20
40K
24.85 mi13:09:543:05:197:276:23
7:28
+0:04
25.2M
25.20 mi13:12:313:07:567:272:37
7:35
+0:07
Finish
26.22 mi13:19:213:14:467:266:50
6:42
-0:53

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

7:26 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:53

26% of race

Time at Steady Pace

1:31:03

47% of race

Time at Slower Pace

52:50

27% of race

Average Pace: 7:26 /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 mi10:26:2121:467:0021:46
7:00
#7859
10K
6.21 mi10:48:3844:037:0522:17
7:10
#8561
15K
9.32 mi11:11:291:06:547:1122:51
7:21
#9139
20K
12.43 mi11:34:411:30:067:1523:12
7:28
#9412
Half
13.11 mi11:39:441:35:097:155:03
7:24
#9473
25K
15.53 mi11:57:431:53:087:1717:59
7:25
#9422
30K
18.64 mi12:21:522:17:177:2224:09
7:46
#9398
20M
20.00 mi12:32:322:27:577:2410:40
7:51
#9358
21M
21.00 mi12:40:522:36:177:278:20
8:20
#9327
35K
21.75 mi12:46:262:41:517:275:34
7:26
#9256
23M
23.00 mi12:56:072:51:327:279:41
7:44
#9124
24M
24.00 mi13:03:312:58:567:277:24
7:24
#8990
40K
24.85 mi13:09:543:05:197:276:23
7:28
#8851
25.2M
25.20 mi13:12:313:07:567:272:37
7:35
#8725
Finish
26.22 mi13:19:213:14:467:266:50
6:42
#8471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi78596907690710428(Top 37%)8310(Top 52%)8310(Top 147%)
10K6.21 mi3.10 mi8561-7027329-4227329-4229248(Top 33%)7742(Top 48%)7742(Top 137%)
15K9.32 mi3.11 mi9139-5787665-3367665-33610428(Top 37%)8310(Top 52%)8310(Top 147%)
20K12.43 mi3.11 mi9412-2737783-1187783-11810457(Top 37%)8233(Top 51%)8233(Top 146%)
Half13.11 mi0.68 mi9473-617814-317814-3110788(Top 38%)8413(Top 52%)8413(Top 149%)
25K15.53 mi2.42 mi9422+517754+607754+609277(Top 33%)7487(Top 46%)7487(Top 133%)
30K18.64 mi3.11 mi9398+247691+637691+639709(Top 34%)7532(Top 47%)7532(Top 133%)
20M20.00 mi1.36 mi9358+407634+577634+579345(Top 33%)7172(Top 45%)7172(Top 127%)
21M21.00 mi1.00 mi9327+317577+577577+579407(Top 33%)7043(Top 44%)7043(Top 125%)
35K21.75 mi0.75 mi9256+717513+647513+648187(Top 29%)6410(Top 40%)6410(Top 114%)
23M23.00 mi1.25 mi9124+1327404+1097404+1098092(Top 28%)6217(Top 39%)6217(Top 110%)
24M24.00 mi1.00 mi8990+1347298+1067298+1067044(Top 25%)5559(Top 35%)5559(Top 99%)
40K24.85 mi0.85 mi8851+1397178+1207178+1206600(Top 23%)5207(Top 32%)5207(Top 92%)
25.2M25.20 mi0.35 mi8725+1267087+917087+913871(Top 14%)3353(Top 21%)3353(Top 59%)
Finish26.22 mi1.02 mi8471+2546922+1656922+1653925(Top 14%)3390(Top 21%)3390(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10428

Males

8310

M18-39

8310

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9248

Males

7742

M18-39

7742

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10428

Males

8310

M18-39

8310

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10457

Males

8233

M18-39

8233

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10788

Males

8413

M18-39

8413

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9277

Males

7487

M18-39

7487

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9709

Males

7532

M18-39

7532

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9345

Males

7172

M18-39

7172

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9407

Males

7043

M18-39

7043

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8187

Males

6410

M18-39

6410

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8092

Males

6217

M18-39

6217

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7044

Males

5559

M18-39

5559

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6600

Males

5207

M18-39

5207

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3871

Males

3353

M18-39

3353

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3925

Males

3390

M18-39

3390

Passing Analysis

Category:
Athletes Passed
1776
Passed By
2388
Net Change
-612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7859
5K → 10K37739-702#7859#8561
10K → 15K40618-578#8561#9139
15K → 20K104377-273#9139#9412
20K → Half1273-61#9412#9473
Half → 25K175124+51#9473#9422
25K → 30K233209+24#9422#9398
30K → 20M12080+40#9398#9358
20M → 21M10473+31#9358#9327
21M → 35K9827+71#9327#9256
35K → 23M16836+132#9256#9124
23M → 24M14612+134#9124#8990
24M → 40K15516+139#8990#8851
40K → 25.2M1282+126#8851#8725
25.2M → Finish2562+254#8725#8471
TOTALS17762388-612
📊

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