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BOSTON MARATHON 2025

Stephen Newbould

Bib: 1761•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Masters (Masters Men)
#0 / 10463
Top 9%
Division (M45-49)
#0 / 2386
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #874
Start → 5K
5:56/mi
18:25 split
10K· 6.21 mi
37:25
Rank: #1140 (-266)
5K → 10K
6:07/mi
19:00 split
15K· 9.32 mi
57:12
Rank: #1565 (-425)
10K → 15K
6:22/mi
19:47 split
20K· 12.43 mi
1:18:01
Rank: #2140 (-575)
15K → 20K
6:42/mi
20:49 split
Half· 13.11 mi
1:22:29
Rank: #2223 (-83)
20K → Half
6:33/mi
4:28 split
25K· 15.53 mi
1:38:55
Rank: #2561 (-338)
Half → 25K
6:47/mi
16:26 split
30K· 18.64 mi
2:01:40
Rank: #3196 (-635)
25K → 30K
7:19/mi
22:45 split
20M
2:11:26
Rank: #3286 (-90)
30K → 20M
7:11/mi
9:46 split
21M
2:19:33
Rank: #3524 (-238)
20M → 21M
8:07/mi
8:07 split
35K· 21.75 mi
2:24:34
Rank: #3489 (+35)
21M → 35K
6:42/mi
5:01 split
23M
2:33:41
Rank: #3566 (-77)
35K → 23M
7:17/mi
9:07 split
24M
2:40:54
Rank: #3634 (-68)
23M → 24M
7:13/mi
7:13 split
40K· 24.85 mi
2:47:06
Rank: #3677 (-43)
24M → 40K
7:15/mi
6:12 split
25.2M
2:49:52
Rank: #3705 (-28)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
2:57:02
Rank: #3748 (-43)
25.2M → Finish
7:02/mi
7:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:29
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:34:33
Pace7:13 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4518:255:5618:25
5:56
-
10K
6.21 mi10:37:4537:256:0119:00
6:07
+0:11
15K
9.32 mi10:57:3257:126:0819:47
6:22
+0:15
20K
12.43 mi11:18:211:18:016:1720:49
6:42
+0:20
Half
13.11 mi11:22:491:22:296:184:28
6:33
-0:09
25K
15.53 mi11:39:151:38:556:2216:26
6:47
+0:14
30K
18.64 mi12:02:002:01:406:3222:45
7:19
+0:32
20M
20.00 mi12:11:462:11:266:349:46
7:11
-0:08
21M
21.00 mi12:19:532:19:336:398:07
8:07
+0:56
35K
21.75 mi12:24:542:24:346:395:01
6:42
-1:25
23M
23.00 mi12:34:012:33:416:419:07
7:17
+0:35
24M
24.00 mi12:41:142:40:546:427:13
7:13
-0:04
40K
24.85 mi12:47:262:47:066:436:12
7:15
+0:02
25.2M
25.20 mi12:50:122:49:526:442:46
8:01
+0:46
Finish
26.22 mi12:57:222:57:026:457:10
7:02
-0:59

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

5:56 /mi

Average Pace

6:45 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:30

49% of race

Time at Steady Pace

1:18:39

44% of race

Time at Slower Pace

10:53

6% of race

Average Pace: 6:45 /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 mi10:18:4518:255:5618:25
5:56
#874
10K
6.21 mi10:37:4537:256:0119:00
6:07
#1140
15K
9.32 mi10:57:3257:126:0819:47
6:22
#1565
20K
12.43 mi11:18:211:18:016:1720:49
6:42
#2140
Half
13.11 mi11:22:491:22:296:184:28
6:33
#2223
25K
15.53 mi11:39:151:38:556:2216:26
6:47
#2561
30K
18.64 mi12:02:002:01:406:3222:45
7:19
#3196
20M
20.00 mi12:11:462:11:266:349:46
7:11
#3286
21M
21.00 mi12:19:532:19:336:398:07
8:07
#3524
35K
21.75 mi12:24:542:24:346:395:01
6:42
#3489
23M
23.00 mi12:34:012:33:416:419:07
7:17
#3566
24M
24.00 mi12:41:142:40:546:427:13
7:13
#3634
40K
24.85 mi12:47:262:47:066:436:12
7:15
#3677
25.2M
25.20 mi12:50:122:49:526:442:46
8:01
#3705
Finish
26.22 mi12:57:222:57:026:457:10
7:02
#3748
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8748198192732(Top 10%)2602(Top 16%)2602(Top 109%)
10K6.21 mi3.10 mi1140-2661077-2581077-2581528(Top 5%)1451(Top 9%)1451(Top 61%)
15K9.32 mi3.11 mi1565-4251489-4121489-4122732(Top 10%)2602(Top 16%)2602(Top 109%)
20K12.43 mi3.11 mi2140-5752043-5542043-5544416(Top 16%)4120(Top 26%)4120(Top 173%)
Half13.11 mi0.68 mi2223-832123-802123-803958(Top 14%)3722(Top 23%)3722(Top 156%)
25K15.53 mi2.42 mi2561-3382445-3222445-3224676(Top 16%)4305(Top 27%)4305(Top 180%)
30K18.64 mi3.11 mi3196-6353036-5913036-5916560(Top 23%)5681(Top 35%)5681(Top 238%)
20M20.00 mi1.36 mi3286-903110-743110-745103(Top 18%)4552(Top 28%)4552(Top 191%)
21M21.00 mi1.00 mi3524-2383326-2163326-2168007(Top 28%)6242(Top 39%)6242(Top 262%)
35K21.75 mi0.75 mi3489+353293+333293+333505(Top 12%)3178(Top 20%)3178(Top 133%)
23M23.00 mi1.25 mi3566-773350-573350-575312(Top 19%)4523(Top 28%)4523(Top 190%)
24M24.00 mi1.00 mi3634-683404-543404-545886(Top 21%)4834(Top 30%)4834(Top 203%)
40K24.85 mi0.85 mi3677-433431-273431-275301(Top 19%)4402(Top 27%)4402(Top 184%)
25.2M25.20 mi0.35 mi3705-283455-243455-245955(Top 21%)4681(Top 29%)4681(Top 196%)
Finish26.22 mi1.02 mi3748-433481-263481-265898(Top 21%)4656(Top 29%)4656(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2732

Males

2602

M45-49

2602

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1528

Males

1451

M45-49

1451

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2732

Males

2602

M45-49

2602

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4416

Males

4120

M45-49

4120

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3958

Males

3722

M45-49

3722

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4676

Males

4305

M45-49

4305

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6560

Males

5681

M45-49

5681

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5103

Males

4552

M45-49

4552

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8007

Males

6242

M45-49

6242

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3505

Males

3178

M45-49

3178

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5312

Males

4523

M45-49

4523

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5886

Males

4834

M45-49

4834

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5301

Males

4402

M45-49

4402

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5955

Males

4681

M45-49

4681

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5898

Males

4656

M45-49

4656

Passing Analysis

Category:
Athletes Passed
308
Passed By
3182
Net Change
-2874
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#874
5K → 10K3269-266#874#1140
10K → 15K3428-425#1140#1565
15K → 20K10585-575#1565#2140
20K → Half184-83#2140#2223
Half → 25K13351-338#2223#2561
25K → 30K12647-635#2561#3196
30K → 20M37127-90#3196#3286
20M → 21M9247-238#3286#3524
21M → 35K5217+35#3524#3489
35K → 23M41118-77#3489#3566
23M → 24M36104-68#3566#3634
24M → 40K3174-43#3634#3677
40K → 25.2M1442-28#3677#3705
25.2M → Finish4689-43#3705#3748
TOTALS3083182-2874
📊

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